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authorbunnei <bunneidev@gmail.com>2014-07-24 01:16:40 +0200
committerbunnei <bunneidev@gmail.com>2014-07-24 01:16:40 +0200
commit77fc029a00c45ffe48cf4eacf4721e312b2248c0 (patch)
treec29766d5b8374fa7bbc38c1bbb67c3787e4b034a
parentMerge pull request #27 from neobrain/disassembly_view_rewrite (diff)
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Diffstat
-rw-r--r--src/core/arm/interpreter/arm_interpreter.cpp6
-rw-r--r--src/core/arm/interpreter/armdefs.h5
-rw-r--r--src/core/arm/interpreter/armemu.cpp9218
-rw-r--r--src/core/arm/interpreter/armemu.h29
-rw-r--r--src/core/arm/interpreter/arminit.cpp744
-rw-r--r--src/core/arm/interpreter/armsupp.cpp1220
6 files changed, 5303 insertions, 5919 deletions
diff --git a/src/core/arm/interpreter/arm_interpreter.cpp b/src/core/arm/interpreter/arm_interpreter.cpp
index 0e893f182..d35a3ae17 100644
--- a/src/core/arm/interpreter/arm_interpreter.cpp
+++ b/src/core/arm/interpreter/arm_interpreter.cpp
@@ -12,6 +12,8 @@ ARM_Interpreter::ARM_Interpreter() {
state = new ARMul_State;
ARMul_EmulateInit();
+ memset(state, 0, sizeof(ARMul_State));
+
ARMul_NewState(state);
state->abort_model = 0;
@@ -23,12 +25,14 @@ ARM_Interpreter::ARM_Interpreter() {
mmu_init(state);
// Reset the core to initial state
+ ARMul_CoProInit(state);
ARMul_Reset(state);
- state->NextInstr = 0;
+ state->NextInstr = RESUME;
state->Emulate = 3;
state->pc = state->Reg[15] = 0x00000000;
state->Reg[13] = 0x10000000; // Set stack pointer to the top of the stack
+ state->servaddr = 0xFFFF0000;
}
ARM_Interpreter::~ARM_Interpreter() {
diff --git a/src/core/arm/interpreter/armdefs.h b/src/core/arm/interpreter/armdefs.h
index 1ff560fe7..dd5983be3 100644
--- a/src/core/arm/interpreter/armdefs.h
+++ b/src/core/arm/interpreter/armdefs.h
@@ -278,6 +278,11 @@ struct ARMul_State
unsigned int NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */
unsigned long long NumInstrs; /* the number of instructions executed */
unsigned NumInstrsToExecute;
+
+ ARMword currentexaddr;
+ ARMword currentexval;
+ ARMword servaddr;
+
unsigned NextInstr;
unsigned VectorCatch; /* caught exception mask */
unsigned CallDebug; /* set to call the debugger */
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp
index f3c14e608..f9130ef88 100644
--- a/src/core/arm/interpreter/armemu.cpp
+++ b/src/core/arm/interpreter/armemu.cpp
@@ -1,29 +1,35 @@
/* armemu.c -- Main instruction emulation: ARM7 Instruction Emulator.
Copyright (C) 1994 Advanced RISC Machines Ltd.
Modifications to add arch. v4 support by <jsmith@cygnus.com>.
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#include "core/hle/hle.h"
+//#include <util.h> // DEBUG()
#include "arm_regformat.h"
#include "armdefs.h"
#include "armemu.h"
-#include "armos.h"
+#include "core/hle/hle.h"
-#define ARMul_Debug(x,y,z) 0 // Disabling this /bunnei
+//#include "svc.h"
+
+//ichfly
+//#define callstacker 1
+
+
+//#include "armos.h"
//#include "skyeye_callback.h"
//#include "skyeye_bus.h"
@@ -59,6 +65,7 @@ static unsigned Multiply64 (ARMul_State *, ARMword, int, int);
static unsigned MultiplyAdd64 (ARMul_State *, ARMword, int, int);
static void Handle_Load_Double (ARMul_State *, ARMword);
static void Handle_Store_Double (ARMul_State *, ARMword);
+
void
XScale_set_fsr_far (ARMul_State * state, ARMword fsr, ARMword _far);
int
@@ -69,10 +76,10 @@ unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg,
static int
handle_v6_insn (ARMul_State * state, ARMword instr);
-#define LUNSIGNED (0) /* unsigned operation */
-#define LSIGNED (1) /* signed operation */
-#define LDEFAULT (0) /* default : do nothing */
-#define LSCC (1) /* set condition codes on result */
+#define LUNSIGNED (0) /* unsigned operation */
+#define LSIGNED (1) /* signed operation */
+#define LDEFAULT (0) /* default : do nothing */
+#define LSCC (1) /* set condition codes on result */
#ifdef NEED_UI_LOOP_HOOK
/* How often to run the ui_loop update, when in use. */
@@ -122,175 +129,175 @@ extern int (*ui_loop_hook) (int);
/* Load post decrement writeback. */
#define LHPOSTDOWN() \
{ \
- int done = 1; \
- lhs = LHS; \
- temp = lhs - GetLS7RHS (state, instr); \
- \
- switch (BITS (5, 6)) \
- { \
+ int done = 1; \
+ lhs = LHS; \
+ temp = lhs - GetLS7RHS (state, instr); \
+ \
+ switch (BITS (5, 6)) \
+ { \
case 1: /* H */ \
if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 2: /* SB */ \
if (LoadByte (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 3: /* SH */ \
if (LoadHalfWord (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 0: /* SWP handled elsewhere. */ \
default: \
- done = 0; \
- break; \
+ done = 0; \
+ break; \
} \
if (done) \
- break; \
+ break; \
}
/* Load post increment writeback. */
#define LHPOSTUP() \
{ \
- int done = 1; \
- lhs = LHS; \
- temp = lhs + GetLS7RHS (state, instr); \
- \
- switch (BITS (5, 6)) \
- { \
+ int done = 1; \
+ lhs = LHS; \
+ temp = lhs + GetLS7RHS (state, instr); \
+ \
+ switch (BITS (5, 6)) \
+ { \
case 1: /* H */ \
if (LoadHalfWord (state, instr, lhs, LUNSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 2: /* SB */ \
if (LoadByte (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 3: /* SH */ \
if (LoadHalfWord (state, instr, lhs, LSIGNED)) \
- LSBase = temp; \
- break; \
+ LSBase = temp; \
+ break; \
case 0: /* SWP handled elsewhere. */ \
default: \
- done = 0; \
- break; \
+ done = 0; \
+ break; \
} \
if (done) \
- break; \
+ break; \
}
/* Load pre decrement. */
-#define LHPREDOWN() \
-{ \
- int done = 1; \
- \
- temp = LHS - GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
- break; \
- case 2: /* SB */ \
- (void) LoadByte (state, instr, temp, LSIGNED); \
- break; \
- case 3: /* SH */ \
- (void) LoadHalfWord (state, instr, temp, LSIGNED); \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
+#define LHPREDOWN() \
+{ \
+ int done = 1; \
+ \
+ temp = LHS - GetLS7RHS (state, instr); \
+ switch (BITS (5, 6)) \
+ { \
+ case 1: /* H */ \
+ (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
+ break; \
+ case 2: /* SB */ \
+ (void) LoadByte (state, instr, temp, LSIGNED); \
+ break; \
+ case 3: /* SH */ \
+ (void) LoadHalfWord (state, instr, temp, LSIGNED); \
+ break; \
+ case 0: \
+ /* SWP handled elsewhere. */ \
+ default: \
+ done = 0; \
+ break; \
+ } \
+ if (done) \
+ break; \
}
/* Load pre decrement writeback. */
-#define LHPREDOWNWB() \
-{ \
- int done = 1; \
- \
- temp = LHS - GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
+#define LHPREDOWNWB() \
+{ \
+ int done = 1; \
+ \
+ temp = LHS - GetLS7RHS (state, instr); \
+ switch (BITS (5, 6)) \
+ { \
+ case 1: /* H */ \
+ if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 2: /* SB */ \
+ if (LoadByte (state, instr, temp, LSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 3: /* SH */ \
+ if (LoadHalfWord (state, instr, temp, LSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 0: \
+ /* SWP handled elsewhere. */ \
+ default: \
+ done = 0; \
+ break; \
+ } \
+ if (done) \
+ break; \
}
/* Load pre increment. */
-#define LHPREUP() \
-{ \
- int done = 1; \
- \
- temp = LHS + GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
- break; \
- case 2: /* SB */ \
- (void) LoadByte (state, instr, temp, LSIGNED); \
- break; \
- case 3: /* SH */ \
- (void) LoadHalfWord (state, instr, temp, LSIGNED); \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
+#define LHPREUP() \
+{ \
+ int done = 1; \
+ \
+ temp = LHS + GetLS7RHS (state, instr); \
+ switch (BITS (5, 6)) \
+ { \
+ case 1: /* H */ \
+ (void) LoadHalfWord (state, instr, temp, LUNSIGNED); \
+ break; \
+ case 2: /* SB */ \
+ (void) LoadByte (state, instr, temp, LSIGNED); \
+ break; \
+ case 3: /* SH */ \
+ (void) LoadHalfWord (state, instr, temp, LSIGNED); \
+ break; \
+ case 0: \
+ /* SWP handled elsewhere. */ \
+ default: \
+ done = 0; \
+ break; \
+ } \
+ if (done) \
+ break; \
}
/* Load pre increment writeback. */
-#define LHPREUPWB() \
-{ \
- int done = 1; \
- \
- temp = LHS + GetLS7RHS (state, instr); \
- switch (BITS (5, 6)) \
- { \
- case 1: /* H */ \
- if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
- LSBase = temp; \
- break; \
- case 2: /* SB */ \
- if (LoadByte (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 3: /* SH */ \
- if (LoadHalfWord (state, instr, temp, LSIGNED)) \
- LSBase = temp; \
- break; \
- case 0: \
- /* SWP handled elsewhere. */ \
- default: \
- done = 0; \
- break; \
- } \
- if (done) \
- break; \
+#define LHPREUPWB() \
+{ \
+ int done = 1; \
+ \
+ temp = LHS + GetLS7RHS (state, instr); \
+ switch (BITS (5, 6)) \
+ { \
+ case 1: /* H */ \
+ if (LoadHalfWord (state, instr, temp, LUNSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 2: /* SB */ \
+ if (LoadByte (state, instr, temp, LSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 3: /* SH */ \
+ if (LoadHalfWord (state, instr, temp, LSIGNED)) \
+ LSBase = temp; \
+ break; \
+ case 0: \
+ /* SWP handled elsewhere. */ \
+ default: \
+ done = 0; \
+ break; \
+ } \
+ if (done) \
+ break; \
}
/*ywc 2005-03-31*/
@@ -306,60 +313,62 @@ unsigned int mirror_register_file[39];
/* EMULATION of ARM6. */
-/* The PC pipeline value depends on whether ARM
- or Thumb instructions are being executed. */
-ARMword isize;
-
extern int debugmode;
int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr);
#ifdef MODE32
//chy 2006-04-12, for ICE debug
int ARMul_ICE_debug(ARMul_State *state,ARMword instr,ARMword addr)
{
- int i;
-#if 0
- if (debugmode) {
- if (instr == ARMul_ABORTWORD) return 0;
- for (i = 0; i < skyeye_ice.num_bps; i++) {
- if (skyeye_ice.bps[i] == addr) {
- //for test
- //printf("SKYEYE: ICE_debug bps [%d]== 0x%x\n", i,addr);
- state->EndCondition = 0;
- state->Emulate = STOP;
- return 1;
- }
- }
- if (skyeye_ice.tps_status==TRACE_STARTED)
+ return 0;
+}
+
+static int dump = 0;
+ARMword ARMul_Debug(ARMul_State * state, ARMword pc, ARMword instr)
+{
+ /*printf("[%08x] ", pc);
+ arm11_Disasm32(pc);*/
+
+ /*if (pc >= 0x0010303C && pc <= 0x00103050)
{
- for (i = 0; i < skyeye_ice.num_tps; i++)
- {
- if (((skyeye_ice.tps[i].tp_address==addr)&&(skyeye_ice.tps[i].status==TRACEPOINT_ENABLED))||(skyeye_ice.tps[i].status==TRACEPOINT_STEPPING))
- {
- handle_tracepoint(i);
- }
- }
+ printf("[%08x] = %08X = ", pc, instr);
+ arm11_Disasm32(pc);
+ arm11_Dump();
+ }*/
+
+ //fprintf(stderr,"[%08x]\n", pc);
+
+ //if (pc == 0x00240C88)
+ // arm11_Dump();
+
+ /*if (pc == 0x188e04)
+ {
+ DEBUG("read %08X %08X %016X %08X %08X from %08X", state->Reg[0], state->Reg[1], state->Reg[2] | state->Reg[3] << 32, mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] + 4), state->Reg[14]);
}
- }
- /* do profiling for code coverage */
- if (skyeye_config.code_cov.prof_on)
- cov_prof(EXEC_FLAG, addr);
-#endif
- /* chech if we need to run some callback functions at this time */
- //generic_arch_t* arch_instance = get_arch_instance("");
- //exec_callback(Step_callback, arch_instance);
- //if (!SIM_is_running()) {
- // if (instr == ARMul_ABORTWORD) return 0;
- // state->EndCondition = 0;
- // state->Emulate = STOP;
- // return 1;
- //}
+ if (pc == 0x21222c)
+ {
+ arm11_Dump();
+ mem_Dbugdump();
+ }*/
+
+
+ /*if (pc == 0x0022D168)
+ {
+ int j = 0;
+ }*/
+
+ /*if (state->Reg[4] == 0x00105734)
+ {
+ printf("[%08x] ", pc);
+ arm11_Disasm32(pc);
+ }*/
+
return 0;
}
/*
void chy_debug()
{
- printf("SkyEye chy_deubeg begin\n");
+ printf("SkyEye chy_deubeg begin\n");
}
*/
ARMword
@@ -369,25 +378,32 @@ ARMword
ARMul_Emulate26 (ARMul_State * state)
#endif
{
- ARMword instr; /* The current instruction. */
- ARMword dest = 0; /* Almost the DestBus. */
- ARMword temp; /* Ubiquitous third hand. */
- ARMword pc = 0; /* The address of the current instruction. */
- ARMword lhs; /* Almost the ABus and BBus. */
+ /* The PC pipeline value depends on whether ARM
+ or Thumb instructions are being
+ d. */
+ ARMword isize;
+ ARMword instr; /* The current instruction. */
+ ARMword dest = 0; /* Almost the DestBus. */
+ ARMword temp; /* Ubiquitous third hand. */
+ ARMword pc = 0; /* The address of the current instruction. */
+ ARMword lhs; /* Almost the ABus and BBus. */
ARMword rhs;
- ARMword decoded = 0; /* Instruction pipeline. */
+ ARMword decoded = 0; /* Instruction pipeline. */
ARMword loaded = 0;
ARMword decoded_addr=0;
ARMword loaded_addr=0;
ARMword have_bp=0;
+#ifdef callstacker
+ char a[256];
+#endif
/* shenoubang */
static int instr_sum = 0;
int reg_index = 0;
#if DIFF_STATE
//initialize all mirror register for follow mode
for (reg_index = 0; reg_index < 16; reg_index ++) {
- mirror_register_file[reg_index] = state->Reg[reg_index];
+ mirror_register_file[reg_index] = state->Reg[reg_index];
}
mirror_register_file[CPSR_REG] = state->Cpsr;
mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
@@ -422,10 +438,10 @@ ARMul_Emulate26 (ARMul_State * state)
}
do {
- //print_func_name(state->pc);
+ //print_func_name(state->pc);
/* Just keep going. */
isize = INSN_SIZE;
-
+
switch (state->NextInstr) {
case SEQ:
/* Advance the pipeline, and an S cycle. */
@@ -437,7 +453,7 @@ ARMul_Emulate26 (ARMul_State * state)
decoded = loaded;
decoded_addr=loaded_addr;
//loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
- // isize);
+ // isize);
loaded_addr=pc + (isize * 2);
if (have_bp) goto TEST_EMULATE;
break;
@@ -452,7 +468,7 @@ ARMul_Emulate26 (ARMul_State * state)
decoded = loaded;
decoded_addr=loaded_addr;
//loaded = ARMul_LoadInstrN (state, pc + (isize * 2),
- // isize);
+ // isize);
loaded_addr=pc + (isize * 2);
NORMALCYCLE;
if (have_bp) goto TEST_EMULATE;
@@ -467,7 +483,7 @@ ARMul_Emulate26 (ARMul_State * state)
decoded = loaded;
decoded_addr=loaded_addr;
//loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
- // isize);
+ // isize);
loaded_addr=pc + (isize * 2);
NORMALCYCLE;
if (have_bp) goto TEST_EMULATE;
@@ -482,7 +498,7 @@ ARMul_Emulate26 (ARMul_State * state)
decoded = loaded;
decoded_addr=loaded_addr;
//loaded = ARMul_LoadInstrN (state, pc + (isize * 2),
- // isize);
+ // isize);
loaded_addr=pc + (isize * 2);
NORMALCYCLE;
if (have_bp) goto TEST_EMULATE;
@@ -504,10 +520,10 @@ ARMul_Emulate26 (ARMul_State * state)
//chy 2006-04-12, for ICE debug
have_bp=ARMul_ICE_debug(state,instr,pc);
//decoded =
- // ARMul_ReLoadInstr (state, pc + isize, isize);
+ // ARMul_ReLoadInstr (state, pc + isize, isize);
decoded_addr=pc+isize;
//loaded = ARMul_ReLoadInstr (state, pc + isize * 2,
- // isize);
+ // isize);
loaded_addr=pc + isize * 2;
NORMALCYCLE;
if (have_bp) goto TEST_EMULATE;
@@ -527,15 +543,15 @@ ARMul_Emulate26 (ARMul_State * state)
instr = ARMul_LoadInstrN (state, pc, isize);
//chy 2006-04-12, for ICE debug
have_bp=ARMul_ICE_debug(state,instr,pc);
- #if 0
+#if 0
decoded =
ARMul_LoadInstrS (state, pc + (isize), isize);
- #endif
+#endif
decoded_addr=pc+isize;
- #if 0
+#if 0
loaded = ARMul_LoadInstrS (state, pc + (isize * 2),
- isize);
- #endif
+ isize);
+#endif
loaded_addr=pc + isize * 2;
NORMALCYCLE;
if (have_bp) goto TEST_EMULATE;
@@ -544,164 +560,161 @@ ARMul_Emulate26 (ARMul_State * state)
#if 0
int idx = 0;
printf("pc:%x\n", pc);
- for (;idx < 17; idx ++) {
- printf("R%d:%x\t", idx, state->Reg[idx]);
+ for (; idx < 17; idx ++) {
+ printf("R%d:%x\t", idx, state->Reg[idx]);
}
printf("\n");
#endif
- instr = ARMul_LoadInstrN (state, pc, isize);
- state->last_instr = state->CurrInstr;
- state->CurrInstr = instr;
+ instr = ARMul_LoadInstrN (state, pc, isize);
+ state->last_instr = state->CurrInstr;
+ state->CurrInstr = instr;
+ ARMul_Debug(state, pc, instr);
#if 0
- if((state->NumInstrs % 10000000) == 0)
- printf("---|%p|--- %lld\n", pc, state->NumInstrs);
- if(state->NumInstrs > (3000000000)){
- static int flag = 0;
- if(pc == 0x8032ccc4){
- flag = 300;
- }
- if(flag){
- int idx = 0;
- printf("------------------------------------\n");
+ if((state->NumInstrs % 10000000) == 0)
+ printf("---|%p|--- %lld\n", pc, state->NumInstrs);
+ if(state->NumInstrs > (3000000000)) {
+ static int flag = 0;
+ if(pc == 0x8032ccc4) {
+ flag = 300;
+ }
+ if(flag) {
+ int idx = 0;
+ printf("------------------------------------\n");
printf("pc:%x\n", pc);
- for (;idx < 17; idx ++) {
- printf("R%d:%x\t", idx, state->Reg[idx]);
+ for (; idx < 17; idx ++) {
+ printf("R%d:%x\t", idx, state->Reg[idx]);
}
- printf("\nN:%d\t Z:%d\t C:%d\t V:%d\n", state->NFlag, state->ZFlag, state->CFlag, state->VFlag);
+ printf("\nN:%d\t Z:%d\t C:%d\t V:%d\n", state->NFlag, state->ZFlag, state->CFlag, state->VFlag);
printf("\n");
- printf("------------------------------------\n");
- flag--;
+ printf("------------------------------------\n");
+ flag--;
+ }
}
- }
-#endif
+#endif
#if DIFF_STATE
- fprintf(state->state_log, "PC:0x%x\n", pc);
- if (pc && (pc + 8) != state->Reg[15]) {
- printf("lucky dog\n");
- printf("pc is %x, R15 is %x\n", pc, state->Reg[15]);
- //exit(-1);
- }
- for (reg_index = 0; reg_index < 16; reg_index ++) {
- if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
- fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
- mirror_register_file[reg_index] = state->Reg[reg_index];
- }
- }
- if (state->Cpsr != mirror_register_file[CPSR_REG]) {
- fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
- mirror_register_file[CPSR_REG] = state->Cpsr;
- }
- if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
- fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
- mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
- }
- if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
- fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
- mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
- }
- if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
- fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
- mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
- }
- if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
- fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
- mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
- }
- if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
- fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
- mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
- }
- if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
- fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
- mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
- }
- if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
- fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
- mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
- }
- if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
- fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
- mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
- }
- if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
- fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
- mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
- }
- if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
- fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
- mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
- }
- if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
- fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
- mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
- }
- if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
- fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
- mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
- }
- if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
- fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
- mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
- }
- if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
- fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
- mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
- }
- if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
- fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
- mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
- }
- if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
- fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
- mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
- }
- if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
- fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
- mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
- }
- if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
- fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
- mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
- }
- if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
- fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
- mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
- }
- if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
- fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
- mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
- }
+ fprintf(state->state_log, "PC:0x%x\n", pc);
+ if (pc && (pc + 8) != state->Reg[15]) {
+ printf("lucky dog\n");
+ printf("pc is %x, R15 is %x\n", pc, state->Reg[15]);
+ //exit(-1);
+ }
+ for (reg_index = 0; reg_index < 16; reg_index ++) {
+ if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
+ fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
+ mirror_register_file[reg_index] = state->Reg[reg_index];
+ }
+ }
+ if (state->Cpsr != mirror_register_file[CPSR_REG]) {
+ fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
+ mirror_register_file[CPSR_REG] = state->Cpsr;
+ }
+ if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
+ fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
+ mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
+ }
+ if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
+ fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
+ mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
+ }
+ if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
+ fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
+ mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
+ }
+ if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
+ fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
+ mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
+ }
+ if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
+ fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
+ mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
+ }
+ if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
+ fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
+ mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
+ }
+ if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
+ fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
+ mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
+ }
+ if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
+ fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
+ mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
+ }
+ if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
+ fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
+ mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
+ }
+ if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
+ fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
+ mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
+ }
+ if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
+ fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
+ mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
+ }
+ if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
+ fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
+ mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
+ }
+ if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
+ fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
+ mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
+ }
+ if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
+ fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
+ mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
+ }
+ if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
+ fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
+ mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
+ }
+ if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
+ fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
+ mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
+ }
+ if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
+ fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
+ mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
+ }
+ if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
+ fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
+ mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
+ }
+ if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
+ fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
+ mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
+ }
+ if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
+ fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
+ mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
+ }
#endif
#if 0
uint32_t alex = 0;
static int flagged = 0;
- if ((flagged == 0) && (pc == 0xb224))
- {
+ if ((flagged == 0) && (pc == 0xb224)) {
flagged++;
}
- if ((flagged == 1) && (pc == 0x1a800))
- {
+ if ((flagged == 1) && (pc == 0x1a800)) {
flagged++;
}
if (flagged == 3) {
printf("---|%p|--- %x\n", pc, state->NumInstrs);
- for (alex = 0; alex < 15; alex++)
- {
+ for (alex = 0; alex < 15; alex++) {
printf("R%02d % 8x\n", alex, state->Reg[alex]);
}
printf("R%02d % 8x\n", alex, state->Reg[alex] - 8);
printf("CPS %x%07x\n", (state->NFlag<<3 | state->ZFlag<<2 | state->CFlag<<1 | state->VFlag), state->Cpsr & 0xfffffff);
} else {
- if (state->NumInstrs < 0x400000)
- {
+ if (state->NumInstrs < 0x400000) {
//exit(-1);
}
}
#endif
- if (state->EventSet)
- ARMul_EnvokeEvent (state);
+ /*if (state->EventSet)
+ ARMul_EnvokeEvent (state);*/
#if 0
/* do profiling for code coverage */
@@ -712,7 +725,7 @@ ARMul_Emulate26 (ARMul_State * state)
#if 0
if (skyeye_config.log.logon >= 1) {
if (state->NumInstrs >= skyeye_config.log.start &&
- state->NumInstrs <= skyeye_config.log.end) {
+ state->NumInstrs <= skyeye_config.log.end) {
static int mybegin = 0;
static int myinstrnum = 0;
if (mybegin == 0)
@@ -736,16 +749,16 @@ ARMul_Emulate26 (ARMul_State * state)
printf ("***********SKYEYE: numinstr = 67347000, begin log\n");
mybegin = 1;
}
- if (pc == 0xc00087b4) { //numinstr=67348714
+ if (pc == 0xc00087b4) { //numinstr=67348714
mybegin = 1;
printf ("************SKYEYE: test irq now numinstr is %llu ****************\n", state->NumInstrs);
}
- if (pc == 0xc00087b8) { //in start_kernel::sti()
+ if (pc == 0xc00087b8) { //in start_kernel::sti()
mybeg4 = 1;
printf ("************SKYEYE: startkerenl: sti now numinstr is %llu ********\n", state->NumInstrs);
}
/*if (pc==0xc001e4f4||pc==0xc001e4f8||pc==0xc001e4fc||pc==0xc001e500||pc==0xffff0004) { //MRA instr */
- if (pc == 0xc001e500) { //MRA instr
+ if (pc == 0xc001e500) { //MRA instr
mybeg5 = 1;
printf ("************SKYEYE: MRA instr now numinstr is %llu ********\n", state->NumInstrs);
}
@@ -755,7 +768,7 @@ ARMul_Emulate26 (ARMul_State * state)
SKYEYE_OUTREGS (stderr);
printf ("************************************************************************\n");
}
- //chy 2003-09-01 test after tlb-flush
+ //chy 2003-09-01 test after tlb-flush
if (pc == 0xc00261ac) {
//sleep(2);
mybeg3 = 1;
@@ -779,29 +792,29 @@ ARMul_Emulate26 (ARMul_State * state)
}
*/
if (skyeye_config.log.logon >= 1)
- /*
- fprintf (skyeye_logfd,
- "N %llx :p %x,i %x,",
- state->NumInstrs, pc,
-#ifdef MODET
- TFLAG ? instr & 0xffff : instr
-#else
- instr
-#endif
- );
- */
+ /*
+ fprintf (skyeye_logfd,
+ "N %llx :p %x,i %x,",
+ state->NumInstrs, pc,
+ #ifdef MODET
+ TFLAG ? instr & 0xffff : instr
+ #else
+ instr
+ #endif
+ );
+ */
fprintf(skyeye_logfd, "pc=0x%x,r3=0x%x\n", pc, state->Reg[3]);
if (skyeye_config.log.logon >= 2)
SKYEYE_OUTREGS (skyeye_logfd);
if (skyeye_config.log.logon >= 3)
SKYEYE_OUTMOREREGS
- (skyeye_logfd);
+ (skyeye_logfd);
//fprintf (skyeye_logfd, "\n");
if (skyeye_config.log.length > 0) {
myinstrnum++;
if (myinstrnum >=
- skyeye_config.log.
- length) {
+ skyeye_config.log.
+ length) {
myinstrnum = 0;
fflush (skyeye_logfd);
fseek (skyeye_logfd,
@@ -814,21 +827,21 @@ ARMul_Emulate26 (ARMul_State * state)
}
}
#endif
-#if 0 /* Enable this for a helpful bit of debugging when tracing is needed. */
+#if 0 /* Enable this for a helpful bit of debugging when tracing is needed. */
fprintf (stderr, "pc: %x, instr: %x\n", pc & ~1, instr);
if (instr == 0)
abort ();
#endif
-#if 0 /* Enable this code to help track down stack alignment bugs. */
+#if 0 /* Enable this code to help track down stack alignment bugs. */
{
static ARMword old_sp = -1;
if (old_sp != state->Reg[13]) {
old_sp = state->Reg[13];
fprintf (stderr,
- "pc: %08x: SP set to %08x%s\n",
- pc & ~1, old_sp,
- (old_sp % 8) ? " [UNALIGNED!]" : "");
+ "pc: %08x: SP set to %08x%s\n",
+ pc & ~1, old_sp,
+ (old_sp % 8) ? " [UNALIGNED!]" : "");
}
}
#endif
@@ -840,15 +853,13 @@ ARMul_Emulate26 (ARMul_State * state)
//chy 2005-07-28 for standalone
//ARMul_do_energy(state,instr,pc);
break;
- }
- else if (!state->NfiqSig && !FFLAG) {
+ } else if (!state->NfiqSig && !FFLAG) {
ARMul_Abort (state, ARMul_FIQV);
/*added energy_prof statement by ksh in 2004-11-26 */
//chy 2005-07-28 for standalone
//ARMul_do_energy(state,instr,pc);
break;
- }
- else if (!state->NirqSig && !IFLAG) {
+ } else if (!state->NirqSig && !IFLAG) {
ARMul_Abort (state, ARMul_IRQV);
/*added energy_prof statement by ksh in 2004-11-26 */
//chy 2005-07-28 for standalone
@@ -860,11 +871,11 @@ ARMul_Emulate26 (ARMul_State * state)
#if 0
// if (state->pc == 0xc011a868 || state->pc == 0xc011a86c) {
if (state->NumInstrs == 1671574 || state->NumInstrs == 1671573 || state->NumInstrs == 1671572
- || state->NumInstrs == 1671575) {
- for (reg_index = 0; reg_index < 16; reg_index ++) {
- printf("R%d:%x\t", reg_index, state->Reg[reg_index]);
- }
- printf("\n");
+ || state->NumInstrs == 1671575) {
+ for (reg_index = 0; reg_index < 16; reg_index ++) {
+ printf("R%d:%x\t", reg_index, state->Reg[reg_index]);
+ }
+ printf("\n");
}
#endif
if (state->tea_pc) {
@@ -874,14 +885,13 @@ ARMul_Emulate26 (ARMul_State * state)
fprintf (state->tea_reg_fd, "\n");
for (i = 0; i < 15; i++) {
fprintf (state->tea_reg_fd, "%x,",
- state->Reg[i]);
+ state->Reg[i]);
}
fprintf (state->tea_reg_fd, "%x,", pc);
state->Cpsr = ARMul_GetCPSR (state);
fprintf (state->tea_reg_fd, "%x\n",
- state->Cpsr);
- }
- else {
+ state->Cpsr);
+ } else {
printf ("\n");
for (i = 0; i < 15; i++) {
printf ("%x,", state->Reg[i]);
@@ -893,30 +903,31 @@ ARMul_Emulate26 (ARMul_State * state)
}
//AJ2D--------------------------------------------------------------------------
- if (state->CallDebug > 0) {
- instr = ARMul_Debug (state, pc, instr);
- if (state->Emulate < ONCE) {
- state->NextInstr = RESUME;
- break;
- }
- if (state->Debug) {
- fprintf (stderr,
- "sim: At %08lx Instr %08lx Mode %02lx\n",
- pc, instr, state->Mode);
- (void) fgetc (stdin);
- }
+ /*if (state->CallDebug > 0) {
+ instr = ARMul_Debug (state, pc, instr);
+ if (state->Emulate < ONCE) {
+ state->NextInstr = RESUME;
+ break;
+ }
+ if (state->Debug) {
+ fprintf (stderr,
+ "sim: At %08lx Instr %08lx Mode %02lx\n",
+ pc, instr, state->Mode);
+ (void) fgetc (stdin);
+ }
}
- else if (state->Emulate < ONCE) {
+ else*/
+ if (state->Emulate < ONCE) {
state->NextInstr = RESUME;
break;
}
//io_do_cycle (state);
state->NumInstrs++;
- #if 0
+#if 0
if (state->NumInstrs % 10000000 == 0) {
- printf("10 MIPS instr have been executed\n");
+ printf("10 MIPS instr have been executed\n");
}
- #endif
+#endif
#ifdef MODET
/* Provide Thumb instruction decoding. If the processor is in Thumb
@@ -927,23 +938,31 @@ ARMul_Emulate26 (ARMul_State * state)
pipelined PC value is used when executing Thumb code, and also for
dealing with the BL instruction. */
if (TFLAG) {
- ARMword new_instr;
-
+ ARMword armOp = 0;
/* Check if in Thumb mode. */
- switch (ARMul_ThumbDecode(state, pc, instr, &new_instr)) {
+ switch (ARMul_ThumbDecode(state, pc, instr, &armOp)) {
case t_undefined:
/* This is a Thumb instruction. */
ARMul_UndefInstr (state, instr);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ goto donext;
case t_branch:
/* Already processed. */
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ //pc = state->Reg[15] - 2;
+ //state->pc = state->Reg[15] - 2; //ichfly why do I need that
+ goto donext;
case t_decoded:
/* ARM instruction available. */
- //printf("t decode %04lx -> %08lx\n", instr & 0xffff, new);
- instr = new_instr;
+ //printf("t decode %04lx -> %08lx\n", instr & 0xffff, armOp);
+
+ if (armOp == 0xDEADC0DE)
+ {
+ DEBUG("Failed to decode thumb opcode %04X at %08X\n", instr, pc);
+ }
+
+ instr = armOp;
+
/* So continue instruction decoding. */
break;
default:
@@ -969,11 +988,11 @@ ARMul_Emulate26 (ARMul_State * state)
if (state->is_v7) {
if ((instr & 0x0fffff00) == 0x057ff000) {
switch((instr >> 4) & 0xf) {
- case 4: /* dsb */
- case 5: /* dmb */
- case 6: /* isb */
- // TODO: do no implemented thes instr
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ case 4: /* dsb */
+ case 5: /* dmb */
+ case 6: /* isb */
+ // TODO: do no implemented thes instr
+ goto donext;
}
}
}
@@ -982,17 +1001,16 @@ ARMul_Emulate26 (ARMul_State * state)
/* clrex do nothing here temporary */
if (instr == 0xf57ff01f) {
//printf("clrex \n");
- ERROR_LOG(ARM11, "Instr = 0x%x, pc = 0x%x, clrex instr!!\n", instr, pc);
#if 0
int i;
- for(i = 0; i < 128; i++){
+ for(i = 0; i < 128; i++) {
state->exclusive_tag_array[i] = 0xffffffff;
}
#endif
/* shenoubang 2012-3-14 refer the dyncom_interpreter */
state->exclusive_tag_array[0] = 0xFFFFFFFF;
state->exclusive_access_state = 0;
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ goto donext;
}
if (BITS(20, 27) == 0x10) {
@@ -1022,18 +1040,15 @@ ARMul_Emulate26 (ARMul_State * state)
state->Cpsr |= BITS(0, 4);
printf("skyeye test state->Mode\n");
if (state->Mode != (state->Cpsr & MODEBITS)) {
- state->Mode =
- ARMul_SwitchMode (state, state->Mode,
- state->Cpsr & MODEBITS);
-
+ state->Mode = ARMul_SwitchMode (state, state->Mode, state->Cpsr & MODEBITS);
state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
}
}
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ goto donext;
}
}
if (state->is_v5) {
- if (BITS (25, 27) == 5) { /* BLX(1) */
+ if (BITS (25, 27) == 5) { /* BLX(1) */
ARMword dest;
state->Reg[14] = pc + 4;
@@ -1042,25 +1057,22 @@ ARMul_Emulate26 (ARMul_State * state)
dest = pc + 8 + 1;
if (BIT (23))
dest += (NEGBRANCH +
- (BIT (24) << 1));
+ (BIT (24) << 1));
else
dest += POSBRANCH +
- (BIT (24) << 1);
+ (BIT (24) << 1);
WriteR15Branch (state, dest);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- else if ((instr & 0xFC70F000) == 0xF450F000) {
+ goto donext;
+ } else if ((instr & 0xFC70F000) == 0xF450F000) {
/* The PLD instruction. Ignored. */
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- else if (((instr & 0xfe500f00) == 0xfc100100)
- || ((instr & 0xfe500f00) ==
- 0xfc000100)) {
+ goto donext;
+ } else if (((instr & 0xfe500f00) == 0xfc100100)
+ || ((instr & 0xfe500f00) ==
+ 0xfc000100)) {
/* wldrw and wstrw are unconditional. */
goto mainswitch;
- }
- else {
+ } else {
/* UNDEFINED in v5, UNPREDICTABLE in v3, v4, non executed in v1, v2. */
ARMul_UndefInstr (state, instr);
}
@@ -1105,206 +1117,20 @@ ARMul_Emulate26 (ARMul_State * state)
break;
case GT:
temp = ((!NFLAG && !VFLAG && !ZFLAG)
- || (NFLAG && VFLAG && !ZFLAG));
+ || (NFLAG && VFLAG && !ZFLAG));
break;
case LE:
temp = ((NFLAG && !VFLAG) || (!NFLAG && VFLAG))
- || ZFLAG;
+ || ZFLAG;
break;
- } /* cc check */
+ } /* cc check */
//chy 2003-08-24 now #if 0 .... #endif process cp14, cp15.reg14, I disable it...
-#if 0
- /* Handle the Clock counter here. */
- if (state->is_XScale) {
- ARMword cp14r0;
- int ok;
-
- ok = state->CPRead[14] (state, 0, &cp14r0);
-
- if (ok && (cp14r0 & ARMul_CP14_R0_ENABLE)) {
- unsigned int newcycles, nowtime =
- ARMul_Time (state);
-
- newcycles = nowtime - state->LastTime;
- state->LastTime = nowtime;
-
- if (cp14r0 & ARMul_CP14_R0_CCD) {
- if (state->CP14R0_CCD == -1)
- state->CP14R0_CCD = newcycles;
- else
- state->CP14R0_CCD +=
- newcycles;
-
- if (state->CP14R0_CCD >= 64) {
- newcycles = 0;
-
- while (state->CP14R0_CCD >=
- 64)
- state->CP14R0_CCD -=
- 64,
- newcycles++;
-
- goto check_PMUintr;
- }
- }
- else {
- ARMword cp14r1;
- int do_int = 0;
-
- state->CP14R0_CCD = -1;
- check_PMUintr:
- cp14r0 |= ARMul_CP14_R0_FLAG2;
- (void) state->CPWrite[14] (state, 0,
- cp14r0);
-
- ok = state->CPRead[14] (state, 1,
- &cp14r1);
-
- /* Coded like this for portability. */
- while (ok && newcycles) {
- if (cp14r1 == 0xffffffff) {
- cp14r1 = 0;
- do_int = 1;
- }
- else
- cp14r1++;
-
- newcycles--;
- }
-
- (void) state->CPWrite[14] (state, 1,
- cp14r1);
-
- if (do_int
- && (cp14r0 &
- ARMul_CP14_R0_INTEN2)) {
- ARMword temp;
-
- if (state->
- CPRead[13] (state, 8,
- &temp)
- && (temp &
- ARMul_CP13_R8_PMUS))
- ARMul_Abort (state,
- ARMul_FIQV);
- else
- ARMul_Abort (state,
- ARMul_IRQV);
- }
- }
- }
- }
-
- /* Handle hardware instructions breakpoints here. */
- if (state->is_XScale) {
- if ((pc | 3) == (read_cp15_reg (14, 0, 8) | 2)
- || (pc | 3) == (read_cp15_reg (14, 0, 9) | 2)) {
- if (XScale_debug_moe
- (state, ARMul_CP14_R10_MOE_IB))
- ARMul_OSHandleSWI (state,
- SWI_Breakpoint);
- }
- }
-#endif
/* Actual execution of instructions begins here. */
/* If the condition codes don't match, stop here. */
if (temp) {
- mainswitch:
-
- if (state->is_XScale) {
- if (BIT (20) == 0 && BITS (25, 27) == 0) {
- if (BITS (4, 7) == 0xD) {
- /* XScale Load Consecutive insn. */
- ARMword temp =
- GetLS7RHS (state,
- instr);
- ARMword temp2 =
- BIT (23) ? LHS +
- temp : LHS - temp;
- ARMword addr =
- BIT (24) ? temp2 :
- LHS;
-
- if (BIT (12))
- ARMul_UndefInstr
- (state,
- instr);
- else if (addr & 7)
- /* Alignment violation. */
- ARMul_Abort (state,
- ARMul_DataAbortV);
- else {
- int wb = BIT (21)
- ||
- (!BIT (24));
-
- state->Reg[BITS
- (12, 15)] =
- ARMul_LoadWordN
- (state, addr);
- state->Reg[BITS
- (12,
- 15) + 1] =
- ARMul_LoadWordN
- (state,
- addr + 4);
- if (wb)
- LSBase = temp2;
- }
-
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- else if (BITS (4, 7) == 0xF) {
- /* XScale Store Consecutive insn. */
- ARMword temp =
- GetLS7RHS (state,
- instr);
- ARMword temp2 =
- BIT (23) ? LHS +
- temp : LHS - temp;
- ARMword addr =
- BIT (24) ? temp2 :
- LHS;
-
- if (BIT (12))
- ARMul_UndefInstr
- (state,
- instr);
- else if (addr & 7)
- /* Alignment violation. */
- ARMul_Abort (state,
- ARMul_DataAbortV);
- else {
- ARMul_StoreWordN
- (state, addr,
- state->
- Reg[BITS
- (12,
- 15)]);
- ARMul_StoreWordN
- (state,
- addr + 4,
- state->
- Reg[BITS
- (12,
- 15) +
- 1]);
-
- if (BIT (21)
- || !BIT (24))
- LSBase = temp2;
- }
-
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- }
- //chy 2003-09-03 TMRRC(iwmmxt.c) and MRA has the same decoded instr????
- //Now, I commit iwmmxt process, may be future, I will change it!!!!
- //if (ARMul_HandleIwmmxt (state, instr))
- // _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
+mainswitch:
/* shenoubang sbfx and ubfx instr 2012-3-16 */
if (state->is_v6) {
@@ -1319,52 +1145,51 @@ ARMul_Emulate26 (ARMul_State * state)
Rn = (unsigned)BITS(0, 3);
if ((Rd == 15) || (Rn == 15)) {
ARMul_UndefInstr (state, instr);
- }
- else if ((m + width) < 32) {
+ } else if ((m + width) < 32) {
data = state->Reg[Rn];
state->Reg[Rd] ^= state->Reg[Rd];
- state->Reg[Rd] =
- ((ARMword)(data << (31 -(m + width))) >> ((31 - (m + width)) + (m)));
+ state->Reg[Rd] = ((ARMword)(data << (31 -(m + width))) >> ((31 - (m + width)) + (m)));
//SKYEYE_LOG_IN_CLR(RED, "UBFX: In %s, line = %d, Reg_src[%d] = 0x%x, Reg_d[%d] = 0x%x, m = %d, width = %d, Rd = %d, Rn = %d\n",
- // __FUNCTION__, __LINE__, Rn, data, Rd, state->Reg[Rd], m, width + 1, Rd, Rn);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ // __FUNCTION__, __LINE__, Rn, data, Rd, state->Reg[Rd], m, width + 1, Rd, Rn);
+ goto donext;
}
} // ubfx instr
else if ((((int) BITS (21, 27)) == 0x3d) && (((int) BITS (4, 6)) == 0x5)) {
int tmp = 0;
- Rd = BITS(12, 15); Rn = BITS(0, 3);
- lsb = BITS(7, 11); width = BITS(16, 20);
+ Rd = BITS(12, 15);
+ Rn = BITS(0, 3);
+ lsb = BITS(7, 11);
+ width = BITS(16, 20);
if ((Rd == 15) || (Rn == 15)) {
ARMul_UndefInstr (state, instr);
- }
- else if ((lsb + width) < 32) {
+ } else if ((lsb + width) < 32) {
state->Reg[Rd] ^= state->Reg[Rd];
data = state->Reg[Rn];
tmp = (data << (32 - (lsb + width + 1)));
state->Reg[Rd] = (tmp >> (32 - (lsb + width + 1)));
- //SKYEYE_LOG_IN_CLR(RED, "sbfx: In %s, line = %d, pc = 0x%x, instr = 0x%x,Rd = 0x%x, \
- Rn = 0x%x, lsb = %d, width = %d, Rs[%d] = 0x%x, Rd[%d] = 0x%x\n",
- // __func__, __LINE__, pc, instr, Rd, Rn, lsb, width + 1, Rn, state->Reg[Rn], Rd, state->Reg[Rd]);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ //SKYEYE_LOG_IN_CLR(RED, "sbfx: In %s, line = %d, pc = 0x%x, instr = 0x%x,Rd = 0x%x, Rn = 0x%x, lsb = %d, width = %d, Rs[%d] = 0x%x, Rd[%d] = 0x%x\n",
+ // __func__, __LINE__, pc, instr, Rd, Rn, lsb, width + 1, Rn, state->Reg[Rn], Rd, state->Reg[Rd]);
+ goto donext;
}
} // sbfx instr
else if ((((int)BITS(21, 27)) == 0x3e) && ((int)BITS(4, 6) == 0x1)) {
//(ARMword)(instr<<(31-(n))) >> ((31-(n))+(m))
unsigned msb ,tmp_rn, tmp_rd, dst;
msb = tmp_rd = tmp_rn = dst = 0;
- Rd = BITS(12, 15); Rn = BITS(0, 3);
- lsb = BITS(7, 11); msb = BITS(16, 20);
+ Rd = BITS(12, 15);
+ Rn = BITS(0, 3);
+ lsb = BITS(7, 11);
+ msb = BITS(16, 20); //-V519
if ((Rd == 15)) {
ARMul_UndefInstr (state, instr);
- }
- else if ((Rn == 15)) {
+ } else if ((Rn == 15)) {
data = state->Reg[Rd];
tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb));
dst = ((data >> msb) << (msb - lsb));
dst = (dst << lsb) | tmp_rd;
- DEBUG_LOG(ARM11, "BFC instr: msb = %d, lsb = %d, Rd[%d] : 0x%x, dst = 0x%x\n",
- msb, lsb, Rd, state->Reg[Rd], dst);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ /*SKYEYE_DBG("BFC instr: msb = %d, lsb = %d, Rd[%d] : 0x%x, dst = 0x%x\n",
+ msb, lsb, Rd, state->Reg[Rd], dst);*/
+ goto donext;
} // bfc instr
else if (((msb >= lsb) && (msb < 32))) {
data = state->Reg[Rn];
@@ -1373,17 +1198,17 @@ ARMul_Emulate26 (ARMul_State * state)
tmp_rd = ((ARMword)(data << (31 - lsb)) >> (31 - lsb));
dst = ((data >> msb) << (msb - lsb)) | tmp_rn;
dst = (dst << lsb) | tmp_rd;
- DEBUG_LOG(ARM11, "BFI instr:msb = %d, lsb = %d, Rd[%d] : 0x%x, Rn[%d]: 0x%x, dst = 0x%x\n",
- msb, lsb, Rd, state->Reg[Rd], Rn, state->Reg[Rn], dst);
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
+ /*SKYEYE_DBG("BFI instr:msb = %d, lsb = %d, Rd[%d] : 0x%x, Rn[%d]: 0x%x, dst = 0x%x\n",
+ msb, lsb, Rd, state->Reg[Rd], Rn, state->Reg[Rn], dst);*/
+ goto donext;
} // bfi instr
}
}
-
+
switch ((int) BITS (20, 27)) {
- /* Data Processing Register RHS Instructions. */
+ /* Data Processing Register RHS Instructions. */
- case 0x00: /* AND reg and MUL */
+ case 0x00: /* AND reg and MUL */
#ifdef MODET
if (BITS (4, 11) == 0xB) {
/* STRH register offset, no write-back, down, post indexed. */
@@ -1403,28 +1228,22 @@ ARMul_Emulate26 (ARMul_State * state)
/* MUL */
rhs = state->Reg[MULRHSReg];
//if (MULLHSReg == MULDESTReg) {
- if(0){ /* For armv6, the restriction is removed */
+ if(0) { /* For armv6, the restriction is removed */
UNDEF_MULDestEQOp1;
state->Reg[MULDESTReg] = 0;
- }
- else if (MULDESTReg != 15)
- state->Reg[MULDESTReg] =
- state->
- Reg[MULLHSReg] * rhs;
+ } else if (MULDESTReg != 15)
+ state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs;
else
UNDEF_MULPCDest;
for (dest = 0, temp = 0; dest < 32;
- dest++)
+ dest++)
if (rhs & (1L << dest))
temp = dest;
/* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state,
- ARMul_MultTable[temp],
- 0L);
- }
- else {
+ ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
+ } else {
/* AND reg. */
rhs = DPRegRHS;
dest = LHS & rhs;
@@ -1432,7 +1251,7 @@ ARMul_Emulate26 (ARMul_State * state)
}
break;
- case 0x01: /* ANDS reg and MULS */
+ case 0x01: /* ANDS reg and MULS */
#ifdef MODET
if ((BITS (4, 11) & 0xF9) == 0x9)
/* LDR register offset, no write-back, down, post indexed. */
@@ -1444,34 +1263,28 @@ ARMul_Emulate26 (ARMul_State * state)
rhs = state->Reg[MULRHSReg];
//if (MULLHSReg == MULDESTReg) {
- if(0){
+ if(0) {
printf("Something in %d line\n", __LINE__);
UNDEF_WARNING;
UNDEF_MULDestEQOp1;
state->Reg[MULDESTReg] = 0;
CLEARN;
SETZ;
- }
- else if (MULDESTReg != 15) {
- dest = state->Reg[MULLHSReg] *
- rhs;
+ } else if (MULDESTReg != 15) {
+ dest = state->Reg[MULLHSReg] * rhs;
ARMul_NegZero (state, dest);
state->Reg[MULDESTReg] = dest;
- }
- else
+ } else
UNDEF_MULPCDest;
for (dest = 0, temp = 0; dest < 32;
- dest++)
+ dest++)
if (rhs & (1L << dest))
temp = dest;
/* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state,
- ARMul_MultTable[temp],
- 0L);
- }
- else {
+ ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
+ } else {
/* ANDS reg. */
rhs = DPSRegRHS;
dest = LHS & rhs;
@@ -1479,7 +1292,7 @@ ARMul_Emulate26 (ARMul_State * state)
}
break;
- case 0x02: /* EOR reg and MLA */
+ case 0x02: /* EOR reg and MLA */
#ifdef MODET
if (BITS (4, 11) == 0xB) {
/* STRH register offset, write-back, down, post indexed. */
@@ -1487,3069 +1300,2603 @@ ARMul_Emulate26 (ARMul_State * state)
break;
}
#endif
- if (BITS (4, 7) == 9) { /* MLA */
+ if (BITS (4, 7) == 9) { /* MLA */
rhs = state->Reg[MULRHSReg];
- #if 0
+#if 0
if (MULLHSReg == MULDESTReg) {
UNDEF_MULDestEQOp1;
- state->Reg[MULDESTReg] =
- state->Reg[MULACCReg];
- }
- else if (MULDESTReg != 15){
- #endif
- if (MULDESTReg != 15){
- state->Reg[MULDESTReg] =
- state->
- Reg[MULLHSReg] * rhs +
- state->Reg[MULACCReg];
+ state->Reg[MULDESTReg] = state->Reg[MULACCReg];
+ } else if (MULDESTReg != 15) {
+#endif
+ if (MULDESTReg != 15) {
+ state->Reg[MULDESTReg] = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
+ } else
+ UNDEF_MULPCDest;
+
+ for (dest = 0, temp = 0; dest < 32;
+ dest++)
+ if (rhs & (1L << dest))
+ temp = dest;
+
+ /* Mult takes this many/2 I cycles. */
+ ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
+ } else {
+ rhs = DPRegRHS;
+ dest = LHS ^ rhs;
+ WRITEDEST (dest);
}
- else
- UNDEF_MULPCDest;
+ break;
- for (dest = 0, temp = 0; dest < 32;
- dest++)
- if (rhs & (1L << dest))
- temp = dest;
+ case 0x03: /* EORS reg and MLAS */
+#ifdef MODET
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, write-back, down, post-indexed. */
+ LHPOSTDOWN ();
+ /* Fall through to rest of the decoding. */
+#endif
+ if (BITS (4, 7) == 9) {
+ /* MLAS */
+ rhs = state->Reg[MULRHSReg];
+ //if (MULLHSReg == MULDESTReg) {
+ if (0) {
+ UNDEF_MULDestEQOp1;
+ dest = state->Reg[MULACCReg];
+ ARMul_NegZero (state, dest);
+ state->Reg[MULDESTReg] = dest;
+ } else if (MULDESTReg != 15) {
+ dest = state->Reg[MULLHSReg] * rhs + state->Reg[MULACCReg];
+ ARMul_NegZero (state, dest);
+ state->Reg[MULDESTReg] = dest;
+ } else
+ UNDEF_MULPCDest;
+
+ for (dest = 0, temp = 0; dest < 32;
+ dest++)
+ if (rhs & (1L << dest))
+ temp = dest;
+
+ /* Mult takes this many/2 I cycles. */
+ ARMul_Icycles (state, ARMul_MultTable[temp], 0L);
+ } else {
+ /* EORS Reg. */
+ rhs = DPSRegRHS;
+ dest = LHS ^ rhs;
+ WRITESDEST (dest);
+ }
+ break;
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state,
- ARMul_MultTable[temp],
- 0L);
- }
- else {
+ case 0x04: /* SUB reg */
+#ifdef MODET
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, no write-back, down, post indexed. */
+ SHDOWNWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
+#endif
rhs = DPRegRHS;
- dest = LHS ^ rhs;
+ dest = LHS - rhs;
WRITEDEST (dest);
- }
- break;
+ break;
- case 0x03: /* EORS reg and MLAS */
+ case 0x05: /* SUBS reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, down, post-indexed. */
- LHPOSTDOWN ();
- /* Fall through to rest of the decoding. */
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, no write-back, down, post indexed. */
+ LHPOSTDOWN ();
+ /* Fall through to the rest of the instruction decoding. */
#endif
- if (BITS (4, 7) == 9) {
- /* MLAS */
- rhs = state->Reg[MULRHSReg];
- //if (MULLHSReg == MULDESTReg) {
- if (0) {
- UNDEF_MULDestEQOp1;
- dest = state->Reg[MULACCReg];
- ARMul_NegZero (state, dest);
- state->Reg[MULDESTReg] = dest;
- }
- else if (MULDESTReg != 15) {
- dest = state->Reg[MULLHSReg] *
- rhs +
- state->Reg[MULACCReg];
- ARMul_NegZero (state, dest);
- state->Reg[MULDESTReg] = dest;
- }
- else
- UNDEF_MULPCDest;
-
- for (dest = 0, temp = 0; dest < 32;
- dest++)
- if (rhs & (1L << dest))
- temp = dest;
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs - rhs;
- /* Mult takes this many/2 I cycles. */
- ARMul_Icycles (state,
- ARMul_MultTable[temp],
- 0L);
- }
- else {
- /* EORS Reg. */
- rhs = DPSRegRHS;
- dest = LHS ^ rhs;
+ if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
WRITESDEST (dest);
- }
- break;
+ break;
- case 0x04: /* SUB reg */
+ case 0x06: /* RSB reg */
#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, no write-back, down, post indexed. */
- SHDOWNWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, write-back, down, post indexed. */
+ SHDOWNWB ();
+ break;
+ }
#endif
- rhs = DPRegRHS;
- dest = LHS - rhs;
- WRITEDEST (dest);
- break;
+ rhs = DPRegRHS;
+ dest = rhs - LHS;
+ WRITEDEST (dest);
+ break;
- case 0x05: /* SUBS reg */
+ case 0x07: /* RSBS reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, down, post indexed. */
- LHPOSTDOWN ();
- /* Fall through to the rest of the instruction decoding. */
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, write-back, down, post indexed. */
+ LHPOSTDOWN ();
+ /* Fall through to remainder of instruction decoding. */
#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs;
-
- if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs, rhs,
- dest);
- ARMul_SubOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = rhs - lhs;
- case 0x06: /* RSB reg */
-#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, write-back, down, post indexed. */
- SHDOWNWB ();
+ if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, rhs, lhs, dest);
+ ARMul_SubOverflow (state, rhs, lhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
break;
- }
-#endif
- rhs = DPRegRHS;
- dest = rhs - LHS;
- WRITEDEST (dest);
- break;
- case 0x07: /* RSBS reg */
+ case 0x08: /* ADD reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, down, post indexed. */
- LHPOSTDOWN ();
- /* Fall through to remainder of instruction decoding. */
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, no write-back, up, post indexed. */
+ SHUPWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = rhs - lhs;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, rhs, lhs,
- dest);
- ARMul_SubOverflow (state, rhs, lhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
-
- case 0x08: /* ADD reg */
#ifdef MODET
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, no write-back, up, post indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32 = 64 */
+ ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LDEFAULT), 0L);
+ break;
+ }
#endif
-#ifdef MODET
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32 = 64 */
- ARMul_Icycles (state,
- Multiply64 (state,
- instr,
- LUNSIGNED,
- LDEFAULT),
- 0L);
+ rhs = DPRegRHS;
+ dest = LHS + rhs;
+ WRITEDEST (dest);
break;
- }
-#endif
- rhs = DPRegRHS;
- dest = LHS + rhs;
- WRITEDEST (dest);
- break;
- case 0x09: /* ADDS reg */
+ case 0x09: /* ADDS reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, no write-back, up, post indexed. */
+ LHPOSTUP ();
+ /* Fall through to remaining instruction decoding. */
#endif
#ifdef MODET
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state,
- instr,
- LUNSIGNED,
- LSCC), 0L);
- break;
- }
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, Multiply64 (state, instr, LUNSIGNED, LSCC), 0L);
+ break;
+ }
#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs,
- dest);
- ARMul_AddOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs + rhs;
+ ASSIGNZ (dest == 0);
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x0a: /* ADC reg */
+ case 0x0a: /* ADC reg */
#ifdef MODET
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, write-back, up, post-indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state,
- instr,
- LUNSIGNED,
- LDEFAULT),
- 0L);
- break;
- }
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, write-back, up, post-indexed. */
+ SHUPWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LDEFAULT), 0L);
+ break;
+ }
#endif
- rhs = DPRegRHS;
- dest = LHS + rhs + CFLAG;
- WRITEDEST (dest);
- break;
+ rhs = DPRegRHS;
+ dest = LHS + rhs + CFLAG;
+ WRITEDEST (dest);
+ break;
- case 0x0b: /* ADCS reg */
+ case 0x0b: /* ADCS reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state,
- instr,
- LUNSIGNED,
- LSCC),
- 0L);
- break;
- }
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, write-back, up, post indexed. */
+ LHPOSTUP ();
+ /* Fall through to remaining instruction decoding. */
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, MultiplyAdd64 (state, instr, LUNSIGNED, LSCC), 0L);
+ break;
+ }
#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs + CFLAG;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs,
- dest);
- ARMul_AddOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs + rhs + CFLAG;
+ ASSIGNZ (dest == 0);
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x0c: /* SBC reg */
+ case 0x0c: /* SBC reg */
#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, no write-back, up post indexed. */
- SHUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state,
- instr,
- LSIGNED,
- LDEFAULT),
- 0L);
- break;
- }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, no write-back, up post indexed. */
+ SHUPWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LDEFAULT), 0L);
+ break;
+ }
#endif
- rhs = DPRegRHS;
- dest = LHS - rhs - !CFLAG;
- WRITEDEST (dest);
- break;
+ rhs = DPRegRHS;
+ dest = LHS - rhs - !CFLAG;
+ WRITEDEST (dest);
+ break;
- case 0x0d: /* SBCS reg */
+ case 0x0d: /* SBCS reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, up, post indexed. */
- LHPOSTUP ();
-
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- Multiply64 (state,
- instr,
- LSIGNED,
- LSCC), 0L);
- break;
- }
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, no write-back, up, post indexed. */
+ LHPOSTUP ();
+
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, Multiply64 (state, instr, LSIGNED, LSCC), 0L);
+ break;
+ }
#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs - !CFLAG;
- if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs, rhs,
- dest);
- ARMul_SubOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs - rhs - !CFLAG;
+ if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x0e: /* RSC reg */
+ case 0x0e: /* RSC reg */
#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, write-back, up, post indexed. */
- SHUPWB ();
- break;
- }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, write-back, up, post indexed. */
+ SHUPWB ();
+ break;
+ }
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state,
- instr,
- LSIGNED,
- LDEFAULT),
- 0L);
- break;
- }
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LDEFAULT), 0L);
+ break;
+ }
#endif
- rhs = DPRegRHS;
- dest = rhs - LHS - !CFLAG;
- WRITEDEST (dest);
- break;
+ rhs = DPRegRHS;
+ dest = rhs - LHS - !CFLAG;
+ WRITEDEST (dest);
+ break;
- case 0x0f: /* RSCS reg */
+ case 0x0f: /* RSCS reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, up, post indexed. */
- LHPOSTUP ();
- /* Fall through to remaining instruction decoding. */
-
- if (BITS (4, 7) == 0x9) {
- /* MULL */
- /* 32x32=64 */
- ARMul_Icycles (state,
- MultiplyAdd64 (state,
- instr,
- LSIGNED,
- LSCC),
- 0L);
- break;
- }
-#endif
- lhs = LHS;
- rhs = DPRegRHS;
- dest = rhs - lhs - !CFLAG;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, rhs, lhs,
- dest);
- ARMul_SubOverflow (state, rhs, lhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, write-back, up, post indexed. */
+ LHPOSTUP ();
+ /* Fall through to remaining instruction decoding. */
- case 0x10: /* TST reg and MRS CPSR and SWP word. */
- if (state->is_v5e) {
- if (BIT (4) == 0 && BIT (7) == 1) {
- /* ElSegundo SMLAxy insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (8, 11)];
- ARMword Rn =
- state->
- Reg[BITS (12, 15)];
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- op2 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- if (op2 & 0x8000)
- op2 -= 65536;
- op1 *= op2;
- //printf("SMLA_INST:BB,op1=0x%x, op2=0x%x. Rn=0x%x\n", op1, op2, Rn);
- if (AddOverflow
- (op1, Rn, op1 + Rn))
- SETS;
- state->Reg[BITS (16, 19)] =
- op1 + Rn;
+ if (BITS (4, 7) == 0x9) {
+ /* MULL */
+ /* 32x32=64 */
+ ARMul_Icycles (state, MultiplyAdd64 (state, instr, LSIGNED, LSCC), 0L);
break;
}
+#endif
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = rhs - lhs - !CFLAG;
+
+ if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, rhs, lhs, dest);
+ ARMul_SubOverflow (state, rhs, lhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- if (BITS (4, 11) == 5) {
- /* ElSegundo QADD insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (16, 19)];
- ARMword result = op1 + op2;
- if (AddOverflow
- (op1, op2, result)) {
- result = POS (result)
- ? 0x80000000 :
- 0x7fffffff;
- SETS;
+ case 0x10: /* TST reg and MRS CPSR and SWP word. */
+ if (state->is_v5e) {
+ if (BIT (4) == 0 && BIT (7) == 1) {
+ /* ElSegundo SMLAxy insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (8, 11)];
+ ARMword Rn = state->Reg[BITS (12, 15)];
+
+ if (BIT (5))
+ op1 >>= 16;
+ if (BIT (6))
+ op2 >>= 16;
+ op1 &= 0xFFFF;
+ op2 &= 0xFFFF;
+ if (op1 & 0x8000)
+ op1 -= 65536;
+ if (op2 & 0x8000)
+ op2 -= 65536;
+ op1 *= op2;
+ //printf("SMLA_INST:BB,op1=0x%x, op2=0x%x. Rn=0x%x\n", op1, op2, Rn);
+ if (AddOverflow(op1, Rn, op1 + Rn))
+ SETS;
+ state->Reg[BITS (16, 19)] = op1 + Rn;
+ break;
+ }
+
+ if (BITS (4, 11) == 5) {
+ /* ElSegundo QADD insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (16, 19)];
+ ARMword result = op1 + op2;
+ if (AddOverflow(op1, op2, result)) {
+ result = POS (result) ? 0x80000000 : 0x7fffffff;
+ SETS;
+ }
+ state->Reg[BITS (12, 15)] = result;
+ break;
}
- state->Reg[BITS (12, 15)] =
- result;
- break;
}
- }
#ifdef MODET
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, no write-back, down, pre indexed. */
- SHPREDOWN ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, no write-back, down, pre indexed. */
+ SHPREDOWN ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- if (BITS (4, 11) == 9) {
- /* SWP */
- UNDEF_SWPPC;
- temp = LHS;
- BUSUSEDINCPCS;
+ if (BITS (4, 11) == 9) {
+ /* SWP */
+ UNDEF_SWPPC;
+ temp = LHS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (VECTORACCESS (temp)
- || ADDREXCEPT (temp)) {
- INTERNALABORT (temp);
- (void) ARMul_LoadWordN (state,
- temp);
- (void) ARMul_LoadWordN (state,
- temp);
- }
- else
+ if (VECTORACCESS (temp) || ADDREXCEPT (temp)) {
+ INTERNALABORT (temp);
+ (void) ARMul_LoadWordN (state, temp);
+ (void) ARMul_LoadWordN (state, temp);
+ } else
#endif
- dest = ARMul_SwapWord (state,
- temp,
- state->
- Reg
- [RHSReg]);
- if (temp & 3)
- DEST = ARMul_Align (state,
- temp,
- dest);
- else
- DEST = dest;
- if (state->abortSig || state->Aborted)
- TAKEABORT;
- }
- else if ((BITS (0, 11) == 0) && (LHSReg == 15)) { /* MRS CPSR */
- UNDEF_MRSPC;
- DEST = ECC | EINT | EMODE;
- }
- else {
- UNDEF_Test;
- }
- break;
+ dest = ARMul_SwapWord (state, temp, state->Reg[RHSReg]);
+ if (temp & 3)
+ DEST = ARMul_Align (state, temp, dest);
+ else
+ DEST = dest;
+ if (state->abortSig || state->Aborted)
+ TAKEABORT;
+ } else if ((BITS (0, 11) == 0) && (LHSReg == 15)) { /* MRS CPSR */
+ UNDEF_MRSPC;
+ DEST = ECC | EINT | EMODE;
+ } else {
+ UNDEF_Test;
+ }
+ break;
- case 0x11: /* TSTP reg */
+ case 0x11: /* TSTP reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, down, pre indexed. */
- LHPREDOWN ();
- /* Continue with remaining instruction decode. */
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, no write-back, down, pre indexed. */
+ LHPREDOWN ();
+ /* Continue with remaining instruction decode. */
#endif
- if (DESTReg == 15) {
- /* TSTP reg */
+ if (DESTReg == 15) {
+ /* TSTP reg */
#ifdef MODE32
- //chy 2006-02-15 if in user mode, can not set cpsr 0:23
- //from p165 of ARMARM book
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ //chy 2006-02-15 if in user mode, can not set cpsr 0:23
+ //from p165 of ARMARM book
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- rhs = DPRegRHS;
- temp = LHS & rhs;
- SETR15PSR (temp);
+ rhs = DPRegRHS;
+ temp = LHS & rhs;
+ SETR15PSR (temp);
#endif
- }
- else {
- /* TST reg */
- rhs = DPSRegRHS;
- dest = LHS & rhs;
- ARMul_NegZero (state, dest);
- }
- break;
+ } else {
+ /* TST reg */
+ rhs = DPSRegRHS;
+ dest = LHS & rhs;
+ ARMul_NegZero (state, dest);
+ }
+ break;
- case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6). */
+ case 0x12: /* TEQ reg and MSR reg to CPSR (ARM6). */
- if (state->is_v5) {
- if (BITS (4, 7) == 3) {
- /* BLX(2) */
- ARMword temp;
+ if (state->is_v5) {
+ if (BITS (4, 7) == 3) {
+ /* BLX(2) */
+ ARMword temp;
- if (TFLAG)
- temp = (pc + 2) | 1;
- else
- temp = pc + 4;
+ if (TFLAG)
+ temp = (pc + 2) | 1;
+ else
+ temp = pc + 4;
- WriteR15Branch (state,
- state->
- Reg[RHSReg]);
- state->Reg[14] = temp;
- break;
+ WriteR15Branch (state, state->Reg[RHSReg]);
+ state->Reg[14] = temp;
+ break;
+ }
}
- }
- if (state->is_v5e) {
- if (BIT (4) == 0 && BIT (7) == 1
- && (BIT (5) == 0
- || BITS (12, 15) == 0)) {
- /* ElSegundo SMLAWy/SMULWy insn. */
- unsigned long long op1 =
- state->
- Reg[BITS (0, 3)];
- unsigned long long op2 =
- state->
- Reg[BITS (8, 11)];
- unsigned long long result;
-
- if (BIT (6))
- op2 >>= 16;
- if (op1 & 0x80000000)
- op1 -= 1ULL << 32;
- op2 &= 0xFFFF;
- if (op2 & 0x8000)
- op2 -= 65536;
- result = (op1 * op2) >> 16;
-
- if (BIT (5) == 0) {
- ARMword Rn =
- state->
- Reg[BITS
- (12, 15)];
+ if (state->is_v5e) {
+ if (BIT (4) == 0 && BIT (7) == 1 && (BIT (5) == 0 || BITS (12, 15) == 0)) {
+ /* ElSegundo SMLAWy/SMULWy insn. */
+ unsigned long long op1 = state->Reg[BITS (0, 3)];
+ unsigned long long op2 = state->Reg[BITS (8, 11)];
+ unsigned long long result;
+
+ if (BIT (6))
+ op2 >>= 16;
+ if (op1 & 0x80000000)
+ op1 -= 1ULL << 32;
+ op2 &= 0xFFFF;
+ if (op2 & 0x8000)
+ op2 -= 65536;
+ result = (op1 * op2) >> 16;
+
+ if (BIT (5) == 0) {
+ ARMword Rn = state->Reg[BITS(12, 15)];
+
+ if (AddOverflow((ARMword)result, Rn, (ARMword)(result + Rn)))
+ SETS;
+ result += Rn;
+ }
+ state->Reg[BITS (16, 19)] = (ARMword)result;
+ break;
+ }
+
+ if (BITS (4, 11) == 5) {
+ /* ElSegundo QSUB insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (16, 19)];
+ ARMword result = op1 - op2;
- if (AddOverflow
- (result, Rn,
- result + Rn))
+ if (SubOverflow
+ (op1, op2, result)) {
+ result = POS (result) ? 0x80000000 : 0x7fffffff;
SETS;
- result += Rn;
+ }
+
+ state->Reg[BITS (12, 15)] = result;
+ break;
}
- state->Reg[BITS (16, 19)] =
- result;
+ }
+#ifdef MODET
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, write-back, down, pre indexed. */
+ SHPREDOWNWB ();
break;
}
-
- if (BITS (4, 11) == 5) {
- /* ElSegundo QSUB insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (16, 19)];
- ARMword result = op1 - op2;
-
- if (SubOverflow
- (op1, op2, result)) {
- result = POS (result)
- ? 0x80000000 :
- 0x7fffffff;
- SETS;
- }
-
- state->Reg[BITS (12, 15)] =
- result;
+ if (BITS (4, 27) == 0x12FFF1) {
+ /* BX */
+ WriteR15Branch (state, state->Reg[RHSReg]);
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
break;
}
- }
-#ifdef MODET
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, write-back, down, pre indexed. */
- SHPREDOWNWB ();
- break;
- }
- if (BITS (4, 27) == 0x12FFF1) {
- /* BX */
- WriteR15Branch (state,
- state->Reg[RHSReg]);
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
#endif
- if (state->is_v5) {
- if (BITS (4, 7) == 0x7) {
- ARMword value;
- extern int
- SWI_vector_installed;
-
- /* Hardware is allowed to optionally override this
- instruction and treat it as a breakpoint. Since
- this is a simulator not hardware, we take the position
- that if a SWI vector was not installed, then an Abort
- vector was probably not installed either, and so
- normally this instruction would be ignored, even if an
- Abort is generated. This is a bad thing, since GDB
- uses this instruction for its breakpoints (at least in
- Thumb mode it does). So intercept the instruction here
- and generate a breakpoint SWI instead. */
- if (!SWI_vector_installed)
- ARMul_OSHandleSWI
- (state,
- SWI_Breakpoint);
- else {
- /* BKPT - normally this will cause an abort, but on the
- XScale we must check the DCSR. */
- XScale_set_fsr_far
- (state,
- ARMul_CP15_R5_MMU_EXCPT,
- pc);
- //if (!XScale_debug_moe
- // (state,
- // ARMul_CP14_R10_MOE_BT))
- // break; // Disabled /bunnei
+ if (state->is_v5) {
+ if (BITS (4, 7) == 0x7) {
+ //ARMword value;
+ //extern int SWI_vector_installed;
+
+ /* Hardware is allowed to optionally override this
+ instruction and treat it as a breakpoint. Since
+ this is a simulator not hardware, we take the position
+ that if a SWI vector was not installed, then an Abort
+ vector was probably not installed either, and so
+ normally this instruction would be ignored, even if an
+ Abort is generated. This is a bad thing, since GDB
+ uses this instruction for its breakpoints (at least in
+ Thumb mode it does). So intercept the instruction here
+ and generate a breakpoint SWI instead. */
+ /* Force the next instruction to be refetched. */
+ state->NextInstr = RESUME;
+ break;
}
-
- /* Force the next instruction to be refetched. */
- state->NextInstr = RESUME;
- break;
}
- }
- if (DESTReg == 15) {
- /* MSR reg to CPSR. */
- UNDEF_MSRPC;
- temp = DPRegRHS;
+ if (DESTReg == 15) {
+ /* MSR reg to CPSR. */
+ UNDEF_MSRPC;
+ temp = DPRegRHS;
#ifdef MODET
- /* Don't allow TBIT to be set by MSR. */
- temp &= ~TBIT;
+ /* Don't allow TBIT to be set by MSR. */
+ temp &= ~TBIT;
#endif
- ARMul_FixCPSR (state, instr, temp);
- }
- else
- UNDEF_Test;
+ ARMul_FixCPSR (state, instr, temp);
+ } else
+ UNDEF_Test;
- break;
+ break;
- case 0x13: /* TEQP reg */
+ case 0x13: /* TEQP reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, down, pre indexed. */
- LHPREDOWNWB ();
- /* Continue with remaining instruction decode. */
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, write-back, down, pre indexed. */
+ LHPREDOWNWB ();
+ /* Continue with remaining instruction decode. */
#endif
- if (DESTReg == 15) {
- /* TEQP reg */
+ if (DESTReg == 15) {
+ /* TEQP reg */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- rhs = DPRegRHS;
- temp = LHS ^ rhs;
- SETR15PSR (temp);
+ rhs = DPRegRHS;
+ temp = LHS ^ rhs;
+ SETR15PSR (temp);
#endif
- }
- else {
- /* TEQ Reg. */
- rhs = DPSRegRHS;
- dest = LHS ^ rhs;
- ARMul_NegZero (state, dest);
- }
- break;
-
- case 0x14: /* CMP reg and MRS SPSR and SWP byte. */
- if (state->is_v5e) {
- if (BIT (4) == 0 && BIT (7) == 1) {
- /* ElSegundo SMLALxy insn. */
- unsigned long long op1 =
- state->
- Reg[BITS (0, 3)];
- unsigned long long op2 =
- state->
- Reg[BITS (8, 11)];
- unsigned long long dest;
- unsigned long long result;
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- op2 &= 0xFFFF;
- if (op2 & 0x8000)
- op2 -= 65536;
-
- dest = (unsigned long long)
- state->
- Reg[BITS (16, 19)] <<
- 32;
- dest |= state->
- Reg[BITS (12, 15)];
- dest += op1 * op2;
- state->Reg[BITS (12, 15)] =
- dest;
- state->Reg[BITS (16, 19)] =
- dest >> 32;
- break;
+ } else {
+ /* TEQ Reg. */
+ rhs = DPSRegRHS;
+ dest = LHS ^ rhs;
+ ARMul_NegZero (state, dest);
}
+ break;
- if (BITS (4, 11) == 5) {
- /* ElSegundo QDADD insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (16, 19)];
- ARMword op2d = op2 + op2;
- ARMword result;
-
- if (AddOverflow
- (op2, op2, op2d)) {
- SETS;
- op2d = POS (op2d) ?
- 0x80000000 :
- 0x7fffffff;
+ case 0x14: /* CMP reg and MRS SPSR and SWP byte. */
+ if (state->is_v5e) {
+ if (BIT (4) == 0 && BIT (7) == 1) {
+ /* ElSegundo SMLALxy insn. */
+ unsigned long long op1 = state->Reg[BITS (0, 3)];
+ unsigned long long op2 = state->Reg[BITS (8, 11)];
+ unsigned long long dest;
+ //unsigned long long result;
+
+ if (BIT (5))
+ op1 >>= 16;
+ if (BIT (6))
+ op2 >>= 16;
+ op1 &= 0xFFFF;
+ if (op1 & 0x8000)
+ op1 -= 65536;
+ op2 &= 0xFFFF;
+ if (op2 & 0x8000)
+ op2 -= 65536;
+
+ dest = (unsigned long long) state->Reg[BITS (16, 19)] << 32;
+ dest |= state->Reg[BITS (12, 15)];
+ dest += op1 * op2;
+ state->Reg[BITS(12, 15)] = (ARMword)dest;
+ state->Reg[BITS(16, 19)] = (ARMword)(dest >> 32);
+ break;
}
- result = op1 + op2d;
- if (AddOverflow
- (op1, op2d, result)) {
- SETS;
- result = POS (result)
- ? 0x80000000 :
- 0x7fffffff;
- }
+ if (BITS (4, 11) == 5) {
+ /* ElSegundo QDADD insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (16, 19)];
+ ARMword op2d = op2 + op2;
+ ARMword result;
- state->Reg[BITS (12, 15)] =
- result;
- break;
+ if (AddOverflow
+ (op2, op2, op2d)) {
+ SETS;
+ op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
+ }
+
+ result = op1 + op2d;
+ if (AddOverflow(op1, op2d, result)) {
+ SETS;
+ result = POS (result) ? 0x80000000 : 0x7fffffff;
+ }
+
+ state->Reg[BITS (12, 15)] = result;
+ break;
+ }
}
- }
#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, no write-back, down, pre indexed. */
- SHPREDOWN ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, no write-back, down, pre indexed. */
+ SHPREDOWN ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- if (BITS (4, 11) == 9) {
- /* SWP */
- UNDEF_SWPPC;
- temp = LHS;
- BUSUSEDINCPCS;
+ if (BITS (4, 11) == 9) {
+ /* SWP */
+ UNDEF_SWPPC;
+ temp = LHS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (VECTORACCESS (temp)
- || ADDREXCEPT (temp)) {
- INTERNALABORT (temp);
- (void) ARMul_LoadByte (state,
- temp);
- (void) ARMul_LoadByte (state,
- temp);
- }
- else
+ if (VECTORACCESS (temp) || ADDREXCEPT (temp)) {
+ INTERNALABORT (temp);
+ (void) ARMul_LoadByte (state, temp);
+ (void) ARMul_LoadByte (state, temp);
+ } else
#endif
- DEST = ARMul_SwapByte (state,
- temp,
- state->
- Reg
- [RHSReg]);
- if (state->abortSig || state->Aborted)
- TAKEABORT;
- }
- else if ((BITS (0, 11) == 0)
- && (LHSReg == 15)) {
- /* MRS SPSR */
- UNDEF_MRSPC;
- DEST = GETSPSR (state->Bank);
- }
- else
- UNDEF_Test;
+ DEST = ARMul_SwapByte (state, temp, state->Reg[RHSReg]);
+ if (state->abortSig || state->Aborted)
+ TAKEABORT;
+ } else if ((BITS (0, 11) == 0)
+ && (LHSReg == 15)) {
+ /* MRS SPSR */
+ UNDEF_MRSPC;
+ DEST = GETSPSR (state->Bank);
+ } else
+ UNDEF_Test;
- break;
+ break;
- case 0x15: /* CMPP reg. */
+ case 0x15: /* CMPP reg. */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, no write-back, down, pre indexed. */
- LHPREDOWN ();
- /* Continue with remaining instruction decode. */
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, no write-back, down, pre indexed. */
+ LHPREDOWN ();
+ /* Continue with remaining instruction decode. */
#endif
- if (DESTReg == 15) {
- /* CMPP reg. */
+ if (DESTReg == 15) {
+ /* CMPP reg. */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- rhs = DPRegRHS;
- temp = LHS - rhs;
- SETR15PSR (temp);
+ rhs = DPRegRHS;
+ temp = LHS - rhs;
+ SETR15PSR (temp);
#endif
- }
- else {
- /* CMP reg. */
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs - rhs;
- ARMul_NegZero (state, dest);
- if ((lhs >= rhs)
- || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs,
- rhs, dest);
- ARMul_SubOverflow (state, lhs,
- rhs, dest);
- }
- else {
- CLEARC;
- CLEARV;
+ } else {
+ /* CMP reg. */
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs - rhs;
+ ARMul_NegZero (state, dest);
+ if ((lhs >= rhs)
+ || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
}
- }
- break;
+ break;
- case 0x16: /* CMN reg and MSR reg to SPSR */
- if (state->is_v5e) {
- if (BIT (4) == 0 && BIT (7) == 1
- && BITS (12, 15) == 0) {
- /* ElSegundo SMULxy insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (8, 11)];
- ARMword Rn =
- state->
- Reg[BITS (12, 15)];
-
- if (BIT (5))
- op1 >>= 16;
- if (BIT (6))
- op2 >>= 16;
- op1 &= 0xFFFF;
- op2 &= 0xFFFF;
- if (op1 & 0x8000)
- op1 -= 65536;
- if (op2 & 0x8000)
- op2 -= 65536;
-
- state->Reg[BITS (16, 19)] =
- op1 * op2;
- break;
- }
+ case 0x16: /* CMN reg and MSR reg to SPSR */
+ if (state->is_v5e) {
+ if (BIT (4) == 0 && BIT (7) == 1 && BITS (12, 15) == 0) {
+ /* ElSegundo SMULxy insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (8, 11)];
+ ARMword Rn = state->Reg[BITS (12, 15)];
+
+ if (BIT (5))
+ op1 >>= 16;
+ if (BIT (6))
+ op2 >>= 16;
+ op1 &= 0xFFFF;
+ op2 &= 0xFFFF;
+ if (op1 & 0x8000)
+ op1 -= 65536;
+ if (op2 & 0x8000)
+ op2 -= 65536;
+
+ state->Reg[BITS (16, 19)] = op1 * op2;
+ break;
+ }
+
+ if (BITS (4, 11) == 5) {
+ /* ElSegundo QDSUB insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ ARMword op2 = state->Reg[BITS (16, 19)];
+ ARMword op2d = op2 + op2;
+ ARMword result;
+
+ if (AddOverflow(op2, op2, op2d)) {
+ SETS;
+ op2d = POS (op2d) ? 0x80000000 : 0x7fffffff;
+ }
- if (BITS (4, 11) == 5) {
- /* ElSegundo QDSUB insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- ARMword op2 =
- state->
- Reg[BITS (16, 19)];
- ARMword op2d = op2 + op2;
- ARMword result;
-
- if (AddOverflow
- (op2, op2, op2d)) {
- SETS;
- op2d = POS (op2d) ?
- 0x80000000 :
- 0x7fffffff;
+ result = op1 - op2d;
+ if (SubOverflow(op1, op2d, result)) {
+ SETS;
+ result = POS (result) ? 0x80000000 : 0x7fffffff;
+ }
+
+ state->Reg[BITS (12, 15)] = result;
+ break;
}
+ }
- result = op1 - op2d;
- if (SubOverflow
- (op1, op2d, result)) {
- SETS;
- result = POS (result)
- ? 0x80000000 :
- 0x7fffffff;
+ if (state->is_v5) {
+ if (BITS (4, 11) == 0xF1
+ && BITS (16, 19) == 0xF) {
+ /* ARM5 CLZ insn. */
+ ARMword op1 = state->Reg[BITS (0, 3)];
+ int result = 32;
+
+ if (op1)
+ for (result = 0; (op1 & 0x80000000) == 0; op1 <<= 1)
+ result++;
+ state->Reg[BITS (12, 15)] = result;
+ break;
}
+ }
- state->Reg[BITS (12, 15)] =
- result;
+#ifdef MODET
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, write-back, down, pre indexed. */
+ SHPREDOWNWB ();
break;
}
- }
-
- if (state->is_v5) {
- if (BITS (4, 11) == 0xF1
- && BITS (16, 19) == 0xF) {
- /* ARM5 CLZ insn. */
- ARMword op1 =
- state->
- Reg[BITS (0, 3)];
- int result = 32;
-
- if (op1)
- for (result = 0;
- (op1 &
- 0x80000000) ==
- 0; op1 <<= 1)
- result++;
- state->Reg[BITS (12, 15)] =
- result;
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
break;
}
- }
-
-#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, write-back, down, pre indexed. */
- SHPREDOWNWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
#endif
- if (DESTReg == 15) {
- /* MSR */
- UNDEF_MSRPC;
- ARMul_FixSPSR (state, instr,
- DPRegRHS);
- }
- else {
- UNDEF_Test;
- }
- break;
+ if (DESTReg == 15) {
+ /* MSR */
+ UNDEF_MSRPC;
+ /*ARMul_FixSPSR (state, instr,
+ DPRegRHS);*/
+ } else {
+ UNDEF_Test;
+ }
+ break;
- case 0x17: /* CMNP reg */
+ case 0x17: /* CMNP reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, down, pre indexed. */
- LHPREDOWNWB ();
- /* Continue with remaining instruction decoding. */
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, write-back, down, pre indexed. */
+ LHPREDOWNWB ();
+ /* Continue with remaining instruction decoding. */
#endif
- if (DESTReg == 15) {
+ if (DESTReg == 15) {
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- rhs = DPRegRHS;
- temp = LHS + rhs;
- SETR15PSR (temp);
+ rhs = DPRegRHS;
+ temp = LHS + rhs;
+ SETR15PSR (temp);
#endif
- break;
- }
- else {
- /* CMN reg. */
- lhs = LHS;
- rhs = DPRegRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs,
- rhs, dest);
- ARMul_AddOverflow (state, lhs,
- rhs, dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
+ break;
+ } else {
+ /* CMN reg. */
+ lhs = LHS;
+ rhs = DPRegRHS;
+ dest = lhs + rhs;
+ ASSIGNZ (dest == 0);
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
}
- }
- break;
+ break;
- case 0x18: /* ORR reg */
+ case 0x18: /* ORR reg */
#ifdef MODET
- /* dyf add armv6 instr strex 2010.9.17 */
- if (state->is_v6) {
- if (BITS (4, 7) == 0x9)
- if (handle_v6_insn (state, instr))
- break;
- }
+ /* dyf add armv6 instr strex 2010.9.17 */
+ if (state->is_v6) {
+ if (BITS (4, 7) == 0x9)
+ if (handle_v6_insn (state, instr))
+ break;
+ }
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, no write-back, up, pre indexed. */
- SHPREUP ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, no write-back, up, pre indexed. */
+ SHPREUP ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- rhs = DPRegRHS;
- dest = LHS | rhs;
- WRITEDEST (dest);
- break;
+ rhs = DPRegRHS;
+ dest = LHS | rhs;
+ WRITEDEST (dest);
+ break;
- case 0x19: /* ORRS reg */
+ case 0x19: /* ORRS reg */
#ifdef MODET
- /* dyf add armv6 instr ldrex */
- if (state->is_v6) {
- if (BITS (4, 7) == 0x9) {
- if (handle_v6_insn (state, instr))
- break;
+ /* dyf add armv6 instr ldrex */
+ if (state->is_v6) {
+ if (BITS (4, 7) == 0x9) {
+ if (handle_v6_insn (state, instr))
+ break;
+ }
}
- }
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, no write-back, up, pre indexed. */
- LHPREUP ();
- /* Continue with remaining instruction decoding. */
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, no write-back, up, pre indexed. */
+ LHPREUP ();
+ /* Continue with remaining instruction decoding. */
#endif
- rhs = DPSRegRHS;
- dest = LHS | rhs;
- WRITESDEST (dest);
- break;
+ rhs = DPSRegRHS;
+ dest = LHS | rhs;
+ WRITESDEST (dest);
+ break;
- case 0x1a: /* MOV reg */
+ case 0x1a: /* MOV reg */
#ifdef MODET
- if (BITS (4, 11) == 0xB) {
- /* STRH register offset, write-back, up, pre indexed. */
- SHPREUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if (BITS (4, 11) == 0xB) {
+ /* STRH register offset, write-back, up, pre indexed. */
+ SHPREUPWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- dest = DPRegRHS;
- WRITEDEST (dest);
- break;
+ dest = DPRegRHS;
+ WRITEDEST (dest);
+ break;
- case 0x1b: /* MOVS reg */
+ case 0x1b: /* MOVS reg */
#ifdef MODET
- if ((BITS (4, 11) & 0xF9) == 0x9)
- /* LDR register offset, write-back, up, pre indexed. */
- LHPREUPWB ();
- /* Continue with remaining instruction decoding. */
+ if ((BITS (4, 11) & 0xF9) == 0x9)
+ /* LDR register offset, write-back, up, pre indexed. */
+ LHPREUPWB ();
+ /* Continue with remaining instruction decoding. */
#endif
- dest = DPSRegRHS;
- WRITESDEST (dest);
- break;
+ dest = DPSRegRHS;
+ WRITESDEST (dest);
+ break;
- case 0x1c: /* BIC reg */
+ case 0x1c: /* BIC reg */
#ifdef MODET
- /* dyf add for STREXB */
- if (state->is_v6) {
- if (BITS (4, 7) == 0x9) {
- if (handle_v6_insn (state, instr))
- break;
+ /* dyf add for STREXB */
+ if (state->is_v6) {
+ if (BITS (4, 7) == 0x9) {
+ if (handle_v6_insn (state, instr))
+ break;
+ }
+ }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, no write-back, up, pre indexed. */
+ SHPREUP ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ } else if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
}
- }
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, no write-back, up, pre indexed. */
- SHPREUP ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- else if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
#endif
- rhs = DPRegRHS;
- dest = LHS & ~rhs;
- WRITEDEST (dest);
- break;
-
- case 0x1d: /* BICS reg */
-#ifdef MODET
- /* ladsh P=1 U=1 W=0 L=1 S=1 H=1 */
- if (BITS(4, 7) == 0xF) {
- temp = LHS + GetLS7RHS (state, instr);
- LoadHalfWord (state, instr, temp, LSIGNED);
+ rhs = DPRegRHS;
+ dest = LHS & ~rhs;
+ WRITEDEST (dest);
break;
- }
- if (BITS (4, 7) == 0xb) {
- /* LDRH immediate offset, no write-back, up, pre indexed. */
- temp = LHS + GetLS7RHS (state, instr);
- LoadHalfWord (state, instr, temp, LUNSIGNED);
- break;
- }
- if (BITS (4, 7) == 0xd) {
- // alex-ykl fix: 2011-07-20 missing ldrsb instruction
- temp = LHS + GetLS7RHS (state, instr);
- LoadByte (state, instr, temp, LSIGNED);
- break;
- }
+ case 0x1d: /* BICS reg */
+#ifdef MODET
+ /* ladsh P=1 U=1 W=0 L=1 S=1 H=1 */
+ if (BITS(4, 7) == 0xF) {
+ temp = LHS + GetLS7RHS (state, instr);
+ LoadHalfWord (state, instr, temp, LSIGNED);
+ break;
- /* Continue with instruction decoding. */
- /*if ((BITS (4, 7) & 0x9) == 0x9) */
- if ((BITS (4, 7)) == 0x9) {
- /* ldrexb */
- if (state->is_v6) {
- if (handle_v6_insn (state, instr))
- break;
}
- /* LDR immediate offset, no write-back, up, pre indexed. */
- LHPREUP ();
+ if (BITS (4, 7) == 0xb) {
+ /* LDRH immediate offset, no write-back, up, pre indexed. */
+ temp = LHS + GetLS7RHS (state, instr);
+ LoadHalfWord (state, instr, temp, LUNSIGNED);
+ break;
+ }
+ if (BITS (4, 7) == 0xd) {
+ // alex-ykl fix: 2011-07-20 missing ldrsb instruction
+ temp = LHS + GetLS7RHS (state, instr);
+ LoadByte (state, instr, temp, LSIGNED);
+ break;
+ }
- }
+ /* Continue with instruction decoding. */
+ /*if ((BITS (4, 7) & 0x9) == 0x9) */
+ if ((BITS (4, 7)) == 0x9) {
+ /* ldrexb */
+ if (state->is_v6) {
+ if (handle_v6_insn (state, instr))
+ break;
+ }
+ /* LDR immediate offset, no write-back, up, pre indexed. */
+ LHPREUP ();
+
+ }
#endif
- rhs = DPSRegRHS;
- dest = LHS & ~rhs;
- WRITESDEST (dest);
- break;
+ rhs = DPSRegRHS;
+ dest = LHS & ~rhs;
+ WRITESDEST (dest);
+ break;
- case 0x1e: /* MVN reg */
+ case 0x1e: /* MVN reg */
#ifdef MODET
- if (BITS (4, 7) == 0xB) {
- /* STRH immediate offset, write-back, up, pre indexed. */
- SHPREUPWB ();
- break;
- }
- if (BITS (4, 7) == 0xD) {
- Handle_Load_Double (state, instr);
- break;
- }
- if (BITS (4, 7) == 0xF) {
- Handle_Store_Double (state, instr);
- break;
- }
+ if ((instr & 0x00000FF0) == 0x00000F90) { //if ((instr & 0x0FF00FF0) == 0x01e00f90) { //todo make that better ichfly
+ /* strexh ichfly */
+ u32 l = LHSReg;
+ u32 r = RHSReg;
+ lhs = LHS;
+
+ bool enter = false;
+
+ if (state->currentexval == (u32)ARMul_LoadHalfWord(state, state->currentexaddr))enter = true;
+
+
+ ARMul_StoreHalfWord(state, lhs, RHS);
+ //StoreWord(state, lhs, RHS)
+ if (state->Aborted) {
+ TAKEABORT;
+ }
+ if (enter)
+ {
+ state->Reg[DESTReg] = 0;
+ }
+ else
+ {
+ state->Reg[DESTReg] = 1;
+ }
+ break;
+ }
+ if (BITS (4, 7) == 0xB) {
+ /* STRH immediate offset, write-back, up, pre indexed. */
+ SHPREUPWB ();
+ break;
+ }
+ if (BITS (4, 7) == 0xD) {
+ Handle_Load_Double (state, instr);
+ break;
+ }
+ if (BITS (4, 7) == 0xF) {
+ Handle_Store_Double (state, instr);
+ break;
+ }
#endif
- dest = ~DPRegRHS;
- WRITEDEST (dest);
- break;
+ dest = ~DPRegRHS;
+ WRITEDEST (dest);
+ break;
- case 0x1f: /* MVNS reg */
+ case 0x1f: /* MVNS reg */
#ifdef MODET
- if ((BITS (4, 7) & 0x9) == 0x9)
- /* LDR immediate offset, write-back, up, pre indexed. */
- LHPREUPWB ();
- /* Continue instruction decoding. */
+
+ if ((instr & 0x00000FF0) == 0x00000F90) { //(instr & 0x0FF00FF0) == 0x01f00f90)//if ((instr & 0x0FF00FF0) == 0x01f00f90) {
+ /* ldrexh ichfly */
+ lhs = LHS;
+
+ state->currentexaddr = lhs;
+ state->currentexval = (u32)ARMul_LoadHalfWord(state, lhs);
+
+ LoadHalfWord(state, instr, lhs,0);
+ break;
+ }
+
+ if ((BITS (4, 7) & 0x9) == 0x9)
+ /* LDR immediate offset, write-back, up, pre indexed. */
+ LHPREUPWB ();
+ /* Continue instruction decoding. */
#endif
- dest = ~DPSRegRHS;
- WRITESDEST (dest);
- break;
+ dest = ~DPSRegRHS;
+ WRITESDEST (dest);
+ break;
/* Data Processing Immediate RHS Instructions. */
- case 0x20: /* AND immed */
- dest = LHS & DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x20: /* AND immed */
+ dest = LHS & DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x21: /* ANDS immed */
- DPSImmRHS;
- dest = LHS & rhs;
- WRITESDEST (dest);
- break;
+ case 0x21: /* ANDS immed */
+ DPSImmRHS;
+ dest = LHS & rhs;
+ WRITESDEST (dest);
+ break;
- case 0x22: /* EOR immed */
- dest = LHS ^ DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x22: /* EOR immed */
+ dest = LHS ^ DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x23: /* EORS immed */
- DPSImmRHS;
- dest = LHS ^ rhs;
- WRITESDEST (dest);
- break;
+ case 0x23: /* EORS immed */
+ DPSImmRHS;
+ dest = LHS ^ rhs;
+ WRITESDEST (dest);
+ break;
- case 0x24: /* SUB immed */
- dest = LHS - DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x24: /* SUB immed */
+ dest = LHS - DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x25: /* SUBS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs;
-
- if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs, rhs,
- dest);
- ARMul_SubOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ case 0x25: /* SUBS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs - rhs;
- case 0x26: /* RSB immed */
- dest = DPImmRHS - LHS;
- WRITEDEST (dest);
- break;
+ if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x27: /* RSBS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = rhs - lhs;
-
- if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, rhs, lhs,
- dest);
- ARMul_SubOverflow (state, rhs, lhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ case 0x26: /* RSB immed */
+ dest = DPImmRHS - LHS;
+ WRITEDEST (dest);
+ break;
- case 0x28: /* ADD immed */
- dest = LHS + DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x27: /* RSBS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = rhs - lhs;
- case 0x29: /* ADDS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
-
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs,
- dest);
- ARMul_AddOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, rhs, lhs, dest);
+ ARMul_SubOverflow (state, rhs, lhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x2a: /* ADC immed */
- dest = LHS + DPImmRHS + CFLAG;
- WRITEDEST (dest);
- break;
+ case 0x28: /* ADD immed */
+ dest = LHS + DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x2b: /* ADCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs + CFLAG;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs, rhs,
- dest);
- ARMul_AddOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ case 0x29: /* ADDS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs + rhs;
+ ASSIGNZ (dest == 0);
- case 0x2c: /* SBC immed */
- dest = LHS - DPImmRHS - !CFLAG;
- WRITEDEST (dest);
- break;
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x2d: /* SBCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs - !CFLAG;
- if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs, rhs,
- dest);
- ARMul_SubOverflow (state, lhs, rhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ case 0x2a: /* ADC immed */
+ dest = LHS + DPImmRHS + CFLAG;
+ WRITEDEST (dest);
+ break;
- case 0x2e: /* RSC immed */
- dest = DPImmRHS - LHS - !CFLAG;
- WRITEDEST (dest);
- break;
+ case 0x2b: /* ADCS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs + rhs + CFLAG;
+ ASSIGNZ (dest == 0);
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
+ break;
- case 0x2f: /* RSCS immed */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = rhs - lhs - !CFLAG;
- if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, rhs, lhs,
- dest);
- ARMul_SubOverflow (state, rhs, lhs,
- dest);
- }
- else {
- CLEARC;
- CLEARV;
- }
- WRITESDEST (dest);
- break;
+ case 0x2c: /* SBC immed */
+ dest = LHS - DPImmRHS - !CFLAG;
+ WRITEDEST (dest);
+ break;
- case 0x30: /* TST immed */
- /* shenoubang 2012-3-14*/
- if (state->is_v6) { /* movw, ARMV6, ARMv7 */
- dest ^= dest;
- dest = BITS(16, 19);
- dest = ((dest<<12) | BITS(0, 11));
- WRITEDEST(dest);
- //SKYEYE_DBG("In %s, line = %d, pc = 0x%x, instr = 0x%x, R[0:11]: 0x%x, R[16:19]: 0x%x, R[%d]:0x%x\n",
- // __func__, __LINE__, pc, instr, BITS(0, 11), BITS(16, 19), DESTReg, state->Reg[DESTReg]);
+ case 0x2d: /* SBCS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs - rhs - !CFLAG;
+ if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
break;
- }
- else {
- UNDEF_Test;
+
+ case 0x2e: /* RSC immed */
+ dest = DPImmRHS - LHS - !CFLAG;
+ WRITEDEST (dest);
+ break;
+
+ case 0x2f: /* RSCS immed */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = rhs - lhs - !CFLAG;
+ if ((rhs >= lhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, rhs, lhs, dest);
+ ARMul_SubOverflow (state, rhs, lhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
+ WRITESDEST (dest);
break;
- }
- case 0x31: /* TSTP immed */
- if (DESTReg == 15) {
- /* TSTP immed. */
+ case 0x30: /* TST immed */
+ /* shenoubang 2012-3-14*/
+ if (state->is_v6) { /* movw, ARMV6, ARMv7 */
+ dest ^= dest;
+ dest = BITS(16, 19);
+ dest = ((dest<<12) | BITS(0, 11));
+ WRITEDEST(dest);
+ //SKYEYE_DBG("In %s, line = %d, pc = 0x%x, instr = 0x%x, R[0:11]: 0x%x, R[16:19]: 0x%x, R[%d]:0x%x\n",
+ // __func__, __LINE__, pc, instr, BITS(0, 11), BITS(16, 19), DESTReg, state->Reg[DESTReg]);
+ break;
+ } else {
+ UNDEF_Test;
+ break;
+ }
+
+ case 0x31: /* TSTP immed */
+ if (DESTReg == 15) {
+ /* TSTP immed. */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- temp = LHS & DPImmRHS;
- SETR15PSR (temp);
+ temp = LHS & DPImmRHS;
+ SETR15PSR (temp);
#endif
- }
- else {
- /* TST immed. */
- DPSImmRHS;
- dest = LHS & rhs;
- ARMul_NegZero (state, dest);
- }
- break;
+ } else {
+ /* TST immed. */
+ DPSImmRHS;
+ dest = LHS & rhs;
+ ARMul_NegZero (state, dest);
+ }
+ break;
- case 0x32: /* TEQ immed and MSR immed to CPSR */
- if (DESTReg == 15)
- /* MSR immed to CPSR. */
- ARMul_FixCPSR (state, instr,
- DPImmRHS);
- else
- UNDEF_Test;
- break;
+ case 0x32: /* TEQ immed and MSR immed to CPSR */
+ if (DESTReg == 15)
+ /* MSR immed to CPSR. */
+ ARMul_FixCPSR (state, instr,
+ DPImmRHS);
+ else
+ UNDEF_Test;
+ break;
- case 0x33: /* TEQP immed */
- if (DESTReg == 15) {
- /* TEQP immed. */
+ case 0x33: /* TEQP immed */
+ if (DESTReg == 15) {
+ /* TEQP immed. */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- temp = LHS ^ DPImmRHS;
- SETR15PSR (temp);
+ temp = LHS ^ DPImmRHS;
+ SETR15PSR (temp);
#endif
- }
- else {
- DPSImmRHS; /* TEQ immed */
- dest = LHS ^ rhs;
- ARMul_NegZero (state, dest);
- }
- break;
+ } else {
+ DPSImmRHS; /* TEQ immed */
+ dest = LHS ^ rhs;
+ ARMul_NegZero (state, dest);
+ }
+ break;
- case 0x34: /* CMP immed */
- UNDEF_Test;
- break;
+ case 0x34: /* CMP immed */
+ UNDEF_Test;
+ break;
- case 0x35: /* CMPP immed */
- if (DESTReg == 15) {
- /* CMPP immed. */
+ case 0x35: /* CMPP immed */
+ if (DESTReg == 15) {
+ /* CMPP immed. */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- temp = LHS - DPImmRHS;
- SETR15PSR (temp);
+ temp = LHS - DPImmRHS;
+ SETR15PSR (temp);
#endif
- break;
- }
- else {
- /* CMP immed. */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs - rhs;
- ARMul_NegZero (state, dest);
+ break;
+ } else {
+ /* CMP immed. */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs - rhs;
+ ARMul_NegZero (state, dest);
- if ((lhs >= rhs)
- || ((rhs | lhs) >> 31)) {
- ARMul_SubCarry (state, lhs,
- rhs, dest);
- ARMul_SubOverflow (state, lhs,
- rhs, dest);
- }
- else {
- CLEARC;
- CLEARV;
+ if ((lhs >= rhs) || ((rhs | lhs) >> 31)) {
+ ARMul_SubCarry (state, lhs, rhs, dest);
+ ARMul_SubOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARC;
+ CLEARV;
+ }
}
- }
- break;
+ break;
- case 0x36: /* CMN immed and MSR immed to SPSR */
- if (DESTReg == 15)
- ARMul_FixSPSR (state, instr,
- DPImmRHS);
- else
+ case 0x36: /* CMN immed and MSR immed to SPSR */
+ //if (DESTReg == 15)
+ /*ARMul0_FixSPSR (state, instr,
+ DPImmRHS);*/
+ //else
UNDEF_Test;
- break;
+ break;
- case 0x37: /* CMNP immed. */
- if (DESTReg == 15) {
- /* CMNP immed. */
+ case 0x37: /* CMNP immed. */
+ if (DESTReg == 15) {
+ /* CMNP immed. */
#ifdef MODE32
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
#else
- temp = LHS + DPImmRHS;
- SETR15PSR (temp);
+ temp = LHS + DPImmRHS;
+ SETR15PSR (temp);
#endif
- break;
- }
- else {
- /* CMN immed. */
- lhs = LHS;
- rhs = DPImmRHS;
- dest = lhs + rhs;
- ASSIGNZ (dest == 0);
- if ((lhs | rhs) >> 30) {
- /* Possible C,V,N to set. */
- ASSIGNN (NEG (dest));
- ARMul_AddCarry (state, lhs,
- rhs, dest);
- ARMul_AddOverflow (state, lhs,
- rhs, dest);
- }
- else {
- CLEARN;
- CLEARC;
- CLEARV;
+ break;
+ } else {
+ /* CMN immed. */
+ lhs = LHS;
+ rhs = DPImmRHS;
+ dest = lhs + rhs;
+ ASSIGNZ (dest == 0);
+ if ((lhs | rhs) >> 30) {
+ /* Possible C,V,N to set. */
+ ASSIGNN (NEG (dest));
+ ARMul_AddCarry (state, lhs, rhs, dest);
+ ARMul_AddOverflow (state, lhs, rhs, dest);
+ } else {
+ CLEARN;
+ CLEARC;
+ CLEARV;
+ }
}
- }
- break;
+ break;
- case 0x38: /* ORR immed. */
- dest = LHS | DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x38: /* ORR immed. */
+ dest = LHS | DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x39: /* ORRS immed. */
- DPSImmRHS;
- dest = LHS | rhs;
- WRITESDEST (dest);
- break;
+ case 0x39: /* ORRS immed. */
+ DPSImmRHS;
+ dest = LHS | rhs;
+ WRITESDEST (dest);
+ break;
- case 0x3a: /* MOV immed. */
- dest = DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x3a: /* MOV immed. */
+ dest = DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x3b: /* MOVS immed. */
- DPSImmRHS;
- WRITESDEST (rhs);
- break;
+ case 0x3b: /* MOVS immed. */
+ DPSImmRHS;
+ WRITESDEST (rhs);
+ break;
- case 0x3c: /* BIC immed. */
- dest = LHS & ~DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x3c: /* BIC immed. */
+ dest = LHS & ~DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x3d: /* BICS immed. */
- DPSImmRHS;
- dest = LHS & ~rhs;
- WRITESDEST (dest);
- break;
+ case 0x3d: /* BICS immed. */
+ DPSImmRHS;
+ dest = LHS & ~rhs;
+ WRITESDEST (dest);
+ break;
- case 0x3e: /* MVN immed. */
- dest = ~DPImmRHS;
- WRITEDEST (dest);
- break;
+ case 0x3e: /* MVN immed. */
+ dest = ~DPImmRHS;
+ WRITEDEST (dest);
+ break;
- case 0x3f: /* MVNS immed. */
- DPSImmRHS;
- WRITESDEST (~rhs);
- break;
+ case 0x3f: /* MVNS immed. */
+ DPSImmRHS;
+ WRITESDEST (~rhs);
+ break;
/* Single Data Transfer Immediate RHS Instructions. */
- case 0x40: /* Store Word, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
+ case 0x40: /* Store Word, No WriteBack, Post Dec, Immed. */
+ lhs = LHS;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs - LSImmRHS;
+ break;
- case 0x41: /* Load Word, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
+ case 0x41: /* Load Word, No WriteBack, Post Dec, Immed. */
+ lhs = LHS;
+ if (LoadWord (state, instr, lhs))
+ LSBase = lhs - LSImmRHS;
+ break;
- case 0x42: /* Store Word, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- temp = lhs - LSImmRHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x42: /* Store Word, WriteBack, Post Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ temp = lhs - LSImmRHS;
+ state->NtransSig = LOW;
+ if (StoreWord (state, instr, lhs))
+ LSBase = temp;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x43: /* Load Word, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x43: /* Load Word, WriteBack, Post Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (LoadWord (state, instr, lhs))
+ LSBase = lhs - LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- break;
+ case 0x44: /* Store Byte, No WriteBack, Post Dec, Immed. */
+ lhs = LHS;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs - LSImmRHS;
+ break;
- case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed. */
- lhs = LHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs - LSImmRHS;
- break;
+ case 0x45: /* Load Byte, No WriteBack, Post Dec, Immed. */
+ lhs = LHS;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = lhs - LSImmRHS;
+ break;
- case 0x46: /* Store Byte, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x46: /* Store Byte, WriteBack, Post Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs - LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x47: /* Load Byte, WriteBack, Post Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs - LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x47: /* Load Byte, WriteBack, Post Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = lhs - LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x48: /* Store Word, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
+ case 0x48: /* Store Word, No WriteBack, Post Inc, Immed. */
+ lhs = LHS;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ break;
- case 0x49: /* Load Word, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
+ case 0x49: /* Load Word, No WriteBack, Post Inc, Immed. */
+ lhs = LHS;
+ if (LoadWord (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ break;
- case 0x4a: /* Store Word, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x4a: /* Store Word, WriteBack, Post Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x4b: /* Load Word, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x4b: /* Load Word, WriteBack, Post Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (LoadWord (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- break;
+ case 0x4c: /* Store Byte, No WriteBack, Post Inc, Immed. */
+ lhs = LHS;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ break;
- case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed. */
- lhs = LHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs + LSImmRHS;
- break;
+ case 0x4d: /* Load Byte, No WriteBack, Post Inc, Immed. */
+ lhs = LHS;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = lhs + LSImmRHS;
+ break;
- case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x4e: /* Store Byte, WriteBack, Post Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs + LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = lhs + LSImmRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
+ case 0x4f: /* Load Byte, WriteBack, Post Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = lhs + LSImmRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ break;
- case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed. */
- (void) StoreWord (state, instr,
- LHS - LSImmRHS);
- break;
+ case 0x50: /* Store Word, No WriteBack, Pre Dec, Immed. */
+ (void) StoreWord (state, instr, LHS - LSImmRHS);
+ break;
- case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed. */
- (void) LoadWord (state, instr,
- LHS - LSImmRHS);
- break;
+ case 0x51: /* Load Word, No WriteBack, Pre Dec, Immed. */
+ (void) LoadWord (state, instr, LHS - LSImmRHS);
+ break;
- case 0x52: /* Store Word, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x52: /* Store Word, WriteBack, Pre Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS - LSImmRHS;
+ if (StoreWord (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x53: /* Load Word, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x53: /* Load Word, WriteBack, Pre Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS - LSImmRHS;
+ if (LoadWord (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed. */
- (void) StoreByte (state, instr,
- LHS - LSImmRHS);
- break;
+ case 0x54: /* Store Byte, No WriteBack, Pre Dec, Immed. */
+ (void) StoreByte (state, instr, LHS - LSImmRHS);
+ break;
- case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed. */
- (void) LoadByte (state, instr, LHS - LSImmRHS,
- LUNSIGNED);
- break;
+ case 0x55: /* Load Byte, No WriteBack, Pre Dec, Immed. */
+ (void) LoadByte (state, instr, LHS - LSImmRHS, LUNSIGNED);
+ break;
- case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x56: /* Store Byte, WriteBack, Pre Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS - LSImmRHS;
+ if (StoreByte (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS - LSImmRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
+ case 0x57: /* Load Byte, WriteBack, Pre Dec, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS - LSImmRHS;
+ if (LoadByte (state, instr, temp, LUNSIGNED))
+ LSBase = temp;
+ break;
- case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed. */
- (void) StoreWord (state, instr,
- LHS + LSImmRHS);
- break;
+ case 0x58: /* Store Word, No WriteBack, Pre Inc, Immed. */
+ (void) StoreWord (state, instr, LHS + LSImmRHS);
+ break;
- case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed. */
- (void) LoadWord (state, instr,
- LHS + LSImmRHS);
- break;
+ case 0x59: /* Load Word, No WriteBack, Pre Inc, Immed. */
+ (void) LoadWord (state, instr, LHS + LSImmRHS);
+ break;
- case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x5a: /* Store Word, WriteBack, Pre Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS + LSImmRHS;
+ if (StoreWord (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x5b: /* Load Word, WriteBack, Pre Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS + LSImmRHS;
+ if (LoadWord (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed. */
- (void) StoreByte (state, instr,
- LHS + LSImmRHS);
- break;
+ case 0x5c: /* Store Byte, No WriteBack, Pre Inc, Immed. */
+ (void) StoreByte (state, instr, LHS + LSImmRHS);
+ break;
- case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed. */
- (void) LoadByte (state, instr, LHS + LSImmRHS,
- LUNSIGNED);
- break;
+ case 0x5d: /* Load Byte, No WriteBack, Pre Inc, Immed. */
+ (void) LoadByte (state, instr, LHS + LSImmRHS, LUNSIGNED);
+ break;
- case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
+ case 0x5e: /* Store Byte, WriteBack, Pre Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS + LSImmRHS;
+ if (StoreByte (state, instr, temp))
+ LSBase = temp;
+ break;
- case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed. */
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- temp = LHS + LSImmRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
+ case 0x5f: /* Load Byte, WriteBack, Pre Inc, Immed. */
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ temp = LHS + LSImmRHS;
+ if (LoadByte (state, instr, temp, LUNSIGNED))
+ LSBase = temp;
+ break;
/* Single Data Transfer Register RHS Instructions. */
- case 0x60: /* Store Word, No WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x60: /* Store Word, No WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs - LSRegRHS;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- break;
- case 0x61: /* Load Word, No WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x61: /* Load Word, No WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs - LSRegRHS;
+ if (LoadWord (state, instr, lhs))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- break;
- case 0x62: /* Store Word, WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x62: /* Store Word, WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs - LSRegRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x63: /* Load Word, WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x63: /* Load Word, WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs - LSRegRHS;
+ state->NtransSig = LOW;
+ if (LoadWord (state, instr, lhs))
+ LSBase = temp;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x64: /* Store Byte, No WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs - LSRegRHS;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- break;
- case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x65: /* Load Byte, No WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs - LSRegRHS;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- break;
- case 0x66: /* Store Byte, WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x66: /* Store Byte, WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs - LSRegRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs - LSRegRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x67: /* Load Byte, WriteBack, Post Dec, Reg. */
- if (BIT (4)) {
+ case 0x67: /* Load Byte, WriteBack, Post Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs - LSRegRHS;
+ state->NtransSig = LOW;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = temp;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs - LSRegRHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x68: /* Store Word, No WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
+ case 0x68: /* Store Word, No WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs + LSRegRHS;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- break;
- case 0x69: /* Load Word, No WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x69: /* Load Word, No WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs + LSRegRHS;
+ if (LoadWord (state, instr, lhs))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- break;
- case 0x6a: /* Store Word, WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
+ case 0x6a: /* Store Word, WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreWord (state, instr, lhs))
+ LSBase = lhs + LSRegRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreWord (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x6b: /* Load Word, WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
+ case 0x6b: /* Load Word, WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs + LSRegRHS;
+ state->NtransSig = LOW;
+ if (LoadWord (state, instr, lhs))
+ LSBase = temp;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- state->NtransSig = LOW;
- if (LoadWord (state, instr, lhs))
- LSBase = temp;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
+ case 0x6c: /* Store Byte, No WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs + LSRegRHS;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- break;
- case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x6d: /* Load Byte, No WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs + LSRegRHS;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- break;
- case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg. */
+ case 0x6e: /* Store Byte, WriteBack, Post Inc, Reg. */
#if 0
- if (state->is_v6) {
- int Rm = 0;
- /* utxb */
- if (BITS(15, 19) == 0xf && BITS(4, 7) == 0x7) {
+ if (state->is_v6) {
+ int Rm = 0;
+ /* utxb */
+ if (BITS(15, 19) == 0xf && BITS(4, 7) == 0x7) {
- Rm = (RHS >> (8 * BITS(10, 11))) & 0xff;
- DEST = Rm;
- }
+ Rm = (RHS >> (8 * BITS(10, 11))) & 0xff;
+ DEST = Rm;
+ }
- }
+ }
#endif
- if (BIT (4)) {
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ state->NtransSig = LOW;
+ if (StoreByte (state, instr, lhs))
+ LSBase = lhs + LSRegRHS;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- state->NtransSig = LOW;
- if (StoreByte (state, instr, lhs))
- LSBase = lhs + LSRegRHS;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg. */
- if (BIT (4)) {
+ case 0x6f: /* Load Byte, WriteBack, Post Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6
+ && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ lhs = LHS;
+ temp = lhs + LSRegRHS;
+ state->NtransSig = LOW;
+ if (LoadByte (state, instr, lhs, LUNSIGNED))
+ LSBase = temp;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- lhs = LHS;
- temp = lhs + LSRegRHS;
- state->NtransSig = LOW;
- if (LoadByte (state, instr, lhs, LUNSIGNED))
- LSBase = temp;
- state->NtransSig =
- (state->Mode & 3) ? HIGH : LOW;
- break;
- case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
+ case 0x70: /* Store Word, No WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) StoreWord (state, instr, LHS - LSRegRHS);
break;
- }
- (void) StoreWord (state, instr,
- LHS - LSRegRHS);
- break;
- case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x71: /* Load Word, No WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) LoadWord (state, instr, LHS - LSRegRHS);
break;
- }
- (void) LoadWord (state, instr,
- LHS - LSRegRHS);
- break;
- case 0x72: /* Store Word, WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x72: /* Store Word, WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS - LSRegRHS;
+ if (StoreWord (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
- case 0x73: /* Load Word, WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x73: /* Load Word, WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS - LSRegRHS;
+ if (LoadWord (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
- case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
+ case 0x74: /* Store Byte, No WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) StoreByte (state, instr, LHS - LSRegRHS);
break;
- }
- (void) StoreByte (state, instr,
- LHS - LSRegRHS);
- break;
- case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
+ case 0x75: /* Load Byte, No WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
-
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) LoadByte (state, instr, LHS - LSRegRHS, LUNSIGNED);
break;
- }
- (void) LoadByte (state, instr, LHS - LSRegRHS,
- LUNSIGNED);
- break;
- case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x76: /* Store Byte, WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS - LSRegRHS;
+ if (StoreByte (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
- case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x77: /* Load Byte, WriteBack, Pre Dec, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS - LSRegRHS;
+ if (LoadByte (state, instr, temp, LUNSIGNED))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS - LSRegRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
- case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
+ case 0x78: /* Store Word, No WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) StoreWord (state, instr, LHS + LSRegRHS);
break;
- }
- (void) StoreWord (state, instr,
- LHS + LSRegRHS);
- break;
- case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x79: /* Load Word, No WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) LoadWord (state, instr, LHS + LSRegRHS);
break;
- }
- (void) LoadWord (state, instr,
- LHS + LSRegRHS);
- break;
- case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
+ case 0x7a: /* Store Word, WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS + LSRegRHS;
+ if (StoreWord (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (StoreWord (state, instr, temp))
- LSBase = temp;
- break;
- case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x7b: /* Load Word, WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS + LSRegRHS;
+ if (LoadWord (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (LoadWord (state, instr, temp))
- LSBase = temp;
- break;
- case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
+ case 0x7c: /* Store Byte, No WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
#ifdef MODE32
- if (state->is_v6
- && handle_v6_insn (state, instr))
- break;
+ if (state->is_v6 && handle_v6_insn (state, instr))
+ break;
#endif
- ARMul_UndefInstr (state, instr);
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) StoreByte (state, instr, LHS + LSRegRHS);
break;
- }
- (void) StoreByte (state, instr,
- LHS + LSRegRHS);
- break;
- case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x7d: /* Load Byte, No WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ (void) LoadByte (state, instr, LHS + LSRegRHS, LUNSIGNED);
break;
- }
- (void) LoadByte (state, instr, LHS + LSRegRHS,
- LUNSIGNED);
- break;
- case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
- ARMul_UndefInstr (state, instr);
+ case 0x7e: /* Store Byte, WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
+ ARMul_UndefInstr (state, instr);
+ break;
+ }
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS + LSRegRHS;
+ if (StoreByte (state, instr, temp))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (StoreByte (state, instr, temp))
- LSBase = temp;
- break;
- case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg. */
- if (BIT (4)) {
- /* Check for the special breakpoint opcode.
- This value should correspond to the value defined
- as ARM_BE_BREAKPOINT in gdb/arm/tm-arm.h. */
- if (BITS (0, 19) == 0xfdefe) {
- if (!ARMul_OSHandleSWI
- (state, SWI_Breakpoint))
- ARMul_Abort (state,
- ARMul_SWIV);
+ case 0x7f: /* Load Byte, WriteBack, Pre Inc, Reg. */
+ if (BIT (4)) {
+ DEBUG("got unhandled special breakpoint\n");
+ return 1;
}
- else
- ARMul_UndefInstr (state,
- instr);
+ UNDEF_LSRBaseEQOffWb;
+ UNDEF_LSRBaseEQDestWb;
+ UNDEF_LSRPCBaseWb;
+ UNDEF_LSRPCOffWb;
+ temp = LHS + LSRegRHS;
+ if (LoadByte (state, instr, temp, LUNSIGNED))
+ LSBase = temp;
break;
- }
- UNDEF_LSRBaseEQOffWb;
- UNDEF_LSRBaseEQDestWb;
- UNDEF_LSRPCBaseWb;
- UNDEF_LSRPCOffWb;
- temp = LHS + LSRegRHS;
- if (LoadByte (state, instr, temp, LUNSIGNED))
- LSBase = temp;
- break;
/* Multiple Data Transfer Instructions. */
- case 0x80: /* Store, No WriteBack, Post Dec. */
- STOREMULT (instr, LSBase - LSMNumRegs + 4L,
- 0L);
- break;
+ case 0x80: /* Store, No WriteBack, Post Dec. */
+ STOREMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
+ break;
- case 0x81: /* Load, No WriteBack, Post Dec. */
- LOADMULT (instr, LSBase - LSMNumRegs + 4L,
- 0L);
- break;
+ case 0x81: /* Load, No WriteBack, Post Dec. */
+ LOADMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
+ break;
- case 0x82: /* Store, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- STOREMULT (instr, temp + 4L, temp);
- break;
+ case 0x82: /* Store, WriteBack, Post Dec. */
+ temp = LSBase - LSMNumRegs;
+ STOREMULT (instr, temp + 4L, temp);
+ break;
- case 0x83: /* Load, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- LOADMULT (instr, temp + 4L, temp);
- break;
+ case 0x83: /* Load, WriteBack, Post Dec. */
+ temp = LSBase - LSMNumRegs;
+ LOADMULT (instr, temp + 4L, temp);
+ break;
- case 0x84: /* Store, Flags, No WriteBack, Post Dec. */
- STORESMULT (instr, LSBase - LSMNumRegs + 4L,
- 0L);
- break;
+ case 0x84: /* Store, Flags, No WriteBack, Post Dec. */
+ STORESMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
+ break;
- case 0x85: /* Load, Flags, No WriteBack, Post Dec. */
- LOADSMULT (instr, LSBase - LSMNumRegs + 4L,
- 0L);
- break;
+ case 0x85: /* Load, Flags, No WriteBack, Post Dec. */
+ LOADSMULT (instr, LSBase - LSMNumRegs + 4L, 0L);
+ break;
- case 0x86: /* Store, Flags, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- STORESMULT (instr, temp + 4L, temp);
- break;
+ case 0x86: /* Store, Flags, WriteBack, Post Dec. */
+ temp = LSBase - LSMNumRegs;
+ STORESMULT (instr, temp + 4L, temp);
+ break;
- case 0x87: /* Load, Flags, WriteBack, Post Dec. */
- temp = LSBase - LSMNumRegs;
- LOADSMULT (instr, temp + 4L, temp);
- break;
+ case 0x87: /* Load, Flags, WriteBack, Post Dec. */
+ temp = LSBase - LSMNumRegs;
+ LOADSMULT (instr, temp + 4L, temp);
+ break;
- case 0x88: /* Store, No WriteBack, Post Inc. */
- STOREMULT (instr, LSBase, 0L);
- break;
+ case 0x88: /* Store, No WriteBack, Post Inc. */
+ STOREMULT (instr, LSBase, 0L);
+ break;
- case 0x89: /* Load, No WriteBack, Post Inc. */
- LOADMULT (instr, LSBase, 0L);
- break;
+ case 0x89: /* Load, No WriteBack, Post Inc. */
+ LOADMULT (instr, LSBase, 0L);
+ break;
- case 0x8a: /* Store, WriteBack, Post Inc. */
- temp = LSBase;
- STOREMULT (instr, temp, temp + LSMNumRegs);
- break;
+ case 0x8a: /* Store, WriteBack, Post Inc. */
+ temp = LSBase;
+ STOREMULT (instr, temp, temp + LSMNumRegs);
+ break;
- case 0x8b: /* Load, WriteBack, Post Inc. */
- temp = LSBase;
- LOADMULT (instr, temp, temp + LSMNumRegs);
- break;
+ case 0x8b: /* Load, WriteBack, Post Inc. */
+ temp = LSBase;
+ LOADMULT (instr, temp, temp + LSMNumRegs);
+ break;
- case 0x8c: /* Store, Flags, No WriteBack, Post Inc. */
- STORESMULT (instr, LSBase, 0L);
- break;
+ case 0x8c: /* Store, Flags, No WriteBack, Post Inc. */
+ STORESMULT (instr, LSBase, 0L);
+ break;
- case 0x8d: /* Load, Flags, No WriteBack, Post Inc. */
- LOADSMULT (instr, LSBase, 0L);
- break;
+ case 0x8d: /* Load, Flags, No WriteBack, Post Inc. */
+ LOADSMULT (instr, LSBase, 0L);
+ break;
- case 0x8e: /* Store, Flags, WriteBack, Post Inc. */
- temp = LSBase;
- STORESMULT (instr, temp, temp + LSMNumRegs);
- break;
+ case 0x8e: /* Store, Flags, WriteBack, Post Inc. */
+ temp = LSBase;
+ STORESMULT (instr, temp, temp + LSMNumRegs);
+ break;
- case 0x8f: /* Load, Flags, WriteBack, Post Inc. */
- temp = LSBase;
- LOADSMULT (instr, temp, temp + LSMNumRegs);
- break;
+ case 0x8f: /* Load, Flags, WriteBack, Post Inc. */
+ temp = LSBase;
+ LOADSMULT (instr, temp, temp + LSMNumRegs);
+ break;
- case 0x90: /* Store, No WriteBack, Pre Dec. */
- STOREMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
+ case 0x90: /* Store, No WriteBack, Pre Dec. */
+ STOREMULT (instr, LSBase - LSMNumRegs, 0L);
+ break;
- case 0x91: /* Load, No WriteBack, Pre Dec. */
- LOADMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
+ case 0x91: /* Load, No WriteBack, Pre Dec. */
+ LOADMULT (instr, LSBase - LSMNumRegs, 0L);
+ break;
- case 0x92: /* Store, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- STOREMULT (instr, temp, temp);
- break;
+ case 0x92: /* Store, WriteBack, Pre Dec. */
+ temp = LSBase - LSMNumRegs;
+ STOREMULT (instr, temp, temp);
+ break;
- case 0x93: /* Load, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- LOADMULT (instr, temp, temp);
- break;
+ case 0x93: /* Load, WriteBack, Pre Dec. */
+ temp = LSBase - LSMNumRegs;
+ LOADMULT (instr, temp, temp);
+ break;
- case 0x94: /* Store, Flags, No WriteBack, Pre Dec. */
- STORESMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
+ case 0x94: /* Store, Flags, No WriteBack, Pre Dec. */
+ STORESMULT (instr, LSBase - LSMNumRegs, 0L);
+ break;
- case 0x95: /* Load, Flags, No WriteBack, Pre Dec. */
- LOADSMULT (instr, LSBase - LSMNumRegs, 0L);
- break;
+ case 0x95: /* Load, Flags, No WriteBack, Pre Dec. */
+ LOADSMULT (instr, LSBase - LSMNumRegs, 0L);
+ break;
- case 0x96: /* Store, Flags, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- STORESMULT (instr, temp, temp);
- break;
+ case 0x96: /* Store, Flags, WriteBack, Pre Dec. */
+ temp = LSBase - LSMNumRegs;
+ STORESMULT (instr, temp, temp);
+ break;
- case 0x97: /* Load, Flags, WriteBack, Pre Dec. */
- temp = LSBase - LSMNumRegs;
- LOADSMULT (instr, temp, temp);
- break;
+ case 0x97: /* Load, Flags, WriteBack, Pre Dec. */
+ temp = LSBase - LSMNumRegs;
+ LOADSMULT (instr, temp, temp);
+ break;
- case 0x98: /* Store, No WriteBack, Pre Inc. */
- STOREMULT (instr, LSBase + 4L, 0L);
- break;
+ case 0x98: /* Store, No WriteBack, Pre Inc. */
+ STOREMULT (instr, LSBase + 4L, 0L);
+ break;
- case 0x99: /* Load, No WriteBack, Pre Inc. */
- LOADMULT (instr, LSBase + 4L, 0L);
- break;
+ case 0x99: /* Load, No WriteBack, Pre Inc. */
+ LOADMULT (instr, LSBase + 4L, 0L);
+ break;
- case 0x9a: /* Store, WriteBack, Pre Inc. */
- temp = LSBase;
- STOREMULT (instr, temp + 4L,
- temp + LSMNumRegs);
- break;
+ case 0x9a: /* Store, WriteBack, Pre Inc. */
+ temp = LSBase;
+ STOREMULT (instr, temp + 4L, temp + LSMNumRegs);
+ break;
- case 0x9b: /* Load, WriteBack, Pre Inc. */
- temp = LSBase;
- LOADMULT (instr, temp + 4L,
- temp + LSMNumRegs);
- break;
+ case 0x9b: /* Load, WriteBack, Pre Inc. */
+ temp = LSBase;
+ LOADMULT (instr, temp + 4L, temp + LSMNumRegs);
+ break;
- case 0x9c: /* Store, Flags, No WriteBack, Pre Inc. */
- STORESMULT (instr, LSBase + 4L, 0L);
- break;
+ case 0x9c: /* Store, Flags, No WriteBack, Pre Inc. */
+ STORESMULT (instr, LSBase + 4L, 0L);
+ break;
- case 0x9d: /* Load, Flags, No WriteBack, Pre Inc. */
- LOADSMULT (instr, LSBase + 4L, 0L);
- break;
+ case 0x9d: /* Load, Flags, No WriteBack, Pre Inc. */
+ LOADSMULT (instr, LSBase + 4L, 0L);
+ break;
- case 0x9e: /* Store, Flags, WriteBack, Pre Inc. */
- temp = LSBase;
- STORESMULT (instr, temp + 4L,
- temp + LSMNumRegs);
- break;
+ case 0x9e: /* Store, Flags, WriteBack, Pre Inc. */
+ temp = LSBase;
+ STORESMULT (instr, temp + 4L, temp + LSMNumRegs);
+ break;
- case 0x9f: /* Load, Flags, WriteBack, Pre Inc. */
- temp = LSBase;
- LOADSMULT (instr, temp + 4L,
- temp + LSMNumRegs);
- break;
+ case 0x9f: /* Load, Flags, WriteBack, Pre Inc. */
+ temp = LSBase;
+ LOADSMULT (instr, temp + 4L, temp + LSMNumRegs);
+ break;
/* Branch forward. */
- case 0xa0:
- case 0xa1:
- case 0xa2:
- case 0xa3:
- case 0xa4:
- case 0xa5:
- case 0xa6:
- case 0xa7:
- state->Reg[15] = pc + 8 + POSBRANCH;
- FLUSHPIPE;
- break;
+ case 0xa0:
+ case 0xa1:
+ case 0xa2:
+ case 0xa3:
+ case 0xa4:
+ case 0xa5:
+ case 0xa6:
+ case 0xa7:
+ state->Reg[15] = pc + 8 + POSBRANCH;
+ FLUSHPIPE;
+ break;
/* Branch backward. */
- case 0xa8:
- case 0xa9:
- case 0xaa:
- case 0xab:
- case 0xac:
- case 0xad:
- case 0xae:
- case 0xaf:
- state->Reg[15] = pc + 8 + NEGBRANCH;
- FLUSHPIPE;
- break;
+ case 0xa8:
+ case 0xa9:
+ case 0xaa:
+ case 0xab:
+ case 0xac:
+ case 0xad:
+ case 0xae:
+ case 0xaf:
+ state->Reg[15] = pc + 8 + NEGBRANCH;
+ FLUSHPIPE;
+ break;
/* Branch and Link forward. */
- case 0xb0:
- case 0xb1:
- case 0xb2:
- case 0xb3:
- case 0xb4:
- case 0xb5:
- case 0xb6:
- case 0xb7:
- /* Put PC into Link. */
+ case 0xb0:
+ case 0xb1:
+ case 0xb2:
+ case 0xb3:
+ case 0xb4:
+ case 0xb5:
+ case 0xb6:
+ case 0xb7:
+
+ /* Put PC into Link. */
#ifdef MODE32
- state->Reg[14] = pc + 4;
+ state->Reg[14] = pc + 4;
#else
- state->Reg[14] =
- (pc + 4) | ECC | ER15INT | EMODE;
+ state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
#endif
- state->Reg[15] = pc + 8 + POSBRANCH;
- FLUSHPIPE;
- break;
+ state->Reg[15] = pc + 8 + POSBRANCH;
+ FLUSHPIPE;
+
+#ifdef callstacker
+ memset(a, 0, 256);
+ aufloeser(a, state->Reg[15]);
+ printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8));
+#endif
+
+
+ break;
/* Branch and Link backward. */
- case 0xb8:
- case 0xb9:
- case 0xba:
- case 0xbb:
- case 0xbc:
- case 0xbd:
- case 0xbe:
- case 0xbf:
- /* Put PC into Link. */
+ case 0xb8:
+ case 0xb9:
+ case 0xba:
+ case 0xbb:
+ case 0xbc:
+ case 0xbd:
+ case 0xbe:
+ case 0xbf:
+ /* Put PC into Link. */
#ifdef MODE32
- state->Reg[14] = pc + 4;
+ state->Reg[14] = pc + 4;
#else
- state->Reg[14] =
- (pc + 4) | ECC | ER15INT | EMODE;
+ state->Reg[14] = (pc + 4) | ECC | ER15INT | EMODE;
#endif
- state->Reg[15] = pc + 8 + NEGBRANCH;
- FLUSHPIPE;
- break;
+ state->Reg[15] = pc + 8 + NEGBRANCH;
+ FLUSHPIPE;
+
+
+#ifdef callstacker
+ memset(a, 0, 256);
+ aufloeser(a, state->Reg[15]);
+ printf("call %08X %08X %s(%08X %08X %08X %08X %08X %08X %08X)\n", state->Reg[14], state->Reg[15], a, state->Reg[0], state->Reg[1], state->Reg[2], state->Reg[3], mem_Read32(state->Reg[13]), mem_Read32(state->Reg[13] - 4),mem_Read32(state->Reg[13] - 8));
+#endif
+
+
+
+ break;
/* Co-Processor Data Transfers. */
- case 0xc4:
- if (state->is_v5) {
- /* Reading from R15 is UNPREDICTABLE. */
- if (BITS (12, 15) == 15
- || BITS (16, 19) == 15)
- ARMul_UndefInstr (state,
- instr);
- /* Is access to coprocessor 0 allowed ? */
- else if (!CP_ACCESS_ALLOWED
- (state, CPNum))
- ARMul_UndefInstr (state,
- instr);
- /* Special treatment for XScale coprocessors. */
- else if (state->is_XScale) {
- /* Only opcode 0 is supported. */
- if (BITS (4, 7) != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
- /* Only coporcessor 0 is supported. */
- else if (CPNum != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
- /* Only accumulator 0 is supported. */
- else if (BITS (0, 3) != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
+ case 0xc4:
+ if (state->is_v5) {
+ /* Reading from R15 is UNPREDICTABLE. */
+ if (BITS (12, 15) == 15 || BITS (16, 19) == 15)
+ ARMul_UndefInstr (state, instr);
+ /* Is access to coprocessor 0 allowed ? */
+ else if (!CP_ACCESS_ALLOWED(state, CPNum))
+ ARMul_UndefInstr (state, instr);
else {
- /* XScale MAR insn. Move two registers into accumulator. */
- state->Accumulator =
- state->
- Reg[BITS
- (12, 15)];
- state->Accumulator +=
- (ARMdword)
- state->
- Reg[BITS
- (16,
- 19)] <<
- 32;
+ /* MCRR, ARMv5TE and up */
+ ARMul_MCRR (state, instr, DEST, state->Reg[LHSReg]);
+ break;
}
}
- else
- {
- /* MCRR, ARMv5TE and up */
- ARMul_MCRR (state, instr, DEST, state->Reg[LHSReg]);
- break;
- }
- }
/* Drop through. */
- case 0xc0: /* Store , No WriteBack , Post Dec. */
- ARMul_STC (state, instr, LHS);
- break;
+ case 0xc0: /* Store , No WriteBack , Post Dec. */
+ ARMul_STC (state, instr, LHS);
+ break;
- case 0xc5:
- if (state->is_v5) {
- /* Writes to R15 are UNPREDICATABLE. */
- if (DESTReg == 15 || LHSReg == 15)
- ARMul_UndefInstr (state,
- instr);
- /* Is access to the coprocessor allowed ? */
- else if (!CP_ACCESS_ALLOWED
- (state, CPNum))
- ARMul_UndefInstr (state,
- instr);
- /* Special handling for XScale coprcoessors. */
- else if (state->is_XScale) {
- /* Only opcode 0 is supported. */
- if (BITS (4, 7) != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
- /* Only coprocessor 0 is supported. */
- else if (CPNum != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
- /* Only accumulator 0 is supported. */
- else if (BITS (0, 3) != 0x00)
- ARMul_UndefInstr
- (state,
- instr);
+ case 0xc5:
+ if (state->is_v5) {
+ /* Writes to R15 are UNPREDICATABLE. */
+ if (DESTReg == 15 || LHSReg == 15)
+ ARMul_UndefInstr (state, instr);
+ /* Is access to the coprocessor allowed ? */
+ else if (!CP_ACCESS_ALLOWED(state, CPNum))
+ ARMul_UndefInstr (state, instr);
else {
- /* XScale MRA insn. Move accumulator into two registers. */
- ARMword t1 =
- (state->
- Accumulator
- >> 32) & 255;
-
- if (t1 & 128)
- t1 -= 256;
-
- state->Reg[BITS
- (12, 15)] =
- state->
- Accumulator;
- state->Reg[BITS
- (16, 19)] =
- t1;
+ /* MRRC, ARMv5TE and up */
+ ARMul_MRRC (state, instr, &DEST, &(state->Reg[LHSReg]));
break;
}
}
- else
- {
- /* MRRC, ARMv5TE and up */
- ARMul_MRRC (state, instr, &DEST, &(state->Reg[LHSReg]));
- break;
- }
- }
/* Drop through. */
- case 0xc1: /* Load , No WriteBack , Post Dec. */
- ARMul_LDC (state, instr, LHS);
- break;
+ case 0xc1: /* Load , No WriteBack , Post Dec. */
+ ARMul_LDC (state, instr, LHS);
+ break;
- case 0xc2:
- case 0xc6: /* Store , WriteBack , Post Dec. */
- lhs = LHS;
- state->Base = lhs - LSCOff;
- ARMul_STC (state, instr, lhs);
- break;
+ case 0xc2:
+ case 0xc6: /* Store , WriteBack , Post Dec. */
+ lhs = LHS;
+ state->Base = lhs - LSCOff;
+ ARMul_STC (state, instr, lhs);
+ break;
- case 0xc3:
- case 0xc7: /* Load , WriteBack , Post Dec. */
- lhs = LHS;
- state->Base = lhs - LSCOff;
- ARMul_LDC (state, instr, lhs);
- break;
+ case 0xc3:
+ case 0xc7: /* Load , WriteBack , Post Dec. */
+ lhs = LHS;
+ state->Base = lhs - LSCOff;
+ ARMul_LDC (state, instr, lhs);
+ break;
- case 0xc8:
- case 0xcc: /* Store , No WriteBack , Post Inc. */
- ARMul_STC (state, instr, LHS);
- break;
+ case 0xc8:
+ case 0xcc: /* Store , No WriteBack , Post Inc. */
+ ARMul_STC (state, instr, LHS);
+ break;
- case 0xc9:
- case 0xcd: /* Load , No WriteBack , Post Inc. */
- ARMul_LDC (state, instr, LHS);
- break;
+ case 0xc9:
+ case 0xcd: /* Load , No WriteBack , Post Inc. */
+ ARMul_LDC (state, instr, LHS);
+ break;
- case 0xca:
- case 0xce: /* Store , WriteBack , Post Inc. */
- lhs = LHS;
- state->Base = lhs + LSCOff;
- ARMul_STC (state, instr, LHS);
- break;
+ case 0xca:
+ case 0xce: /* Store , WriteBack , Post Inc. */
+ lhs = LHS;
+ state->Base = lhs + LSCOff;
+ ARMul_STC (state, instr, LHS);
+ break;
- case 0xcb:
- case 0xcf: /* Load , WriteBack , Post Inc. */
- lhs = LHS;
- state->Base = lhs + LSCOff;
- ARMul_LDC (state, instr, LHS);
- break;
+ case 0xcb:
+ case 0xcf: /* Load , WriteBack , Post Inc. */
+ lhs = LHS;
+ state->Base = lhs + LSCOff;
+ ARMul_LDC (state, instr, LHS);
+ break;
- case 0xd0:
- case 0xd4: /* Store , No WriteBack , Pre Dec. */
- ARMul_STC (state, instr, LHS - LSCOff);
- break;
+ case 0xd0:
+ case 0xd4: /* Store , No WriteBack , Pre Dec. */
+ ARMul_STC (state, instr, LHS - LSCOff);
+ break;
- case 0xd1:
- case 0xd5: /* Load , No WriteBack , Pre Dec. */
- ARMul_LDC (state, instr, LHS - LSCOff);
- break;
+ case 0xd1:
+ case 0xd5: /* Load , No WriteBack , Pre Dec. */
+ ARMul_LDC (state, instr, LHS - LSCOff);
+ break;
- case 0xd2:
- case 0xd6: /* Store , WriteBack , Pre Dec. */
- lhs = LHS - LSCOff;
- state->Base = lhs;
- ARMul_STC (state, instr, lhs);
- break;
+ case 0xd2:
+ case 0xd6: /* Store , WriteBack , Pre Dec. */
+ lhs = LHS - LSCOff;
+ state->Base = lhs;
+ ARMul_STC (state, instr, lhs);
+ break;
- case 0xd3:
- case 0xd7: /* Load , WriteBack , Pre Dec. */
- lhs = LHS - LSCOff;
- state->Base = lhs;
- ARMul_LDC (state, instr, lhs);
- break;
+ case 0xd3:
+ case 0xd7: /* Load , WriteBack , Pre Dec. */
+ lhs = LHS - LSCOff;
+ state->Base = lhs;
+ ARMul_LDC (state, instr, lhs);
+ break;
- case 0xd8:
- case 0xdc: /* Store , No WriteBack , Pre Inc. */
- ARMul_STC (state, instr, LHS + LSCOff);
- break;
+ case 0xd8:
+ case 0xdc: /* Store , No WriteBack , Pre Inc. */
+ ARMul_STC (state, instr, LHS + LSCOff);
+ break;
- case 0xd9:
- case 0xdd: /* Load , No WriteBack , Pre Inc. */
- ARMul_LDC (state, instr, LHS + LSCOff);
- break;
+ case 0xd9:
+ case 0xdd: /* Load , No WriteBack , Pre Inc. */
+ ARMul_LDC (state, instr, LHS + LSCOff);
+ break;
- case 0xda:
- case 0xde: /* Store , WriteBack , Pre Inc. */
- lhs = LHS + LSCOff;
- state->Base = lhs;
- ARMul_STC (state, instr, lhs);
- break;
+ case 0xda:
+ case 0xde: /* Store , WriteBack , Pre Inc. */
+ lhs = LHS + LSCOff;
+ state->Base = lhs;
+ ARMul_STC (state, instr, lhs);
+ break;
- case 0xdb:
- case 0xdf: /* Load , WriteBack , Pre Inc. */
- lhs = LHS + LSCOff;
- state->Base = lhs;
- ARMul_LDC (state, instr, lhs);
- break;
+ case 0xdb:
+ case 0xdf: /* Load , WriteBack , Pre Inc. */
+ lhs = LHS + LSCOff;
+ state->Base = lhs;
+ ARMul_LDC (state, instr, lhs);
+ break;
/* Co-Processor Register Transfers (MCR) and Data Ops. */
- case 0xe2:
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ case 0xe2:
+ /*if (!CP_ACCESS_ALLOWED (state, CPNum)) {
ARMul_UndefInstr (state, instr);
break;
- }
- if (state->is_XScale)
- switch (BITS (18, 19)) {
- case 0x0:
- if (BITS (4, 11) == 1
- && BITS (16, 17) == 0) {
- /* XScale MIA instruction. Signed multiplication of
- two 32 bit values and addition to 40 bit accumulator. */
- long long Rm =
- state->
- Reg
- [MULLHSReg];
- long long Rs =
- state->
- Reg
- [MULACCReg];
-
- if (Rm & (1 << 31))
- Rm -= 1ULL <<
- 32;
- if (Rs & (1 << 31))
- Rs -= 1ULL <<
- 32;
- state->Accumulator +=
- Rm * Rs;
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- break;
-
- case 0x2:
- if (BITS (4, 11) == 1
- && BITS (16, 17) == 0) {
- /* XScale MIAPH instruction. */
- ARMword t1 =
- state->
- Reg[MULLHSReg]
- >> 16;
- ARMword t2 =
- state->
- Reg[MULACCReg]
- >> 16;
- ARMword t3 =
- state->
- Reg[MULLHSReg]
- & 0xffff;
- ARMword t4 =
- state->
- Reg[MULACCReg]
- & 0xffff;
- long long t5;
-
- if (t1 & (1 << 15))
- t1 -= 1 << 16;
- if (t2 & (1 << 15))
- t2 -= 1 << 16;
- if (t3 & (1 << 15))
- t3 -= 1 << 16;
- if (t4 & (1 << 15))
- t4 -= 1 << 16;
- t1 *= t2;
- t5 = t1;
- if (t5 & (1 << 31))
- t5 -= 1ULL <<
- 32;
- state->Accumulator +=
- t5;
- t3 *= t4;
- t5 = t3;
- if (t5 & (1 << 31))
- t5 -= 1ULL <<
- 32;
- state->Accumulator +=
- t5;
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- break;
-
- case 0x3:
- if (BITS (4, 11) == 1) {
- /* XScale MIAxy instruction. */
- ARMword t1;
- ARMword t2;
- long long t5;
-
- if (BIT (17))
- t1 = state->
- Reg
- [MULLHSReg]
- >> 16;
- else
- t1 = state->
- Reg
- [MULLHSReg]
- &
- 0xffff;
-
- if (BIT (16))
- t2 = state->
- Reg
- [MULACCReg]
- >> 16;
- else
- t2 = state->
- Reg
- [MULACCReg]
- &
- 0xffff;
-
- if (t1 & (1 << 15))
- t1 -= 1 << 16;
- if (t2 & (1 << 15))
- t2 -= 1 << 16;
- t1 *= t2;
- t5 = t1;
- if (t5 & (1 << 31))
- t5 -= 1ULL <<
- 32;
- state->Accumulator +=
- t5;
- _assert_msg_(ARM11, false, "disabled skyeye code 'goto donext'"); //goto donext;
- }
- break;
-
- default:
- break;
- }
- /* Drop through. */
-
- case 0xe0:
- case 0xe4:
- case 0xe6:
- case 0xe8:
- case 0xea:
- case 0xec:
- case 0xee:
- if (BIT (4)) {
- /* MCR. */
- if (DESTReg == 15) {
- UNDEF_MCRPC;
+ }*/
+
+ case 0xe0:
+ case 0xe4:
+ case 0xe6:
+ case 0xe8:
+ case 0xea:
+ case 0xec:
+ case 0xee:
+ if (BIT (4)) {
+ /* MCR. */
+ if (DESTReg == 15) {
+ UNDEF_MCRPC;
#ifdef MODE32
- ARMul_MCR (state, instr,
- state->Reg[15] +
- isize);
+ ARMul_MCR (state, instr, state->Reg[15] + isize);
#else
- ARMul_MCR (state, instr,
- ECC | ER15INT |
- EMODE |
- ((state->Reg[15] +
- isize) &
- R15PCBITS));
-#endif
- } else if (instr != 0xDEADC0DE) // thumbemu uses 0xDEADCODE for debugging to catch non updates
- ARMul_MCR (state, instr,
- DEST);
- }
- else
- /* CDP Part 1. */
- ARMul_CDP (state, instr);
- break;
+ ARMul_MCR (state, instr, ECC | ER15INT | EMODE | ((state->Reg[15] + isize) & R15PCBITS));
+#endif
+ } else
+ ARMul_MCR (state, instr, DEST);
+ } else
+ /* CDP Part 1. */
+ ARMul_CDP (state, instr);
+ break;
/* Co-Processor Register Transfers (MRC) and Data Ops. */
- case 0xe1:
- case 0xe3:
- case 0xe5:
- case 0xe7:
- case 0xe9:
- case 0xeb:
- case 0xed:
- case 0xef:
- if (BIT (4)) {
- /* MRC */
- temp = ARMul_MRC (state, instr);
- if (DESTReg == 15) {
- ASSIGNN ((temp & NBIT) != 0);
- ASSIGNZ ((temp & ZBIT) != 0);
- ASSIGNC ((temp & CBIT) != 0);
- ASSIGNV ((temp & VBIT) != 0);
- }
- else
- DEST = temp;
- }
- else
- /* CDP Part 2. */
- ARMul_CDP (state, instr);
- break;
+ case 0xe1:
+ case 0xe3:
+ case 0xe5:
+ case 0xe7:
+ case 0xe9:
+ case 0xeb:
+ case 0xed:
+ case 0xef:
+ if (BIT (4)) {
+ /* MRC */
+ temp = ARMul_MRC (state, instr);
+ if (DESTReg == 15) {
+ ASSIGNN ((temp & NBIT) != 0);
+ ASSIGNZ ((temp & ZBIT) != 0);
+ ASSIGNC ((temp & CBIT) != 0);
+ ASSIGNV ((temp & VBIT) != 0);
+ } else
+ DEST = temp;
+ } else
+ /* CDP Part 2. */
+ ARMul_CDP (state, instr);
+ break;
/* SWI instruction. */
- case 0xf0:
- case 0xf1:
- case 0xf2:
- case 0xf3:
- case 0xf4:
- case 0xf5:
- case 0xf6:
- case 0xf7:
- case 0xf8:
- case 0xf9:
- case 0xfa:
- case 0xfb:
- case 0xfc:
- case 0xfd:
- case 0xfe:
- case 0xff:
- HLE::CallSVC(instr);
- break;
+ case 0xf0:
+ case 0xf1:
+ case 0xf2:
+ case 0xf3:
+ case 0xf4:
+ case 0xf5:
+ case 0xf6:
+ case 0xf7:
+ case 0xf8:
+ case 0xf9:
+ case 0xfa:
+ case 0xfb:
+ case 0xfc:
+ case 0xfd:
+ case 0xfe:
+ case 0xff:
+ //svc_Execute(state, BITS(0, 23));
+ HLE::CallSVC(instr);
+
+ break;
+ }
}
- }
-
+
#ifdef MODET
- donext:
+donext:
#endif
- state->pc = pc;
+ state->pc = pc;
#if 0
/* shenoubang */
instr_sum++;
int i, j;
i = j = 0;
if (instr_sum >= 7388648) {
- //if (pc == 0xc0008ab4) {
- // printf("instr_sum: %d\n", instr_sum);
+ //if (pc == 0xc0008ab4) {
+ // printf("instr_sum: %d\n", instr_sum);
// start_kernel : 0xc000895c
printf("--------------------------------------------------\n");
for (i = 0; i < 16; i++) {
@@ -4571,295 +3918,289 @@ ARMul_Emulate26 (ARMul_State * state)
#endif
#if 0
- fprintf(state->state_log, "PC:0x%x\n", pc);
- for (reg_index = 0; reg_index < 16; reg_index ++) {
- if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
- fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
- mirror_register_file[reg_index] = state->Reg[reg_index];
- }
- }
- if (state->Cpsr != mirror_register_file[CPSR_REG]) {
- fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
- mirror_register_file[CPSR_REG] = state->Cpsr;
- }
- if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
- fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
- mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
- }
- if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
- fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
- mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
- }
- if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
- fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
- mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
- }
- if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
- fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
- mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
- }
- if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
- fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
- mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
- }
- if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
- fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
- mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
- }
- if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
- fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
- mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
- }
- if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
- fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
- mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
- }
- if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
- fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
- mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
- }
- if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
- fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
- mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
- }
- if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
- fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
- mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
- }
- if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
- fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
- mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
- }
- if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
- fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
- mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
- }
- if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
- fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
- mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
- }
- if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
- fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
- mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
- }
- if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
- fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
- mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
- }
- if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
- fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
- mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
- }
- if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
- fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
- mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
- }
- if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
- fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
- mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
- }
- if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
- fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
- mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
- }
+ fprintf(state->state_log, "PC:0x%x\n", pc);
+ for (reg_index = 0; reg_index < 16; reg_index ++) {
+ if (state->Reg[reg_index] != mirror_register_file[reg_index]) {
+ fprintf(state->state_log, "R%d:0x%x\n", reg_index, state->Reg[reg_index]);
+ mirror_register_file[reg_index] = state->Reg[reg_index];
+ }
+ }
+ if (state->Cpsr != mirror_register_file[CPSR_REG]) {
+ fprintf(state->state_log, "Cpsr:0x%x\n", state->Cpsr);
+ mirror_register_file[CPSR_REG] = state->Cpsr;
+ }
+ if (state->RegBank[SVCBANK][13] != mirror_register_file[R13_SVC]) {
+ fprintf(state->state_log, "R13_SVC:0x%x\n", state->RegBank[SVCBANK][13]);
+ mirror_register_file[R13_SVC] = state->RegBank[SVCBANK][13];
+ }
+ if (state->RegBank[SVCBANK][14] != mirror_register_file[R14_SVC]) {
+ fprintf(state->state_log, "R14_SVC:0x%x\n", state->RegBank[SVCBANK][14]);
+ mirror_register_file[R14_SVC] = state->RegBank[SVCBANK][14];
+ }
+ if (state->RegBank[ABORTBANK][13] != mirror_register_file[R13_ABORT]) {
+ fprintf(state->state_log, "R13_ABORT:0x%x\n", state->RegBank[ABORTBANK][13]);
+ mirror_register_file[R13_ABORT] = state->RegBank[ABORTBANK][13];
+ }
+ if (state->RegBank[ABORTBANK][14] != mirror_register_file[R14_ABORT]) {
+ fprintf(state->state_log, "R14_ABORT:0x%x\n", state->RegBank[ABORTBANK][14]);
+ mirror_register_file[R14_ABORT] = state->RegBank[ABORTBANK][14];
+ }
+ if (state->RegBank[UNDEFBANK][13] != mirror_register_file[R13_UNDEF]) {
+ fprintf(state->state_log, "R13_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][13]);
+ mirror_register_file[R13_UNDEF] = state->RegBank[UNDEFBANK][13];
+ }
+ if (state->RegBank[UNDEFBANK][14] != mirror_register_file[R14_UNDEF]) {
+ fprintf(state->state_log, "R14_UNDEF:0x%x\n", state->RegBank[UNDEFBANK][14]);
+ mirror_register_file[R14_UNDEF] = state->RegBank[UNDEFBANK][14];
+ }
+ if (state->RegBank[IRQBANK][13] != mirror_register_file[R13_IRQ]) {
+ fprintf(state->state_log, "R13_IRQ:0x%x\n", state->RegBank[IRQBANK][13]);
+ mirror_register_file[R13_IRQ] = state->RegBank[IRQBANK][13];
+ }
+ if (state->RegBank[IRQBANK][14] != mirror_register_file[R14_IRQ]) {
+ fprintf(state->state_log, "R14_IRQ:0x%x\n", state->RegBank[IRQBANK][14]);
+ mirror_register_file[R14_IRQ] = state->RegBank[IRQBANK][14];
+ }
+ if (state->RegBank[FIQBANK][8] != mirror_register_file[R8_FIRQ]) {
+ fprintf(state->state_log, "R8_FIRQ:0x%x\n", state->RegBank[FIQBANK][8]);
+ mirror_register_file[R8_FIRQ] = state->RegBank[FIQBANK][8];
+ }
+ if (state->RegBank[FIQBANK][9] != mirror_register_file[R9_FIRQ]) {
+ fprintf(state->state_log, "R9_FIRQ:0x%x\n", state->RegBank[FIQBANK][9]);
+ mirror_register_file[R9_FIRQ] = state->RegBank[FIQBANK][9];
+ }
+ if (state->RegBank[FIQBANK][10] != mirror_register_file[R10_FIRQ]) {
+ fprintf(state->state_log, "R10_FIRQ:0x%x\n", state->RegBank[FIQBANK][10]);
+ mirror_register_file[R10_FIRQ] = state->RegBank[FIQBANK][10];
+ }
+ if (state->RegBank[FIQBANK][11] != mirror_register_file[R11_FIRQ]) {
+ fprintf(state->state_log, "R11_FIRQ:0x%x\n", state->RegBank[FIQBANK][11]);
+ mirror_register_file[R11_FIRQ] = state->RegBank[FIQBANK][11];
+ }
+ if (state->RegBank[FIQBANK][12] != mirror_register_file[R12_FIRQ]) {
+ fprintf(state->state_log, "R12_FIRQ:0x%x\n", state->RegBank[FIQBANK][12]);
+ mirror_register_file[R12_FIRQ] = state->RegBank[FIQBANK][12];
+ }
+ if (state->RegBank[FIQBANK][13] != mirror_register_file[R13_FIRQ]) {
+ fprintf(state->state_log, "R13_FIRQ:0x%x\n", state->RegBank[FIQBANK][13]);
+ mirror_register_file[R13_FIRQ] = state->RegBank[FIQBANK][13];
+ }
+ if (state->RegBank[FIQBANK][14] != mirror_register_file[R14_FIRQ]) {
+ fprintf(state->state_log, "R14_FIRQ:0x%x\n", state->RegBank[FIQBANK][14]);
+ mirror_register_file[R14_FIRQ] = state->RegBank[FIQBANK][14];
+ }
+ if (state->Spsr[SVCBANK] != mirror_register_file[SPSR_SVC]) {
+ fprintf(state->state_log, "SPSR_SVC:0x%x\n", state->Spsr[SVCBANK]);
+ mirror_register_file[SPSR_SVC] = state->RegBank[SVCBANK];
+ }
+ if (state->Spsr[ABORTBANK] != mirror_register_file[SPSR_ABORT]) {
+ fprintf(state->state_log, "SPSR_ABORT:0x%x\n", state->Spsr[ABORTBANK]);
+ mirror_register_file[SPSR_ABORT] = state->RegBank[ABORTBANK];
+ }
+ if (state->Spsr[UNDEFBANK] != mirror_register_file[SPSR_UNDEF]) {
+ fprintf(state->state_log, "SPSR_UNDEF:0x%x\n", state->Spsr[UNDEFBANK]);
+ mirror_register_file[SPSR_UNDEF] = state->RegBank[UNDEFBANK];
+ }
+ if (state->Spsr[IRQBANK] != mirror_register_file[SPSR_IRQ]) {
+ fprintf(state->state_log, "SPSR_IRQ:0x%x\n", state->Spsr[IRQBANK]);
+ mirror_register_file[SPSR_IRQ] = state->RegBank[IRQBANK];
+ }
+ if (state->Spsr[FIQBANK] != mirror_register_file[SPSR_FIRQ]) {
+ fprintf(state->state_log, "SPSR_FIRQ:0x%x\n", state->Spsr[FIQBANK]);
+ mirror_register_file[SPSR_FIRQ] = state->RegBank[FIQBANK];
+ }
#endif
#ifdef NEED_UI_LOOP_HOOK
- if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) {
- ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
- ui_loop_hook (0);
- }
+ if (ui_loop_hook != NULL && ui_loop_hook_counter-- < 0) {
+ ui_loop_hook_counter = UI_LOOP_POLL_INTERVAL;
+ ui_loop_hook (0);
+ }
#endif /* NEED_UI_LOOP_HOOK */
- /*added energy_prof statement by ksh in 2004-11-26 */
- //chy 2005-07-28 for standalone
- //ARMul_do_energy(state,instr,pc);
+ /*added energy_prof statement by ksh in 2004-11-26 */
+ //chy 2005-07-28 for standalone
+ //ARMul_do_energy(state,instr,pc);
//teawater add for record reg value to ./reg.txt 2005.07.10---------------------
- if (state->tea_break_ok && pc == state->tea_break_addr) {
- ARMul_Debug (state, 0, 0);
- state->tea_break_ok = 0;
- }
- else {
- state->tea_break_ok = 1;
- }
+ if (state->tea_break_ok && pc == state->tea_break_addr) {
+ //ARMul_Debug (state, 0, 0);
+ state->tea_break_ok = 0;
+ } else {
+ state->tea_break_ok = 1;
+ }
//AJ2D--------------------------------------------------------------------------
//chy 2006-04-14 for ctrl-c debug
#if 0
- if (debugmode) {
- if (instr != ARMul_ABORTWORD) {
- remote_interrupt_test_time++;
- //chy 2006-04-14 2000 should be changed in skyeye_conf ???!!!
- if (remote_interrupt_test_time >= 2000) {
- remote_interrupt_test_time=0;
- if (remote_interrupt()) {
- //for test
- //printf("SKYEYE: ICE_debug recv Ctrl_C\n");
- state->EndCondition = 0;
- state->Emulate = STOP;
- }
- }
- }
- }
+ if (debugmode) {
+ if (instr != ARMul_ABORTWORD) {
+ remote_interrupt_test_time++;
+ //chy 2006-04-14 2000 should be changed in skyeye_conf ???!!!
+ if (remote_interrupt_test_time >= 2000) {
+ remote_interrupt_test_time=0;
+ if (remote_interrupt()) {
+ //for test
+ //printf("SKYEYE: ICE_debug recv Ctrl_C\n");
+ state->EndCondition = 0;
+ state->Emulate = STOP;
+ }
+ }
+ }
+ }
#endif
-
- /* jump out every time */
- //state->EndCondition = 0;
- //state->Emulate = STOP;
+
+ /* jump out every time */
+ //state->EndCondition = 0;
+ //state->Emulate = STOP;
//chy 2006-04-12 for ICE debug
TEST_EMULATE:
- if (state->Emulate == ONCE)
- state->Emulate = STOP;
- //chy: 2003-08-23: should not use CHANGEMODE !!!!
- /* If we have changed mode, allow the PC to advance before stopping. */
- // else if (state->Emulate == CHANGEMODE)
- // continue;
- else if (state->Emulate != RUN)
- break;
+ if (state->Emulate == ONCE)
+ state->Emulate = STOP;
+ //chy: 2003-08-23: should not use CHANGEMODE !!!!
+ /* If we have changed mode, allow the PC to advance before stopping. */
+ // else if (state->Emulate == CHANGEMODE)
+ // continue;
+ else if (state->Emulate != RUN)
+ break;
+ }
+ while (state->NumInstrsToExecute--);
+
+ state->decoded = decoded;
+ state->loaded = loaded;
+ state->pc = pc;
+ //chy 2006-04-12, for ICE debug
+ state->decoded_addr=decoded_addr;
+ state->loaded_addr=loaded_addr;
+
+ return pc;
}
- while (state->NumInstrsToExecute--);
-
- state->decoded = decoded;
- state->loaded = loaded;
- state->pc = pc;
- //chy 2006-04-12, for ICE debug
- state->decoded_addr=decoded_addr;
- state->loaded_addr=loaded_addr;
-
- return pc;
-}
//teawater add for arm2x86 2005.02.17-------------------------------------------
-/*ywc 2005-04-01*/
+ /*ywc 2005-04-01*/
//#include "tb.h"
//#include "arm2x86_self.h"
-static volatile void (*gen_func) (void);
+ static volatile void (*gen_func) (void);
//static volatile ARMul_State *tmp_st;
//static volatile ARMul_State *save_st;
-static volatile uint32_t tmp_st;
-static volatile uint32_t save_st;
-static volatile uint32_t save_T0;
-static volatile uint32_t save_T1;
-static volatile uint32_t save_T2;
+ static volatile uint32_t tmp_st;
+ static volatile uint32_t save_st;
+ static volatile uint32_t save_T0;
+ static volatile uint32_t save_T1;
+ static volatile uint32_t save_T2;
#ifdef MODE32
#ifdef DBCT
//teawater change for debug function 2005.07.09---------------------------------
-ARMword
-ARMul_Emulate32_dbct (ARMul_State * state)
-{
- static int init = 0;
- static FILE *fd;
-
- /*if (!init) {
+ ARMword
+ ARMul_Emulate32_dbct (ARMul_State * state) {
+ static int init = 0;
+ static FILE *fd;
- fd = fopen("./pc.txt", "w");
- if (!fd) {
- exit(-1);
- }
- init = 1;
- } */
+ /*if (!init) {
- state->Reg[15] += INSN_SIZE;
- do {
- /*if (skyeye_config.log.logon>=1) {
- if (state->NumInstrs>=skyeye_config.log.start && state->NumInstrs<=skyeye_config.log.end) {
- static int mybegin=0;
- static int myinstrnum=0;
-
- if (mybegin==0) mybegin=1;
- if (mybegin==1) {
- state->Reg[15] -= INSN_SIZE;
- if (skyeye_config.log.logon>=1) fprintf(skyeye_logfd,"N %llx :p %x,i %x,",state->NumInstrs, (state->Reg[15] - INSN_SIZE), instr);
- if (skyeye_config.log.logon>=2) SKYEYE_OUTREGS(skyeye_logfd);
- if (skyeye_config.log.logon>=3) SKYEYE_OUTMOREREGS(skyeye_logfd);
- fprintf(skyeye_logfd,"\n");
- if (skyeye_config.log.length>0) {
- myinstrnum++;
- if (myinstrnum>=skyeye_config.log.length) {
- myinstrnum=0;
- fflush(skyeye_logfd);
- fseek(skyeye_logfd,0L,SEEK_SET);
- }
- }
- state->Reg[15] += INSN_SIZE;
- }
+ fd = fopen("./pc.txt", "w");
+ if (!fd) {
+ exit(-1);
}
+ init = 1;
} */
- state->trap = 0;
- gen_func =
- (void *) tb_find (state, state->Reg[15] - INSN_SIZE);
- if (!gen_func) {
- //fprintf(stderr, "SKYEYE: tb_find: Error in find the translate block.\n");
- //exit(-1);
- //TRAP_INSN_ABORT
- //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
- //TEA_OUT(printf("TRAP_INSN_ABORT\n"));
-//teawater add for xscale(arm v5) 2005.09.01------------------------------------
- /*XScale_set_fsr_far(state, ARMul_CP15_R5_MMU_EXCPT, state->Reg[15] - INSN_SIZE);
- state->Reg[15] += INSN_SIZE;
- ARMul_Abort(state, ARMul_PrefetchAbortV);
+
+ state->Reg[15] += INSN_SIZE;
+ do {
+ /*if (skyeye_config.log.logon>=1) {
+ if (state->NumInstrs>=skyeye_config.log.start && state->NumInstrs<=skyeye_config.log.end) {
+ static int mybegin=0;
+ static int myinstrnum=0;
+
+ if (mybegin==0) mybegin=1;
+ if (mybegin==1) {
+ state->Reg[15] -= INSN_SIZE;
+ if (skyeye_config.log.logon>=1) fprintf(skyeye_logfd,"N %llx :p %x,i %x,",state->NumInstrs, (state->Reg[15] - INSN_SIZE), instr);
+ if (skyeye_config.log.logon>=2) SKYEYE_OUTREGS(skyeye_logfd);
+ if (skyeye_config.log.logon>=3) SKYEYE_OUTMOREREGS(skyeye_logfd);
+ fprintf(skyeye_logfd,"\n");
+ if (skyeye_config.log.length>0) {
+ myinstrnum++;
+ if (myinstrnum>=skyeye_config.log.length) {
+ myinstrnum=0;
+ fflush(skyeye_logfd);
+ fseek(skyeye_logfd,0L,SEEK_SET);
+ }
+ }
state->Reg[15] += INSN_SIZE;
- goto next; */
- state->trap = TRAP_INSN_ABORT;
- goto check;
+ }
+ }
+ } */
+ state->trap = 0;
+ gen_func =
+ (void *) tb_find (state, state->Reg[15] - INSN_SIZE);
+ if (!gen_func) {
+ //fprintf(stderr, "SKYEYE: tb_find: Error in find the translate block.\n");
+ //exit(-1);
+ //TRAP_INSN_ABORT
+ //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
+ //TEA_OUT(printf("TRAP_INSN_ABORT\n"));
+//teawater add for xscale(arm v5) 2005.09.01------------------------------------
+ /*XScale_set_fsr_far(state, ARMul_CP15_R5_MMU_EXCPT, state->Reg[15] - INSN_SIZE);
+ state->Reg[15] += INSN_SIZE;
+ ARMul_Abort(state, ARMul_PrefetchAbortV);
+ state->Reg[15] += INSN_SIZE;
+ goto next; */
+ state->trap = TRAP_INSN_ABORT;
+ goto check;
//AJ2D--------------------------------------------------------------------------
- }
+ }
- save_st = (uint32_t) st;
- save_T0 = T0;
- save_T1 = T1;
- save_T2 = T2;
- tmp_st = (uint32_t) state;
- wmb ();
- st = (ARMul_State *) tmp_st;
- gen_func ();
- st = (ARMul_State *) save_st;
- T0 = save_T0;
- T1 = save_T1;
- T2 = save_T2;
-
- /*if (state->trap != TRAP_OUT) {
- state->tea_break_ok = 1;
- }
- if (state->trap <= TRAP_SET_R15) {
- goto next;
- } */
- //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
+ save_st = (uint32_t) st;
+ save_T0 = T0;
+ save_T1 = T1;
+ save_T2 = T2;
+ tmp_st = (uint32_t) state;
+ wmb ();
+ st = (ARMul_State *) tmp_st;
+ gen_func ();
+ st = (ARMul_State *) save_st;
+ T0 = save_T0;
+ T1 = save_T1;
+ T2 = save_T2;
+
+ /*if (state->trap != TRAP_OUT) {
+ state->tea_break_ok = 1;
+ }
+ if (state->trap <= TRAP_SET_R15) {
+ goto next;
+ } */
+ //TEA_OUT(printf("\n------------\npc:%x\n", state->Reg[15] - INSN_SIZE));
//teawater add check thumb 2005.07.21-------------------------------------------
- /*if (TFLAG) {
- state->Reg[15] -= 2;
- return(state->Reg[15]);
- } */
+ /*if (TFLAG) {
+ state->Reg[15] -= 2;
+ return(state->Reg[15]);
+ } */
//AJ2D--------------------------------------------------------------------------
//teawater add for xscale(arm v5) 2005.09.01------------------------------------
- check:
+check:
//AJ2D--------------------------------------------------------------------------
- switch (state->trap) {
- case TRAP_RESET:
- {
+ switch (state->trap) {
+ case TRAP_RESET: {
//TEA_OUT(printf("TRAP_RESET\n"));
ARMul_Abort (state, ARMul_ResetV);
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_UNPREDICTABLE:
- {
- ARMul_Debug (state, 0, 0);
+ case TRAP_UNPREDICTABLE: {
+ //ARMul_Debug (state, 0, 0);
}
break;
- case TRAP_INSN_UNDEF:
- {
+ case TRAP_INSN_UNDEF: {
//TEA_OUT(printf("TRAP_INSN_UNDEF\n"));
state->Reg[15] += INSN_SIZE;
ARMul_UndefInstr (state, 0);
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_SWI:
- {
+ case TRAP_SWI: {
//TEA_OUT(printf("TRAP_SWI\n"));
state->Reg[15] += INSN_SIZE;
ARMul_Abort (state, ARMul_SWIV);
@@ -4867,44 +4208,39 @@ ARMul_Emulate32_dbct (ARMul_State * state)
}
break;
//teawater add for xscale(arm v5) 2005.09.01------------------------------------
- case TRAP_INSN_ABORT:
- {
- XScale_set_fsr_far (state,
- ARMul_CP15_R5_MMU_EXCPT,
- state->Reg[15] -
- INSN_SIZE);
+ case TRAP_INSN_ABORT: {
+ /*XScale_set_fsr_far (state,
+ ARMul_CP15_R5_MMU_EXCPT,
+ state->Reg[15] -
+ INSN_SIZE);*/
state->Reg[15] += INSN_SIZE;
ARMul_Abort (state, ARMul_PrefetchAbortV);
state->Reg[15] += INSN_SIZE;
}
break;
//AJ2D--------------------------------------------------------------------------
- case TRAP_DATA_ABORT:
- {
+ case TRAP_DATA_ABORT: {
//TEA_OUT(printf("TRAP_DATA_ABORT\n"));
state->Reg[15] += INSN_SIZE;
ARMul_Abort (state, ARMul_DataAbortV);
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_IRQ:
- {
+ case TRAP_IRQ: {
//TEA_OUT(printf("TRAP_IRQ\n"));
state->Reg[15] += INSN_SIZE;
ARMul_Abort (state, ARMul_IRQV);
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_FIQ:
- {
+ case TRAP_FIQ: {
//TEA_OUT(printf("TRAP_FIQ\n"));
state->Reg[15] += INSN_SIZE;
ARMul_Abort (state, ARMul_FIQV);
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_SETS_R15:
- {
+ case TRAP_SETS_R15: {
//TEA_OUT(printf("TRAP_SETS_R15\n"));
/*if (state->Bank > 0) {
state->Cpsr = state->Spsr[state->Bank];
@@ -4913,1699 +4249,1785 @@ ARMul_Emulate32_dbct (ARMul_State * state)
WriteSR15 (state, state->Reg[15]);
}
break;
- case TRAP_SET_CPSR:
- {
+ case TRAP_SET_CPSR: {
//TEA_OUT(printf("TRAP_SET_CPSR\n"));
- //chy 2006-02-15 USERBANK=SYSTEMBANK=0
- //chy 2006-02-16 should use Mode to test
+ //chy 2006-02-15 USERBANK=SYSTEMBANK=0
+ //chy 2006-02-16 should use Mode to test
//if (state->Bank > 0) {
- if (state->Mode != USER26MODE && state->Mode != USER32MODE){
- ARMul_CPSRAltered (state);
+ if (state->Mode != USER26MODE && state->Mode != USER32MODE) {
+ //ARMul_CPSRAltered (state);
}
state->Reg[15] += INSN_SIZE;
}
break;
- case TRAP_OUT:
- {
+ case TRAP_OUT: {
//TEA_OUT(printf("TRAP_OUT\n"));
goto out;
}
break;
- case TRAP_BREAKPOINT:
- {
+ case TRAP_BREAKPOINT: {
//TEA_OUT(printf("TRAP_BREAKPOINT\n"));
state->Reg[15] -= INSN_SIZE;
if (!ARMul_OSHandleSWI
- (state, SWI_Breakpoint)) {
+ (state, SWI_Breakpoint)) {
ARMul_Abort (state, ARMul_SWIV);
}
state->Reg[15] += INSN_SIZE;
}
break;
- }
+ }
- next:
- if (state->Emulate == ONCE) {
- state->Emulate = STOP;
- break;
- }
- else if (state->Emulate != RUN) {
- break;
- }
- }
- while (!state->stop_simulator);
+next:
+ if (state->Emulate == ONCE) {
+ state->Emulate = STOP;
+ break;
+ } else if (state->Emulate != RUN) {
+ break;
+ }
+ } while (!state->stop_simulator);
- out:
- state->Reg[15] -= INSN_SIZE;
- return (state->Reg[15]);
-}
+out:
+ state->Reg[15] -= INSN_SIZE;
+ return (state->Reg[15]);
+ }
#endif
//AJ2D--------------------------------------------------------------------------
#endif
//AJ2D--------------------------------------------------------------------------
-/* This routine evaluates most Data Processing register RHS's with the S
- bit clear. It is intended to be called from the macro DPRegRHS, which
- filters the common case of an unshifted register with in line code. */
+ /* This routine evaluates most Data Processing register RHS's with the S
+ bit clear. It is intended to be called from the macro DPRegRHS, which
+ filters the common case of an unshifted register with in line code. */
-static ARMword
-GetDPRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
+ static ARMword
+ GetDPRegRHS (ARMul_State * state, ARMword instr) {
+ ARMword shamt, base;
- base = RHSReg;
- if (BIT (4)) {
- /* Shift amount in a register. */
- UNDEF_Shift;
- INCPC;
+ base = RHSReg;
+ if (BIT (4)) {
+ /* Shift amount in a register. */
+ UNDEF_Shift;
+ INCPC;
#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
- ARMul_Icycles (state, 1, 0L);
- shamt = state->Reg[BITS (8, 11)] & 0xff;
- switch ((int) BITS (5, 6)) {
- case LSL:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return (0);
+ if (base == 15)
+ base = ECC | ER15INT | R15PC | EMODE;
else
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32)
- return ((ARMword) ((int) base >> 31L));
- else
- return ((ARMword)
- (( int) base >> (int) shamt));
- case ROR:
- shamt &= 0x1f;
- if (shamt == 0)
- return (base);
- else
- return ((base << (32 - shamt)) |
- (base >> shamt));
- }
- }
- else {
- /* Shift amount is a constant. */
-#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
#endif
- base = state->Reg[base];
- shamt = BITS (7, 11);
- switch ((int) BITS (5, 6)) {
- case LSL:
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return ((ARMword) (( int) base >> 31L));
- else
- return ((ARMword)
- (( int) base >> (int) shamt));
- case ROR:
- if (shamt == 0)
- /* It's an RRX. */
- return ((base >> 1) | (CFLAG << 31));
+ base = state->Reg[base];
+ ARMul_Icycles (state, 1, 0L);
+ shamt = state->Reg[BITS (8, 11)] & 0xff;
+ switch ((int) BITS (5, 6)) {
+ case LSL:
+ if (shamt == 0)
+ return (base);
+ else if (shamt >= 32)
+ return (0);
+ else
+ return (base << shamt);
+ case LSR:
+ if (shamt == 0)
+ return (base);
+ else if (shamt >= 32)
+ return (0);
+ else
+ return (base >> shamt);
+ case ASR:
+ if (shamt == 0)
+ return (base);
+ else if (shamt >= 32)
+ return ((ARMword) ((int) base >> 31L));
+ else
+ return ((ARMword)
+ (( int) base >> (int) shamt));
+ case ROR:
+ shamt &= 0x1f;
+ if (shamt == 0)
+ return (base);
+ else
+ return ((base << (32 - shamt)) |
+ (base >> shamt));
+ }
+ } else {
+ /* Shift amount is a constant. */
+#ifndef MODE32
+ if (base == 15)
+ base = ECC | ER15INT | R15PC | EMODE;
else
- return ((base << (32 - shamt)) |
- (base >> shamt));
+#endif
+ base = state->Reg[base];
+ shamt = BITS (7, 11);
+ switch ((int) BITS (5, 6)) {
+ case LSL:
+ return (base << shamt);
+ case LSR:
+ if (shamt == 0)
+ return (0);
+ else
+ return (base >> shamt);
+ case ASR:
+ if (shamt == 0)
+ return ((ARMword) (( int) base >> 31L));
+ else
+ return ((ARMword)
+ (( int) base >> (int) shamt));
+ case ROR:
+ if (shamt == 0)
+ /* It's an RRX. */
+ return ((base >> 1) | (CFLAG << 31));
+ else
+ return ((base << (32 - shamt)) |
+ (base >> shamt));
+ }
}
- }
- return 0;
-}
+ return 0;
+ }
-/* This routine evaluates most Logical Data Processing register RHS's
- with the S bit set. It is intended to be called from the macro
- DPSRegRHS, which filters the common case of an unshifted register
- with in line code. */
+ /* This routine evaluates most Logical Data Processing register RHS's
+ with the S bit set. It is intended to be called from the macro
+ DPSRegRHS, which filters the common case of an unshifted register
+ with in line code. */
-static ARMword
-GetDPSRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
+ static ARMword
+ GetDPSRegRHS (ARMul_State * state, ARMword instr) {
+ ARMword shamt, base;
- base = RHSReg;
- if (BIT (4)) {
- /* Shift amount in a register. */
- UNDEF_Shift;
- INCPC;
+ base = RHSReg;
+ if (BIT (4)) {
+ /* Shift amount in a register. */
+ UNDEF_Shift;
+ INCPC;
#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
+ if (base == 15)
+ base = ECC | ER15INT | R15PC | EMODE;
+ else
#endif
- base = state->Reg[base];
- ARMul_Icycles (state, 1, 0L);
- shamt = state->Reg[BITS (8, 11)] & 0xff;
- switch ((int) BITS (5, 6)) {
- case LSL:
- if (shamt == 0)
- return (base);
- else if (shamt == 32) {
- ASSIGNC (base & 1);
- return (0);
- }
- else if (shamt > 32) {
- CLEARC;
- return (0);
- }
- else {
- ASSIGNC ((base >> (32 - shamt)) & 1);
- return (base << shamt);
- }
- case LSR:
- if (shamt == 0)
- return (base);
- else if (shamt == 32) {
- ASSIGNC (base >> 31);
- return (0);
- }
- else if (shamt > 32) {
- CLEARC;
- return (0);
- }
- else {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return (base >> shamt);
- }
- case ASR:
- if (shamt == 0)
- return (base);
- else if (shamt >= 32) {
- ASSIGNC (base >> 31L);
- return ((ARMword) (( int) base >> 31L));
- }
- else {
- ASSIGNC ((ARMword)
- (( int) base >>
- (int) (shamt - 1)) & 1);
- return ((ARMword)
- ((int) base >> (int) shamt));
- }
- case ROR:
- if (shamt == 0)
- return (base);
- shamt &= 0x1f;
- if (shamt == 0) {
- ASSIGNC (base >> 31);
- return (base);
- }
- else {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return ((base << (32 - shamt)) |
- (base >> shamt));
+ base = state->Reg[base];
+ ARMul_Icycles (state, 1, 0L);
+ shamt = state->Reg[BITS (8, 11)] & 0xff;
+ switch ((int) BITS (5, 6)) {
+ case LSL:
+ if (shamt == 0)
+ return (base);
+ else if (shamt == 32) {
+ ASSIGNC (base & 1);
+ return (0);
+ } else if (shamt > 32) {
+ CLEARC;
+ return (0);
+ } else {
+ ASSIGNC ((base >> (32 - shamt)) & 1);
+ return (base << shamt);
+ }
+ case LSR:
+ if (shamt == 0)
+ return (base);
+ else if (shamt == 32) {
+ ASSIGNC (base >> 31);
+ return (0);
+ } else if (shamt > 32) {
+ CLEARC;
+ return (0);
+ } else {
+ ASSIGNC ((base >> (shamt - 1)) & 1);
+ return (base >> shamt);
+ }
+ case ASR:
+ if (shamt == 0)
+ return (base);
+ else if (shamt >= 32) {
+ ASSIGNC (base >> 31L);
+ return ((ARMword) (( int) base >> 31L));
+ } else {
+ ASSIGNC ((ARMword)
+ (( int) base >>
+ (int) (shamt - 1)) & 1);
+ return ((ARMword)
+ ((int) base >> (int) shamt));
+ }
+ case ROR:
+ if (shamt == 0)
+ return (base);
+ shamt &= 0x1f;
+ if (shamt == 0) {
+ ASSIGNC (base >> 31);
+ return (base);
+ } else {
+ ASSIGNC ((base >> (shamt - 1)) & 1);
+ return ((base << (32 - shamt)) |
+ (base >> shamt));
+ }
}
- }
- }
- else {
- /* Shift amount is a constant. */
+ } else {
+ /* Shift amount is a constant. */
#ifndef MODE32
- if (base == 15)
- base = ECC | ER15INT | R15PC | EMODE;
- else
+ if (base == 15)
+ base = ECC | ER15INT | R15PC | EMODE;
+ else
#endif
- base = state->Reg[base];
- shamt = BITS (7, 11);
+ base = state->Reg[base];
+ shamt = BITS (7, 11);
- switch ((int) BITS (5, 6)) {
- case LSL:
- ASSIGNC ((base >> (32 - shamt)) & 1);
- return (base << shamt);
- case LSR:
- if (shamt == 0) {
- ASSIGNC (base >> 31);
- return (0);
- }
- else {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return (base >> shamt);
- }
- case ASR:
- if (shamt == 0) {
- ASSIGNC (base >> 31L);
- return ((ARMword) ((int) base >> 31L));
- }
- else {
- ASSIGNC ((ARMword)
- ((int) base >>
- (int) (shamt - 1)) & 1);
- return ((ARMword)
- (( int) base >> (int) shamt));
- }
- case ROR:
- if (shamt == 0) {
- /* It's an RRX. */
- shamt = CFLAG;
- ASSIGNC (base & 1);
- return ((base >> 1) | (shamt << 31));
- }
- else {
- ASSIGNC ((base >> (shamt - 1)) & 1);
- return ((base << (32 - shamt)) |
- (base >> shamt));
+ switch ((int) BITS (5, 6)) {
+ case LSL:
+ ASSIGNC ((base >> (32 - shamt)) & 1);
+ return (base << shamt);
+ case LSR:
+ if (shamt == 0) {
+ ASSIGNC (base >> 31);
+ return (0);
+ } else {
+ ASSIGNC ((base >> (shamt - 1)) & 1);
+ return (base >> shamt);
+ }
+ case ASR:
+ if (shamt == 0) {
+ ASSIGNC (base >> 31L);
+ return ((ARMword) ((int) base >> 31L));
+ } else {
+ ASSIGNC ((ARMword)
+ ((int) base >>
+ (int) (shamt - 1)) & 1);
+ return ((ARMword)
+ (( int) base >> (int) shamt));
+ }
+ case ROR:
+ if (shamt == 0) {
+ /* It's an RRX. */
+ shamt = CFLAG;
+ ASSIGNC (base & 1);
+ return ((base >> 1) | (shamt << 31));
+ } else {
+ ASSIGNC ((base >> (shamt - 1)) & 1);
+ return ((base << (32 - shamt)) |
+ (base >> shamt));
+ }
}
}
- }
- return 0;
-}
+ return 0;
+ }
-/* This routine handles writes to register 15 when the S bit is not set. */
+ /* This routine handles writes to register 15 when the S bit is not set. */
-static void
-WriteR15 (ARMul_State * state, ARMword src)
-{
- /* The ARM documentation states that the two least significant bits
- are discarded when setting PC, except in the cases handled by
- WriteR15Branch() below. It's probably an oversight: in THUMB
- mode, the second least significant bit should probably not be
- discarded. */
+ static void
+ WriteR15 (ARMul_State * state, ARMword src) {
+ /* The ARM documentation states that the two least significant bits
+ are discarded when setting PC, except in the cases handled by
+ WriteR15Branch() below. It's probably an oversight: in THUMB
+ mode, the second least significant bit should probably not be
+ discarded. */
#ifdef MODET
- if (TFLAG)
- src &= 0xfffffffe;
- else
+ if (TFLAG)
+ src &= 0xfffffffe;
+ else
#endif
- src &= 0xfffffffc;
+ src &= 0xfffffffc;
#ifdef MODE32
- state->Reg[15] = src & PCBITS;
+ state->Reg[15] = src & PCBITS;
#else
- state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE;
- ARMul_R15Altered (state);
+ state->Reg[15] = (src & R15PCBITS) | ECC | ER15INT | EMODE;
+ ARMul_R15Altered (state);
#endif
- FLUSHPIPE;
-}
+ FLUSHPIPE;
+ }
-/* This routine handles writes to register 15 when the S bit is set. */
+ /* This routine handles writes to register 15 when the S bit is set. */
-static void
-WriteSR15 (ARMul_State * state, ARMword src)
-{
+ static void
+ WriteSR15 (ARMul_State * state, ARMword src) {
#ifdef MODE32
- if (state->Bank > 0) {
- state->Cpsr = state->Spsr[state->Bank];
- ARMul_CPSRAltered (state);
- }
+ if (state->Bank > 0) {
+ state->Cpsr = state->Spsr[state->Bank];
+ //ARMul_CPSRAltered (state);
+ }
#ifdef MODET
- if (TFLAG)
- src &= 0xfffffffe;
- else
+ if (TFLAG)
+ src &= 0xfffffffe;
+ else
#endif
- src &= 0xfffffffc;
- state->Reg[15] = src & PCBITS;
+ src &= 0xfffffffc;
+ state->Reg[15] = src & PCBITS;
#else
#ifdef MODET
- if (TFLAG)
- /* ARMul_R15Altered would have to support it. */
- abort ();
- else
+ if (TFLAG)
+ /* ARMul_R15Altered would have to support it. */
+ abort ();
+ else
#endif
- src &= 0xfffffffc;
+ src &= 0xfffffffc;
- if (state->Bank == USERBANK)
- state->Reg[15] =
- (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE;
- else
- state->Reg[15] = src;
+ if (state->Bank == USERBANK)
+ state->Reg[15] =
+ (src & (CCBITS | R15PCBITS)) | ER15INT | EMODE;
+ else
+ state->Reg[15] = src;
- ARMul_R15Altered (state);
+ ARMul_R15Altered (state);
#endif
- FLUSHPIPE;
-}
+ FLUSHPIPE;
+ }
-/* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM
- will switch to Thumb mode if the least significant bit is set. */
+ /* In machines capable of running in Thumb mode, BX, BLX, LDR and LDM
+ will switch to Thumb mode if the least significant bit is set. */
-static void
-WriteR15Branch (ARMul_State * state, ARMword src)
-{
+ static void
+ WriteR15Branch (ARMul_State * state, ARMword src) {
#ifdef MODET
- if (src & 1) {
- /* Thumb bit. */
- SETT;
- state->Reg[15] = src & 0xfffffffe;
- }
- else {
- CLEART;
- state->Reg[15] = src & 0xfffffffc;
- }
- state->Cpsr = ARMul_GetCPSR (state);
- FLUSHPIPE;
+ if (src & 1) {
+ /* Thumb bit. */
+ SETT;
+ state->Reg[15] = src & 0xfffffffe;
+ } else {
+ CLEART;
+ state->Reg[15] = src & 0xfffffffc;
+ }
+ state->Cpsr = ARMul_GetCPSR (state);
+ FLUSHPIPE;
#else
- WriteR15 (state, src);
+ WriteR15 (state, src);
#endif
-}
+ }
-/* This routine evaluates most Load and Store register RHS's. It is
- intended to be called from the macro LSRegRHS, which filters the
- common case of an unshifted register with in line code. */
+ /* This routine evaluates most Load and Store register RHS's. It is
+ intended to be called from the macro LSRegRHS, which filters the
+ common case of an unshifted register with in line code. */
-static ARMword
-GetLSRegRHS (ARMul_State * state, ARMword instr)
-{
- ARMword shamt, base;
+ static ARMword
+ GetLSRegRHS (ARMul_State * state, ARMword instr) {
+ ARMword shamt, base;
- base = RHSReg;
+ base = RHSReg;
#ifndef MODE32
- if (base == 15)
- /* Now forbidden, but ... */
- base = ECC | ER15INT | R15PC | EMODE;
- else
-#endif
- base = state->Reg[base];
-
- shamt = BITS (7, 11);
- switch ((int) BITS (5, 6)) {
- case LSL:
- return (base << shamt);
- case LSR:
- if (shamt == 0)
- return (0);
- else
- return (base >> shamt);
- case ASR:
- if (shamt == 0)
- return ((ARMword) (( int) base >> 31L));
- else
- return ((ARMword) (( int) base >> (int) shamt));
- case ROR:
- if (shamt == 0)
- /* It's an RRX. */
- return ((base >> 1) | (CFLAG << 31));
+ if (base == 15)
+ /* Now forbidden, but ... */
+ base = ECC | ER15INT | R15PC | EMODE;
else
- return ((base << (32 - shamt)) | (base >> shamt));
- default:
- break;
+#endif
+ base = state->Reg[base];
+
+ shamt = BITS (7, 11);
+ switch ((int) BITS (5, 6)) {
+ case LSL:
+ return (base << shamt);
+ case LSR:
+ if (shamt == 0)
+ return (0);
+ else
+ return (base >> shamt);
+ case ASR:
+ if (shamt == 0)
+ return ((ARMword) (( int) base >> 31L));
+ else
+ return ((ARMword) (( int) base >> (int) shamt));
+ case ROR:
+ if (shamt == 0)
+ /* It's an RRX. */
+ return ((base >> 1) | (CFLAG << 31));
+ else
+ return ((base << (32 - shamt)) | (base >> shamt));
+ default:
+ break;
+ }
+ return 0;
}
- return 0;
-}
-/* This routine evaluates the ARM7T halfword and signed transfer RHS's. */
+ /* This routine evaluates the ARM7T halfword and signed transfer RHS's. */
-static ARMword
-GetLS7RHS (ARMul_State * state, ARMword instr)
-{
- if (BIT (22) == 0) {
- /* Register. */
+ static ARMword
+ GetLS7RHS (ARMul_State * state, ARMword instr) {
+ if (BIT (22) == 0) {
+ /* Register. */
#ifndef MODE32
- if (RHSReg == 15)
- /* Now forbidden, but ... */
- return ECC | ER15INT | R15PC | EMODE;
+ if (RHSReg == 15)
+ /* Now forbidden, but ... */
+ return ECC | ER15INT | R15PC | EMODE;
#endif
- return state->Reg[RHSReg];
- }
+ return state->Reg[RHSReg];
+ }
- /* Immediate. */
- return BITS (0, 3) | (BITS (8, 11) << 4);
-}
+ /* Immediate. */
+ return BITS (0, 3) | (BITS (8, 11) << 4);
+ }
-/* This function does the work of loading a word for a LDR instruction. */
+ /* This function does the work of loading a word for a LDR instruction. */
#define MEM_LOAD_LOG(description) if (skyeye_config.log.memlogon >= 1) { \
- fprintf(skyeye_logfd, \
- "m LOAD %s: N %llx :p %x :i %x :a %x :d %x\n", \
- description, state->NumInstrs, state->pc, instr, \
- address, dest); \
- }
+ fprintf(skyeye_logfd, \
+ "m LOAD %s: N %llx :p %x :i %x :a %x :d %x\n", \
+ description, state->NumInstrs, state->pc, instr, \
+ address, dest); \
+ }
#define MEM_STORE_LOG(description) if (skyeye_config.log.memlogon >= 1) { \
- fprintf(skyeye_logfd, \
- "m STORE %s: N %llx :p %x :i %x :a %x :d %x\n", \
- description, state->NumInstrs, state->pc, instr, \
- address, DEST); \
- }
+ fprintf(skyeye_logfd, \
+ "m STORE %s: N %llx :p %x :i %x :a %x :d %x\n", \
+ description, state->NumInstrs, state->pc, instr, \
+ address, DEST); \
+ }
-static unsigned
-LoadWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- ARMword dest;
+ static unsigned
+ LoadWord (ARMul_State * state, ARMword instr, ARMword address) {
+ ARMword dest;
- BUSUSEDINCPCS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (ADDREXCEPT (address))
+ INTERNALABORT (address);
#endif
- dest = ARMul_LoadWordN (state, address);
+ dest = ARMul_LoadWordN (state, address);
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
- }
- if (address & 3)
- dest = ARMul_Align (state, address, dest);
- WRITEDESTB (dest);
- ARMul_Icycles (state, 1, 0L);
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
+ if (address & 3)
+ dest = ARMul_Align (state, address, dest);
+ WRITEDESTB (dest);
+ ARMul_Icycles (state, 1, 0L);
- //MEM_LOAD_LOG("WORD");
+ //MEM_LOAD_LOG("WORD");
- return (DESTReg != LHSReg);
-}
+ return (DESTReg != LHSReg);
+ }
#ifdef MODET
-/* This function does the work of loading a halfword. */
+ /* This function does the work of loading a halfword. */
-static unsigned
-LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address,
- int signextend)
-{
- ARMword dest;
+ static unsigned
+ LoadHalfWord (ARMul_State * state, ARMword instr, ARMword address,
+ int signextend) {
+ ARMword dest;
- BUSUSEDINCPCS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (ADDREXCEPT (address))
+ INTERNALABORT (address);
#endif
- dest = ARMul_LoadHalfWord (state, address);
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
- }
- UNDEF_LSRBPC;
- if (signextend)
- if (dest & 1 << (16 - 1))
- dest = (dest & ((1 << 16) - 1)) - (1 << 16);
+ dest = ARMul_LoadHalfWord (state, address);
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
+ UNDEF_LSRBPC;
+ if (signextend)
+ if (dest & 1 << (16 - 1))
+ dest = (dest & ((1 << 16) - 1)) - (1 << 16);
- WRITEDEST (dest);
- ARMul_Icycles (state, 1, 0L);
+ WRITEDEST (dest);
+ ARMul_Icycles (state, 1, 0L);
- //MEM_LOAD_LOG("HALFWORD");
+ //MEM_LOAD_LOG("HALFWORD");
- return (DESTReg != LHSReg);
-}
+ return (DESTReg != LHSReg);
+ }
#endif /* MODET */
-/* This function does the work of loading a byte for a LDRB instruction. */
+ /* This function does the work of loading a byte for a LDRB instruction. */
-static unsigned
-LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend)
-{
- ARMword dest;
+ static unsigned
+ LoadByte (ARMul_State * state, ARMword instr, ARMword address, int signextend) {
+ ARMword dest;
- BUSUSEDINCPCS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (ADDREXCEPT (address))
+ INTERNALABORT (address);
#endif
- dest = ARMul_LoadByte (state, address);
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
- }
- UNDEF_LSRBPC;
- if (signextend)
- if (dest & 1 << (8 - 1))
- dest = (dest & ((1 << 8) - 1)) - (1 << 8);
+ dest = ARMul_LoadByte (state, address);
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
+ UNDEF_LSRBPC;
+ if (signextend)
+ if (dest & 1 << (8 - 1))
+ dest = (dest & ((1 << 8) - 1)) - (1 << 8);
- WRITEDEST (dest);
- ARMul_Icycles (state, 1, 0L);
+ WRITEDEST (dest);
+ ARMul_Icycles (state, 1, 0L);
- //MEM_LOAD_LOG("BYTE");
+ //MEM_LOAD_LOG("BYTE");
- return (DESTReg != LHSReg);
-}
+ return (DESTReg != LHSReg);
+ }
-/* This function does the work of loading two words for a LDRD instruction. */
+ /* This function does the work of loading two words for a LDRD instruction. */
+
+ static void
+ Handle_Load_Double (ARMul_State * state, ARMword instr) {
+ ARMword dest_reg;
+ ARMword addr_reg;
+ ARMword write_back = BIT (21);
+ ARMword immediate = BIT (22);
+ ARMword add_to_base = BIT (23);
+ ARMword pre_indexed = BIT (24);
+ ARMword offset;
+ ARMword addr;
+ ARMword sum;
+ ARMword base;
+ ARMword value1;
+ ARMword value2;
+
+ BUSUSEDINCPCS;
+
+ /* If the writeback bit is set, the pre-index bit must be clear. */
+ if (write_back && !pre_indexed) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
-static void
-Handle_Load_Double (ARMul_State * state, ARMword instr)
-{
- ARMword dest_reg;
- ARMword addr_reg;
- ARMword write_back = BIT (21);
- ARMword immediate = BIT (22);
- ARMword add_to_base = BIT (23);
- ARMword pre_indexed = BIT (24);
- ARMword offset;
- ARMword addr;
- ARMword sum;
- ARMword base;
- ARMword value1;
- ARMword value2;
-
- BUSUSEDINCPCS;
-
- /* If the writeback bit is set, the pre-index bit must be clear. */
- if (write_back && !pre_indexed) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Extract the base address register. */
+ addr_reg = LHSReg;
- /* Extract the base address register. */
- addr_reg = LHSReg;
+ /* Extract the destination register and check it. */
+ dest_reg = DESTReg;
- /* Extract the destination register and check it. */
- dest_reg = DESTReg;
+ /* Destination register must be even. */
+ if ((dest_reg & 1)
+ /* Destination register cannot be LR. */
+ || (dest_reg == 14)) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- /* Destination register must be even. */
- if ((dest_reg & 1)
- /* Destination register cannot be LR. */
- || (dest_reg == 14)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Compute the base address. */
+ base = state->Reg[addr_reg];
- /* Compute the base address. */
- base = state->Reg[addr_reg];
-
- /* Compute the offset. */
- offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
- Reg[RHSReg];
-
- /* Compute the sum of the two. */
- if (add_to_base)
- sum = base + offset;
- else
- sum = base - offset;
-
- /* If this is a pre-indexed mode use the sum. */
- if (pre_indexed)
- addr = sum;
- else
- addr = base;
-
- /* The address must be aligned on a 8 byte boundary. */
- // FIX(Normatt): Disable strict alignment on LDRD/STRD
-// if (addr & 0x7) {
-//#ifdef ABORTS
-// ARMul_DATAABORT (addr);
-//#else
-// ARMul_UndefInstr (state, instr);
-//#endif
-// return;
-// }
-
- /* For pre indexed or post indexed addressing modes,
- check that the destination registers do not overlap
- the address registers. */
- if ((!pre_indexed || write_back)
- && (addr_reg == dest_reg || addr_reg == dest_reg + 1)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Compute the offset. */
+ offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
+ Reg[RHSReg];
- /* Load the words. */
- value1 = ARMul_LoadWordN (state, addr);
- value2 = ARMul_LoadWordN (state, addr + 4);
+ /* Compute the sum of the two. */
+ if (add_to_base)
+ sum = base + offset;
+ else
+ sum = base - offset;
- /* Check for data aborts. */
- if (state->Aborted) {
- TAKEABORT;
- return;
- }
+ /* If this is a pre-indexed mode use the sum. */
+ if (pre_indexed)
+ addr = sum;
+ else
+ addr = base;
+
+ /* The address must be aligned on a 8 byte boundary. */
+ /*if (addr & 0x7) {
+ #ifdef ABORTS
+ ARMul_DATAABORT (addr);
+ #else
+ ARMul_UndefInstr (state, instr);
+ #endif
+ return;
+ }*/
+ /* Lets just forcibly align it for now */
+ //addr = (addr + 7) & ~7;
+
+ /* For pre indexed or post indexed addressing modes,
+ check that the destination registers do not overlap
+ the address registers. */
+ if ((!pre_indexed || write_back)
+ && (addr_reg == dest_reg || addr_reg == dest_reg + 1)) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- ARMul_Icycles (state, 2, 0L);
+ /* Load the words. */
+ value1 = ARMul_LoadWordN (state, addr);
+ value2 = ARMul_LoadWordN (state, addr + 4);
- /* Store the values. */
- state->Reg[dest_reg] = value1;
- state->Reg[dest_reg + 1] = value2;
+ /* Check for data aborts. */
+ if (state->Aborted) {
+ TAKEABORT;
+ return;
+ }
- /* Do the post addressing and writeback. */
- if (!pre_indexed)
- addr = sum;
+ ARMul_Icycles (state, 2, 0L);
- if (!pre_indexed || write_back)
- state->Reg[addr_reg] = addr;
-}
+ /* Store the values. */
+ state->Reg[dest_reg] = value1;
+ state->Reg[dest_reg + 1] = value2;
-/* This function does the work of storing two words for a STRD instruction. */
+ /* Do the post addressing and writeback. */
+ if (!pre_indexed)
+ addr = sum;
-static void
-Handle_Store_Double (ARMul_State * state, ARMword instr)
-{
- ARMword src_reg;
- ARMword addr_reg;
- ARMword write_back = BIT (21);
- ARMword immediate = BIT (22);
- ARMword add_to_base = BIT (23);
- ARMword pre_indexed = BIT (24);
- ARMword offset;
- ARMword addr;
- ARMword sum;
- ARMword base;
-
- BUSUSEDINCPCS;
-
- /* If the writeback bit is set, the pre-index bit must be clear. */
- if (write_back && !pre_indexed) {
- ARMul_UndefInstr (state, instr);
- return;
+ if (!pre_indexed || write_back)
+ state->Reg[addr_reg] = addr;
}
- /* Extract the base address register. */
- addr_reg = LHSReg;
+ /* This function does the work of storing two words for a STRD instruction. */
+
+ static void
+ Handle_Store_Double (ARMul_State * state, ARMword instr) {
+ ARMword src_reg;
+ ARMword addr_reg;
+ ARMword write_back = BIT (21);
+ ARMword immediate = BIT (22);
+ ARMword add_to_base = BIT (23);
+ ARMword pre_indexed = BIT (24);
+ ARMword offset;
+ ARMword addr;
+ ARMword sum;
+ ARMword base;
+
+ BUSUSEDINCPCS;
+
+ /* If the writeback bit is set, the pre-index bit must be clear. */
+ if (write_back && !pre_indexed) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- /* Base register cannot be PC. */
- if (addr_reg == 15) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Extract the base address register. */
+ addr_reg = LHSReg;
- /* Extract the source register. */
- src_reg = DESTReg;
+ /* Base register cannot be PC. */
+ if (addr_reg == 15) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- /* Source register must be even. */
- if (src_reg & 1) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Extract the source register. */
+ src_reg = DESTReg;
- /* Compute the base address. */
- base = state->Reg[addr_reg];
-
- /* Compute the offset. */
- offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
- Reg[RHSReg];
-
- /* Compute the sum of the two. */
- if (add_to_base)
- sum = base + offset;
- else
- sum = base - offset;
-
- /* If this is a pre-indexed mode use the sum. */
- if (pre_indexed)
- addr = sum;
- else
- addr = base;
-
- /* The address must be aligned on a 8 byte boundary. */
- // FIX(Normatt): Disable strict alignment on LDRD/STRD
-// if (addr & 0x7) {
-//#ifdef ABORTS
-// ARMul_DATAABORT (addr);
-//#else
-// ARMul_UndefInstr (state, instr);
-//#endif
-// return;
-// }
-
- /* For pre indexed or post indexed addressing modes,
- check that the destination registers do not overlap
- the address registers. */
- if ((!pre_indexed || write_back)
- && (addr_reg == src_reg || addr_reg == src_reg + 1)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ /* Source register must be even. */
+ if (src_reg & 1) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- /* Load the words. */
- ARMul_StoreWordN (state, addr, state->Reg[src_reg]);
- ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]);
+ /* Compute the base address. */
+ base = state->Reg[addr_reg];
- if (state->Aborted) {
- TAKEABORT;
- return;
- }
+ /* Compute the offset. */
+ offset = immediate ? ((BITS (8, 11) << 4) | BITS (0, 3)) : state->
+ Reg[RHSReg];
- /* Do the post addressing and writeback. */
- if (!pre_indexed)
- addr = sum;
+ /* Compute the sum of the two. */
+ if (add_to_base)
+ sum = base + offset;
+ else
+ sum = base - offset;
- if (!pre_indexed || write_back)
- state->Reg[addr_reg] = addr;
-}
+ /* If this is a pre-indexed mode use the sum. */
+ if (pre_indexed)
+ addr = sum;
+ else
+ addr = base;
+
+ /* The address must be aligned on a 8 byte boundary. */
+ /*if (addr & 0x7) {
+ #ifdef ABORTS
+ ARMul_DATAABORT (addr);
+ #else
+ ARMul_UndefInstr (state, instr);
+ #endif
+ return;
+ }*/
+ /* Lets just forcibly align it for now */
+ //addr = (addr + 7) & ~7;
+
+ /* For pre indexed or post indexed addressing modes,
+ check that the destination registers do not overlap
+ the address registers. */
+ if ((!pre_indexed || write_back)
+ && (addr_reg == src_reg || addr_reg == src_reg + 1)) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
-/* This function does the work of storing a word from a STR instruction. */
+ /* Load the words. */
+ ARMul_StoreWordN (state, addr, state->Reg[src_reg]);
+ ARMul_StoreWordN (state, addr + 4, state->Reg[src_reg + 1]);
-static unsigned
-StoreWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- //MEM_STORE_LOG("WORD");
+ if (state->Aborted) {
+ TAKEABORT;
+ return;
+ }
+
+ /* Do the post addressing and writeback. */
+ if (!pre_indexed)
+ addr = sum;
+
+ if (!pre_indexed || write_back)
+ state->Reg[addr_reg] = addr;
+ }
+
+ /* This function does the work of storing a word from a STR instruction. */
- BUSUSEDINCPCN;
+ static unsigned
+ StoreWord (ARMul_State * state, ARMword instr, ARMword address) {
+ //MEM_STORE_LOG("WORD");
+
+ BUSUSEDINCPCN;
#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
+ if (DESTReg == 15)
+ state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif
#ifdef MODE32
- ARMul_StoreWordN (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address)) {
- INTERNALABORT (address);
- (void) ARMul_LoadWordN (state, address);
- }
- else
ARMul_StoreWordN (state, address, DEST);
+#else
+ if (VECTORACCESS (address) || ADDREXCEPT (address)) {
+ INTERNALABORT (address);
+ (void) ARMul_LoadWordN (state, address);
+ } else
+ ARMul_StoreWordN (state, address, DEST);
#endif
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
- }
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
- return TRUE;
-}
+ return TRUE;
+ }
#ifdef MODET
-/* This function does the work of storing a byte for a STRH instruction. */
+ /* This function does the work of storing a byte for a STRH instruction. */
-static unsigned
-StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address)
-{
- //MEM_STORE_LOG("HALFWORD");
+ static unsigned
+ StoreHalfWord (ARMul_State * state, ARMword instr, ARMword address) {
+ //MEM_STORE_LOG("HALFWORD");
- BUSUSEDINCPCN;
+ BUSUSEDINCPCN;
#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
+ if (DESTReg == 15)
+ state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif
#ifdef MODE32
- ARMul_StoreHalfWord (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address)) {
- INTERNALABORT (address);
- (void) ARMul_LoadHalfWord (state, address);
- }
- else
ARMul_StoreHalfWord (state, address, DEST);
+#else
+ if (VECTORACCESS (address) || ADDREXCEPT (address)) {
+ INTERNALABORT (address);
+ (void) ARMul_LoadHalfWord (state, address);
+ } else
+ ARMul_StoreHalfWord (state, address, DEST);
#endif
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
+ return TRUE;
}
- return TRUE;
-}
#endif /* MODET */
-/* This function does the work of storing a byte for a STRB instruction. */
+ /* This function does the work of storing a byte for a STRB instruction. */
-static unsigned
-StoreByte (ARMul_State * state, ARMword instr, ARMword address)
-{
- //MEM_STORE_LOG("BYTE");
+ static unsigned
+ StoreByte (ARMul_State * state, ARMword instr, ARMword address) {
+ //MEM_STORE_LOG("BYTE");
- BUSUSEDINCPCN;
+ BUSUSEDINCPCN;
#ifndef MODE32
- if (DESTReg == 15)
- state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
+ if (DESTReg == 15)
+ state->Reg[15] = ECC | ER15INT | R15PC | EMODE;
#endif
#ifdef MODE32
- ARMul_StoreByte (state, address, DEST);
-#else
- if (VECTORACCESS (address) || ADDREXCEPT (address)) {
- INTERNALABORT (address);
- (void) ARMul_LoadByte (state, address);
- }
- else
ARMul_StoreByte (state, address, DEST);
+#else
+ if (VECTORACCESS (address) || ADDREXCEPT (address)) {
+ INTERNALABORT (address);
+ (void) ARMul_LoadByte (state, address);
+ } else
+ ARMul_StoreByte (state, address, DEST);
#endif
- if (state->Aborted) {
- TAKEABORT;
- return state->lateabtSig;
+ if (state->Aborted) {
+ TAKEABORT;
+ return state->lateabtSig;
+ }
+ //UNDEF_LSRBPC;
+ return TRUE;
}
- //UNDEF_LSRBPC;
- return TRUE;
-}
-/* This function does the work of loading the registers listed in an LDM
- instruction, when the S bit is clear. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
+ /* This function does the work of loading the registers listed in an LDM
+ instruction, when the S bit is clear. The code here is always increment
+ after, it's up to the caller to get the input address correct and to
+ handle base register modification. */
-static void
-LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase)
-{
- ARMword dest, temp;
+ static void
+ LoadMult (ARMul_State * state, ARMword instr, ARMword address, ARMword WBBase) {
+ ARMword dest, temp;
- //UNDEF_LSMNoRegs;
- //UNDEF_LSMPCBase;
- //UNDEF_LSMBaseInListWb;
- BUSUSEDINCPCS;
+ //UNDEF_LSMNoRegs;
+ //UNDEF_LSMPCBase;
+ //UNDEF_LSMBaseInListWb;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (ADDREXCEPT (address))
+ INTERNALABORT (address);
#endif
-/*chy 2004-05-23 may write twice
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-*/
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp++);
+ /*chy 2004-05-23 may write twice
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
+ */
+ /* N cycle first. */
+ for (temp = 0; !BIT (temp); temp++);
- dest = ARMul_LoadWordN (state, address);
+ dest = ARMul_LoadWordN (state, address);
+
+ if (!state->abortSig && !state->Aborted)
+ state->Reg[temp++] = dest;
+ else if (!state->Aborted) {
+ //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
+ state->Aborted = ARMul_DataAbortV;
+ }
+ /*chy 2004-05-23 chy goto end*/
+ if (state->Aborted)
+ goto L_ldm_makeabort;
+ /* S cycles from here on. */
+ for (; temp < 16; temp++)
+ if (BIT (temp)) {
+ /* Load this register. */
+ address += 4;
+ dest = ARMul_LoadWordS (state, address);
+
+ if (!state->abortSig && !state->Aborted)
+ state->Reg[temp] = dest;
+ else if (!state->Aborted) {
+ /*XScale_set_fsr_far (state,
+ ARMul_CP15_R5_ST_ALIGN,
+ address);*/
+ state->Aborted = ARMul_DataAbortV;
+ }
+ /*chy 2004-05-23 chy goto end */
+ if (state->Aborted)
+ goto L_ldm_makeabort;
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp++] = dest;
- else if (!state->Aborted) {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
-/*chy 2004-05-23 chy goto end*/
- if (state->Aborted)
- goto L_ldm_makeabort;
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp)) {
- /* Load this register. */
- address += 4;
- dest = ARMul_LoadWordS (state, address);
-
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp] = dest;
- else if (!state->Aborted) {
- XScale_set_fsr_far (state,
- ARMul_CP15_R5_ST_ALIGN,
- address);
- state->Aborted = ARMul_DataAbortV;
}
- /*chy 2004-05-23 chy goto end */
- if (state->Aborted)
- goto L_ldm_makeabort;
- }
+ if (BIT (15) && !state->Aborted)
+ /* PC is in the reg list. */
+ WriteR15Branch (state, PC);
- if (BIT (15) && !state->Aborted)
- /* PC is in the reg list. */
- WriteR15Branch(state, (state->Reg[15] & PCMASK));
+ /* To write back the final register. */
+ /* ARMul_Icycles (state, 1, 0L);*/
+ /*chy 2004-05-23, see below
+ if (state->Aborted)
+ {
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
- /* To write back the final register. */
-/* ARMul_Icycles (state, 1, 0L);*/
-/*chy 2004-05-23, see below
- if (state->Aborted)
- {
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
+ TAKEABORT;
+ }
+ */
+ /*chy 2004-05-23 should compare the Abort Models*/
+L_ldm_makeabort:
+ /* To write back the final register. */
+ ARMul_Icycles (state, 1, 0L);
- TAKEABORT;
- }
-*/
-/*chy 2004-05-23 should compare the Abort Models*/
- L_ldm_makeabort:
- /* To write back the final register. */
- ARMul_Icycles (state, 1, 0L);
-
- /* chy 2005-11-24, bug found by benjl@cse.unsw.edu.au, etc */
- /*
- if (state->Aborted)
- {
- if (BIT (21) && LHSReg != 15)
- if (!(state->abortSig && state->Aborted && state->lateabtSig == LOW))
- LSBase = WBBase;
- TAKEABORT;
- }else if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
- */
- if (state->Aborted) {
- if (BIT (21) && LHSReg != 15) {
- if (!(state->abortSig)) {
+ /* chy 2005-11-24, bug found by benjl@cse.unsw.edu.au, etc */
+ /*
+ if (state->Aborted)
+ {
+ if (BIT (21) && LHSReg != 15)
+ if (!(state->abortSig && state->Aborted && state->lateabtSig == LOW))
+ LSBase = WBBase;
+ TAKEABORT;
+ }else if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
+ */
+ if (state->Aborted) {
+ if (BIT (21) && LHSReg != 15) {
+ if (!(state->abortSig)) {
+ }
}
+ TAKEABORT;
+ } else if (BIT (21) && LHSReg != 15) {
+ LSBase = WBBase;
}
- TAKEABORT;
- }
- else if (BIT (21) && LHSReg != 15) {
- LSBase = WBBase;
+ /* chy 2005-11-24, over */
+
}
- /* chy 2005-11-24, over */
-}
+ /* This function does the work of loading the registers listed in an LDM
+ instruction, when the S bit is set. The code here is always increment
+ after, it's up to the caller to get the input address correct and to
+ handle base register modification. */
-/* This function does the work of loading the registers listed in an LDM
- instruction, when the S bit is set. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
+ static void
+ LoadSMult (ARMul_State * state,
+ ARMword instr, ARMword address, ARMword WBBase) {
+ ARMword dest, temp;
-static void
-LoadSMult (ARMul_State * state,
- ARMword instr, ARMword address, ARMword WBBase)
-{
- ARMword dest, temp;
+ //UNDEF_LSMNoRegs;
+ //UNDEF_LSMPCBase;
+ //UNDEF_LSMBaseInListWb;
- //UNDEF_LSMNoRegs;
- //UNDEF_LSMPCBase;
- //UNDEF_LSMBaseInListWb;
-
- BUSUSEDINCPCS;
+ BUSUSEDINCPCS;
#ifndef MODE32
- if (ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (ADDREXCEPT (address))
+ INTERNALABORT (address);
#endif
-/* chy 2004-05-23, may write twice
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
-*/
- if (!BIT (15) && state->Bank != USERBANK) {
- /* Temporary reg bank switch. */
- (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
- UNDEF_LSMUserBankWb;
- }
+ /* chy 2004-05-23, may write twice
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
+ */
+ if (!BIT (15) && state->Bank != USERBANK) {
+ /* Temporary reg bank switch. */
+ (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
+ UNDEF_LSMUserBankWb;
+ }
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp++);
+ /* N cycle first. */
+ for (temp = 0; !BIT (temp); temp++);
- dest = ARMul_LoadWordN (state, address);
+ dest = ARMul_LoadWordN (state, address);
- if (!state->abortSig)
- state->Reg[temp++] = dest;
- else if (!state->Aborted) {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
+ if (!state->abortSig)
+ state->Reg[temp++] = dest;
+ else if (!state->Aborted) {
+ //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
+ state->Aborted = ARMul_DataAbortV;
+ }
-/*chy 2004-05-23 chy goto end*/
- if (state->Aborted)
- goto L_ldm_s_makeabort;
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp)) {
- /* Load this register. */
- address += 4;
- dest = ARMul_LoadWordS (state, address);
-
- if (!state->abortSig && !state->Aborted)
- state->Reg[temp] = dest;
- else if (!state->Aborted) {
- XScale_set_fsr_far (state,
- ARMul_CP15_R5_ST_ALIGN,
- address);
- state->Aborted = ARMul_DataAbortV;
+ /*chy 2004-05-23 chy goto end*/
+ if (state->Aborted)
+ goto L_ldm_s_makeabort;
+ /* S cycles from here on. */
+ for (; temp < 16; temp++)
+ if (BIT (temp)) {
+ /* Load this register. */
+ address += 4;
+ dest = ARMul_LoadWordS (state, address);
+
+ if (!state->abortSig && !state->Aborted)
+ state->Reg[temp] = dest;
+ else if (!state->Aborted) {
+ /*XScale_set_fsr_far (state,
+ ARMul_CP15_R5_ST_ALIGN,
+ address);*/
+ state->Aborted = ARMul_DataAbortV;
+ }
+ /*chy 2004-05-23 chy goto end */
+ if (state->Aborted)
+ goto L_ldm_s_makeabort;
}
- /*chy 2004-05-23 chy goto end */
- if (state->Aborted)
- goto L_ldm_s_makeabort;
- }
-/*chy 2004-05-23 label of ldm_s_makeabort*/
- L_ldm_s_makeabort:
-/*chy 2004-06-06 LSBase process should be here, not in the end of this function. Because ARMul_CPSRAltered maybe change R13(SP) R14(lr). If not, simulate INSTR ldmia sp!,[....pc]^ error.*/
-/*chy 2004-05-23 should compare the Abort Models*/
- if (state->Aborted) {
- if (BIT (21) && LHSReg != 15)
- if (!
- (state->abortSig && state->Aborted
- && state->lateabtSig == LOW))
- LSBase = WBBase;
- TAKEABORT;
- }
- else if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
+ /*chy 2004-05-23 label of ldm_s_makeabort*/
+L_ldm_s_makeabort:
+ /*chy 2004-06-06 LSBase process should be here, not in the end of this function. Because ARMul_CPSRAltered maybe change R13(SP) R14(lr). If not, simulate INSTR ldmia sp!,[....pc]^ error.*/
+ /*chy 2004-05-23 should compare the Abort Models*/
+ if (state->Aborted) {
+ if (BIT (21) && LHSReg != 15)
+ if (!
+ (state->abortSig && state->Aborted
+ && state->lateabtSig == LOW))
+ LSBase = WBBase;
+ TAKEABORT;
+ } else if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
- if (BIT (15) && !state->Aborted) {
- /* PC is in the reg list. */
+ if (BIT (15) && !state->Aborted) {
+ /* PC is in the reg list. */
#ifdef MODE32
//chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
- if (state->Mode != USER26MODE && state->Mode != USER32MODE ){
- state->Cpsr = GETSPSR (state->Bank);
- ARMul_CPSRAltered (state);
- }
+ if (state->Mode != USER26MODE && state->Mode != USER32MODE ) {
+ state->Cpsr = GETSPSR (state->Bank);
+ //ARMul_CPSRAltered (state);
+ }
- WriteR15 (state, (state->Reg[15] & PCMASK));
+ WriteR15 (state, PC);
#else
//chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
- if (state->Mode == USER26MODE || state->Mode == USER32MODE ) {
- /* Protect bits in user mode. */
- ASSIGNN ((state->Reg[15] & NBIT) != 0);
- ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
- ASSIGNC ((state->Reg[15] & CBIT) != 0);
- ASSIGNV ((state->Reg[15] & VBIT) != 0);
+ if (state->Mode == USER26MODE || state->Mode == USER32MODE ) {
+ /* Protect bits in user mode. */
+ ASSIGNN ((state->Reg[15] & NBIT) != 0);
+ ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
+ ASSIGNC ((state->Reg[15] & CBIT) != 0);
+ ASSIGNV ((state->Reg[15] & VBIT) != 0);
+ } else
+ ARMul_R15Altered (state);
+
+ FLUSHPIPE;
+#endif
}
- else
- ARMul_R15Altered (state);
- FLUSHPIPE;
-#endif
- }
+ //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
+ if (!BIT (15) && state->Mode != USER26MODE
+ && state->Mode != USER32MODE )
+ /* Restore the correct bank. */
+ (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
- //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
- if (!BIT (15) && state->Mode != USER26MODE
- && state->Mode != USER32MODE )
- /* Restore the correct bank. */
- (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
-
- /* To write back the final register. */
- ARMul_Icycles (state, 1, 0L);
-/* chy 2004-05-23, see below
- if (state->Aborted)
- {
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
+ /* To write back the final register. */
+ ARMul_Icycles (state, 1, 0L);
+ /* chy 2004-05-23, see below
+ if (state->Aborted)
+ {
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
- TAKEABORT;
+ TAKEABORT;
+ }
+ */
}
-*/
-}
-/* This function does the work of storing the registers listed in an STM
- instruction, when the S bit is clear. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
+ /* This function does the work of storing the registers listed in an STM
+ instruction, when the S bit is clear. The code here is always increment
+ after, it's up to the caller to get the input address correct and to
+ handle base register modification. */
-static void
-StoreMult (ARMul_State * state,
- ARMword instr, ARMword address, ARMword WBBase)
-{
- ARMword temp;
+ static void
+ StoreMult (ARMul_State * state,
+ ARMword instr, ARMword address, ARMword WBBase) {
+ ARMword temp;
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
+ UNDEF_LSMNoRegs;
+ UNDEF_LSMPCBase;
+ UNDEF_LSMBaseInListWb;
- if (!TFLAG)
- /* N-cycle, increment the PC and update the NextInstr state. */
- BUSUSEDINCPCN;
+ if (!TFLAG)
+ /* N-cycle, increment the PC and update the NextInstr state. */
+ BUSUSEDINCPCN;
#ifndef MODE32
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (VECTORACCESS (address) || ADDREXCEPT (address))
+ INTERNALABORT (address);
- if (BIT (15))
- PATCHR15;
+ if (BIT (15))
+ PATCHR15;
#endif
- /* N cycle first. */
- for (temp = 0; !BIT (temp); temp++);
+ /* N cycle first. */
+ for (temp = 0; !BIT (temp); temp++);
#ifdef MODE32
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
+ ARMul_StoreWordN (state, address, state->Reg[temp++]);
#else
- if (state->Aborted) {
- (void) ARMul_LoadWordN (state, address);
+ if (state->Aborted) {
+ (void) ARMul_LoadWordN (state, address);
- /* Fake the Stores as Loads. */
+ /* Fake the Stores as Loads. */
+ for (; temp < 16; temp++)
+ if (BIT (temp)) {
+ /* Save this register. */
+ address += 4;
+ (void) ARMul_LoadWordS (state, address);
+ }
+
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
+ TAKEABORT;
+ return;
+ } else
+ ARMul_StoreWordN (state, address, state->Reg[temp++]);
+#endif
+
+ if (state->abortSig && !state->Aborted) {
+ //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
+ state->Aborted = ARMul_DataAbortV;
+ }
+
+//chy 2004-05-23, needn't store other when aborted
+ if (state->Aborted)
+ goto L_stm_takeabort;
+
+ /* S cycles from here on. */
for (; temp < 16; temp++)
if (BIT (temp)) {
/* Save this register. */
address += 4;
- (void) ARMul_LoadWordS (state, address);
- }
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
- TAKEABORT;
- return;
- }
- else
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#endif
+ ARMul_StoreWordS (state, address, state->Reg[temp]);
- if (state->abortSig && !state->Aborted) {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
- }
+ if (state->abortSig && !state->Aborted) {
+ /*XScale_set_fsr_far (state,
+ ARMul_CP15_R5_ST_ALIGN,
+ address);*/
+ state->Aborted = ARMul_DataAbortV;
+ }
+ //chy 2004-05-23, needn't store other when aborted
+ if (state->Aborted)
+ goto L_stm_takeabort;
-//chy 2004-05-23, needn't store other when aborted
- if (state->Aborted)
- goto L_stm_takeabort;
-
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp)) {
- /* Save this register. */
- address += 4;
-
- ARMul_StoreWordS (state, address, state->Reg[temp]);
-
- if (state->abortSig && !state->Aborted) {
- XScale_set_fsr_far (state,
- ARMul_CP15_R5_ST_ALIGN,
- address);
- state->Aborted = ARMul_DataAbortV;
}
- //chy 2004-05-23, needn't store other when aborted
- if (state->Aborted)
- goto L_stm_takeabort;
-
- }
//chy 2004-05-23,should compare the Abort Models
- L_stm_takeabort:
- if (BIT (21) && LHSReg != 15) {
- if (!
- (state->abortSig && state->Aborted
- && state->lateabtSig == LOW))
- LSBase = WBBase;
+L_stm_takeabort:
+ if (BIT (21) && LHSReg != 15) {
+ if (!
+ (state->abortSig && state->Aborted
+ && state->lateabtSig == LOW))
+ LSBase = WBBase;
+ }
+ if (state->Aborted)
+ TAKEABORT;
}
- if (state->Aborted)
- TAKEABORT;
-}
-/* This function does the work of storing the registers listed in an STM
- instruction when the S bit is set. The code here is always increment
- after, it's up to the caller to get the input address correct and to
- handle base register modification. */
+ /* This function does the work of storing the registers listed in an STM
+ instruction when the S bit is set. The code here is always increment
+ after, it's up to the caller to get the input address correct and to
+ handle base register modification. */
-static void
-StoreSMult (ARMul_State * state,
- ARMword instr, ARMword address, ARMword WBBase)
-{
- ARMword temp;
+ static void
+ StoreSMult (ARMul_State * state,
+ ARMword instr, ARMword address, ARMword WBBase) {
+ ARMword temp;
- UNDEF_LSMNoRegs;
- UNDEF_LSMPCBase;
- UNDEF_LSMBaseInListWb;
+ UNDEF_LSMNoRegs;
+ UNDEF_LSMPCBase;
+ UNDEF_LSMBaseInListWb;
- BUSUSEDINCPCN;
+ BUSUSEDINCPCN;
#ifndef MODE32
- if (VECTORACCESS (address) || ADDREXCEPT (address))
- INTERNALABORT (address);
+ if (VECTORACCESS (address) || ADDREXCEPT (address))
+ INTERNALABORT (address);
- if (BIT (15))
- PATCHR15;
+ if (BIT (15))
+ PATCHR15;
#endif
- if (state->Bank != USERBANK) {
- /* Force User Bank. */
- (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
- UNDEF_LSMUserBankWb;
- }
+ if (state->Bank != USERBANK) {
+ /* Force User Bank. */
+ (void) ARMul_SwitchMode (state, state->Mode, USER26MODE);
+ UNDEF_LSMUserBankWb;
+ }
- for (temp = 0; !BIT (temp); temp++); /* N cycle first. */
+ for (temp = 0; !BIT (temp); temp++); /* N cycle first. */
#ifdef MODE32
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
+ ARMul_StoreWordN (state, address, state->Reg[temp++]);
#else
- if (state->Aborted) {
- (void) ARMul_LoadWordN (state, address);
+ if (state->Aborted) {
+ (void) ARMul_LoadWordN (state, address);
+
+ for (; temp < 16; temp++)
+ /* Fake the Stores as Loads. */
+ if (BIT (temp)) {
+ /* Save this register. */
+ address += 4;
+
+ (void) ARMul_LoadWordS (state, address);
+ }
+
+ if (BIT (21) && LHSReg != 15)
+ LSBase = WBBase;
+ TAKEABORT;
+ return;
+ } else
+ ARMul_StoreWordN (state, address, state->Reg[temp++]);
+#endif
+
+ if (state->abortSig && !state->Aborted) {
+ //XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
+ state->Aborted = ARMul_DataAbortV;
+ }
+
+//chy 2004-05-23, needn't store other when aborted
+ if (state->Aborted)
+ goto L_stm_s_takeabort;
+ /* S cycles from here on. */
for (; temp < 16; temp++)
- /* Fake the Stores as Loads. */
if (BIT (temp)) {
/* Save this register. */
address += 4;
- (void) ARMul_LoadWordS (state, address);
+ ARMul_StoreWordS (state, address, state->Reg[temp]);
+
+ if (state->abortSig && !state->Aborted) {
+ /*XScale_set_fsr_far (state,
+ ARMul_CP15_R5_ST_ALIGN,
+ address);*/
+ state->Aborted = ARMul_DataAbortV;
+ }
+ //chy 2004-05-23, needn't store other when aborted
+ if (state->Aborted)
+ goto L_stm_s_takeabort;
}
- if (BIT (21) && LHSReg != 15)
- LSBase = WBBase;
+ //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
+ if (state->Mode != USER26MODE && state->Mode != USER32MODE )
+ /* Restore the correct bank. */
+ (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
+
+
+//chy 2004-05-23,should compare the Abort Models
+L_stm_s_takeabort:
+ if (BIT (21) && LHSReg != 15) {
+ if (!
+ (state->abortSig && state->Aborted
+ && state->lateabtSig == LOW))
+ LSBase = WBBase;
+ }
- TAKEABORT;
- return;
+ if (state->Aborted)
+ TAKEABORT;
}
- else
- ARMul_StoreWordN (state, address, state->Reg[temp++]);
-#endif
- if (state->abortSig && !state->Aborted) {
- XScale_set_fsr_far (state, ARMul_CP15_R5_ST_ALIGN, address);
- state->Aborted = ARMul_DataAbortV;
+ /* This function does the work of adding two 32bit values
+ together, and calculating if a carry has occurred. */
+
+ static ARMword
+ Add32 (ARMword a1, ARMword a2, int *carry) {
+ ARMword result = (a1 + a2);
+ unsigned int uresult = (unsigned int) result;
+ unsigned int ua1 = (unsigned int) a1;
+
+ /* If (result == RdLo) and (state->Reg[nRdLo] == 0),
+ or (result > RdLo) then we have no carry. */
+ if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1))
+ *carry = 1;
+ else
+ *carry = 0;
+
+ return result;
}
-//chy 2004-05-23, needn't store other when aborted
- if (state->Aborted)
- goto L_stm_s_takeabort;
- /* S cycles from here on. */
- for (; temp < 16; temp++)
- if (BIT (temp)) {
- /* Save this register. */
- address += 4;
-
- ARMul_StoreWordS (state, address, state->Reg[temp]);
-
- if (state->abortSig && !state->Aborted) {
- XScale_set_fsr_far (state,
- ARMul_CP15_R5_ST_ALIGN,
- address);
- state->Aborted = ARMul_DataAbortV;
+ /* This function does the work of multiplying
+ two 32bit values to give a 64bit result. */
+
+ static unsigned
+ Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc) {
+ /* Operand register numbers. */
+ int nRdHi, nRdLo, nRs, nRm;
+ ARMword RdHi = 0, RdLo = 0, Rm;
+ /* Cycle count. */
+ int scount;
+
+ nRdHi = BITS (16, 19);
+ nRdLo = BITS (12, 15);
+ nRs = BITS (8, 11);
+ nRm = BITS (0, 3);
+
+ /* Needed to calculate the cycle count. */
+ Rm = state->Reg[nRm];
+
+ /* Check for illegal operand combinations first. */
+ if (nRdHi != 15
+ && nRdLo != 15
+ && nRs != 15
+ //&& nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) {
+ && nRm != 15 && nRdHi != nRdLo ) {
+ /* Intermediate results. */
+ ARMword lo, mid1, mid2, hi;
+ int carry;
+ ARMword Rs = state->Reg[nRs];
+ int sign = 0;
+
+ if (msigned) {
+ /* Compute sign of result and adjust operands if necessary. */
+ sign = (Rm ^ Rs) & 0x80000000;
+
+ if (((signed int) Rm) < 0)
+ Rm = -Rm;
+
+ if (((signed int) Rs) < 0)
+ Rs = -Rs;
}
- //chy 2004-05-23, needn't store other when aborted
- if (state->Aborted)
- goto L_stm_s_takeabort;
- }
- //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
- if (state->Mode != USER26MODE && state->Mode != USER32MODE )
- /* Restore the correct bank. */
- (void) ARMul_SwitchMode (state, USER26MODE, state->Mode);
+ /* We can split the 32x32 into four 16x16 operations. This
+ ensures that we do not lose precision on 32bit only hosts. */
+ lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF));
+ mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
+ mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF));
+ hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
+
+ /* We now need to add all of these results together, taking
+ care to propogate the carries from the additions. */
+ RdLo = Add32 (lo, (mid1 << 16), &carry);
+ RdHi = carry;
+ RdLo = Add32 (RdLo, (mid2 << 16), &carry);
+ RdHi += (carry + ((mid1 >> 16) & 0xFFFF) +
+ ((mid2 >> 16) & 0xFFFF) + hi);
+
+ if (sign) {
+ /* Negate result if necessary. */
+ RdLo = ~RdLo;
+ RdHi = ~RdHi;
+ if (RdLo == 0xFFFFFFFF) {
+ RdLo = 0;
+ RdHi += 1;
+ } else
+ RdLo += 1;
+ }
+ state->Reg[nRdLo] = RdLo;
+ state->Reg[nRdHi] = RdHi;
+ } else {
+ fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS, instr=0x%x\n", instr);
+ }
+ if (scc)
+ /* Ensure that both RdHi and RdLo are used to compute Z,
+ but don't let RdLo's sign bit make it to N. */
+ ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
+
+ /* The cycle count depends on whether the instruction is a signed or
+ unsigned multiply, and what bits are clear in the multiplier. */
+ if (msigned && (Rm & ((unsigned) 1 << 31)))
+ /* Invert the bits to make the check against zero. */
+ Rm = ~Rm;
+
+ if ((Rm & 0xFFFFFF00) == 0)
+ scount = 1;
+ else if ((Rm & 0xFFFF0000) == 0)
+ scount = 2;
+ else if ((Rm & 0xFF000000) == 0)
+ scount = 3;
+ else
+ scount = 4;
-//chy 2004-05-23,should compare the Abort Models
- L_stm_s_takeabort:
- if (BIT (21) && LHSReg != 15) {
- if (!
- (state->abortSig && state->Aborted
- && state->lateabtSig == LOW))
- LSBase = WBBase;
+ return 2 + scount;
}
- if (state->Aborted)
- TAKEABORT;
-}
+ /* This function does the work of multiplying two 32bit
+ values and adding a 64bit value to give a 64bit result. */
-/* This function does the work of adding two 32bit values
- together, and calculating if a carry has occurred. */
+ static unsigned
+ MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc) {
+ unsigned scount;
+ ARMword RdLo, RdHi;
+ int nRdHi, nRdLo;
+ int carry = 0;
-static ARMword
-Add32 (ARMword a1, ARMword a2, int *carry)
-{
- ARMword result = (a1 + a2);
- unsigned int uresult = (unsigned int) result;
- unsigned int ua1 = (unsigned int) a1;
-
- /* If (result == RdLo) and (state->Reg[nRdLo] == 0),
- or (result > RdLo) then we have no carry. */
- if ((uresult == ua1) ? (a2 != 0) : (uresult < ua1))
- *carry = 1;
- else
- *carry = 0;
-
- return result;
-}
+ nRdHi = BITS (16, 19);
+ nRdLo = BITS (12, 15);
-/* This function does the work of multiplying
- two 32bit values to give a 64bit result. */
+ RdHi = state->Reg[nRdHi];
+ RdLo = state->Reg[nRdLo];
-static unsigned
-Multiply64 (ARMul_State * state, ARMword instr, int msigned, int scc)
-{
- /* Operand register numbers. */
- int nRdHi, nRdLo, nRs, nRm;
- ARMword RdHi = 0, RdLo = 0, Rm;
- /* Cycle count. */
- int scount;
-
- nRdHi = BITS (16, 19);
- nRdLo = BITS (12, 15);
- nRs = BITS (8, 11);
- nRm = BITS (0, 3);
-
- /* Needed to calculate the cycle count. */
- Rm = state->Reg[nRm];
-
- /* Check for illegal operand combinations first. */
- if (nRdHi != 15
- && nRdLo != 15
- && nRs != 15
- //&& nRm != 15 && nRdHi != nRdLo && nRdHi != nRm && nRdLo != nRm) {
- && nRm != 15 && nRdHi != nRdLo ) {
- /* Intermediate results. */
- ARMword lo, mid1, mid2, hi;
- int carry;
- ARMword Rs = state->Reg[nRs];
- int sign = 0;
-
- if (msigned) {
- /* Compute sign of result and adjust operands if necessary. */
- sign = (Rm ^ Rs) & 0x80000000;
-
- if (((signed int) Rm) < 0)
- Rm = -Rm;
-
- if (((signed int) Rs) < 0)
- Rs = -Rs;
- }
+ scount = Multiply64 (state, instr, msigned, LDEFAULT);
- /* We can split the 32x32 into four 16x16 operations. This
- ensures that we do not lose precision on 32bit only hosts. */
- lo = ((Rs & 0xFFFF) * (Rm & 0xFFFF));
- mid1 = ((Rs & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
- mid2 = (((Rs >> 16) & 0xFFFF) * (Rm & 0xFFFF));
- hi = (((Rs >> 16) & 0xFFFF) * ((Rm >> 16) & 0xFFFF));
-
- /* We now need to add all of these results together, taking
- care to propogate the carries from the additions. */
- RdLo = Add32 (lo, (mid1 << 16), &carry);
- RdHi = carry;
- RdLo = Add32 (RdLo, (mid2 << 16), &carry);
- RdHi += (carry + ((mid1 >> 16) & 0xFFFF) +
- ((mid2 >> 16) & 0xFFFF) + hi);
-
- if (sign) {
- /* Negate result if necessary. */
- RdLo = ~RdLo;
- RdHi = ~RdHi;
- if (RdLo == 0xFFFFFFFF) {
- RdLo = 0;
- RdHi += 1;
- }
- else
- RdLo += 1;
- }
+ RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry);
+ RdHi = (RdHi + state->Reg[nRdHi]) + carry;
state->Reg[nRdLo] = RdLo;
state->Reg[nRdHi] = RdHi;
+
+ if (scc)
+ /* Ensure that both RdHi and RdLo are used to compute Z,
+ but don't let RdLo's sign bit make it to N. */
+ ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
+
+ /* Extra cycle for addition. */
+ return scount + 1;
}
- else{
- fprintf (stderr, "sim: MULTIPLY64 - INVALID ARGUMENTS, instr=0x%x\n", instr);
- }
- if (scc)
- /* Ensure that both RdHi and RdLo are used to compute Z,
- but don't let RdLo's sign bit make it to N. */
- ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
-
- /* The cycle count depends on whether the instruction is a signed or
- unsigned multiply, and what bits are clear in the multiplier. */
- if (msigned && (Rm & ((unsigned) 1 << 31)))
- /* Invert the bits to make the check against zero. */
- Rm = ~Rm;
-
- if ((Rm & 0xFFFFFF00) == 0)
- scount = 1;
- else if ((Rm & 0xFFFF0000) == 0)
- scount = 2;
- else if ((Rm & 0xFF000000) == 0)
- scount = 3;
- else
- scount = 4;
-
- return 2 + scount;
-}
-/* This function does the work of multiplying two 32bit
- values and adding a 64bit value to give a 64bit result. */
+ /* Attempt to emulate an ARMv6 instruction.
+ Returns non-zero upon success. */
+
+ static int
+ handle_v6_insn (ARMul_State * state, ARMword instr) {
+ switch (BITS (20, 27)) {
+ //ichfly
+ case 0x66: //UQSUB8
+ if ((instr & 0x0FF00FF0) == 0x06600FF0) {
+ u32 rd = (instr >> 12) & 0xF;
+ u32 rm = (instr >> 16) & 0xF;
+ u32 rn = (instr >> 0) & 0xF;
+ u32 subfrom = state->Reg[rm];
+ u32 tosub = state->Reg[rn];
+
+ u8 b1 = (u8)((u8)(subfrom)-(u8)(tosub));
+ if (b1 > (u8)(subfrom)) b1 = 0;
+ u8 b2 = (u8)((u8)(subfrom >> 8) - (u8)(tosub >> 8));
+ if (b2 > (u8)(subfrom >> 8)) b2 = 0;
+ u8 b3 = (u8)((u8)(subfrom >> 16) - (u8)(tosub >> 16));
+ if (b3 > (u8)(subfrom >> 16)) b3 = 0;
+ u8 b4 = (u8)((u8)(subfrom >> 24) - (u8)(tosub >> 24));
+ if (b4 > (u8)(subfrom >> 24)) b4 = 0;
+ state->Reg[rd] = (u32)(b1 | b2 << 8 | b3 << 16 | b4 << 24);
+ return 1;
+ } else {
+ printf("UQSUB8 decoding fail %08X",instr);
+ }
+#if 0
+ case 0x03:
+ printf ("Unhandled v6 insn: ldr\n");
+ break;
+ case 0x04:
+ printf ("Unhandled v6 insn: umaal\n");
+ break;
+ case 0x06:
+ printf ("Unhandled v6 insn: mls/str\n");
+ break;
+ case 0x16:
+ printf ("Unhandled v6 insn: smi\n");
+ break;
+ case 0x18:
+ printf ("Unhandled v6 insn: strex\n");
+ break;
+ case 0x19:
+ printf ("Unhandled v6 insn: ldrex\n");
+ break;
+ case 0x1a:
+ printf ("Unhandled v6 insn: strexd\n");
+ break;
+ case 0x1b:
+ printf ("Unhandled v6 insn: ldrexd\n");
+ break;
+ case 0x1c:
+ printf ("Unhandled v6 insn: strexb\n");
+ break;
+ case 0x1d:
+ printf ("Unhandled v6 insn: ldrexb\n");
+ break;
+ case 0x1e:
+ printf ("Unhandled v6 insn: strexh\n");
+ break;
+ case 0x1f:
+ printf ("Unhandled v6 insn: ldrexh\n");
+ break;
+ case 0x30:
+ printf ("Unhandled v6 insn: movw\n");
+ break;
+ case 0x32:
+ printf ("Unhandled v6 insn: nop/sev/wfe/wfi/yield\n");
+ break;
+ case 0x34:
+ printf ("Unhandled v6 insn: movt\n");
+ break;
+ case 0x3f:
+ printf ("Unhandled v6 insn: rbit\n");
+ break;
+ case 0x61:
+ printf ("Unhandled v6 insn: sadd/ssub\n");
+ break;
+ case 0x62:
+ printf ("Unhandled v6 insn: qadd/qsub\n");
+ break;
+ case 0x63:
+ printf ("Unhandled v6 insn: shadd/shsub\n");
+ break;
+ case 0x65:
+ printf ("Unhandled v6 insn: uadd/usub\n");
+ break;
+ case 0x66:
+ printf ("Unhandled v6 insn: uqadd/uqsub\n");
+ break;
+ case 0x67:
+ printf ("Unhandled v6 insn: uhadd/uhsub\n");
+ break;
+ case 0x68:
+ printf ("Unhandled v6 insn: pkh/sxtab/selsxtb\n");
+ break;
+#endif
+ case 0x6c:
+ printf ("Unhandled v6 insn: uxtb16/uxtab16\n");
+ break;
+ case 0x70:
+ printf ("Unhandled v6 insn: smuad/smusd/smlad/smlsd\n");
+ break;
+ case 0x74:
+ printf ("Unhandled v6 insn: smlald/smlsld\n");
+ break;
+ case 0x75:
+ printf ("Unhandled v6 insn: smmla/smmls/smmul\n");
+ break;
+ case 0x78:
+ printf ("Unhandled v6 insn: usad/usada8\n");
+ break;
+#if 0
+ case 0x7a:
+ printf ("Unhandled v6 insn: usbfx\n");
+ break;
+ case 0x7c:
+ printf ("Unhandled v6 insn: bfc/bfi\n");
+ break;
+#endif
-static unsigned
-MultiplyAdd64 (ARMul_State * state, ARMword instr, int msigned, int scc)
-{
- unsigned scount;
- ARMword RdLo, RdHi;
- int nRdHi, nRdLo;
- int carry = 0;
- nRdHi = BITS (16, 19);
- nRdLo = BITS (12, 15);
+ /* add new instr for arm v6. */
+ ARMword lhs, temp;
+ case 0x18: { /* ORR reg */
+ /* dyf add armv6 instr strex 2010.9.17 */
+ if (BITS (4, 7) == 0x9) {
+ u32 l = LHSReg;
+ u32 r = RHSReg;
+ lhs = LHS;
- RdHi = state->Reg[nRdHi];
- RdLo = state->Reg[nRdLo];
+ bool enter = false;
- scount = Multiply64 (state, instr, msigned, LDEFAULT);
+ if (state->currentexval == (u32)ARMul_ReadWord(state, state->currentexaddr))enter = true;
+ ARMul_StoreWordS(state, lhs, RHS);
+ //StoreWord(state, lhs, RHS)
+ if (state->Aborted) {
+ TAKEABORT;
+ }
+
+ if (enter)
+ {
+ state->Reg[DESTReg] = 0;
+ }
+ else
+ {
+ state->Reg[DESTReg] = 1;
+ }
- RdLo = Add32 (RdLo, state->Reg[nRdLo], &carry);
- RdHi = (RdHi + state->Reg[nRdHi]) + carry;
+ return 1;
+ }
+ break;
+ }
- state->Reg[nRdLo] = RdLo;
- state->Reg[nRdHi] = RdHi;
+ case 0x19: { /* orrs reg */
+ /* dyf add armv6 instr ldrex */
+ if (BITS (4, 7) == 0x9) {
+ lhs = LHS;
- if (scc)
- /* Ensure that both RdHi and RdLo are used to compute Z,
- but don't let RdLo's sign bit make it to N. */
- ARMul_NegZero (state, RdHi | (RdLo >> 16) | (RdLo & 0xFFFF));
+ state->currentexaddr = lhs;
+ state->currentexval = ARMul_ReadWord(state, lhs);
- /* Extra cycle for addition. */
- return scount + 1;
-}
+ LoadWord (state, instr, lhs);
+ return 1;
+ }
+ break;
+ }
-/* Attempt to emulate an ARMv6 instruction.
- Returns non-zero upon success. */
+ case 0x1c: { /* BIC reg */
+ /* dyf add for STREXB */
+ if (BITS (4, 7) == 0x9) {
+ lhs = LHS;
-static int
-handle_v6_insn (ARMul_State * state, ARMword instr)
-{
- switch (BITS (20, 27))
- {
-#if 0
- case 0x03: printf ("Unhandled v6 insn: ldr\n"); break;
- case 0x04: printf ("Unhandled v6 insn: umaal\n"); break;
- case 0x06: printf ("Unhandled v6 insn: mls/str\n"); break;
- case 0x16: printf ("Unhandled v6 insn: smi\n"); break;
- case 0x18: printf ("Unhandled v6 insn: strex\n"); break;
- case 0x19: printf ("Unhandled v6 insn: ldrex\n"); break;
- case 0x1a: printf ("Unhandled v6 insn: strexd\n"); break;
- case 0x1b: printf ("Unhandled v6 insn: ldrexd\n"); break;
- case 0x1c: printf ("Unhandled v6 insn: strexb\n"); break;
- case 0x1d: printf ("Unhandled v6 insn: ldrexb\n"); break;
- case 0x1e: printf ("Unhandled v6 insn: strexh\n"); break;
- case 0x1f: printf ("Unhandled v6 insn: ldrexh\n"); break;
- case 0x30: printf ("Unhandled v6 insn: movw\n"); break;
- case 0x32: printf ("Unhandled v6 insn: nop/sev/wfe/wfi/yield\n"); break;
- case 0x34: printf ("Unhandled v6 insn: movt\n"); break;
- case 0x3f: printf ("Unhandled v6 insn: rbit\n"); break;
- case 0x61: printf ("Unhandled v6 insn: sadd/ssub\n"); break;
- case 0x62: printf ("Unhandled v6 insn: qadd/qsub\n"); break;
- case 0x63: printf ("Unhandled v6 insn: shadd/shsub\n"); break;
- case 0x65: printf ("Unhandled v6 insn: uadd/usub\n"); break;
- case 0x66: printf ("Unhandled v6 insn: uqadd/uqsub\n"); break;
- case 0x67: printf ("Unhandled v6 insn: uhadd/uhsub\n"); break;
- case 0x68: printf ("Unhandled v6 insn: pkh/sxtab/selsxtb\n"); break;
-#endif
- case 0x6c: printf ("Unhandled v6 insn: uxtb16/uxtab16\n"); break;
- case 0x70: printf ("Unhandled v6 insn: smuad/smusd/smlad/smlsd\n"); break;
- case 0x74: printf ("Unhandled v6 insn: smlald/smlsld\n"); break;
- case 0x75: printf ("Unhandled v6 insn: smmla/smmls/smmul\n"); break;
- case 0x78: printf ("Unhandled v6 insn: usad/usada8\n"); break;
-#if 0
- case 0x7a: printf ("Unhandled v6 insn: usbfx\n"); break;
- case 0x7c: printf ("Unhandled v6 insn: bfc/bfi\n"); break;
-#endif
+ bool enter = false;
+ if (state->currentexval == (u32)ARMul_ReadByte(state, state->currentexaddr))enter = true;
-/* add new instr for arm v6. */
- ARMword lhs, temp;
- case 0x18: /* ORR reg */
- {
- /* dyf add armv6 instr strex 2010.9.17 */
- if (BITS (4, 7) == 0x9) {
- lhs = LHS;
- ARMul_StoreWordS(state, lhs, RHS);
- //StoreWord(state, lhs, RHS)
- if (state->Aborted) {
- TAKEABORT;
+ ARMul_StoreByte (state, lhs, RHS);
+ BUSUSEDINCPCN;
+ if (state->Aborted) {
+ TAKEABORT;
+ }
+
+
+ if (enter)
+ {
+ state->Reg[DESTReg] = 0;
+ }
+ else
+ {
+ state->Reg[DESTReg] = 1;
+ }
+
+ //printf("In %s, strexb not implemented\n", __FUNCTION__);
+ UNDEF_LSRBPC;
+ /* WRITESDEST (dest); */
+ return 1;
+ }
+ break;
}
- // FIX(Normmatt): Handle RD in STREX/STREXB
- state->Reg[DESTReg] = 0; //Always succeed
- return 1;
- }
- break;
- }
-
- case 0x19: /* orrs reg */
- {
- /* dyf add armv6 instr ldrex */
- if (BITS (4, 7) == 0x9) {
- lhs = LHS;
- LoadWord (state, instr, lhs);
- return 1;
- }
- break;
- }
-
- case 0x1c: /* BIC reg */
- {
- /* dyf add for STREXB */
- if (BITS (4, 7) == 0x9) {
- lhs = LHS;
- ARMul_StoreByte (state, lhs, RHS);
- BUSUSEDINCPCN;
- if (state->Aborted) {
- TAKEABORT;
+ case 0x1d: { /* BICS reg */
+ if ((BITS (4, 7)) == 0x9) {
+ /* ldrexb */
+ temp = LHS;
+ LoadByte (state, instr, temp, LUNSIGNED);
+
+ state->currentexaddr = temp;
+ state->currentexval = (u32)ARMul_ReadByte(state, temp);
+
+ //state->Reg[BITS(12, 15)] = ARMul_LoadByte(state, state->Reg[BITS(16, 19)]);
+ //printf("ldrexb\n");
+ //printf("instr is %x rm is %d\n", instr, BITS(16, 19));
+ //exit(-1);
+
+ //printf("In %s, ldrexb not implemented\n", __FUNCTION__);
+ return 1;
+ }
+ break;
+ }
+ /* add end */
+
+ case 0x6a: {
+ ARMword Rm;
+ int ror = -1;
+
+ switch (BITS (4, 11)) {
+ case 0x07:
+ ror = 0;
+ break;
+ case 0x47:
+ ror = 8;
+ break;
+ case 0x87:
+ ror = 16;
+ break;
+ case 0xc7:
+ ror = 24;
+ break;
+
+ case 0x01:
+ case 0xf3:
+ printf ("Unhandled v6 insn: ssat\n");
+ return 0;
+ default:
+ break;
+ }
+
+ if (ror == -1) {
+ if (BITS (4, 6) == 0x7) {
+ printf ("Unhandled v6 insn: ssat\n");
+ return 0;
+ }
+ break;
+ }
+
+ Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF);
+ if (Rm & 0x80)
+ Rm |= 0xffffff00;
+
+ if (BITS (16, 19) == 0xf)
+ /* SXTB */
+ state->Reg[BITS (12, 15)] = Rm;
+ else
+ /* SXTAB */
+ state->Reg[BITS (12, 15)] += Rm;
}
- // FIX(Normmatt): Handle RD in STREX/STREXB
- state->Reg[DESTReg] = 0; //Always succeed
- //printf("In %s, strexb not implemented\n", __FUNCTION__);
- UNDEF_LSRBPC;
- /* WRITESDEST (dest); */
- return 1;
- }
- break;
- }
-
- case 0x1d: /* BICS reg */
- {
- if ((BITS (4, 7)) == 0x9) {
- /* ldrexb */
- temp = LHS;
- LoadByte (state, instr, temp, LUNSIGNED);
- //state->Reg[BITS(12, 15)] = ARMul_LoadByte(state, state->Reg[BITS(16, 19)]);
- //printf("ldrexb\n");
- //printf("instr is %x rm is %d\n", instr, BITS(16, 19));
- //exit(-1);
-
- //printf("In %s, ldrexb not implemented\n", __FUNCTION__);
return 1;
- }
- break;
- }
-/* add end */
-
- case 0x6a:
- {
- ARMword Rm;
- int ror = -1;
-
- switch (BITS (4, 11))
- {
- case 0x07: ror = 0; break;
- case 0x47: ror = 8; break;
- case 0x87: ror = 16; break;
- case 0xc7: ror = 24; break;
-
- case 0x01:
- case 0xf3:
- printf ("Unhandled v6 insn: ssat\n");
- return 0;
- default:
- break;
- }
-
- if (ror == -1)
- {
- if (BITS (4, 6) == 0x7)
- {
- printf ("Unhandled v6 insn: ssat\n");
- return 0;
- }
- break;
- }
-
- Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF);
- if (Rm & 0x80)
- Rm |= 0xffffff00;
-
- if (BITS (16, 19) == 0xf)
- /* SXTB */
- state->Reg[BITS (12, 15)] = Rm;
- else
- /* SXTAB */
- state->Reg[BITS (12, 15)] += Rm;
- }
- return 1;
-
- case 0x6b:
- {
- ARMword Rm;
- int ror = -1;
-
- switch (BITS (4, 11))
- {
- case 0x07: ror = 0; break;
- case 0x47: ror = 8; break;
- case 0x87: ror = 16; break;
- case 0xc7: ror = 24; break;
-
- case 0xf3:
- DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24);
+
+ case 0x6b: {
+ ARMword Rm;
+ int ror = -1;
+
+ switch (BITS (4, 11)) {
+ case 0x07:
+ ror = 0;
+ break;
+ case 0x47:
+ ror = 8;
+ break;
+ case 0x87:
+ ror = 16;
+ break;
+ case 0xc7:
+ ror = 24;
+ break;
+
+ case 0xf3:
+ DEST = ((RHS & 0xFF) << 24) | ((RHS & 0xFF00)) << 8 | ((RHS & 0xFF0000) >> 8) | ((RHS & 0xFF000000) >> 24);
+ return 1;
+ case 0xfb:
+ DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8);
+ return 1;
+ default:
+ break;
+ }
+
+ if (ror == -1)
+ break;
+
+ Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF);
+ if (Rm & 0x8000)
+ Rm |= 0xffff0000;
+
+ if (BITS (16, 19) == 0xf)
+ /* SXTH */
+ state->Reg[BITS (12, 15)] = Rm;
+ else
+ /* SXTAH */
+ state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm;
+ }
return 1;
- case 0xfb:
- DEST = ((RHS & 0xFF) << 8) | ((RHS & 0xFF00)) >> 8 | ((RHS & 0xFF0000) << 8) | ((RHS & 0xFF000000) >> 8);
+
+ case 0x6e: {
+ ARMword Rm;
+ int ror = -1;
+
+ switch (BITS (4, 11)) {
+ case 0x07:
+ ror = 0;
+ break;
+ case 0x47:
+ ror = 8;
+ break;
+ case 0x87:
+ ror = 16;
+ break;
+ case 0xc7:
+ ror = 24;
+ break;
+
+ case 0x01:
+ case 0xf3:
+ printf ("Unhandled v6 insn: usat\n");
+ return 0;
+ default:
+ break;
+ }
+
+ if (ror == -1) {
+ if (BITS (4, 6) == 0x7) {
+ printf ("Unhandled v6 insn: usat\n");
+ return 0;
+ }
+ break;
+ }
+
+ Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF);
+
+ if (BITS (16, 19) == 0xf)
+ /* UXTB */
+ state->Reg[BITS (12, 15)] = Rm;
+ else
+ /* UXTAB */
+ state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm;
+ }
return 1;
- default:
- break;
- }
-
- if (ror == -1)
- break;
-
- Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF);
- if (Rm & 0x8000)
- Rm |= 0xffff0000;
-
- if (BITS (16, 19) == 0xf)
- /* SXTH */
- state->Reg[BITS (12, 15)] = Rm;
- else
- /* SXTAH */
- state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm;
- }
- return 1;
-
- case 0x6e:
- {
- ARMword Rm;
- int ror = -1;
-
- switch (BITS (4, 11))
- {
- case 0x07: ror = 0; break;
- case 0x47: ror = 8; break;
- case 0x87: ror = 16; break;
- case 0xc7: ror = 24; break;
-
- case 0x01:
- case 0xf3:
- printf ("Unhandled v6 insn: usat\n");
- return 0;
- default:
- break;
- }
-
- if (ror == -1)
- {
- if (BITS (4, 6) == 0x7)
- {
- printf ("Unhandled v6 insn: usat\n");
- return 0;
- }
- break;
- }
-
- Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFF);
-
- if (BITS (16, 19) == 0xf)
- /* UXTB */
- state->Reg[BITS (12, 15)] = Rm;
- else
- /* UXTAB */
- state->Reg[BITS (12, 15)] = state->Reg[BITS (16, 19)] + Rm;
- }
- return 1;
-
- case 0x6f:
- {
- ARMword Rm;
- int ror = -1;
-
- switch (BITS (4, 11))
- {
- case 0x07: ror = 0; break;
- case 0x47: ror = 8; break;
- case 0x87: ror = 16; break;
- case 0xc7: ror = 24; break;
-
- case 0xfb:
- printf ("Unhandled v6 insn: revsh\n");
- return 0;
- default:
- break;
- }
-
- if (ror == -1)
- break;
-
- Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF);
-
- /* UXT */
- /* state->Reg[BITS (12, 15)] = Rm; */
- /* dyf add */
- if (BITS (16, 19) == 0xf) {
- state->Reg[BITS (12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF;
- } else {
- /* UXTAH */
- /* state->Reg[BITS (12, 15)] = state->Reg [BITS (16, 19)] + Rm; */
+
+ case 0x6f: {
+ ARMword Rm;
+ int ror = -1;
+
+ switch (BITS (4, 11)) {
+ case 0x07:
+ ror = 0;
+ break;
+ case 0x47:
+ ror = 8;
+ break;
+ case 0x87:
+ ror = 16;
+ break;
+ case 0xc7:
+ ror = 24;
+ break;
+
+ case 0xfb:
+ printf ("Unhandled v6 insn: revsh\n");
+ return 0;
+ default:
+ break;
+ }
+
+ if (ror == -1)
+ break;
+
+ Rm = ((state->Reg[BITS (0, 3)] >> ror) & 0xFFFF);
+
+ /* UXT */
+ /* state->Reg[BITS (12, 15)] = Rm; */
+ /* dyf add */
+ if (BITS (16, 19) == 0xf) {
+ state->Reg[BITS (12, 15)] = (Rm >> (8 * BITS(10, 11))) & 0x0000FFFF;
+ } else {
+ /* UXTAH */
+ /* state->Reg[BITS (12, 15)] = state->Reg [BITS (16, 19)] + Rm; */
// printf("rd is %x rn is %x rm is %x rotate is %x\n", state->Reg[BITS (12, 15)], state->Reg[BITS (16, 19)]
// , Rm, BITS(10, 11));
// printf("icounter is %lld\n", state->NumInstrs);
- state->Reg[BITS (12, 15)] = (state->Reg[BITS (16, 19)] >> (8 * (BITS(10, 11)))) + Rm;
+ state->Reg[BITS (12, 15)] = (state->Reg[BITS (16, 19)] >> (8 * (BITS(10, 11)))) + Rm;
// printf("rd is %x\n", state->Reg[BITS (12, 15)]);
// exit(-1);
- }
- }
- return 1;
+ }
+ }
+ return 1;
#if 0
- case 0x84: printf ("Unhandled v6 insn: srs\n"); break;
+ case 0x84:
+ printf ("Unhandled v6 insn: srs\n");
+ break;
#endif
- default:
- break;
+ default:
+ break;
+ }
+ printf("Unhandled v6 insn: UNKNOWN: %08x %08X\n", instr, BITS(20, 27));
+ return 0;
}
- printf ("Unhandled v6 insn: UNKNOWN: %08x\n", instr);
- return 0;
-}
diff --git a/src/core/arm/interpreter/armemu.h b/src/core/arm/interpreter/armemu.h
index 7ccb07e8d..36fb2d09b 100644
--- a/src/core/arm/interpreter/armemu.h
+++ b/src/core/arm/interpreter/armemu.h
@@ -18,10 +18,12 @@
#define __ARMEMU_H__
-#include "core/arm/interpreter/skyeye_defs.h"
-#include "core/arm/interpreter/armdefs.h"
+#include "armdefs.h"
+//#include "skyeye.h"
-extern ARMword isize;
+//extern ARMword isize;
+
+#define DEBUG(...) DEBUG_LOG(ARM11, __VA_ARGS__)
/* Condition code values. */
#define EQ 0
@@ -228,17 +230,6 @@ extern ARMword isize;
} \
while (0)
-#define SETABORT_SKIPBRANCH(i, m, d) \
- do \
- { \
- int SETABORT_mode = (m); \
- \
- ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state)); \
- ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT)) \
- | (i) | SETABORT_mode)); \
- } \
- while (0)
-
#ifndef MODE32
#define VECTORS 0x20
#define LEGALADDR 0x03ffffff
@@ -306,7 +297,7 @@ extern ARMword isize;
if (! state->is_v4) \
{ \
/* A standard PC inc and an S cycle. */ \
- state->Reg[15] += isize; \
+ state->Reg[15] += INSN_SIZE; \
state->NextInstr = (state->NextInstr & 0xff) | 2; \
} \
} \
@@ -320,7 +311,7 @@ extern ARMword isize;
else \
{ \
/* A standard PC inc and an N cycle. */ \
- state->Reg[15] += isize; \
+ state->Reg[15] += INSN_SIZE; \
state->NextInstr |= 3; \
} \
} \
@@ -330,7 +321,7 @@ extern ARMword isize;
do \
{ \
/* A standard PC inc. */ \
- state->Reg[15] += isize; \
+ state->Reg[15] += INSN_SIZE; \
state->NextInstr |= 2; \
} \
while (0)
@@ -420,9 +411,7 @@ extern ARMword isize;
|| (read_cp15_reg (15, 0, 1) & (1 << (CP))))
*/
#define CP_ACCESS_ALLOWED(STATE, CP) \
- ( ((CP) >= 14) \
- || (! (STATE)->is_XScale) \
- || (xscale_cp15_cp_access_allowed(STATE,15,CP)))
+ ( ((CP) >= 14) ) \
/* Macro to rotate n right by b bits. */
#define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b))))
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp
index e05667bea..6fbab3bfb 100644
--- a/src/core/arm/interpreter/arminit.cpp
+++ b/src/core/arm/interpreter/arminit.cpp
@@ -1,30 +1,21 @@
/* arminit.c -- ARMulator initialization: ARM6 Instruction Emulator.
Copyright (C) 1994 Advanced RISC Machines Ltd.
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "common/platform.h"
-
-#if EMU_PLATFORM == PLATFORM_LINUX
-#include <unistd.h>
-#elif EMU_PLATFORM == PLATFORM_WINDOWS
-#include <windows.h>
-#endif
-
-#include <math.h>
+//#include <unistd.h>
#include "core/arm/interpreter/armdefs.h"
#include "core/arm/interpreter/armemu.h"
@@ -42,9 +33,9 @@ ARMword ARMul_DoProg (ARMul_State * state);
ARMword ARMul_DoInstr (ARMul_State * state);
void ARMul_Abort (ARMul_State * state, ARMword address);
-unsigned ARMul_MultTable[32] =
- { 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,
- 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16
+unsigned ARMul_MultTable[32] = {
+ 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,
+ 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16
};
ARMword ARMul_ImmedTable[4096]; /* immediate DP LHS values */
char ARMul_BitList[256]; /* number of bits in a byte table */
@@ -56,78 +47,34 @@ extern int remote_interrupt( void );
void arm_dyncom_Abort(ARMul_State * state, ARMword vector)
{
- ARMul_Abort(state, vector);
+ ARMul_Abort(state, vector);
}
-/* ahe-ykl : the following code to initialize user mode
+/* ahe-ykl : the following code to initialize user mode
code is architecture dependent and probably model dependant. */
-//#include "skyeye_arch.h"
-//#include "skyeye_pref.h"
-//#include "skyeye_exec_info.h"
-//#include "bank_defs.h"
-#include "armcpu.h"
+/*#include "skyeye_arch.h"
+#include "skyeye_pref.h"
+#include "skyeye_exec_info.h"
+#include "bank_defs.h"*/
+//#include "armcpu.h"
//#include "skyeye_callback.h"
-//void arm_user_mode_init(generic_arch_t * arch_instance)
-//{
-// sky_pref_t *pref = get_skyeye_pref();
-//
-// if (pref->user_mode_sim)
-// {
-// sky_exec_info_t *info = get_skyeye_exec_info();
-// info->arch_page_size = 0x1000;
-// info->arch_stack_top = 0x1ffffff0;// + 0x401fe7 - 0xff0; /* arbitrary value */
-// /* stack initial address specific to architecture may be placed here */
-//
-// /* we need to mmap the stack space, if we are using skyeye space */
-// if (info->mmap_access)
-// {
-// /* get system stack size */
-// size_t stacksize = 0;
-// pthread_attr_t attr;
-// pthread_attr_init(&attr);
-// pthread_attr_getstacksize(&attr, &stacksize);
-// if (stacksize > info->arch_stack_top)
-// {
-// printf("arch_stack_top is too low\n");
-// stacksize = info->arch_stack_top;
-// }
-//
-// /* Note: Skyeye is occupating 0x400000 to 0x600000 */
-// /* We do a mmap */
-// void* ret = mmap( (info->arch_stack_top) - stacksize,
-// stacksize + 0x1000 , PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-// if (ret == MAP_FAILED){
-// /* ideally, we should find an empty space until it works */
-// printf("mmap error, stack couldn't be mapped: errno %d\n", errno);
-// exit(-1);
-// } else {
-// memset(ret, '\0', stacksize);
-// //printf("stack top has been defined at %x size %x\n", (uint32_t) ret + stacksize, stacksize);
-// //info->arch_stack_top = (uint32_t) ret + stacksize;
-// }
-// }
-//
-// exec_stack_init();
-//
-// ARM_CPU_State* cpu = get_current_cpu();
-// arm_core_t* core = &cpu->core[0];
-//
-// uint32_t sp = info->initial_sp;
-//
-// core->Cpsr = 0x10; /* User mode */
-// /* FIXME: may need to add thumb */
-// core->Reg[13] = sp;
-// core->Reg[10] = info->start_data;
-// core->Reg[0] = 0;
-// bus_read(32, sp + 4, &(core->Reg[1]));
-// bus_read(32, sp + 8, &(core->Reg[2]));
-// }
-//
-//}
+/*
+ ARM_CPU_State* cpu = get_current_cpu();
+ arm_core_t* core = &cpu->core[0];
+ uint32_t sp = info->initial_sp;
+
+ core->Cpsr = 0x10; // User mode
+// FIXME: may need to add thumb
+core->Reg[13] = sp;
+core->Reg[10] = info->start_data;
+core->Reg[0] = 0;
+bus_read(32, sp + 4, &(core->Reg[1]));
+bus_read(32, sp + 8, &(core->Reg[2]));
+*/
/***************************************************************************\
* Call this routine once to set up the emulator's tables. *
\***************************************************************************/
@@ -135,20 +82,20 @@ void arm_dyncom_Abort(ARMul_State * state, ARMword vector)
void
ARMul_EmulateInit (void)
{
- unsigned int i, j;
+ unsigned int i, j;
- for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */
- ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL);
- }
+ for (i = 0; i < 4096; i++) { /* the values of 12 bit dp rhs's */
+ ARMul_ImmedTable[i] = ROTATER (i & 0xffL, (i >> 7L) & 0x1eL);
+ }
- for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */
- for (j = 1; j < 256; j <<= 1)
- for (i = 0; i < 256; i++)
- if ((i & j) > 0)
- ARMul_BitList[i]++;
+ for (i = 0; i < 256; ARMul_BitList[i++] = 0); /* how many bits in LSM */
+ for (j = 1; j < 256; j <<= 1)
+ for (i = 0; i < 256; i++)
+ if ((i & j) > 0)
+ ARMul_BitList[i]++;
- for (i = 0; i < 256; i++)
- ARMul_BitList[i] *= 4; /* you always need 4 times these values */
+ for (i = 0; i < 256; i++)
+ ARMul_BitList[i] *= 4; /* you always need 4 times these values */
}
@@ -159,80 +106,82 @@ ARMul_EmulateInit (void)
ARMul_State *
ARMul_NewState (ARMul_State *state)
{
- unsigned i, j;
-
- memset (state, 0, sizeof (ARMul_State));
-
- state->Emulate = RUN;
- for (i = 0; i < 16; i++) {
- state->Reg[i] = 0;
- for (j = 0; j < 7; j++)
- state->RegBank[j][i] = 0;
- }
- for (i = 0; i < 7; i++)
- state->Spsr[i] = 0;
- state->Mode = 0;
-
- state->CallDebug = FALSE;
- state->Debug = FALSE;
- state->VectorCatch = 0;
- state->Aborted = FALSE;
- state->Reseted = FALSE;
- state->Inted = 3;
- state->LastInted = 3;
-
- state->CommandLine = NULL;
-
- state->EventSet = 0;
- state->Now = 0;
- state->EventPtr =
- (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE *
- sizeof (struct EventNode *));
+ unsigned i, j;
+
+ memset (state, 0, sizeof (ARMul_State));
+
+ state->Emulate = RUN;
+ for (i = 0; i < 16; i++) {
+ state->Reg[i] = 0;
+ for (j = 0; j < 7; j++)
+ state->RegBank[j][i] = 0;
+ }
+ for (i = 0; i < 7; i++)
+ state->Spsr[i] = 0;
+ state->Mode = 0;
+
+ state->CallDebug = FALSE;
+ state->Debug = FALSE;
+ state->VectorCatch = 0;
+ state->Aborted = FALSE;
+ state->Reseted = FALSE;
+ state->Inted = 3;
+ state->LastInted = 3;
+
+ state->CommandLine = NULL;
+
+ state->EventSet = 0;
+ state->Now = 0;
+ state->EventPtr =
+ (struct EventNode **) malloc ((unsigned) EVENTLISTSIZE *
+ sizeof (struct EventNode *));
#if DIFF_STATE
- state->state_log = fopen("/data/state.log", "w");
- printf("create pc log file.\n");
+ state->state_log = fopen("/data/state.log", "w");
+ printf("create pc log file.\n");
#endif
- if (state->EventPtr == NULL) {
- printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n");
- exit(-1);
- }
- for (i = 0; i < EVENTLISTSIZE; i++)
- *(state->EventPtr + i) = NULL;
+ if (state->EventPtr == NULL) {
+ printf ("SKYEYE: ARMul_NewState malloc state->EventPtr error\n");
+ exit(-1);
+ //skyeye_exit (-1);
+ }
+ for (i = 0; i < EVENTLISTSIZE; i++)
+ *(state->EventPtr + i) = NULL;
#if SAVE_LOG
- state->state_log = fopen("/tmp/state.log", "w");
- printf("create pc log file.\n");
+ state->state_log = fopen("/tmp/state.log", "w");
+ printf("create pc log file.\n");
#else
#if DIFF_LOG
- state->state_log = fopen("/tmp/state.log", "r");
- printf("loaded pc log file.\n");
+ state->state_log = fopen("/tmp/state.log", "r");
+ printf("loaded pc log file.\n");
#endif
#endif
#ifdef ARM61
- state->prog32Sig = LOW;
- state->data32Sig = LOW;
+ state->prog32Sig = LOW;
+ state->data32Sig = LOW;
#else
- state->prog32Sig = HIGH;
- state->data32Sig = HIGH;
+ state->prog32Sig = HIGH;
+ state->data32Sig = HIGH;
#endif
- state->lateabtSig = HIGH;
- state->bigendSig = LOW;
-
- //chy:2003-08-19
- state->LastTime = 0;
- state->CP14R0_CCD = -1;
-
- /* ahe-ykl: common function for interpret and dyncom */
- //sky_pref_t *pref = get_skyeye_pref();
- //if (pref->user_mode_sim)
- // register_callback(arm_user_mode_init, Bootmach_callback);
-
- memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128);
- state->exclusive_access_state = 0;
- //state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t));
- //state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t));
- return (state);
+ state->lateabtSig = HIGH;
+ state->bigendSig = LOW;
+
+ //chy:2003-08-19
+ state->LastTime = 0;
+ state->CP14R0_CCD = -1;
+
+ /* ahe-ykl: common function for interpret and dyncom */
+ /*sky_pref_t *pref = get_skyeye_pref();
+ if (pref->user_mode_sim)
+ register_callback(arm_user_mode_init, Bootmach_callback);
+ */
+
+ memset(&state->exclusive_tag_array[0], 0xFF, sizeof(state->exclusive_tag_array[0]) * 128);
+ state->exclusive_access_state = 0;
+ //state->cpu = (cpu_config_t *) malloc (sizeof (cpu_config_t));
+ //state->mem_bank = (mem_config_t *) malloc (sizeof (mem_config_t));
+ return (state);
}
/***************************************************************************\
@@ -242,39 +191,38 @@ ARMul_NewState (ARMul_State *state)
void
ARMul_SelectProcessor (ARMul_State * state, unsigned properties)
{
- if (properties & ARM_Fix26_Prop) {
- state->prog32Sig = LOW;
- state->data32Sig = LOW;
- }
- else {
- state->prog32Sig = HIGH;
- state->data32Sig = HIGH;
- }
-/* 2004-05-09 chy
-below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
-*/
- // state->lateabtSig = HIGH;
-
-
- state->is_v4 =
- (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW;
- state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW;
- state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW;
- state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW;
- state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW;
- /* state->is_v6 = LOW */;
- /* jeff.du 2010-08-05 */
- state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW;
- state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW;
- //chy 2005-09-19
- state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW;
-
- /* shenoubang 2012-3-11 */
- state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW;
-
- /* Only initialse the coprocessor support once we
- know what kind of chip we are dealing with. */
- ARMul_CoProInit (state);
+ if (properties & ARM_Fix26_Prop) {
+ state->prog32Sig = LOW;
+ state->data32Sig = LOW;
+ } else {
+ state->prog32Sig = HIGH;
+ state->data32Sig = HIGH;
+ }
+ /* 2004-05-09 chy
+ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
+ */
+ // state->lateabtSig = HIGH;
+
+
+ state->is_v4 =
+ (properties & (ARM_v4_Prop | ARM_v5_Prop)) ? HIGH : LOW;
+ state->is_v5 = (properties & ARM_v5_Prop) ? HIGH : LOW;
+ state->is_v5e = (properties & ARM_v5e_Prop) ? HIGH : LOW;
+ state->is_XScale = (properties & ARM_XScale_Prop) ? HIGH : LOW;
+ state->is_iWMMXt = (properties & ARM_iWMMXt_Prop) ? HIGH : LOW;
+ /* state->is_v6 = LOW */;
+ /* jeff.du 2010-08-05 */
+ state->is_v6 = (properties & ARM_v6_Prop) ? HIGH : LOW;
+ state->is_ep9312 = (properties & ARM_ep9312_Prop) ? HIGH : LOW;
+ //chy 2005-09-19
+ state->is_pxa27x = (properties & ARM_PXA27X_Prop) ? HIGH : LOW;
+
+ /* shenoubang 2012-3-11 */
+ state->is_v7 = (properties & ARM_v7_Prop) ? HIGH : LOW;
+
+ /* Only initialse the coprocessor support once we
+ know what kind of chip we are dealing with. */
+ //ARMul_CoProInit (state);
}
@@ -285,66 +233,65 @@ below line sould be in skyeye_mach_XXX.c 's XXX_mach_init function
void
ARMul_Reset (ARMul_State * state)
{
- //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
- state->NextInstr = 0;
- if (state->prog32Sig) {
- state->Reg[15] = 0;
- state->Cpsr = INTBITS | SVC32MODE;
- state->Mode = SVC32MODE;
- }
- else {
- state->Reg[15] = R15INTBITS | SVC26MODE;
- state->Cpsr = INTBITS | SVC26MODE;
- state->Mode = SVC26MODE;
- }
- //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
- ARMul_CPSRAltered (state);
- state->Bank = SVCBANK;
- FLUSHPIPE;
-
- state->EndCondition = 0;
- state->ErrorCode = 0;
-
- //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
- state->NresetSig = HIGH;
- state->NfiqSig = HIGH;
- state->NirqSig = HIGH;
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- state->abortSig = LOW;
- state->AbortAddr = 1;
-
- state->NumInstrs = 0;
- state->NumNcycles = 0;
- state->NumScycles = 0;
- state->NumIcycles = 0;
- state->NumCcycles = 0;
- state->NumFcycles = 0;
-
- //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
- mmu_reset (state);
- //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
-
- //mem_reset (state); /* move to memory/ram.c */
-
- //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
- /*remove later. walimis 03.7.17 */
- //io_reset(state);
- //lcd_disable(state);
-
- /*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will
- *be configured in skyeye_option_init and it is called after ARMul_NewState*/
- state->tea_break_ok = 0;
- state->tea_break_addr = 0;
- state->tea_pc = 0;
+ //fprintf(stderr,"armul_reset 0: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+ state->NextInstr = 0;
+ if (state->prog32Sig) {
+ state->Reg[15] = 0;
+ state->Cpsr = INTBITS | SVC32MODE;
+ state->Mode = SVC32MODE;
+ } else {
+ state->Reg[15] = R15INTBITS | SVC26MODE;
+ state->Cpsr = INTBITS | SVC26MODE;
+ state->Mode = SVC26MODE;
+ }
+ //fprintf(stderr,"armul_reset 1: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+ //ARMul_CPSRAltered (state);
+ state->Bank = SVCBANK;
+ FLUSHPIPE;
+
+ state->EndCondition = 0;
+ state->ErrorCode = 0;
+
+ //fprintf(stderr,"armul_reset 2: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+ state->NresetSig = HIGH;
+ state->NfiqSig = HIGH;
+ state->NirqSig = HIGH;
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ state->abortSig = LOW;
+ state->AbortAddr = 1;
+
+ state->NumInstrs = 0;
+ state->NumNcycles = 0;
+ state->NumScycles = 0;
+ state->NumIcycles = 0;
+ state->NumCcycles = 0;
+ state->NumFcycles = 0;
+
+ //fprintf(stderr,"armul_reset 3: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+ //mmu_reset (state);
+ //fprintf(stderr,"armul_reset 4: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+
+ //mem_reset (state); /* move to memory/ram.c */
+
+ //fprintf(stderr,"armul_reset 5: state-> Cpsr 0x%x, Mode %d\n",state->Cpsr,state->Mode);
+ /*remove later. walimis 03.7.17 */
+ //io_reset(state);
+ //lcd_disable(state);
+
+ /*ywc 2005-04-07 move from ARMul_NewState , because skyeye_config.no_dbct will
+ *be configured in skyeye_option_init and it is called after ARMul_NewState*/
+ state->tea_break_ok = 0;
+ state->tea_break_addr = 0;
+ state->tea_pc = 0;
#ifdef DBCT
- if (!skyeye_config.no_dbct) {
- //teawater add for arm2x86 2005.02.14-------------------------------------------
- if (arm2x86_init (state)) {
- printf ("SKYEYE: arm2x86_init error\n");
- skyeye_exit (-1);
- }
- //AJ2D--------------------------------------------------------------------------
- }
+ if (!skyeye_config.no_dbct) {
+ //teawater add for arm2x86 2005.02.14-------------------------------------------
+ if (arm2x86_init (state)) {
+ printf ("SKYEYE: arm2x86_init error\n");
+ //skyeye_exit (-1);
+ }
+ //AJ2D--------------------------------------------------------------------------
+ }
#endif
}
@@ -361,8 +308,9 @@ static ARMul_State *dbct_test_speed_state = NULL;
static void
dbct_test_speed_sig(int signo)
{
- printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count);
- skyeye_exit(0);
+ printf("\n0x%llx %llu\n", dbct_test_speed_state->instr_count, dbct_test_speed_state->instr_count);
+ exit(0);
+ //skyeye_exit(0);
}
#endif //DBCT_TEST_SPEED
//AJ2D--------------------------------------------------------------------------
@@ -370,92 +318,91 @@ dbct_test_speed_sig(int signo)
ARMword
ARMul_DoProg (ARMul_State * state)
{
- ARMword pc = 0;
+ ARMword pc = 0;
- /*
- * 2007-01-24 removed the term-io functions by Anthony Lee,
- * moved to "device/uart/skyeye_uart_stdio.c".
- */
+ /*
+ * 2007-01-24 removed the term-io functions by Anthony Lee,
+ * moved to "device/uart/skyeye_uart_stdio.c".
+ */
//teawater add DBCT_TEST_SPEED 2005.10.04---------------------------------------
#ifdef DBCT_TEST_SPEED
- {
- if (!dbct_test_speed_state) {
- //init timer
- struct itimerval value;
- struct sigaction act;
-
- dbct_test_speed_state = state;
- state->instr_count = 0;
- act.sa_handler = dbct_test_speed_sig;
- act.sa_flags = SA_RESTART;
- //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF
+ {
+ if (!dbct_test_speed_state) {
+ //init timer
+ struct itimerval value;
+ struct sigaction act;
+
+ dbct_test_speed_state = state;
+ state->instr_count = 0;
+ act.sa_handler = dbct_test_speed_sig;
+ act.sa_flags = SA_RESTART;
+ //cygwin don't support ITIMER_VIRTUAL or ITIMER_PROF
#ifndef __CYGWIN__
- if (sigaction(SIGVTALRM, &act, NULL) == -1) {
+ if (sigaction(SIGVTALRM, &act, NULL) == -1) {
#else
- if (sigaction(SIGALRM, &act, NULL) == -1) {
+ if (sigaction(SIGALRM, &act, NULL) == -1) {
#endif //__CYGWIN__
- fprintf(stderr, "init timer error.\n");
- skyeye_exit(-1);
- }
- if (skyeye_config.dbct_test_speed_sec) {
- value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec;
- }
- else {
- value.it_value.tv_sec = DBCT_TEST_SPEED_SEC;
- }
- printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec);
- value.it_value.tv_usec = 0;
- value.it_interval.tv_sec = 0;
- value.it_interval.tv_usec = 0;
+ fprintf(stderr, "init timer error.\n");
+ exit(-1);
+ //skyeye_exit(-1);
+ }
+ if (skyeye_config.dbct_test_speed_sec) {
+ value.it_value.tv_sec = skyeye_config.dbct_test_speed_sec;
+ } else {
+ value.it_value.tv_sec = DBCT_TEST_SPEED_SEC;
+ }
+ printf("dbct_test_speed_sec = %ld\n", value.it_value.tv_sec);
+ value.it_value.tv_usec = 0;
+ value.it_interval.tv_sec = 0;
+ value.it_interval.tv_usec = 0;
#ifndef __CYGWIN__
- if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) {
+ if (setitimer(ITIMER_VIRTUAL, &value, NULL) == -1) {
#else
- if (setitimer(ITIMER_REAL, &value, NULL) == -1) {
+ if (setitimer(ITIMER_REAL, &value, NULL) == -1) {
#endif //__CYGWIN__
- fprintf(stderr, "init timer error.\n");
- skyeye_exit(-1);
- }
- }
- }
+ fprintf(stderr, "init timer error.\n");
+ //skyeye_exit(-1);
+ }
+ }
+ }
#endif //DBCT_TEST_SPEED
//AJ2D--------------------------------------------------------------------------
- state->Emulate = RUN;
- while (state->Emulate != STOP) {
- state->Emulate = RUN;
+ state->Emulate = RUN;
+ while (state->Emulate != STOP) {
+ state->Emulate = RUN;
- /*ywc 2005-03-31 */
- if (state->prog32Sig && ARMul_MODE32BIT) {
+ /*ywc 2005-03-31 */
+ if (state->prog32Sig && ARMul_MODE32BIT) {
#ifdef DBCT
- if (skyeye_config.no_dbct) {
- pc = ARMul_Emulate32 (state);
- }
- else {
- pc = ARMul_Emulate32_dbct (state);
- }
+ if (skyeye_config.no_dbct) {
+ pc = ARMul_Emulate32 (state);
+ } else {
+ pc = ARMul_Emulate32_dbct (state);
+ }
#else
- pc = ARMul_Emulate32 (state);
+ pc = ARMul_Emulate32 (state);
#endif
- }
+ }
- else {
- _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!");
- }
- //chy 2006-02-22, should test debugmode first
- //chy 2006-04-14, put below codes in ARMul_Emulate
+ else {
+ //pc = ARMul_Emulate26 (state);
+ }
+ //chy 2006-02-22, should test debugmode first
+ //chy 2006-04-14, put below codes in ARMul_Emulate
#if 0
- if(debugmode)
- if(remote_interrupt())
- state->Emulate = STOP;
+ if(debugmode)
+ if(remote_interrupt())
+ state->Emulate = STOP;
#endif
- }
+ }
- /*
- * 2007-01-24 removed the term-io functions by Anthony Lee,
- * moved to "device/uart/skyeye_uart_stdio.c".
- */
+ /*
+ * 2007-01-24 removed the term-io functions by Anthony Lee,
+ * moved to "device/uart/skyeye_uart_stdio.c".
+ */
- return (pc);
+ return (pc);
}
/***************************************************************************\
@@ -467,36 +414,34 @@ ARMul_DoProg (ARMul_State * state)
ARMword
ARMul_DoInstr (ARMul_State * state)
{
- ARMword pc = 0;
+ ARMword pc = 0;
- state->Emulate = ONCE;
+ state->Emulate = ONCE;
- /*ywc 2005-03-31 */
- if (state->prog32Sig && ARMul_MODE32BIT) {
+ /*ywc 2005-03-31 */
+ if (state->prog32Sig && ARMul_MODE32BIT) {
#ifdef DBCT
- if (skyeye_config.no_dbct) {
- pc = ARMul_Emulate32 (state);
- }
- else {
+ if (skyeye_config.no_dbct) {
+ pc = ARMul_Emulate32 (state);
+ } else {
//teawater add compile switch for DBCT GDB RSP function 2005.10.21--------------
#ifndef DBCT_GDBRSP
- printf("DBCT GDBRSP function switch is off.\n");
- printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n");
- skyeye_exit(-1);
+ printf("DBCT GDBRSP function switch is off.\n");
+ printf("To use this function, open \"#define DBCT_GDBRSP\" in arch/arm/common/armdefs.h & recompile skyeye.\n");
+ skyeye_exit(-1);
#endif //DBCT_GDBRSP
//AJ2D--------------------------------------------------------------------------
- pc = ARMul_Emulate32_dbct (state);
- }
+ pc = ARMul_Emulate32_dbct (state);
+ }
#else
- pc = ARMul_Emulate32 (state);
+ pc = ARMul_Emulate32 (state);
#endif
- }
+ }
- else {
- _dbg_assert_msg_(ARM11, false, "Unsupported ARM 26-bit Mode!");
- }
+ //else
+ //pc = ARMul_Emulate26 (state);
- return (pc);
+ return (pc);
}
/***************************************************************************\
@@ -508,79 +453,74 @@ ARMul_DoInstr (ARMul_State * state)
void
ARMul_Abort (ARMul_State * state, ARMword vector)
{
- ARMword temp;
- int isize = INSN_SIZE;
- int esize = (TFLAG ? 0 : 4);
- int e2size = (TFLAG ? -4 : 0);
-
- state->Aborted = FALSE;
-
- if (state->prog32Sig)
- if (ARMul_MODE26BIT)
- temp = R15PC;
- else
- temp = state->Reg[15];
- else
- temp = R15PC | ECC | ER15INT | EMODE;
-
- switch (vector) {
- case ARMul_ResetV: /* RESET */
- SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE,
- 0);
- break;
- case ARMul_UndefinedInstrV: /* Undefined Instruction */
- SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE,
- isize);
- break;
- case ARMul_SWIV: /* Software Interrupt */
- // Modified SETABORT that doesn't branch to a SVC vector as we are implementing this in HLE
- // Instead of doing normal routine, backup R15 by one instruction (this is what PC will get
- // set to, making it the next instruction after the SVC call), and skip setting the LR.
- SETABORT_SKIPBRANCH (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE,
- isize);
- state->Reg[15] -= 4;
- return;
- case ARMul_PrefetchAbortV: /* Prefetch Abort */
- state->AbortAddr = 1;
- SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
- esize);
- break;
- case ARMul_DataAbortV: /* Data Abort */
- SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
- e2size);
- break;
- case ARMul_AddrExceptnV: /* Address Exception */
- SETABORT (IBIT, SVC26MODE, isize);
- break;
- case ARMul_IRQV: /* IRQ */
- //chy 2003-09-02 the if sentence seems no use
+ ARMword temp;
+ int isize = INSN_SIZE;
+ int esize = (TFLAG ? 0 : 4);
+ int e2size = (TFLAG ? -4 : 0);
+
+ state->Aborted = FALSE;
+
+ if (state->prog32Sig)
+ if (ARMul_MODE26BIT)
+ temp = R15PC;
+ else
+ temp = state->Reg[15];
+ else
+ temp = R15PC | ECC | ER15INT | EMODE;
+
+ switch (vector) {
+ case ARMul_ResetV: /* RESET */
+ SETABORT (INTBITS, state->prog32Sig ? SVC32MODE : SVC26MODE,
+ 0);
+ break;
+ case ARMul_UndefinedInstrV: /* Undefined Instruction */
+ SETABORT (IBIT, state->prog32Sig ? UNDEF32MODE : SVC26MODE,
+ isize);
+ break;
+ case ARMul_SWIV: /* Software Interrupt */
+ SETABORT (IBIT, state->prog32Sig ? SVC32MODE : SVC26MODE,
+ isize);
+ break;
+ case ARMul_PrefetchAbortV: /* Prefetch Abort */
+ state->AbortAddr = 1;
+ SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
+ esize);
+ break;
+ case ARMul_DataAbortV: /* Data Abort */
+ SETABORT (IBIT, state->prog32Sig ? ABORT32MODE : SVC26MODE,
+ e2size);
+ break;
+ case ARMul_AddrExceptnV: /* Address Exception */
+ SETABORT (IBIT, SVC26MODE, isize);
+ break;
+ case ARMul_IRQV: /* IRQ */
+ //chy 2003-09-02 the if sentence seems no use
#if 0
- if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
- || (temp & ARMul_CP13_R0_IRQ))
+ if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
+ || (temp & ARMul_CP13_R0_IRQ))
#endif
- SETABORT (IBIT,
- state->prog32Sig ? IRQ32MODE : IRQ26MODE,
- esize);
- break;
- case ARMul_FIQV: /* FIQ */
- //chy 2003-09-02 the if sentence seems no use
+ SETABORT (IBIT,
+ state->prog32Sig ? IRQ32MODE : IRQ26MODE,
+ esize);
+ break;
+ case ARMul_FIQV: /* FIQ */
+ //chy 2003-09-02 the if sentence seems no use
#if 0
- if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
- || (temp & ARMul_CP13_R0_FIQ))
+ if (!state->is_XScale || !state->CPRead[13] (state, 0, &temp)
+ || (temp & ARMul_CP13_R0_FIQ))
#endif
- SETABORT (INTBITS,
- state->prog32Sig ? FIQ32MODE : FIQ26MODE,
- esize);
- break;
- }
-
- if (ARMul_MODE32BIT) {
- if (state->mmu.control & CONTROL_VECTOR)
- vector += 0xffff0000; //for v4 high exception address
- if (state->vector_remap_flag)
- vector += state->vector_remap_addr; /* support some remap function in LPC processor */
- ARMul_SetR15 (state, vector);
- }
- else
- ARMul_SetR15 (state, R15CCINTMODE | vector);
+ SETABORT (INTBITS,
+ state->prog32Sig ? FIQ32MODE : FIQ26MODE,
+ esize);
+ break;
+ }
+
+ if (ARMul_MODE32BIT) {
+ /*if (state->mmu.control & CONTROL_VECTOR)
+ vector += 0xffff0000; //for v4 high exception address*/
+ if (state->vector_remap_flag)
+ vector += state->vector_remap_addr; /* support some remap function in LPC processor */
+ ARMul_SetR15 (state, vector);
+ } else
+ ARMul_SetR15 (state, R15CCINTMODE | vector);
}
diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp
index 7816c4c42..219ba78ce 100644
--- a/src/core/arm/interpreter/armsupp.cpp
+++ b/src/core/arm/interpreter/armsupp.cpp
@@ -1,38 +1,39 @@
/* armsupp.c -- ARMulator support code: ARM6 Instruction Emulator.
Copyright (C) 1994 Advanced RISC Machines Ltd.
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+//#include <util.h>
+
#include "core/arm/interpreter/armdefs.h"
#include "core/arm/interpreter/armemu.h"
-#include "core/arm/interpreter/skyeye_defs.h"
#include "core/hle/coprocessor.h"
#include "core/arm/disassembler/arm_disasm.h"
-unsigned xscale_cp15_cp_access_allowed (ARMul_State * state, unsigned reg,
- unsigned cpnum);
+//#include "ansidecl.h"
+//#include "skyeye.h"
//extern int skyeye_instr_debug;
/* Definitions for the support routines. */
static ARMword ModeToBank (ARMword);
static void EnvokeList (ARMul_State *, unsigned int, unsigned int);
-struct EventNode
-{ /* An event list node. */
- unsigned (*func) (ARMul_State *); /* The function to call. */
- struct EventNode *next;
+struct EventNode {
+ /* An event list node. */
+ unsigned (*func) (ARMul_State *); /* The function to call. */
+ struct EventNode *next;
};
/* This routine returns the value of a register from a mode. */
@@ -40,11 +41,11 @@ struct EventNode
ARMword
ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg)
{
- mode &= MODEBITS;
- if (mode != state->Mode)
- return (state->RegBank[ModeToBank ((ARMword) mode)][reg]);
- else
- return (state->Reg[reg]);
+ mode &= MODEBITS;
+ if (mode != state->Mode)
+ return (state->RegBank[ModeToBank ((ARMword) mode)][reg]);
+ else
+ return (state->Reg[reg]);
}
/* This routine sets the value of a register for a mode. */
@@ -52,11 +53,11 @@ ARMul_GetReg (ARMul_State * state, unsigned mode, unsigned reg)
void
ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, ARMword value)
{
- mode &= MODEBITS;
- if (mode != state->Mode)
- state->RegBank[ModeToBank ((ARMword) mode)][reg] = value;
- else
- state->Reg[reg] = value;
+ mode &= MODEBITS;
+ if (mode != state->Mode)
+ state->RegBank[ModeToBank ((ARMword) mode)][reg] = value;
+ else
+ state->Reg[reg] = value;
}
/* This routine returns the value of the PC, mode independently. */
@@ -64,10 +65,10 @@ ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, ARMword value)
ARMword
ARMul_GetPC (ARMul_State * state)
{
- if (state->Mode > SVC26MODE)
- return state->Reg[15];
- else
- return R15PC;
+ if (state->Mode > SVC26MODE)
+ return state->Reg[15];
+ else
+ return R15PC;
}
/* This routine returns the value of the PC, mode independently. */
@@ -75,10 +76,10 @@ ARMul_GetPC (ARMul_State * state)
ARMword
ARMul_GetNextPC (ARMul_State * state)
{
- if (state->Mode > SVC26MODE)
- return state->Reg[15] + isize;
- else
- return (state->Reg[15] + isize) & R15PCBITS;
+ if (state->Mode > SVC26MODE)
+ return state->Reg[15] + INSN_SIZE;
+ else
+ return (state->Reg[15] + INSN_SIZE) & R15PCBITS;
}
/* This routine sets the value of the PC. */
@@ -86,11 +87,11 @@ ARMul_GetNextPC (ARMul_State * state)
void
ARMul_SetPC (ARMul_State * state, ARMword value)
{
- if (ARMul_MODE32BIT)
- state->Reg[15] = value & PCBITS;
- else
- state->Reg[15] = R15CCINTMODE | (value & R15PCBITS);
- FLUSHPIPE;
+ if (ARMul_MODE32BIT)
+ state->Reg[15] = value & PCBITS;
+ else
+ state->Reg[15] = R15CCINTMODE | (value & R15PCBITS);
+ FLUSHPIPE;
}
/* This routine returns the value of register 15, mode independently. */
@@ -98,10 +99,10 @@ ARMul_SetPC (ARMul_State * state, ARMword value)
ARMword
ARMul_GetR15 (ARMul_State * state)
{
- if (state->Mode > SVC26MODE)
- return (state->Reg[15]);
- else
- return (R15PC | ECC | ER15INT | EMODE);
+ if (state->Mode > SVC26MODE)
+ return (state->Reg[15]);
+ else
+ return (R15PC | ECC | ER15INT | EMODE);
}
/* This routine sets the value of Register 15. */
@@ -109,13 +110,13 @@ ARMul_GetR15 (ARMul_State * state)
void
ARMul_SetR15 (ARMul_State * state, ARMword value)
{
- if (ARMul_MODE32BIT)
- state->Reg[15] = value & PCBITS;
- else {
- state->Reg[15] = value;
- ARMul_R15Altered (state);
- }
- FLUSHPIPE;
+ if (ARMul_MODE32BIT)
+ state->Reg[15] = value & PCBITS;
+ else {
+ state->Reg[15] = value;
+ ARMul_R15Altered (state);
+ }
+ FLUSHPIPE;
}
/* This routine returns the value of the CPSR. */
@@ -123,9 +124,9 @@ ARMul_SetR15 (ARMul_State * state, ARMword value)
ARMword
ARMul_GetCPSR (ARMul_State * state)
{
- //chy 2003-08-20: below is from gdb20030716, maybe isn't suitable for system simulator
- //return (CPSR | state->Cpsr); for gdb20030716
- return (CPSR); //had be tested in old skyeye with gdb5.0-5.3
+ //chy 2003-08-20: below is from gdb20030716, maybe isn't suitable for system simulator
+ //return (CPSR | state->Cpsr); for gdb20030716
+ return (CPSR); //had be tested in old skyeye with gdb5.0-5.3
}
/* This routine sets the value of the CPSR. */
@@ -133,8 +134,8 @@ ARMul_GetCPSR (ARMul_State * state)
void
ARMul_SetCPSR (ARMul_State * state, ARMword value)
{
- state->Cpsr = value;
- ARMul_CPSRAltered (state);
+ state->Cpsr = value;
+ ARMul_CPSRAltered (state);
}
/* This routine does all the nasty bits involved in a write to the CPSR,
@@ -143,20 +144,20 @@ ARMul_SetCPSR (ARMul_State * state, ARMword value)
void
ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs)
{
- state->Cpsr = ARMul_GetCPSR (state);
- //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
- if (state->Mode != USER26MODE && state->Mode != USER32MODE ) {
- /* In user mode, only write flags. */
- if (BIT (16))
- SETPSR_C (state->Cpsr, rhs);
- if (BIT (17))
- SETPSR_X (state->Cpsr, rhs);
- if (BIT (18))
- SETPSR_S (state->Cpsr, rhs);
- }
- if (BIT (19))
- SETPSR_F (state->Cpsr, rhs);
- ARMul_CPSRAltered (state);
+ state->Cpsr = ARMul_GetCPSR (state);
+ //chy 2006-02-16 , should not consider system mode, don't conside 26bit mode
+ if (state->Mode != USER26MODE && state->Mode != USER32MODE ) {
+ /* In user mode, only write flags. */
+ if (BIT (16))
+ SETPSR_C (state->Cpsr, rhs);
+ if (BIT (17))
+ SETPSR_X (state->Cpsr, rhs);
+ if (BIT (18))
+ SETPSR_S (state->Cpsr, rhs);
+ }
+ if (BIT (19))
+ SETPSR_F (state->Cpsr, rhs);
+ ARMul_CPSRAltered (state);
}
/* Get an SPSR from the specified mode. */
@@ -164,12 +165,12 @@ ARMul_FixCPSR (ARMul_State * state, ARMword instr, ARMword rhs)
ARMword
ARMul_GetSPSR (ARMul_State * state, ARMword mode)
{
- ARMword bank = ModeToBank (mode & MODEBITS);
+ ARMword bank = ModeToBank (mode & MODEBITS);
- if (!BANK_CAN_ACCESS_SPSR (bank))
- return ARMul_GetCPSR (state);
+ if (!BANK_CAN_ACCESS_SPSR (bank))
+ return ARMul_GetCPSR (state);
- return state->Spsr[bank];
+ return state->Spsr[bank];
}
/* This routine does a write to an SPSR. */
@@ -177,10 +178,10 @@ ARMul_GetSPSR (ARMul_State * state, ARMword mode)
void
ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value)
{
- ARMword bank = ModeToBank (mode & MODEBITS);
+ ARMword bank = ModeToBank (mode & MODEBITS);
- if (BANK_CAN_ACCESS_SPSR (bank))
- state->Spsr[bank] = value;
+ if (BANK_CAN_ACCESS_SPSR (bank))
+ state->Spsr[bank] = value;
}
/* This routine does a write to the current SPSR, given an MSR instruction. */
@@ -188,16 +189,16 @@ ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value)
void
ARMul_FixSPSR (ARMul_State * state, ARMword instr, ARMword rhs)
{
- if (BANK_CAN_ACCESS_SPSR (state->Bank)) {
- if (BIT (16))
- SETPSR_C (state->Spsr[state->Bank], rhs);
- if (BIT (17))
- SETPSR_X (state->Spsr[state->Bank], rhs);
- if (BIT (18))
- SETPSR_S (state->Spsr[state->Bank], rhs);
- if (BIT (19))
- SETPSR_F (state->Spsr[state->Bank], rhs);
- }
+ if (BANK_CAN_ACCESS_SPSR (state->Bank)) {
+ if (BIT (16))
+ SETPSR_C (state->Spsr[state->Bank], rhs);
+ if (BIT (17))
+ SETPSR_X (state->Spsr[state->Bank], rhs);
+ if (BIT (18))
+ SETPSR_S (state->Spsr[state->Bank], rhs);
+ if (BIT (19))
+ SETPSR_F (state->Spsr[state->Bank], rhs);
+ }
}
/* This routine updates the state of the emulator after the Cpsr has been
@@ -206,53 +207,51 @@ ARMul_FixSPSR (ARMul_State * state, ARMword instr, ARMword rhs)
void
ARMul_CPSRAltered (ARMul_State * state)
{
- ARMword oldmode;
-
- if (state->prog32Sig == LOW)
- state->Cpsr &= (CCBITS | INTBITS | R15MODEBITS);
-
- oldmode = state->Mode;
-
- if (state->Mode != (state->Cpsr & MODEBITS)) {
- state->Mode =
- ARMul_SwitchMode (state, state->Mode,
- state->Cpsr & MODEBITS);
-
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- }
- //state->Cpsr &= ~MODEBITS;
-
- ASSIGNINT (state->Cpsr & INTBITS);
- //state->Cpsr &= ~INTBITS;
- ASSIGNN ((state->Cpsr & NBIT) != 0);
- //state->Cpsr &= ~NBIT;
- ASSIGNZ ((state->Cpsr & ZBIT) != 0);
- //state->Cpsr &= ~ZBIT;
- ASSIGNC ((state->Cpsr & CBIT) != 0);
- //state->Cpsr &= ~CBIT;
- ASSIGNV ((state->Cpsr & VBIT) != 0);
- //state->Cpsr &= ~VBIT;
- ASSIGNS ((state->Cpsr & SBIT) != 0);
- //state->Cpsr &= ~SBIT;
+ ARMword oldmode;
+
+ if (state->prog32Sig == LOW)
+ state->Cpsr &= (CCBITS | INTBITS | R15MODEBITS);
+
+ oldmode = state->Mode;
+
+ /*if (state->Mode != (state->Cpsr & MODEBITS)) {
+ state->Mode =
+ ARMul_SwitchMode (state, state->Mode,
+ state->Cpsr & MODEBITS);
+
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ }*/
+ //state->Cpsr &= ~MODEBITS;
+
+ ASSIGNINT (state->Cpsr & INTBITS);
+ //state->Cpsr &= ~INTBITS;
+ ASSIGNN ((state->Cpsr & NBIT) != 0);
+ //state->Cpsr &= ~NBIT;
+ ASSIGNZ ((state->Cpsr & ZBIT) != 0);
+ //state->Cpsr &= ~ZBIT;
+ ASSIGNC ((state->Cpsr & CBIT) != 0);
+ //state->Cpsr &= ~CBIT;
+ ASSIGNV ((state->Cpsr & VBIT) != 0);
+ //state->Cpsr &= ~VBIT;
+ ASSIGNS ((state->Cpsr & SBIT) != 0);
+ //state->Cpsr &= ~SBIT;
#ifdef MODET
- ASSIGNT ((state->Cpsr & TBIT) != 0);
- //state->Cpsr &= ~TBIT;
+ ASSIGNT ((state->Cpsr & TBIT) != 0);
+ //state->Cpsr &= ~TBIT;
#endif
- if (oldmode > SVC26MODE) {
- if (state->Mode <= SVC26MODE) {
- state->Emulate = CHANGEMODE;
- state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
- }
- }
- else {
- if (state->Mode > SVC26MODE) {
- state->Emulate = CHANGEMODE;
- state->Reg[15] = R15PC;
- }
- else
- state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
- }
+ if (oldmode > SVC26MODE) {
+ if (state->Mode <= SVC26MODE) {
+ state->Emulate = CHANGEMODE;
+ state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
+ }
+ } else {
+ if (state->Mode > SVC26MODE) {
+ state->Emulate = CHANGEMODE;
+ state->Reg[15] = R15PC;
+ } else
+ state->Reg[15] = ECC | ER15INT | EMODE | R15PC;
+ }
}
/* This routine updates the state of the emulator after register 15 has
@@ -262,20 +261,20 @@ ARMul_CPSRAltered (ARMul_State * state)
void
ARMul_R15Altered (ARMul_State * state)
{
- if (state->Mode != R15MODE) {
- state->Mode = ARMul_SwitchMode (state, state->Mode, R15MODE);
- state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
- }
+ if (state->Mode != R15MODE) {
+ state->Mode = ARMul_SwitchMode (state, state->Mode, R15MODE);
+ state->NtransSig = (state->Mode & 3) ? HIGH : LOW;
+ }
- if (state->Mode > SVC26MODE)
- state->Emulate = CHANGEMODE;
+ if (state->Mode > SVC26MODE)
+ state->Emulate = CHANGEMODE;
- ASSIGNR15INT (R15INT);
+ ASSIGNR15INT (R15INT);
- ASSIGNN ((state->Reg[15] & NBIT) != 0);
- ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
- ASSIGNC ((state->Reg[15] & CBIT) != 0);
- ASSIGNV ((state->Reg[15] & VBIT) != 0);
+ ASSIGNN ((state->Reg[15] & NBIT) != 0);
+ ASSIGNZ ((state->Reg[15] & ZBIT) != 0);
+ ASSIGNC ((state->Reg[15] & CBIT) != 0);
+ ASSIGNV ((state->Reg[15] & VBIT) != 0);
}
/* This routine controls the saving and restoring of registers across mode
@@ -287,78 +286,78 @@ ARMul_R15Altered (ARMul_State * state)
ARMword
ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, ARMword newmode)
{
- unsigned i;
- ARMword oldbank;
- ARMword newbank;
- static int revision_value = 53;
+ unsigned i;
+ ARMword oldbank;
+ ARMword newbank;
+ static int revision_value = 53;
- oldbank = ModeToBank (oldmode);
- newbank = state->Bank = ModeToBank (newmode);
+ oldbank = ModeToBank (oldmode);
+ newbank = state->Bank = ModeToBank (newmode);
- /* Do we really need to do it? */
- if (oldbank != newbank) {
- if (oldbank == 3 && newbank == 2) {
- //printf("icounter is %d PC is %x MODE CHANGED : %d --> %d\n", state->NumInstrs, state->pc, oldbank, newbank);
- if (state->NumInstrs >= 5832487) {
+ /* Do we really need to do it? */
+ if (oldbank != newbank) {
+ if (oldbank == 3 && newbank == 2) {
+ //printf("icounter is %d PC is %x MODE CHANGED : %d --> %d\n", state->NumInstrs, state->pc, oldbank, newbank);
+ if (state->NumInstrs >= 5832487) {
// printf("%d, ", state->NumInstrs + revision_value);
// printf("revision_value : %d\n", revision_value);
- revision_value ++;
- }
- }
- /* Save away the old registers. */
- switch (oldbank) {
- case USERBANK:
- case IRQBANK:
- case SVCBANK:
- case ABORTBANK:
- case UNDEFBANK:
- if (newbank == FIQBANK)
- for (i = 8; i < 13; i++)
- state->RegBank[USERBANK][i] =
- state->Reg[i];
- state->RegBank[oldbank][13] = state->Reg[13];
- state->RegBank[oldbank][14] = state->Reg[14];
- break;
- case FIQBANK:
- for (i = 8; i < 15; i++)
- state->RegBank[FIQBANK][i] = state->Reg[i];
- break;
- case DUMMYBANK:
- for (i = 8; i < 15; i++)
- state->RegBank[DUMMYBANK][i] = 0;
- break;
- default:
- abort ();
- }
-
- /* Restore the new registers. */
- switch (newbank) {
- case USERBANK:
- case IRQBANK:
- case SVCBANK:
- case ABORTBANK:
- case UNDEFBANK:
- if (oldbank == FIQBANK)
- for (i = 8; i < 13; i++)
- state->Reg[i] =
- state->RegBank[USERBANK][i];
- state->Reg[13] = state->RegBank[newbank][13];
- state->Reg[14] = state->RegBank[newbank][14];
- break;
- case FIQBANK:
- for (i = 8; i < 15; i++)
- state->Reg[i] = state->RegBank[FIQBANK][i];
- break;
- case DUMMYBANK:
- for (i = 8; i < 15; i++)
- state->Reg[i] = 0;
- break;
- default:
- abort ();
- }
- }
-
- return newmode;
+ revision_value ++;
+ }
+ }
+ /* Save away the old registers. */
+ switch (oldbank) {
+ case USERBANK:
+ case IRQBANK:
+ case SVCBANK:
+ case ABORTBANK:
+ case UNDEFBANK:
+ if (newbank == FIQBANK)
+ for (i = 8; i < 13; i++)
+ state->RegBank[USERBANK][i] =
+ state->Reg[i];
+ state->RegBank[oldbank][13] = state->Reg[13];
+ state->RegBank[oldbank][14] = state->Reg[14];
+ break;
+ case FIQBANK:
+ for (i = 8; i < 15; i++)
+ state->RegBank[FIQBANK][i] = state->Reg[i];
+ break;
+ case DUMMYBANK:
+ for (i = 8; i < 15; i++)
+ state->RegBank[DUMMYBANK][i] = 0;
+ break;
+ default:
+ abort ();
+ }
+
+ /* Restore the new registers. */
+ switch (newbank) {
+ case USERBANK:
+ case IRQBANK:
+ case SVCBANK:
+ case ABORTBANK:
+ case UNDEFBANK:
+ if (oldbank == FIQBANK)
+ for (i = 8; i < 13; i++)
+ state->Reg[i] =
+ state->RegBank[USERBANK][i];
+ state->Reg[13] = state->RegBank[newbank][13];
+ state->Reg[14] = state->RegBank[newbank][14];
+ break;
+ case FIQBANK:
+ for (i = 8; i < 15; i++)
+ state->Reg[i] = state->RegBank[FIQBANK][i];
+ break;
+ case DUMMYBANK:
+ for (i = 8; i < 15; i++)
+ state->Reg[i] = 0;
+ break;
+ default:
+ abort ();
+ }
+ }
+
+ return newmode;
}
/* Given a processor mode, this routine returns the
@@ -367,21 +366,21 @@ ARMul_SwitchMode (ARMul_State * state, ARMword oldmode, ARMword newmode)
static ARMword
ModeToBank (ARMword mode)
{
- static ARMword bankofmode[] = {
- USERBANK, FIQBANK, IRQBANK, SVCBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
- USERBANK, FIQBANK, IRQBANK, SVCBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, ABORTBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, UNDEFBANK,
- DUMMYBANK, DUMMYBANK, DUMMYBANK, SYSTEMBANK
- };
+ static ARMword bankofmode[] = {
+ USERBANK, FIQBANK, IRQBANK, SVCBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, DUMMYBANK,
+ USERBANK, FIQBANK, IRQBANK, SVCBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, ABORTBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, UNDEFBANK,
+ DUMMYBANK, DUMMYBANK, DUMMYBANK, SYSTEMBANK
+ };
- if (mode >= (sizeof (bankofmode) / sizeof (bankofmode[0])))
- return DUMMYBANK;
+ if (mode >= (sizeof (bankofmode) / sizeof (bankofmode[0])))
+ return DUMMYBANK;
- return bankofmode[mode];
+ return bankofmode[mode];
}
/* Returns the register number of the nth register in a reg list. */
@@ -389,13 +388,13 @@ ModeToBank (ARMword mode)
unsigned
ARMul_NthReg (ARMword instr, unsigned number)
{
- unsigned bit, upto;
+ unsigned bit, upto;
- for (bit = 0, upto = 0; upto <= number; bit++)
- if (BIT (bit))
- upto++;
+ for (bit = 0, upto = 0; upto <= number; bit++)
+ if (BIT (bit))
+ upto++;
- return (bit - 1);
+ return (bit - 1);
}
/* Assigns the N and Z flags depending on the value of result. */
@@ -403,18 +402,16 @@ ARMul_NthReg (ARMword instr, unsigned number)
void
ARMul_NegZero (ARMul_State * state, ARMword result)
{
- if (NEG (result)) {
- SETN;
- CLEARZ;
- }
- else if (result == 0) {
- CLEARN;
- SETZ;
- }
- else {
- CLEARN;
- CLEARZ;
- }
+ if (NEG (result)) {
+ SETN;
+ CLEARZ;
+ } else if (result == 0) {
+ CLEARN;
+ SETZ;
+ } else {
+ CLEARN;
+ CLEARZ;
+ }
}
/* Compute whether an addition of A and B, giving RESULT, overflowed. */
@@ -422,8 +419,8 @@ ARMul_NegZero (ARMul_State * state, ARMword result)
int
AddOverflow (ARMword a, ARMword b, ARMword result)
{
- return ((NEG (a) && NEG (b) && POS (result))
- || (POS (a) && POS (b) && NEG (result)));
+ return ((NEG (a) && NEG (b) && POS (result))
+ || (POS (a) && POS (b) && NEG (result)));
}
/* Compute whether a subtraction of A and B, giving RESULT, overflowed. */
@@ -431,8 +428,8 @@ AddOverflow (ARMword a, ARMword b, ARMword result)
int
SubOverflow (ARMword a, ARMword b, ARMword result)
{
- return ((NEG (a) && POS (b) && POS (result))
- || (POS (a) && NEG (b) && NEG (result)));
+ return ((NEG (a) && POS (b) && POS (result))
+ || (POS (a) && NEG (b) && NEG (result)));
}
/* Assigns the C flag after an addition of a and b to give result. */
@@ -440,8 +437,8 @@ SubOverflow (ARMword a, ARMword b, ARMword result)
void
ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result)
{
- ASSIGNC ((NEG (a) && NEG (b)) ||
- (NEG (a) && POS (result)) || (NEG (b) && POS (result)));
+ ASSIGNC ((NEG (a) && NEG (b)) ||
+ (NEG (a) && POS (result)) || (NEG (b) && POS (result)));
}
/* Assigns the V flag after an addition of a and b to give result. */
@@ -449,7 +446,7 @@ ARMul_AddCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result)
void
ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result)
{
- ASSIGNV (AddOverflow (a, b, result));
+ ASSIGNV (AddOverflow (a, b, result));
}
/* Assigns the C flag after an subtraction of a and b to give result. */
@@ -457,8 +454,8 @@ ARMul_AddOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result)
void
ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result)
{
- ASSIGNC ((NEG (a) && POS (b)) ||
- (NEG (a) && POS (result)) || (POS (b) && POS (result)));
+ ASSIGNC ((NEG (a) && POS (b)) ||
+ (NEG (a) && POS (result)) || (POS (b) && POS (result)));
}
/* Assigns the V flag after an subtraction of a and b to give result. */
@@ -466,7 +463,7 @@ ARMul_SubCarry (ARMul_State * state, ARMword a, ARMword b, ARMword result)
void
ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result)
{
- ASSIGNV (SubOverflow (a, b, result));
+ ASSIGNV (SubOverflow (a, b, result));
}
/* This function does the work of generating the addresses used in an
@@ -477,88 +474,88 @@ ARMul_SubOverflow (ARMul_State * state, ARMword a, ARMword b, ARMword result)
void
ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
{
- unsigned cpab;
- ARMword data;
+ unsigned cpab;
+ ARMword data;
- UNDEF_LSCPCBaseWb;
- //printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
-/*chy 2004-05-23 should update this function in the future,should concern dataabort*/
-// chy 2004-05-25 , fix it now,so needn't printf
+ UNDEF_LSCPCBaseWb;
+ //printf("SKYEYE ARMul_LDC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
+ /*chy 2004-05-23 should update this function in the future,should concern dataabort*/
+// chy 2004-05-25 , fix it now,so needn't printf
// printf("SKYEYE ARMul_LDC, should update this function!!!!!\n");
- //exit(-1);
-
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- /*
- printf
- ("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n",
- CPNum, instr, address);
- */
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- //if (ADDREXCEPT (address))
- // INTERNALABORT (address);
-
- cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
-
- if (IntPending (state)) {
- cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0);
- return;
- }
- else
- cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr,
- 0);
- }
- if (cpab == ARMul_CANT) {
- /*
- printf
- ("SKYEYE ARMul_LDC,NOT CAN, underinstr, CPnum is %x, instr %x, addr %x\n",
- CPNum, instr, address);
- */
- CPTAKEABORT;
- return;
- }
-
- cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0);
- data = ARMul_LoadWordN (state, address);
- //chy 2004-05-25
- if (state->abortSig || state->Aborted)
- goto L_ldc_takeabort;
-
- BUSUSEDINCPCN;
+ //exit(-1);
+
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->LDC[CPNum]) {
+ /*
+ printf
+ ("SKYEYE ARMul_LDC,NOT ALLOW, underinstr, CPnum is %x, instr %x, addr %x\n",
+ CPNum, instr, address);
+ */
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
+
+ /*if (ADDREXCEPT (address))
+ INTERNALABORT (address);*/
+
+ cpab = (state->LDC[CPNum]) (state, ARMul_FIRST, instr, 0);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+
+ if (IntPending (state)) {
+ cpab = (state->LDC[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0);
+ return;
+ } else
+ cpab = (state->LDC[CPNum]) (state, ARMul_BUSY, instr,
+ 0);
+ }
+ if (cpab == ARMul_CANT) {
+ /*
+ printf
+ ("SKYEYE ARMul_LDC,NOT CAN, underinstr, CPnum is %x, instr %x, addr %x\n",
+ CPNum, instr, address);
+ */
+ CPTAKEABORT;
+ return;
+ }
+
+ cpab = (state->LDC[CPNum]) (state, ARMul_TRANSFER, instr, 0);
+ data = ARMul_LoadWordN (state, address);
+ //chy 2004-05-25
+ if (state->abortSig || state->Aborted)
+ goto L_ldc_takeabort;
+
+ BUSUSEDINCPCN;
//chy 2004-05-25
-/*
- if (BIT (21))
- LSBase = state->Base;
-*/
+ /*
+ if (BIT (21))
+ LSBase = state->Base;
+ */
- cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
+ cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
- while (cpab == ARMul_INC) {
- address += 4;
- data = ARMul_LoadWordN (state, address);
- //chy 2004-05-25
- if (state->abortSig || state->Aborted)
- goto L_ldc_takeabort;
+ while (cpab == ARMul_INC) {
+ address += 4;
+ data = ARMul_LoadWordN (state, address);
+ //chy 2004-05-25
+ if (state->abortSig || state->Aborted)
+ goto L_ldc_takeabort;
- cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
- }
+ cpab = (state->LDC[CPNum]) (state, ARMul_DATA, instr, data);
+ }
//chy 2004-05-25
- L_ldc_takeabort:
- if (BIT (21)) {
- if (!
- ((state->abortSig || state->Aborted)
- && state->lateabtSig == LOW))
- LSBase = state->Base;
- }
+L_ldc_takeabort:
+ if (BIT (21)) {
+ if (!
+ ((state->abortSig || state->Aborted)
+ && state->lateabtSig == LOW))
+ LSBase = state->Base;
+ }
- if (state->abortSig || state->Aborted)
- TAKEABORT;
+ if (state->abortSig || state->Aborted)
+ TAKEABORT;
}
/* This function does the work of generating the addresses used in an
@@ -569,88 +566,88 @@ ARMul_LDC (ARMul_State * state, ARMword instr, ARMword address)
void
ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
{
- unsigned cpab;
- ARMword data;
+ unsigned cpab;
+ ARMword data;
- UNDEF_LSCPCBaseWb;
+ UNDEF_LSCPCBaseWb;
- //printf("SKYEYE ARMul_STC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
- /*chy 2004-05-23 should update this function in the future,should concern dataabort */
+ //printf("SKYEYE ARMul_STC, CPnum is %x, instr %x, addr %x\n",CPNum, instr, address);
+ /*chy 2004-05-23 should update this function in the future,should concern dataabort */
// skyeye_instr_debug=0;printf("SKYEYE debug end!!!!\n");
-// chy 2004-05-25 , fix it now,so needn't printf
+// chy 2004-05-25 , fix it now,so needn't printf
// printf("SKYEYE ARMul_STC, should update this function!!!!!\n");
- //exit(-1);
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- /*
- printf
- ("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n",
- CPNum, instr, address);
- */
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- //if (ADDREXCEPT (address) || VECTORACCESS (address))
- // INTERNALABORT (address);
-
- cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
- if (IntPending (state)) {
- cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0);
- return;
- }
- else
- cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr,
- &data);
- }
-
- if (cpab == ARMul_CANT) {
- /*
- printf
- ("SKYEYE ARMul_STC,CANT, undefinstr, CPnum is %x, instr %x, addr %x\n",
- CPNum, instr, address);
- */
- CPTAKEABORT;
- return;
- }
-#ifndef MODE32
- if (ADDREXCEPT (address) || VECTORACCESS (address))
- INTERNALABORT (address);
-#endif
- BUSUSEDINCPCN;
+ //exit(-1);
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->STC[CPNum]) {
+ /*
+ printf
+ ("SKYEYE ARMul_STC,NOT ALLOW, undefinstr, CPnum is %x, instr %x, addr %x\n",
+ CPNum, instr, address);
+ */
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
+
+ /*if (ADDREXCEPT (address) || VECTORACCESS (address))
+ INTERNALABORT (address);*/
+
+ cpab = (state->STC[CPNum]) (state, ARMul_FIRST, instr, &data);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+ if (IntPending (state)) {
+ cpab = (state->STC[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0);
+ return;
+ } else
+ cpab = (state->STC[CPNum]) (state, ARMul_BUSY, instr,
+ &data);
+ }
+
+ if (cpab == ARMul_CANT) {
+ /*
+ printf
+ ("SKYEYE ARMul_STC,CANT, undefinstr, CPnum is %x, instr %x, addr %x\n",
+ CPNum, instr, address);
+ */
+ CPTAKEABORT;
+ return;
+ }
+ /*#ifndef MODE32
+ if (ADDREXCEPT (address) || VECTORACCESS (address))
+ INTERNALABORT (address);
+ #endif*/
+ BUSUSEDINCPCN;
//chy 2004-05-25
-/*
- if (BIT (21))
- LSBase = state->Base;
-*/
- cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data);
- ARMul_StoreWordN (state, address, data);
- //chy 2004-05-25
- if (state->abortSig || state->Aborted)
- goto L_stc_takeabort;
-
- while (cpab == ARMul_INC) {
- address += 4;
- cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data);
- ARMul_StoreWordN (state, address, data);
- //chy 2004-05-25
- if (state->abortSig || state->Aborted)
- goto L_stc_takeabort;
- }
+ /*
+ if (BIT (21))
+ LSBase = state->Base;
+ */
+ cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data);
+ ARMul_StoreWordN (state, address, data);
+ //chy 2004-05-25
+ if (state->abortSig || state->Aborted)
+ goto L_stc_takeabort;
+
+ while (cpab == ARMul_INC) {
+ address += 4;
+ cpab = (state->STC[CPNum]) (state, ARMul_DATA, instr, &data);
+ ARMul_StoreWordN (state, address, data);
+ //chy 2004-05-25
+ if (state->abortSig || state->Aborted)
+ goto L_stc_takeabort;
+ }
//chy 2004-05-25
- L_stc_takeabort:
- if (BIT (21)) {
- if (!
- ((state->abortSig || state->Aborted)
- && state->lateabtSig == LOW))
- LSBase = state->Base;
- }
+L_stc_takeabort:
+ if (BIT (21)) {
+ if (!
+ ((state->abortSig || state->Aborted)
+ && state->lateabtSig == LOW))
+ LSBase = state->Base;
+ }
- if (state->abortSig || state->Aborted)
- TAKEABORT;
+ if (state->abortSig || state->Aborted)
+ TAKEABORT;
}
/* This function does the Busy-Waiting for an MCR instruction. */
@@ -658,39 +655,53 @@ ARMul_STC (ARMul_State * state, ARMword instr, ARMword address)
void
ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source)
{
- unsigned cpab;
-
- //printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source);
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- //chy 2004-07-19 should fix in the future ????!!!!
- //printf("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source);
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source);
-
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
-
- if (IntPending (state)) {
- cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0);
- return;
- }
- else
- cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr,
- source);
- }
-
- if (cpab == ARMul_CANT) {
- printf ("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source);
- ARMul_Abort (state, ARMul_UndefinedInstrV);
- }
- else {
- BUSUSEDINCPCN;
- ARMul_Ccycles (state, 1, 0);
- }
+ unsigned cpab;
+ int cm = BITS(0, 3) & 0xf;
+ int cp = BITS(5, 7) & 0x7;
+ int rd = BITS(12, 15) & 0xf;
+ int cn = BITS(16, 19) & 0xf;
+ int cpopc = BITS(21, 23) & 0x7;
+
+ if (CPNum == 15 && source == 0) //Cache flush
+ {
+ return;
+ }
+
+ //printf("SKYEYE ARMul_MCR, CPnum is %x, source %x\n",CPNum, source);
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->MCR[CPNum]) {
+ //chy 2004-07-19 should fix in the future ????!!!!
+ DEBUG("SKYEYE ARMul_MCR, ACCESS_not ALLOWed, UndefinedInstr CPnum is %x, source %x\n",CPNum, source);
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
+
+ //DEBUG("SKYEYE ARMul_MCR p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp);
+ //DEBUG("plutoo: MCR not implemented\n");
+ //exit(1);
+ //return;
+
+ cpab = (state->MCR[CPNum]) (state, ARMul_FIRST, instr, source);
+
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+
+ if (IntPending (state)) {
+ cpab = (state->MCR[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0);
+ return;
+ } else
+ cpab = (state->MCR[CPNum]) (state, ARMul_BUSY, instr,
+ source);
+ }
+
+ if (cpab == ARMul_CANT) {
+ DEBUG("SKYEYE ARMul_MCR, CANT, UndefinedInstr %x CPnum is %x, source %x\n", instr, CPNum, source); //ichfly todo
+ //ARMul_Abort (state, ARMul_UndefinedInstrV);
+ } else {
+ BUSUSEDINCPCN;
+ ARMul_Ccycles (state, 1, 0);
+ }
}
/* This function does the Busy-Waiting for an MCRR instruction. */
@@ -698,83 +709,93 @@ ARMul_MCR (ARMul_State * state, ARMword instr, ARMword source)
void
ARMul_MCRR (ARMul_State * state, ARMword instr, ARMword source1, ARMword source2)
{
- unsigned cpab;
+ unsigned cpab;
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->MCRR[CPNum]) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
- cpab = (state->MCRR[CPNum]) (state, ARMul_FIRST, instr, source1, source2);
+ cpab = (state->MCRR[CPNum]) (state, ARMul_FIRST, instr, source1, source2);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
- if (IntPending (state)) {
- cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0, 0);
- return;
- }
- else
- cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr,
- source1, source2);
- }
- if (cpab == ARMul_CANT) {
- printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2);
- ARMul_Abort (state, ARMul_UndefinedInstrV);
- }
- else {
- BUSUSEDINCPCN;
- ARMul_Ccycles (state, 1, 0);
- }
+ if (IntPending (state)) {
+ cpab = (state->MCRR[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0, 0);
+ return;
+ } else
+ cpab = (state->MCRR[CPNum]) (state, ARMul_BUSY, instr,
+ source1, source2);
+ }
+ if (cpab == ARMul_CANT) {
+ printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x, source %x %x\n", __FUNCTION__, CPNum, instr, source1, source2);
+ ARMul_Abort (state, ARMul_UndefinedInstrV);
+ } else {
+ BUSUSEDINCPCN;
+ ARMul_Ccycles (state, 1, 0);
+ }
}
/* This function does the Busy-Waiting for an MRC instruction. */
-ARMword
-ARMul_MRC (ARMul_State * state, ARMword instr)
+ARMword ARMul_MRC (ARMul_State * state, ARMword instr)
{
- unsigned cpab;
+ int cm = BITS(0, 3) & 0xf;
+ int cp = BITS(5, 7) & 0x7;
+ int rd = BITS(12, 15) & 0xf;
+ int cn = BITS(16, 19) & 0xf;
+ int cpopc = BITS(21, 23) & 0x7;
+ if (cn == 13 && cm == 0 && cp == 3) { //c13,c0,3; returns CPU svc buffer
ARMword result = HLE::CallMRC(instr);
if (result != -1) {
return result;
}
-
- //printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr);
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- //chy 2004-07-19 should fix in the future????!!!!
- //printf("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n",CPNum, instr);
- ARMul_UndefInstr (state, instr);
- return -1;
- }
-
- cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
- if (IntPending (state)) {
- cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0);
- return (0);
- }
- else
- cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr,
- &result);
- }
- if (cpab == ARMul_CANT) {
- printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
- ARMul_Abort (state, ARMul_UndefinedInstrV);
- /* Parent will destroy the flags otherwise. */
- result = ECC;
- }
- else {
- BUSUSEDINCPCN;
- ARMul_Ccycles (state, 1, 0);
- ARMul_Icycles (state, 1, 0);
- }
-
- return result;
+ }
+
+ //DEBUG("SKYEYE ARMul_MRC p%d, %d, r%d, c%d, c%d, %d\n", CPNum, cpopc, rd, cn, cm, cp);
+ //DEBUG("plutoo: MRC not implemented\n");
+ //return;
+
+ unsigned cpab;
+ ARMword result = 0;
+
+ //printf("SKYEYE ARMul_MRC, CPnum is %x, instr %x\n",CPNum, instr);
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->MRC[CPNum]) {
+ //chy 2004-07-19 should fix in the future????!!!!
+ DEBUG("SKYEYE ARMul_MRC,NOT ALLOWed UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
+ ARMul_UndefInstr (state, instr);
+ return -1;
+ }
+
+ cpab = (state->MRC[CPNum]) (state, ARMul_FIRST, instr, &result);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+ if (IntPending (state)) {
+ cpab = (state->MRC[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0);
+ return (0);
+ } else
+ cpab = (state->MRC[CPNum]) (state, ARMul_BUSY, instr,
+ &result);
+ }
+ if (cpab == ARMul_CANT) {
+ printf ("SKYEYE ARMul_MRC,CANT UndefInstr CPnum is %x, instr %x\n", CPNum, instr);
+ ARMul_Abort (state, ARMul_UndefinedInstrV);
+ /* Parent will destroy the flags otherwise. */
+ result = ECC;
+ } else {
+ BUSUSEDINCPCN;
+ ARMul_Ccycles (state, 1, 0);
+ ARMul_Icycles (state, 1, 0);
+ }
+
+ return result;
}
/* This function does the Busy-Waiting for an MRRC instruction. (to verify) */
@@ -782,39 +803,38 @@ ARMul_MRC (ARMul_State * state, ARMword instr)
void
ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2)
{
- unsigned cpab;
- ARMword result1 = 0;
- ARMword result2 = 0;
-
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
-
- cpab = (state->MRRC[CPNum]) (state, ARMul_FIRST, instr, &result1, &result2);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
- if (IntPending (state)) {
- cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT,
- instr, 0, 0);
- return;
- }
- else
- cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr,
- &result1, &result2);
- }
- if (cpab == ARMul_CANT) {
- printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr);
- ARMul_Abort (state, ARMul_UndefinedInstrV);
- }
- else {
- BUSUSEDINCPCN;
- ARMul_Ccycles (state, 1, 0);
- ARMul_Icycles (state, 1, 0);
- }
-
- *dest1 = result1;
- *dest2 = result2;
+ unsigned cpab;
+ ARMword result1 = 0;
+ ARMword result2 = 0;
+
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->MRRC[CPNum]) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
+
+ cpab = (state->MRRC[CPNum]) (state, ARMul_FIRST, instr, &result1, &result2);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+ if (IntPending (state)) {
+ cpab = (state->MRRC[CPNum]) (state, ARMul_INTERRUPT,
+ instr, 0, 0);
+ return;
+ } else
+ cpab = (state->MRRC[CPNum]) (state, ARMul_BUSY, instr,
+ &result1, &result2);
+ }
+ if (cpab == ARMul_CANT) {
+ printf ("In %s, CoProcesscor returned CANT, CPnum is %x, instr %x\n", __FUNCTION__, CPNum, instr);
+ ARMul_Abort (state, ARMul_UndefinedInstrV);
+ } else {
+ BUSUSEDINCPCN;
+ ARMul_Ccycles (state, 1, 0);
+ ARMul_Icycles (state, 1, 0);
+ }
+
+ *dest1 = result1;
+ *dest2 = result2;
}
/* This function does the Busy-Waiting for an CDP instruction. */
@@ -822,27 +842,27 @@ ARMul_MRRC (ARMul_State * state, ARMword instr, ARMword * dest1, ARMword * dest2
void
ARMul_CDP (ARMul_State * state, ARMword instr)
{
- unsigned cpab;
-
- if (!CP_ACCESS_ALLOWED (state, CPNum)) {
- ARMul_UndefInstr (state, instr);
- return;
- }
- cpab = (state->CDP[CPNum]) (state, ARMul_FIRST, instr);
- while (cpab == ARMul_BUSY) {
- ARMul_Icycles (state, 1, 0);
- if (IntPending (state)) {
- cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT,
- instr);
- return;
- }
- else
- cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr);
- }
- if (cpab == ARMul_CANT)
- ARMul_Abort (state, ARMul_UndefinedInstrV);
- else
- BUSUSEDN;
+ unsigned cpab;
+
+ //if (!CP_ACCESS_ALLOWED (state, CPNum)) {
+ if (!state->CDP[CPNum]) {
+ ARMul_UndefInstr (state, instr);
+ return;
+ }
+ cpab = (state->CDP[CPNum]) (state, ARMul_FIRST, instr);
+ while (cpab == ARMul_BUSY) {
+ ARMul_Icycles (state, 1, 0);
+ if (IntPending (state)) {
+ cpab = (state->CDP[CPNum]) (state, ARMul_INTERRUPT,
+ instr);
+ return;
+ } else
+ cpab = (state->CDP[CPNum]) (state, ARMul_BUSY, instr);
+ }
+ if (cpab == ARMul_CANT)
+ ARMul_Abort (state, ARMul_UndefinedInstrV);
+ else
+ BUSUSEDN;
}
/* This function handles Undefined instructions, as CP isntruction. */
@@ -850,11 +870,13 @@ ARMul_CDP (ARMul_State * state, ARMword instr)
void
ARMul_UndefInstr (ARMul_State * state, ARMword instr)
{
- char buff[512];
- ARM_Disasm disasm = ARM_Disasm();
- disasm.disasm(state->pc, instr, buff);
- ERROR_LOG(ARM11, "Undefined instruction!! Disasm: %s Opcode: 0x%x", buff, instr);
- ARMul_Abort (state, ARMul_UndefinedInstrV);
+ /*SKYEYE_LOG_IN_CLR(RED, "In %s, line = %d, undef instr: 0x%x\n",
+ __func__, __LINE__, instr);*/
+ char buff[512];
+ ARM_Disasm disasm = ARM_Disasm();
+ disasm.disasm(state->pc, instr, buff);
+ ERROR_LOG(ARM11, "Undefined instruction!! Disasm: %s Opcode: 0x%x", buff, instr);
+ ARMul_Abort (state, ARMul_UndefinedInstrV);
}
/* Return TRUE if an interrupt is pending, FALSE otherwise. */
@@ -862,33 +884,31 @@ ARMul_UndefInstr (ARMul_State * state, ARMword instr)
unsigned
IntPending (ARMul_State * state)
{
- /* Any exceptions. */
- if (state->NresetSig == LOW) {
- ARMul_Abort (state, ARMul_ResetV);
- return TRUE;
- }
- else if (!state->NfiqSig && !FFLAG) {
- ARMul_Abort (state, ARMul_FIQV);
- return TRUE;
- }
- else if (!state->NirqSig && !IFLAG) {
- ARMul_Abort (state, ARMul_IRQV);
- return TRUE;
- }
+ /* Any exceptions. */
+ if (state->NresetSig == LOW) {
+ ARMul_Abort (state, ARMul_ResetV);
+ return TRUE;
+ } else if (!state->NfiqSig && !FFLAG) {
+ ARMul_Abort (state, ARMul_FIQV);
+ return TRUE;
+ } else if (!state->NirqSig && !IFLAG) {
+ ARMul_Abort (state, ARMul_IRQV);
+ return TRUE;
+ }
- return FALSE;
+ return FALSE;
}
/* Align a word access to a non word boundary. */
ARMword
-ARMul_Align (ARMul_State *state, ARMword address, ARMword data)
+ARMul_Align (ARMul_State* state, ARMword address, ARMword data)
{
- /* This code assumes the address is really unaligned,
- as a shift by 32 is undefined in C. */
+ /* This code assumes the address is really unaligned,
+ as a shift by 32 is undefined in C. */
- address = (address & 3) << 3; /* Get the word address. */
- return ((data >> address) | (data << (32 - address))); /* rot right */
+ address = (address & 3) << 3; /* Get the word address. */
+ return ((data >> address) | (data << (32 - address))); /* rot right */
}
/* This routine is used to call another routine after a certain number of
@@ -898,19 +918,23 @@ ARMul_Align (ARMul_State *state, ARMword address, ARMword data)
void
ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay,
- unsigned (*what) (ARMul_State *))
+ unsigned (*what) (ARMul_State *))
{
- unsigned int when;
- struct EventNode *event;
+ unsigned int when;
+ struct EventNode *event;
- if (state->EventSet++ == 0)
- state->Now = ARMul_Time (state);
- when = (state->Now + delay) % EVENTLISTSIZE;
- event = (struct EventNode *) malloc (sizeof (struct EventNode));
- _dbg_assert_msg_(ARM11, event, "SKYEYE:ARMul_ScheduleEvent: malloc event error\n");
- event->func = what;
- event->next = *(state->EventPtr + when);
- *(state->EventPtr + when) = event;
+ if (state->EventSet++ == 0)
+ state->Now = ARMul_Time (state);
+ when = (state->Now + delay) % EVENTLISTSIZE;
+ event = (struct EventNode *) malloc (sizeof (struct EventNode));
+ if (!event) {
+ printf ("SKYEYE:ARMul_ScheduleEvent: malloc event error\n");
+ exit(-1);
+ //skyeye_exit (-1);
+ }
+ event->func = what;
+ event->next = *(state->EventPtr + when);
+ *(state->EventPtr + when) = event;
}
/* This routine is called at the beginning of
@@ -919,18 +943,18 @@ ARMul_ScheduleEvent (ARMul_State * state, unsigned int delay,
void
ARMul_EnvokeEvent (ARMul_State * state)
{
- static unsigned int then;
-
- then = state->Now;
- state->Now = ARMul_Time (state) % EVENTLISTSIZE;
- if (then < state->Now)
- /* Schedule events. */
- EnvokeList (state, then, state->Now);
- else if (then > state->Now) {
- /* Need to wrap around the list. */
- EnvokeList (state, then, EVENTLISTSIZE - 1L);
- EnvokeList (state, 0L, state->Now);
- }
+ static unsigned int then;
+
+ then = state->Now;
+ state->Now = ARMul_Time (state) % EVENTLISTSIZE;
+ if (then < state->Now)
+ /* Schedule events. */
+ EnvokeList (state, then, state->Now);
+ else if (then > state->Now) {
+ /* Need to wrap around the list. */
+ EnvokeList (state, then, EVENTLISTSIZE - 1L);
+ EnvokeList (state, 0L, state->Now);
+ }
}
/* Envokes all the entries in a range. */
@@ -938,17 +962,17 @@ ARMul_EnvokeEvent (ARMul_State * state)
static void
EnvokeList (ARMul_State * state, unsigned int from, unsigned int to)
{
- for (; from <= to; from++) {
- struct EventNode *anevent;
+ for (; from <= to; from++) {
+ struct EventNode *anevent;
- anevent = *(state->EventPtr + from);
- while (anevent) {
- (anevent->func) (state);
- state->EventSet--;
- anevent = anevent->next;
- }
- *(state->EventPtr + from) = NULL;
- }
+ anevent = *(state->EventPtr + from);
+ while (anevent) {
+ (anevent->func) (state);
+ state->EventSet--;
+ anevent = anevent->next;
+ }
+ *(state->EventPtr + from) = NULL;
+ }
}
/* This routine is returns the number of clock ticks since the last reset. */
@@ -956,6 +980,6 @@ EnvokeList (ARMul_State * state, unsigned int from, unsigned int to)
unsigned int
ARMul_Time (ARMul_State * state)
{
- return (state->NumScycles + state->NumNcycles +
- state->NumIcycles + state->NumCcycles + state->NumFcycles);
+ return (state->NumScycles + state->NumNcycles +
+ state->NumIcycles + state->NumCcycles + state->NumFcycles);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:52:56 +0100