diff options
Diffstat (limited to 'src/core/arm/skyeye_common')
-rw-r--r-- | src/core/arm/skyeye_common/armdefs.h | 34 | ||||
-rw-r--r-- | src/core/arm/skyeye_common/armmmu.h | 1 | ||||
-rw-r--r-- | src/core/arm/skyeye_common/armsupp.cpp | 9 | ||||
-rw-r--r-- | src/core/arm/skyeye_common/armsupp.h | 42 |
4 files changed, 48 insertions, 38 deletions
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h index a0ec108c7..f183b5098 100644 --- a/src/core/arm/skyeye_common/armdefs.h +++ b/src/core/arm/skyeye_common/armdefs.h @@ -22,9 +22,6 @@ #include "common/common_types.h" #include "core/arm/skyeye_common/arm_regformat.h" -#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1)) -#define BIT(s, n) ((s >> (n)) & 1) - // Signal levels enum { LOW = 0, @@ -47,9 +44,6 @@ enum { ABORT_BASE_UPDATED = 2 }; -#define POS(i) ( (~(i)) >> 31 ) -#define NEG(i) ( (i) >> 31 ) - typedef u64 ARMdword; // must be 64 bits wide typedef u32 ARMword; // must be 32 bits wide typedef u16 ARMhword; // must be 16 bits wide @@ -288,31 +282,3 @@ enum { ONCE = 2, // Execute just one iteration RUN = 3 // Continuous execution }; - - -bool AddOverflow(ARMword, ARMword, ARMword); -bool SubOverflow(ARMword, ARMword, ARMword); - -void ARMul_SelectProcessor(ARMul_State*, unsigned); - -u32 AddWithCarry(u32, u32, u32, bool*, bool*); -bool ARMul_AddOverflowQ(ARMword, ARMword); - -u8 ARMul_SignedSaturatedAdd8(u8, u8); -u8 ARMul_SignedSaturatedSub8(u8, u8); -u16 ARMul_SignedSaturatedAdd16(u16, u16); -u16 ARMul_SignedSaturatedSub16(u16, u16); - -u8 ARMul_UnsignedSaturatedAdd8(u8, u8); -u16 ARMul_UnsignedSaturatedAdd16(u16, u16); -u8 ARMul_UnsignedSaturatedSub8(u8, u8); -u16 ARMul_UnsignedSaturatedSub16(u16, u16); -u8 ARMul_UnsignedAbsoluteDifference(u8, u8); -u32 ARMul_SignedSatQ(s32, u8, bool*); -u32 ARMul_UnsignedSatQ(s32, u8, bool*); - -bool InBigEndianMode(ARMul_State*); -bool InAPrivilegedMode(ARMul_State*); - -u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); -void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); diff --git a/src/core/arm/skyeye_common/armmmu.h b/src/core/arm/skyeye_common/armmmu.h index c67d7209b..6aa2e0771 100644 --- a/src/core/arm/skyeye_common/armmmu.h +++ b/src/core/arm/skyeye_common/armmmu.h @@ -24,6 +24,7 @@ #include "core/memory.h" #include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armsupp.h" // Register numbers in the MMU enum diff --git a/src/core/arm/skyeye_common/armsupp.cpp b/src/core/arm/skyeye_common/armsupp.cpp index 83f7f3e2c..e1d4509c4 100644 --- a/src/core/arm/skyeye_common/armsupp.cpp +++ b/src/core/arm/skyeye_common/armsupp.cpp @@ -18,8 +18,9 @@ #include "common/logging/log.h" #include "core/mem_map.h" -#include "core/arm/skyeye_common/armdefs.h" #include "core/arm/skyeye_common/arm_regformat.h" +#include "core/arm/skyeye_common/armdefs.h" +#include "core/arm/skyeye_common/armsupp.h" // Unsigned sum of absolute difference u8 ARMul_UnsignedAbsoluteDifference(u8 left, u8 right) @@ -47,21 +48,21 @@ u32 AddWithCarry(u32 left, u32 right, u32 carry_in, bool* carry_out_occurred, bo } // Compute whether an addition of A and B, giving RESULT, overflowed. -bool AddOverflow(ARMword a, ARMword b, ARMword result) +bool AddOverflow(u32 a, u32 b, u32 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. -bool SubOverflow(ARMword a, ARMword b, ARMword result) +bool SubOverflow(u32 a, u32 b, u32 result) { return ((NEG(a) && POS(b) && POS(result)) || (POS(a) && NEG(b) && NEG(result))); } // Returns true if the Q flag should be set as a result of overflow. -bool ARMul_AddOverflowQ(ARMword a, ARMword b) +bool ARMul_AddOverflowQ(u32 a, u32 b) { u32 result = a + b; if (((result ^ a) & (u32)0x80000000) && ((a ^ b) & (u32)0x80000000) == 0) diff --git a/src/core/arm/skyeye_common/armsupp.h b/src/core/arm/skyeye_common/armsupp.h new file mode 100644 index 000000000..d82b21107 --- /dev/null +++ b/src/core/arm/skyeye_common/armsupp.h @@ -0,0 +1,42 @@ +// Copyright 2014 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" + +struct ARMul_State; + +#define BITS(s, a, b) ((s << ((sizeof(s) * 8 - 1) - b)) >> (sizeof(s) * 8 - b + a - 1)) +#define BIT(s, n) ((s >> (n)) & 1) + +#define POS(i) ( (~(i)) >> 31 ) +#define NEG(i) ( (i) >> 31 ) + +bool AddOverflow(u32, u32, u32); +bool SubOverflow(u32, u32, u32); + +void ARMul_SelectProcessor(ARMul_State*, unsigned); + +u32 AddWithCarry(u32, u32, u32, bool*, bool*); +bool ARMul_AddOverflowQ(u32, u32); + +u8 ARMul_SignedSaturatedAdd8(u8, u8); +u8 ARMul_SignedSaturatedSub8(u8, u8); +u16 ARMul_SignedSaturatedAdd16(u16, u16); +u16 ARMul_SignedSaturatedSub16(u16, u16); + +u8 ARMul_UnsignedSaturatedAdd8(u8, u8); +u16 ARMul_UnsignedSaturatedAdd16(u16, u16); +u8 ARMul_UnsignedSaturatedSub8(u8, u8); +u16 ARMul_UnsignedSaturatedSub16(u16, u16); +u8 ARMul_UnsignedAbsoluteDifference(u8, u8); +u32 ARMul_SignedSatQ(s32, u8, bool*); +u32 ARMul_UnsignedSatQ(s32, u8, bool*); + +bool InBigEndianMode(ARMul_State*); +bool InAPrivilegedMode(ARMul_State*); + +u32 ReadCP15Register(ARMul_State* cpu, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); +void WriteCP15Register(ARMul_State* cpu, u32 value, u32 crn, u32 opcode_1, u32 crm, u32 opcode_2); |