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-rw-r--r--src/core/arm/interpreter/armos.cpp742
1 files changed, 742 insertions, 0 deletions
diff --git a/src/core/arm/interpreter/armos.cpp b/src/core/arm/interpreter/armos.cpp
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index 000000000..43484ee5f
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+++ b/src/core/arm/interpreter/armos.cpp
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+/* armos.c -- ARMulator OS interface: 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. */
+
+/* This file contains a model of Demon, ARM Ltd's Debug Monitor,
+including all the SWI's required to support the C library. The code in
+it is not really for the faint-hearted (especially the abort handling
+code), but it is a complete example. Defining NOOS will disable all the
+fun, and definign VAILDATE will define SWI 1 to enter SVC mode, and SWI
+0x11 to halt the emulator. */
+
+//chy 2005-09-12 disable below line
+//#include "config.h"
+
+#include <time.h>
+#include <errno.h>
+#include <string.h>
+#include "skyeye_defs.h"
+#ifndef __USE_LARGEFILE64
+#define __USE_LARGEFILE64 /* When use 64 bit large file need define it! for stat64*/
+#endif
+#include <fcntl.h>
+#include <sys/stat.h>
+
+
+#ifndef O_RDONLY
+#define O_RDONLY 0
+#endif
+#ifndef O_WRONLY
+#define O_WRONLY 1
+#endif
+#ifndef O_RDWR
+#define O_RDWR 2
+#endif
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
+#ifdef __STDC__
+#define unlink(s) remove(s)
+#endif
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h> /* For SEEK_SET etc */
+#endif
+
+#ifdef __riscos
+extern int _fisatty (FILE *);
+#define isatty_(f) _fisatty(f)
+#else
+#ifdef __ZTC__
+#include <io.h>
+#define isatty_(f) isatty((f)->_file)
+#else
+#ifdef macintosh
+#include <ioctl.h>
+#define isatty_(f) (~ioctl ((f)->_file, FIOINTERACTIVE, NULL))
+#else
+#define isatty_(f) isatty (fileno (f))
+#endif
+#endif
+#endif
+
+#include "armdefs.h"
+#include "armos.h"
+#include "armemu.h"
+
+#ifndef NOOS
+#ifndef VALIDATE
+/* #ifndef ASIM */
+//chy 2005-09-12 disable below line
+//#include "armfpe.h"
+/* #endif */
+#endif
+#endif
+
+#define DUMP_SYSCALL 0
+#define dump(...) do { if (DUMP_SYSCALL) printf(__VA_ARGS__); } while(0)
+//#define debug(...) printf(__VA_ARGS__);
+#define debug(...) ;
+
+extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number);
+
+#ifndef FOPEN_MAX
+#define FOPEN_MAX 64
+#endif
+
+/***************************************************************************\
+* OS private Information *
+\***************************************************************************/
+
+unsigned arm_dyncom_SWI(ARMul_State * state, ARMword number)
+{
+ return ARMul_OSHandleSWI(state, number);
+}
+
+//mmap_area_t *mmap_global = NULL;
+
+static int translate_open_mode[] = {
+ O_RDONLY, /* "r" */
+ O_RDONLY + O_BINARY, /* "rb" */
+ O_RDWR, /* "r+" */
+ O_RDWR + O_BINARY, /* "r+b" */
+ O_WRONLY + O_CREAT + O_TRUNC, /* "w" */
+ O_WRONLY + O_BINARY + O_CREAT + O_TRUNC, /* "wb" */
+ O_RDWR + O_CREAT + O_TRUNC, /* "w+" */
+ O_RDWR + O_BINARY + O_CREAT + O_TRUNC, /* "w+b" */
+ O_WRONLY + O_APPEND + O_CREAT, /* "a" */
+ O_WRONLY + O_BINARY + O_APPEND + O_CREAT, /* "ab" */
+ O_RDWR + O_APPEND + O_CREAT, /* "a+" */
+ O_RDWR + O_BINARY + O_APPEND + O_CREAT /* "a+b" */
+};
+//
+//static void
+//SWIWrite0 (ARMul_State * state, ARMword addr)
+//{
+// ARMword temp;
+//
+// //while ((temp = ARMul_ReadByte (state, addr++)) != 0)
+// while(1){
+// mem_read(8, addr++, &temp);
+// if(temp != 0)
+// (void) fputc ((char) temp, stdout);
+// else
+// break;
+// }
+//}
+//
+//static void
+//WriteCommandLineTo (ARMul_State * state, ARMword addr)
+//{
+// ARMword temp;
+// char *cptr = state->CommandLine;
+// if (cptr == NULL)
+// cptr = "\0";
+// do {
+// temp = (ARMword) * cptr++;
+// //ARMul_WriteByte (state, addr++, temp);
+// mem_write(8, addr++, temp);
+// }
+// while (temp != 0);
+//}
+//
+//static void
+//SWIopen (ARMul_State * state, ARMword name, ARMword SWIflags)
+//{
+// char dummy[2000];
+// int flags;
+// int i;
+//
+// for (i = 0; (dummy[i] = ARMul_ReadByte (state, name + i)); i++);
+// assert(SWIflags< (sizeof(translate_open_mode)/ sizeof(translate_open_mode[0])));
+// /* Now we need to decode the Demon open mode */
+// flags = translate_open_mode[SWIflags];
+// flags = SWIflags;
+//
+// /* Filename ":tt" is special: it denotes stdin/out */
+// if (strcmp (dummy, ":tt") == 0) {
+// if (flags == O_RDONLY) /* opening tty "r" */
+// state->Reg[0] = 0; /* stdin */
+// else
+// state->Reg[0] = 1; /* stdout */
+// }
+// else {
+// state->Reg[0] = (int) open (dummy, flags, 0666);
+// }
+//}
+//
+//static void
+//SWIread (ARMul_State * state, ARMword f, ARMword ptr, ARMword len)
+//{
+// int res;
+// int i;
+// char *local = (char*) malloc (len);
+//
+// if (local == NULL) {
+// fprintf (stderr,
+// "sim: Unable to read 0x%ulx bytes - out of memory\n",
+// len);
+// return;
+// }
+//
+// res = read (f, local, len);
+// if (res > 0)
+// for (i = 0; i < res; i++)
+// //ARMul_WriteByte (state, ptr + i, local[i]);
+// mem_write(8, ptr + i, local[i]);
+// free (local);
+// //state->Reg[0] = res == -1 ? -1 : len - res;
+// state->Reg[0] = res;
+//}
+//
+//static void
+//SWIwrite (ARMul_State * state, ARMword f, ARMword ptr, ARMword len)
+//{
+// int res;
+// ARMword i;
+// char *local = malloc (len);
+//
+// if (local == NULL) {
+// fprintf (stderr,
+// "sim: Unable to write 0x%lx bytes - out of memory\n",
+// (long unsigned int) len);
+// return;
+// }
+//
+// for (i = 0; i < len; i++){
+// //local[i] = ARMul_ReadByte (state, ptr + i);
+// ARMword data;
+// mem_read(8, ptr + i, &data);
+// local[i] = data & 0xFF;
+// }
+//
+// res = write (f, local, len);
+// //state->Reg[0] = res == -1 ? -1 : len - res;
+// state->Reg[0] = res;
+// free (local);
+//}
+
+//static void
+//SWIflen (ARMul_State * state, ARMword fh)
+//{
+// ARMword addr;
+//
+// if (fh == 0 || fh > FOPEN_MAX) {
+// state->Reg[0] = -1L;
+// return;
+// }
+//
+// addr = lseek (fh, 0, SEEK_CUR);
+//
+// state->Reg[0] = lseek (fh, 0L, SEEK_END);
+// (void) lseek (fh, addr, SEEK_SET);
+//
+//}
+
+/***************************************************************************\
+* The emulator calls this routine when a SWI instruction is encuntered. The *
+* parameter passed is the SWI number (lower 24 bits of the instruction). *
+\***************************************************************************/
+/* ahe-ykl information is retrieved from elf header and the starting value of
+ brk_static is in sky_info_t */
+
+/* brk static hold the value of brk */
+static uint32_t brk_static = -1;
+
+unsigned
+ARMul_OSHandleSWI (ARMul_State * state, ARMword number)
+{
+ number &= 0xfffff;
+ ARMword addr, temp;
+
+ switch (number) {
+// case SWI_Syscall:
+// if (state->Reg[7] != 0)
+// return ARMul_OSHandleSWI(state, state->Reg[7]);
+// else
+// return FALSE;
+// case SWI_Read:
+// SWIread (state, state->Reg[0], state->Reg[1], state->Reg[2]);
+// return TRUE;
+//
+// case SWI_GetUID32:
+// state->Reg[0] = getuid();
+// return TRUE;
+//
+// case SWI_GetGID32:
+// state->Reg[0] = getgid();
+// return TRUE;
+//
+// case SWI_GetEUID32:
+// state->Reg[0] = geteuid();
+// return TRUE;
+//
+// case SWI_GetEGID32:
+// state->Reg[0] = getegid();
+// return TRUE;
+//
+// case SWI_Write:
+// SWIwrite (state, state->Reg[0], state->Reg[1], state->Reg[2]);
+// return TRUE;
+//
+// case SWI_Open:
+// SWIopen (state, state->Reg[0], state->Reg[1]);
+// return TRUE;
+//
+// case SWI_Close:
+// state->Reg[0] = close (state->Reg[0]);
+// return TRUE;
+//
+// case SWI_Seek:{
+// /* We must return non-zero for failure */
+// state->Reg[0] =
+// lseek (state->Reg[0], state->Reg[1],
+// SEEK_SET);
+// return TRUE;
+// }
+//
+// case SWI_ExitGroup:
+// case SWI_Exit:
+// {
+// struct timeval tv;
+// //gettimeofday(&tv,NULL);
+// //printf("In %s, %d sec, %d usec\n", __FUNCTION__, tv.tv_sec, tv.tv_usec);
+// printf("passed %d sec, %lld usec\n", get_clock_sec(), get_clock_us());
+//
+// /* quit here */
+// run_command("quit");
+// return TRUE;
+// }
+// case SWI_Times:{
+// uint32_t dest = state->Reg[0];
+// struct tms now;
+// struct target_tms32 nowret;
+//
+// uint32_t ret = times(&now);
+//
+// if (ret == -1){
+// debug("syscall %s error %d\n", "SWI_Times", ret);
+// state->Reg[0] = ret;
+// return FALSE;
+// }
+//
+// nowret.tms_cstime = now.tms_cstime;
+// nowret.tms_cutime = now.tms_cutime;
+// nowret.tms_stime = now.tms_stime;
+// nowret.tms_utime = now.tms_utime;
+//
+// uint32_t offset;
+// for (offset = 0; offset < sizeof(nowret); offset++) {
+// bus_write(8, dest + offset, *((uint8_t *) &nowret + offset));
+// }
+//
+// state->Reg[0] = ret;
+// return TRUE;
+// }
+//
+// case SWI_Gettimeofday: {
+// uint32_t dest1 = state->Reg[0];
+// uint32_t dest2 = state->Reg[1]; // Unsure of this
+// struct timeval val;
+// struct timezone zone;
+// struct target_timeval32 valret;
+// struct target_timezone32 zoneret;
+//
+// uint32_t ret = gettimeofday(&val, &zone);
+// valret.tv_sec = val.tv_sec;
+// valret.tv_usec = val.tv_usec;
+// zoneret.tz_dsttime = zoneret.tz_dsttime;
+// zoneret.tz_minuteswest = zoneret.tz_minuteswest;
+//
+// if (ret == -1){
+// debug("syscall %s error %d\n", "SWI_Gettimeofday", ret);
+// state->Reg[0] = ret;
+// return FALSE;
+// }
+//
+// uint32_t offset;
+// if (dest1) {
+// for (offset = 0; offset < sizeof(valret); offset++) {
+// bus_write(8, dest1 + offset, *((uint8_t *) &valret + offset));
+// }
+// state->Reg[0] = ret;
+// }
+// if (dest2) {
+// for (offset = 0; offset < sizeof(zoneret); offset++) {
+// bus_write(8, dest2 + offset, *((uint8_t *) &zoneret + offset));
+// }
+// state->Reg[0] = ret;
+// }
+//
+// return TRUE;
+// }
+// case SWI_Brk:
+// /* initialize brk value */
+// /* suppose that brk_static doesn't reach 0xffffffff... */
+// if (brk_static == -1) {
+// brk_static = (get_skyeye_pref()->info).brk;
+// }
+//
+// /* FIXME there might be a need to do a mmap */
+//
+// if(state->Reg[0]){
+// if (get_skyeye_exec_info()->mmap_access) {
+// /* if new brk is greater than current brk, allocate memory */
+// if (state->Reg[0] > brk_static) {
+// uint32_t ret = mmap( (void *) brk_static, state->Reg[0] - brk_static,
+// PROT_WRITE, MAP_PRIVATE | MAP_FIXED | MAP_ANONYMOUS, -1, 0 );
+// if (ret != MAP_FAILED)
+// brk_static = ret;
+// }
+// }
+// brk_static = state->Reg[0];
+// //state->Reg[0] = 0; /* FIXME return value of brk set to be the address on success */
+// } else {
+// state->Reg[0] = brk_static;
+// }
+// return TRUE;
+//
+// case SWI_Break:
+// state->Emulate = FALSE;
+// return TRUE;
+//
+// case SWI_Mmap:{
+// int addr = state->Reg[0];
+// int len = state->Reg[1];
+// int prot = state->Reg[2];
+// int flag = state->Reg[3];
+// int fd = state->Reg[4];
+// int offset = state->Reg[5];
+// mmap_area_t *area = new_mmap_area(addr, len);
+// state->Reg[0] = area->bank.addr;
+// //printf("syscall %d mmap(0x%x,%x,0x%x,0x%x,%d,0x%x) = 0x%x\n",\
+// SWI_Mmap, addr, len, prot, flag, fd, offset, state->Reg[0]);
+// return TRUE;
+// }
+//
+// case SWI_Munmap:
+// state->Reg[0] = 0;
+// return TRUE;
+//
+// case SWI_Mmap2:{
+// int addr = state->Reg[0];
+// int len = state->Reg[1];
+// int prot = state->Reg[2];
+// int flag = state->Reg[3];
+// int fd = state->Reg[4];
+// int offset = state->Reg[5] * 4096; /* page offset */
+// mmap_area_t *area = new_mmap_area(addr, len);
+// state->Reg[0] = area->bank.addr;
+//
+// return TRUE;
+// }
+//
+// case SWI_Breakpoint:
+// //chy 2005-09-12 change below line
+// //state->EndCondition = RDIError_BreakpointReached;
+// //printf ("SKYEYE: in armos.c : should not come here!!!!\n");
+// state->EndCondition = 0;
+// /*modified by ksh to support breakpoiont*/
+// state->Emulate = STOP;
+// return (TRUE);
+// case SWI_Uname:
+// {
+// struct utsname *uts = (uintptr_t) state->Reg[0]; /* uname should write data in this address */
+// struct utsname utsbuf;
+// //printf("Uname size is %x\n", sizeof(utsbuf));
+// char *buf;
+// uintptr_t sp ; /* used as a temporary address */
+//
+//#define COPY_UTS_STRING(addr) \
+// buf = addr; \
+// while(*buf != NULL) { \
+// bus_write(8, sp, *buf); \
+// sp++; \
+// buf++; \
+// }
+//#define COPY_UTS(field) /*printf("%s: %s at %p\n", #field, utsbuf.field, uts->field);*/ \
+// sp = (uintptr_t) uts->field; \
+// COPY_UTS_STRING((&utsbuf)->field);
+//
+// if (uname(&utsbuf) < 0) {
+// printf("syscall uname: utsname error\n");
+// state->Reg[0] = -1;
+// return FALSE;
+// }
+//
+// /* FIXME for now, this is just the host system call
+// Some data should be missing, as it depends on
+// the version of utsname */
+// COPY_UTS(sysname);
+// COPY_UTS(nodename);
+// COPY_UTS(release);
+// COPY_UTS(version);
+// COPY_UTS(machine);
+//
+// state->Reg[0] = 0;
+// return TRUE;
+// }
+// case SWI_Fcntl:
+// {
+// uint32_t fd = state->Reg[0];
+// uint32_t cmd = state->Reg[1];
+// uint32_t arg = state->Reg[2];
+// uint32_t ret;
+//
+// switch(cmd){
+// case (F_GETFD):
+// {
+// ret = fcntl(fd, cmd, arg);
+// //printf("syscall fcntl for getfd not implemented, ret %d\n", ret);
+// state->Reg[0] = ret;
+// return FALSE;
+// }
+// default:
+// break;
+// }
+//
+// printf("syscall fcntl unimplemented fd %x cmd %x\n", fd, cmd);
+// state->Reg[0] = -1;
+// return FALSE;
+//
+// }
+// case SWI_Fstat64:
+// {
+// uint32_t dest = state->Reg[1];
+// uint32_t fd = state->Reg[0];
+// struct stat64 statbuf;
+// struct target_stat64 statret;
+// memset(&statret, 0, sizeof(struct target_stat64));
+// uint32_t ret = fstat64(fd, &statbuf);
+//
+// if (ret == -1){
+// printf("syscall %s returned error\n", "SWI_Fstat");
+// state->Reg[0] = ret;
+// return FALSE;
+// }
+//
+// /* copy statbuf to the process memory space
+// FIXME can't say if endian has an effect here */
+// uint32_t offset;
+// //printf("Fstat system is size %x\n", sizeof(statbuf));
+// //printf("Fstat target is size %x\n", sizeof(statret));
+//
+// /* we copy system structure data stat64 into arm fixed size structure target_stat64 */
+// statret.st_dev = statbuf.st_dev;
+// statret.st_ino = statbuf.st_ino;
+// statret.st_mode = statbuf.st_mode;
+// statret.st_nlink = statbuf.st_nlink;
+// statret.st_uid = statbuf.st_uid;
+// statret.st_gid = statbuf.st_gid;
+// statret.st_rdev = statbuf.st_rdev;
+// statret.st_size = statbuf.st_size;
+// statret.st_blksize = statbuf.st_blksize;
+// statret.st_blocks = statbuf.st_blocks;
+// statret.st32_atime = statbuf.st_atime;
+// statret.st32_mtime = statbuf.st_mtime;
+// statret.st32_ctime = statbuf.st_ctime;
+//
+// for (offset = 0; offset < sizeof(statret); offset++) {
+// bus_write(8, dest + offset, *((uint8_t *) &statret + offset));
+// }
+//
+// state->Reg[0] = ret;
+// return TRUE;
+// }
+// case SWI_Set_tls:
+// {
+// //printf("syscall set_tls unimplemented\n");
+// state->mmu.thread_uro_id = state->Reg[0];
+// state->CP15[CP15_THREAD_URO - CP15_BASE] = state->Reg[0];
+// state->Reg[0] = 0;
+// return FALSE;
+// }
+//#if 0
+// case SWI_Clock:
+// /* return number of centi-seconds... */
+// state->Reg[0] =
+//#ifdef CLOCKS_PER_SEC
+// (CLOCKS_PER_SEC >= 100)
+// ? (ARMword) (clock () / (CLOCKS_PER_SEC / 100))
+// : (ARMword) ((clock () * 100) / CLOCKS_PER_SEC);
+//#else
+// /* presume unix... clock() returns microseconds */
+// (ARMword) (clock () / 10000);
+//#endif
+// return (TRUE);
+//
+// case SWI_Time:
+// state->Reg[0] = (ARMword) time (NULL);
+// return (TRUE);
+// case SWI_Flen:
+// SWIflen (state, state->Reg[0]);
+// return (TRUE);
+//
+//#endif
+ default:
+
+ _dbg_assert_msg_(ARM11, false, "ImplementMe: ARMul_OSHandleSWI!");
+
+ return (FALSE);
+ }
+}
+//
+///**
+// * @brief For mmap syscall.A mmap_area is a memory bank. Get from ppc.
+// */
+//static mmap_area_t* new_mmap_area(int sim_addr, int len){
+// mmap_area_t *area = (mmap_area_t *)malloc(sizeof(mmap_area_t));
+// if(area == NULL){
+// printf("error, failed %s\n",__FUNCTION__);
+// exit(0);
+// }
+//#if FAST_MEMORY
+// if (mmap_next_base == -1)
+// {
+// mmap_next_base = get_skyeye_exec_info()->brk;
+// }
+//#endif
+//
+// memset(area, 0x0, sizeof(mmap_area_t));
+// area->bank.addr = mmap_next_base;
+// area->bank.len = len;
+// area->bank.bank_write = mmap_mem_write;
+// area->bank.bank_read = mmap_mem_read;
+// area->bank.type = MEMTYPE_RAM;
+// area->bank.objname = "mmap";
+// addr_mapping(&area->bank);
+//
+//#if FAST_MEMORY
+// if (get_skyeye_exec_info()->mmap_access)
+// {
+// /* FIXME check proper flags */
+// /* FIXME we may delete the need of banks up there */
+// uint32_t ret = mmap(mmap_next_base, len, PROT_WRITE | PROT_READ, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+// mmap_next_base = ret;
+// }
+// area->mmap_addr = (uint8_t*)get_dma_addr(mmap_next_base);
+//#else
+// area->mmap_addr = malloc(len);
+// if(area->mmap_addr == NULL){
+// printf("error mmap malloc\n");
+// exit(0);
+// }
+// memset(area->mmap_addr, 0x0, len);
+//#endif
+//
+// area->next = NULL;
+// if(mmap_global){
+// area->next = mmap_global->next;
+// mmap_global->next = area;
+// }else{
+// mmap_global = area;
+// }
+// mmap_next_base = mmap_next_base + len;
+// return area;
+//}
+//
+//static mmap_area_t *get_mmap_area(int addr){
+// mmap_area_t *tmp = mmap_global;
+// while(tmp){
+// if ((tmp->bank.addr <= addr) && (tmp->bank.addr + tmp->bank.len > addr)){
+// return tmp;
+// }
+// tmp = tmp->next;
+// }
+// printf("cannot get mmap area:addr=0x%x\n", addr);
+// return NULL;
+//}
+//
+///**
+// * @brief the mmap_area bank write function. Get from ppc.
+// *
+// * @param size size to write, 8/16/32
+// * @param addr address to write
+// * @param value value to write
+// *
+// * @return sucess return 1,otherwise 0.
+// */
+//static char mmap_mem_write(short size, int addr, uint32_t value){
+// mmap_area_t *area_tmp = get_mmap_area(addr);
+// mem_bank_t *bank_tmp = &area_tmp->bank;
+// int offset = addr - bank_tmp->addr;
+// switch(size){
+// case 8:{
+// //uint8_t value_endian = value;
+// uint8_t value_endian = (uint8_t)value;
+// *(uint8_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
+// break;
+// }
+// case 16:{
+// //uint16_t value_endian = half_to_BE((uint16_t)value);
+// uint16_t value_endian = ((uint16_t)value);
+// *(uint16_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
+// break;
+// }
+// case 32:{
+// //uint32_t value_endian = word_to_BE((uint32_t)value);
+// uint32_t value_endian = ((uint32_t)value);
+// *(uint32_t *)&(((char *)area_tmp->mmap_addr)[offset]) = value_endian;
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,value_endian);
+// break;
+// }
+// default:
+// printf("invalid size %d\n",size);
+// return 0;
+// }
+// return 1;
+//}
+//
+///**
+// * @brief the mmap_area bank read function. Get from ppc.
+// *
+// * @param size size to read, 8/16/32
+// * @param addr address to read
+// * @param value value to read
+// *
+// * @return sucess return 1,otherwise 0.
+// */
+//static char mmap_mem_read(short size, int addr, uint32_t * value){
+// mmap_area_t *area_tmp = get_mmap_area(addr);
+// mem_bank_t *bank_tmp = &area_tmp->bank;
+// int offset = addr - bank_tmp->addr;
+// switch(size){
+// case 8:{
+// //*(uint8_t *)value = *(uint8_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]);
+// *value = *(uint8_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]);
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint32_t*)value);
+// break;
+// }
+// case 16:{
+// //*(uint16_t *)value = half_from_BE(*(uint16_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
+// *value = (*(uint16_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint16_t*)value);
+// break;
+// }
+// case 32:
+// //*value = (uint32_t)word_from_BE(*(uint32_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
+// *value = (uint32_t)(*(uint32_t *)&(((uint8_t *)area_tmp->mmap_addr)[offset]));
+// debug("in %s,size=%d,addr=0x%x,value=0x%x\n",__FUNCTION__,size,addr,*(uint32_t*)value);
+// break;
+// default:
+// printf("invalid size %d\n",size);
+// return 0;
+// }
+// return 1;
+//}