path: root/src/core/arm/interpreter/armos.cpp

/*  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 "core/arm/skyeye_common/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 "core/arm/skyeye_common/armdefs.h"
#include "core/arm/skyeye_common/armos.h"
#include "core/arm/skyeye_common/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;
//}