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/*
skyeye_flash.c - skyeye general flash device file support functions
Copyright (C) 2003 - 2005 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.gro.clinux.org>
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
*/
/*
* 09/22/2005 initial version
* walimis <wlm@student.dlut.edu.cn>
*/
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "armdefs.h"
#include "skyeye_device.h"
#include "skyeye_options.h"
#include "skyeye.h"
#include "skyeye_flash.h"
extern void flash_intel_init(struct device_module_set *mod_set);
extern void flash_sst39lvf160_init(struct device_module_set *mod_set);
extern void flash_am29_init(struct device_module_set *mod_set);
/* initialize the flash module set.
* If you want to add a new flash simulation, just add a "flash_*_init" function to it.
* */
static void
flash_init (struct device_module_set *mod_set)
{
flash_intel_init (mod_set);
flash_sst39lvf160_init (mod_set);
flash_am29_init (mod_set);
}
static int
flash_setup (struct device_desc *dev, void *option)
{
struct flash_device *flash_dev;
struct flash_option *flash_opt = (struct flash_option *) option;
int ret = 0;
flash_dev =
(struct flash_device *) malloc (sizeof (struct flash_device));
if (flash_dev == NULL)
return 1;
memset (flash_dev, 0, sizeof (struct flash_device));
memcpy (&flash_dev->dump[0], &flash_opt->dump[0], MAX_STR_NAME);
dev->dev = (void *) flash_dev;
return ret;
}
static struct device_module_set flash_mod_set = {
.name = "flash",
.count = 0,
.count_max = 0,
.init = flash_init,
.initialized = 0,
.setup_module = flash_setup,
};
/* used by global device initialize function.
* */
void
flash_register ()
{
if (register_device_module_set (&flash_mod_set))
SKYEYE_ERR ("\"%s\" module set register error!\n",
flash_mod_set.name);
}
/* helper functions */
#ifdef __MINGW32__
#include <io.h>
#undef S_IREAD
#undef S_IWRITE
#undef O_CREAT
#undef O_TRUNC
#undef O_WRONLY
#define S_IREAD _S_IREAD
#define S_IWRITE _S_IWRITE
#define O_CREAT _O_CREAT
#define O_TRUNC _O_TRUNC
#define O_WRONLY (_O_WRONLY | _O_BINARY)
#define open(file, flags, mode) _open(file, flags, mode)
#define close(fd) _close(fd)
#define write(fd, buf, count) _write(fd, buf, count)
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifndef S_IREAD
#define S_IREAD S_IRUSR
#endif
#ifndef S_IWRITE
#define S_IWRITE S_IWUSR
#endif
#endif
static int skyeye_flash_arm_read_word (uint32_t addr, uint32_t *data)
{
extern mem_bank_t *global_mbp;
extern mem_bank_t *bank_ptr(ARMword addr);
ARMul_State *state = (ARMul_State*)skyeye_config.mach->state;
if (data == NULL || state == NULL || (global_mbp = bank_ptr(addr)) == NULL ) return -1;
*data = real_read_word(state, addr);
#ifndef HOST_IS_BIG_ENDIAN
if (state->bigendSig == HIGH)
#else
if (state->bigendSig != HIGH)
#endif
*data = ((*data & 0xff) << 24) |
(((*data >> 8) & 0xff) << 16) |
(((*data >> 16) & 0xff) << 8) |
(((*data >> 24) & 0xff));
return 0;
}
int skyeye_flash_dump (const char *filename, uint32_t base, uint32_t size)
{
uint32_t addr, data;
int fd;
int (*read_word_func)(uint32_t, uint32_t*) = NULL;
if (filename == NULL || *filename == 0 ||
skyeye_config.arch == NULL ||
skyeye_config.arch->arch_name == NULL) return -1;
if (strcmp(skyeye_config.arch->arch_name, "arm") == 0) /* arm */
read_word_func = skyeye_flash_arm_read_word;
else /* TODO */
return -1;
fd = open(filename, O_CREAT | O_TRUNC | O_WRONLY, S_IREAD | S_IWRITE);
if (fd == -1) return -1;
for (addr = base; addr < base + size; addr += 4) {
if ((*read_word_func)(base, &data) != 0) {
close(fd);
return -1;
}
write(fd, &data, 4);
}
close(fd);
return 0;
}
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