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TegraExplorer/source/tegraexplorer/emmc/emmcdumpbis.c
2020-03-19 13:00:42 +01:00

120 lines
No EOL
3.4 KiB
C

#include <string.h>
#include "emmcoperations.h"
#include "../../gfx/gfx.h"
#include "../gfx/gfxutils.h"
#include "../../utils/types.h"
#include "emmc.h"
#include "../../storage/emummc.h"
#include "../common/common.h"
#include "../../libs/fatfs/ff.h"
#include "../../utils/sprintf.h"
#include "../../utils/btn.h"
#include "../../mem/heap.h"
#include "../../storage/nx_emmc.h"
#include "../common/types.h"
#include "../utils/utils.h"
#include "../fs/fsutils.h"
extern sdmmc_storage_t storage;
extern emmc_part_t *system_part;
int dump_emmc_part(char *path, sdmmc_storage_t *mmcstorage, emmc_part_t *part){
FIL fp;
u8 *buf;
u32 lba_curr = part->lba_start;
u32 bytesWritten = 0;
u32 totalSectors = part->lba_end - part->lba_start + 1;
u64 totalSize = (u64)((u64)totalSectors << 9);
u32 num = 0;
u32 pct = 0;
int res;
gfx_printf("Initializing\r");
buf = calloc(BUFSIZE, sizeof(u8));
if (!buf){
gfx_errDisplay("dump_emmc_part", ERR_MEM_ALLOC_FAILED, 1);
return -1;
}
if ((res = f_open(&fp, path, FA_CREATE_ALWAYS | FA_WRITE))){
gfx_errDisplay("dump_emmc_part", res, 2);
return -1;
}
f_lseek(&fp, totalSize);
f_lseek(&fp, 0);
while (totalSectors > 0){
num = MIN(totalSectors, 64);
if (!emummc_storage_read(mmcstorage, lba_curr, num, buf)){
gfx_errDisplay("dump_emmc_part", ERR_EMMC_READ_FAILED, 3);
return -1;
}
if ((res = f_write(&fp, buf, num * NX_EMMC_BLOCKSIZE, NULL))){
gfx_errDisplay("dump_emmc_part", res, 4);
return -1;
}
pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
gfx_printf("Progress: %d%%\r", pct);
lba_curr += num;
totalSectors -= num;
bytesWritten += num * NX_EMMC_BLOCKSIZE;
}
gfx_printf(" \r");
f_close(&fp);
free(buf);
return 0;
}
int dump_emmc_parts(u16 parts, u8 mmctype){
char *path;
char basepath[] = "sd:/tegraexplorer/dumps";
f_mkdir("sd:/tegraexplorer");
f_mkdir("sd:/tegraexplorer/dumps");
connect_mmc(mmctype);
gfx_clearscreen();
if (parts & PART_BOOT){
emmc_part_t bootPart;
const u32 BOOT_PART_SIZE = storage.ext_csd.boot_mult << 17;
memset(&bootPart, 0, sizeof(bootPart));
bootPart.lba_start = 0;
bootPart.lba_end = (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1;
for (int i = 0; i < 2; i++){
strcpy(bootPart.name, "BOOT");
bootPart.name[4] = (u8)('0' + i);
bootPart.name[5] = 0;
emummc_storage_set_mmc_partition(&storage, i + 1);
utils_copystring(fsutil_getnextloc(basepath, bootPart.name), &path);
gfx_printf("Dumping %s\n", bootPart.name);
dump_emmc_part(path, &storage, &bootPart);
free(path);
}
}
if (parts & PART_PKG2){
for (int i = 0; i < 6; i++){
if (connect_part(pkg2names[i])){
gfx_errDisplay("dump_emmc_parts", ERR_PART_NOT_FOUND, 0);
return -1;
}
utils_copystring(fsutil_getnextloc(basepath, system_part->name), &path);
gfx_printf("Dumping %s\n", system_part->name);
dump_emmc_part(path, &storage, system_part);
free(path);
}
}
gfx_printf("\nDone!");
btn_wait();
return 0;
}