mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-09 21:51:48 +00:00
84 lines
No EOL
2.3 KiB
C
84 lines
No EOL
2.3 KiB
C
#include "emmcfile.h"
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#include "../gfx/gfx.h"
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#include "emummc.h"
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#include "mountmanager.h"
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#include <libs/fatfs/ff.h>
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#include "nx_emmc.h"
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#include <mem/heap.h>
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#include "../err.h"
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#include "../tegraexplorer/tconf.h"
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#include "../gfx/gfxutils.h"
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#include "../hid/hid.h"
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#include <storage/nx_sd.h>
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#include <string.h>
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// Uses default storage in nx_emmc.c
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// Expects the correct mmc & partition to be set
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ErrCode_t EmmcDumpToFile(const char *path, u32 lba_start, u32 lba_end){
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FIL fp;
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u32 curLba = lba_start;
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u32 totalSectors = lba_end - lba_start + 1;
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int res = f_open(&fp, path, FA_CREATE_ALWAYS | FA_WRITE);
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if (res){
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return newErrCode(res);
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}
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ErrCode_t err = newErrCode(0);
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u8 *buff = malloc(TConf.FSBuffSize);
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u32 x, y;
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gfx_con_getpos(&x, &y);
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while (totalSectors > 0){
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u32 num = MIN(totalSectors, TConf.FSBuffSize / NX_EMMC_BLOCKSIZE);
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if (!emummc_storage_read(&emmc_storage, curLba, num, buff)){
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err = newErrCode(TE_ERR_EMMC_READ_FAIL);
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break;
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}
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if ((res = f_write(&fp, buff, num * NX_EMMC_BLOCKSIZE, NULL))){
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err = newErrCode(res);
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break;
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}
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curLba += num;
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totalSectors -= num;
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u32 percent = ((curLba - lba_start) * 100) / ((lba_end - lba_start + 1));
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gfx_printf("[%3d%%]", percent);
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gfx_con_setpos(x, y);
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}
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f_close(&fp);
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free(buff);
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return err;
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}
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ErrCode_t DumpEmmcPart(const char *path, const char *part){
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const u32 BOOT_PART_SIZE = emmc_storage.ext_csd.boot_mult << 17;
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if (!sd_mount())
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return newErrCode(TE_ERR_NO_SD);
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// maybe check for existing file here
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if (!memcmp(part, "BOOT0", 5)){
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emummc_storage_set_mmc_partition(&emmc_storage, 1);
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return EmmcDumpToFile(path, 0, (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1);
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}
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else if (!memcmp(part, "BOOT1", 5)){
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emummc_storage_set_mmc_partition(&emmc_storage, 2);
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return EmmcDumpToFile(path, 0, (BOOT_PART_SIZE / NX_EMMC_BLOCKSIZE) - 1);
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}
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else {
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emummc_storage_set_mmc_partition(&emmc_storage, 0);
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emmc_part_t *system_part = nx_emmc_part_find(GetCurGPT(), part);
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if (!system_part)
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return newErrCode(TE_ERR_PARTITION_NOT_FOUND);
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return EmmcDumpToFile(path, system_part->lba_start, system_part->lba_end);
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}
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} |