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hekate/bootloader/frontend/fe_emmc_tools.c

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/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 Rajko Stojadinovic
* Copyright (c) 2018-2022 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdlib.h>
#include <bdk.h>
#include "fe_emmc_tools.h"
#include "../config.h"
#include "../gfx/tui.h"
#include <libs/fatfs/ff.h>
#define NUM_SECTORS_PER_ITER 8192 // 4MB Cache.
#define OUT_FILENAME_SZ 128
#define SHA256_SZ 0x20
extern hekate_config h_cfg;
extern void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage);
#pragma GCC push_options
#pragma GCC optimize ("Os")
static int _dump_emmc_verify(sdmmc_storage_t *storage, u32 lba_curr, char *outFilename, emmc_part_t *part)
{
FIL fp;
u8 sparseShouldVerify = 4;
u32 prevPct = 200;
u32 sdFileSector = 0;
int res = 0;
u8 hashEm[SHA256_SZ];
u8 hashSd[SHA256_SZ];
if (f_open(&fp, outFilename, FA_READ) == FR_OK)
{
u32 totalSectorsVer = (u32)((u64)f_size(&fp) >> (u64)9);
u8 *bufEm = (u8 *)EMMC_BUF_ALIGNED;
u8 *bufSd = (u8 *)SDXC_BUF_ALIGNED;
u32 pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
tui_pbar(0, gfx_con.y, pct, 0xFF96FF00, 0xFF155500);
u32 num = 0;
while (totalSectorsVer > 0)
{
num = MIN(totalSectorsVer, NUM_SECTORS_PER_ITER);
// Check every time or every 4.
// Every 4 protects from fake sd, sector corruption and frequent I/O corruption.
// Full provides all that, plus protection from extremely rare I/O corruption.
if (!(sparseShouldVerify % 4))
{
if (!sdmmc_storage_read(storage, lba_curr, num, bufEm))
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFailed to read %d blocks (@LBA %08X),\nfrom eMMC!\n\nVerification failed..\n",
num, lba_curr);
f_close(&fp);
return 1;
}
f_lseek(&fp, (u64)sdFileSector << (u64)9);
if (f_read(&fp, bufSd, num << 9, NULL))
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFailed to read %d blocks (@LBA %08X),\nfrom sd card!\n\nVerification failed..\n", num, lba_curr);
f_close(&fp);
return 1;
}
se_calc_sha256_oneshot(hashEm, bufEm, num << 9);
se_calc_sha256_oneshot(hashSd, bufSd, num << 9);
res = memcmp(hashEm, hashSd, SE_SHA_256_SIZE / 2);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nSD and eMMC data (@LBA %08X),\ndo not match!\n\nVerification failed..\n", lba_curr);
f_close(&fp);
return 1;
}
}
pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
if (pct != prevPct)
{
tui_pbar(0, gfx_con.y, pct, 0xFF96FF00, 0xFF155500);
prevPct = pct;
}
lba_curr += num;
totalSectorsVer -= num;
sdFileSector += num;
sparseShouldVerify++;
if (btn_read_vol() == (BTN_VOL_UP | BTN_VOL_DOWN))
{
gfx_con.fntsz = 16;
WPRINTF("\n\nVerification was cancelled!");
gfx_con.fntsz = 8;
msleep(1000);
f_close(&fp);
return 0;
}
}
f_close(&fp);
tui_pbar(0, gfx_con.y, pct, 0xFFCCCCCC, 0xFF555555);
return 0;
}
else
{
gfx_con.fntsz = 16;
EPRINTF("\nFile not found or could not be loaded.\n\nVerification failed..\n");
return 1;
}
}
static void _update_filename(char *outFilename, u32 sdPathLen, u32 numSplitParts, u32 currPartIdx)
{
if (numSplitParts >= 10 && currPartIdx < 10)
{
outFilename[sdPathLen] = '0';
itoa(currPartIdx, &outFilename[sdPathLen + 1], 10);
}
else
itoa(currPartIdx, &outFilename[sdPathLen], 10);
}
static int _dump_emmc_part(char *sd_path, sdmmc_storage_t *storage, emmc_part_t *part)
{
static const u32 FAT32_FILESIZE_LIMIT = 0xFFFFFFFF;
static const u32 SECTORS_TO_MIB_COEFF = 11;
u32 multipartSplitSize = (1u << 31);
u32 totalSectors = part->lba_end - part->lba_start + 1;
u32 currPartIdx = 0;
u32 numSplitParts = 0;
u32 maxSplitParts = 0;
bool isSmallSdCard = false;
bool partialDumpInProgress = false;
int res = 0;
char *outFilename = sd_path;
u32 sdPathLen = strlen(sd_path);
FIL partialIdxFp;
char partialIdxFilename[12];
strcpy(partialIdxFilename, "partial.idx");
gfx_con.fntsz = 8;
gfx_printf("\nSD Card free space: %d MiB, Total backup size %d MiB\n\n",
sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF,
totalSectors >> SECTORS_TO_MIB_COEFF);
// 1GB parts for sd cards 8GB and less.
if ((sd_storage.csd.capacity >> (20 - sd_storage.csd.read_blkbits)) <= 8192)
multipartSplitSize = (1u << 30);
// Maximum parts fitting the free space available.
maxSplitParts = (sd_fs.free_clst * sd_fs.csize) / (multipartSplitSize / EMMC_BLOCKSIZE);
// Check if the USER partition or the RAW eMMC fits the sd card free space.
if (totalSectors > (sd_fs.free_clst * sd_fs.csize))
{
isSmallSdCard = true;
gfx_printf("%k\nSD card free space is smaller than backup size.%k\n", 0xFFFFBA00, 0xFFCCCCCC);
if (!maxSplitParts)
{
gfx_con.fntsz = 16;
EPRINTF("Not enough free space for Partial Backup.");
return 0;
}
}
// Check if we are continuing a previous raw eMMC or USER partition backup in progress.
if (f_open(&partialIdxFp, partialIdxFilename, FA_READ) == FR_OK && totalSectors > (FAT32_FILESIZE_LIMIT / EMMC_BLOCKSIZE))
{
gfx_printf("%kFound Partial Backup in progress. Continuing...%k\n\n", 0xFFAEFD14, 0xFFCCCCCC);
partialDumpInProgress = true;
// Force partial dumping, even if the card is larger.
isSmallSdCard = true;
f_read(&partialIdxFp, &currPartIdx, 4, NULL);
f_close(&partialIdxFp);
if (!maxSplitParts)
{
gfx_con.fntsz = 16;
EPRINTF("Not enough free space for Partial Backup.");
return 0;
}
// Increase maxSplitParts to accommodate previously backed up parts.
maxSplitParts += currPartIdx;
}
else if (isSmallSdCard)
gfx_printf("%kPartial Backup enabled (with %d MiB parts)...%k\n\n", 0xFFFFBA00, multipartSplitSize >> 20, 0xFFCCCCCC);
// Check if filesystem is FAT32 or the free space is smaller and backup in parts.
if (((sd_fs.fs_type != FS_EXFAT) && totalSectors > (FAT32_FILESIZE_LIMIT / EMMC_BLOCKSIZE)) || isSmallSdCard)
{
u32 multipartSplitSectors = multipartSplitSize / EMMC_BLOCKSIZE;
numSplitParts = (totalSectors + multipartSplitSectors - 1) / multipartSplitSectors;
outFilename[sdPathLen++] = '.';
// Continue from where we left, if Partial Backup in progress.
_update_filename(outFilename, sdPathLen, numSplitParts, partialDumpInProgress ? currPartIdx : 0);
}
FIL fp;
gfx_con_getpos(&gfx_con.savedx, &gfx_con.savedy);
if (!f_open(&fp, outFilename, FA_READ))
{
f_close(&fp);
gfx_con.fntsz = 16;
WPRINTF("An existing backup has been detected!");
WPRINTF("Press POWER to Continue.\nPress VOL to go to the menu.\n");
msleep(500);
if (!(btn_wait() & BTN_POWER))
return 0;
gfx_con.fntsz = 8;
gfx_clear_partial_grey(0x1B, gfx_con.savedy, 48);
}
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("Filename: %s\n\n", outFilename);
res = f_open(&fp, outFilename, FA_CREATE_ALWAYS | FA_WRITE);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("Error (%d) creating file %s.\n", res, outFilename);
return 0;
}
u8 *buf = (u8 *)MIXD_BUF_ALIGNED;
u32 lba_curr = part->lba_start;
u32 lbaStartPart = part->lba_start;
u32 bytesWritten = 0;
u32 prevPct = 200;
int retryCount = 0;
// Continue from where we left, if Partial Backup in progress.
if (partialDumpInProgress)
{
lba_curr += currPartIdx * (multipartSplitSize / EMMC_BLOCKSIZE);
totalSectors -= currPartIdx * (multipartSplitSize / EMMC_BLOCKSIZE);
lbaStartPart = lba_curr; // Update the start LBA for verification.
}
u64 totalSize = (u64)((u64)totalSectors << 9);
if (!isSmallSdCard && (sd_fs.fs_type == FS_EXFAT || totalSize <= FAT32_FILESIZE_LIMIT))
f_lseek(&fp, totalSize);
else
f_lseek(&fp, MIN(totalSize, multipartSplitSize));
f_lseek(&fp, 0);
u32 num = 0;
u32 pct = 0;
while (totalSectors > 0)
{
if (numSplitParts != 0 && bytesWritten >= multipartSplitSize)
{
f_close(&fp);
memset(&fp, 0, sizeof(fp));
currPartIdx++;
// Verify part.
if (_dump_emmc_verify(storage, lbaStartPart, outFilename, part))
{
EPRINTF("\nPress any key and try again...\n");
return 0;
}
_update_filename(outFilename, sdPathLen, numSplitParts, currPartIdx);
// Always create partial.idx before next part, in case a fatal error occurs.
if (isSmallSdCard)
{
// Create partial backup index file.
if (f_open(&partialIdxFp, partialIdxFilename, FA_CREATE_ALWAYS | FA_WRITE) == FR_OK)
{
f_write(&partialIdxFp, &currPartIdx, 4, NULL);
f_close(&partialIdxFp);
}
else
{
gfx_con.fntsz = 16;
EPRINTF("\nError creating partial.idx file.\n");
return 0;
}
// More parts to backup that do not currently fit the sd card free space or fatal error.
if (currPartIdx >= maxSplitParts)
{
gfx_puts("\n\n1. Press any key to unmount SD Card.\n\
2. Remove SD Card and move files to free space.\n\
Don\'t move the partial.idx file!\n\
3. Re-insert SD Card.\n\
4. Select the SAME option again to continue.\n");
gfx_con.fntsz = 16;
return 1;
}
}
// Create next part.
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("Filename: %s\n\n", outFilename);
lbaStartPart = lba_curr;
res = f_open(&fp, outFilename, FA_CREATE_ALWAYS | FA_WRITE);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("Error (%d) creating file %s.\n", res, outFilename);
return 0;
}
bytesWritten = 0;
totalSize = (u64)((u64)totalSectors << 9);
f_lseek(&fp, MIN(totalSize, multipartSplitSize));
f_lseek(&fp, 0);
}
retryCount = 0;
num = MIN(totalSectors, NUM_SECTORS_PER_ITER);
while (!sdmmc_storage_read(storage, lba_curr, num, buf))
{
EPRINTFARGS("Error reading %d blocks @ LBA %08X,\nfrom eMMC (try %d), retrying...",
num, lba_curr, ++retryCount);
msleep(150);
if (retryCount >= 3)
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFailed to read %d blocks @ LBA %08X\nfrom eMMC. Aborting..\n",
num, lba_curr);
EPRINTF("\nPress any key and try again...\n");
f_close(&fp);
f_unlink(outFilename);
return 0;
}
}
res = f_write(&fp, buf, EMMC_BLOCKSIZE * num, NULL);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFatal error (%d) when writing to SD Card", res);
EPRINTF("\nPress any key and try again...\n");
f_close(&fp);
f_unlink(outFilename);
return 0;
}
pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
if (pct != prevPct)
{
tui_pbar(0, gfx_con.y, pct, 0xFFCCCCCC, 0xFF555555);
prevPct = pct;
}
lba_curr += num;
totalSectors -= num;
bytesWritten += num * EMMC_BLOCKSIZE;
// Force a flush after a lot of data if not splitting.
if (numSplitParts == 0 && bytesWritten >= multipartSplitSize)
{
f_sync(&fp);
bytesWritten = 0;
}
// Check for cancellation combo.
if (btn_read_vol() == (BTN_VOL_UP | BTN_VOL_DOWN))
{
gfx_con.fntsz = 16;
WPRINTF("\n\nThe backup was cancelled!");
EPRINTF("\nPress any key...\n");
msleep(1500);
f_close(&fp);
f_unlink(outFilename);
return 0;
}
}
tui_pbar(0, gfx_con.y, 100, 0xFFCCCCCC, 0xFF555555);
// Backup operation ended successfully.
f_close(&fp);
// Verify last part or single file backup.
if (_dump_emmc_verify(storage, lbaStartPart, outFilename, part))
{
EPRINTF("\nPress any key and try again...\n");
return 0;
}
else
tui_pbar(0, gfx_con.y, 100, 0xFF96FF00, 0xFF155500);
gfx_con.fntsz = 16;
// Remove partial backup index file if no fatal errors occurred.
if (isSmallSdCard)
{
f_unlink(partialIdxFilename);
gfx_printf("%k\n\nYou can now join the files\nand get the complete eMMC RAW GPP backup.", 0xFFCCCCCC);
}
gfx_puts("\n\n");
return 1;
}
typedef enum
{
PART_BOOT = BIT(0),
PART_SYSTEM = BIT(1),
PART_USER = BIT(2),
PART_RAW = BIT(3),
PART_GP_ALL = BIT(7)
} emmcPartType_t;
static void _dump_emmc_selected(emmcPartType_t dumpType)
{
int res = 0;
u32 timer = 0;
gfx_clear_partial_grey(0x1B, 0, 1256);
tui_sbar(true);
gfx_con_setpos(0, 0);
if (!sd_mount())
goto out;
gfx_puts("Checking for available free space...\n\n");
// Get SD Card free space for Partial Backup.
f_getfree("", &sd_fs.free_clst, NULL);
if (!emmc_initialize(false))
{
EPRINTF("Failed to init eMMC.");
goto out;
}
int i = 0;
char sdPath[OUT_FILENAME_SZ];
// Create Restore folders, if they do not exist.
emmcsn_path_impl(sdPath, "/restore", "", &emmc_storage);
emmcsn_path_impl(sdPath, "/restore/partitions", "", &emmc_storage);
timer = get_tmr_s();
if (dumpType & PART_BOOT)
{
const u32 BOOT_PART_SIZE = emmc_storage.ext_csd.boot_mult << 17;
emmc_part_t bootPart;
memset(&bootPart, 0, sizeof(bootPart));
bootPart.lba_start = 0;
bootPart.lba_end = (BOOT_PART_SIZE / EMMC_BLOCKSIZE) - 1;
for (i = 0; i < 2; i++)
{
strcpy(bootPart.name, "BOOT");
bootPart.name[4] = (u8)('0' + i);
bootPart.name[5] = 0;
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i,
bootPart.name, bootPart.lba_start, bootPart.lba_end, 0xFFCCCCCC);
sdmmc_storage_set_mmc_partition(&emmc_storage, i + 1);
emmcsn_path_impl(sdPath, "", bootPart.name, &emmc_storage);
res = _dump_emmc_part(sdPath, &emmc_storage, &bootPart);
}
}
if ((dumpType & PART_SYSTEM) || (dumpType & PART_USER) || (dumpType & PART_RAW))
{
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_GPP);
if ((dumpType & PART_SYSTEM) || (dumpType & PART_USER))
{
LIST_INIT(gpt);
emmc_gpt_parse(&gpt);
LIST_FOREACH_ENTRY(emmc_part_t, part, &gpt, link)
{
if ((dumpType & PART_USER) == 0 && !strcmp(part->name, "USER"))
continue;
if ((dumpType & PART_SYSTEM) == 0 && strcmp(part->name, "USER"))
continue;
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i++,
part->name, part->lba_start, part->lba_end, 0xFFCCCCCC);
emmcsn_path_impl(sdPath, "/partitions", part->name, &emmc_storage);
res = _dump_emmc_part(sdPath, &emmc_storage, part);
// If a part failed, don't continue.
if (!res)
break;
}
emmc_gpt_free(&gpt);
}
if (dumpType & PART_RAW)
{
// Get GP partition size dynamically.
const u32 RAW_AREA_NUM_SECTORS = emmc_storage.sec_cnt;
emmc_part_t rawPart;
memset(&rawPart, 0, sizeof(rawPart));
rawPart.lba_start = 0;
rawPart.lba_end = RAW_AREA_NUM_SECTORS - 1;
strcpy(rawPart.name, "rawnand.bin");
{
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i++,
rawPart.name, rawPart.lba_start, rawPart.lba_end, 0xFFCCCCCC);
emmcsn_path_impl(sdPath, "", rawPart.name, &emmc_storage);
res = _dump_emmc_part(sdPath, &emmc_storage, &rawPart);
}
}
}
gfx_putc('\n');
timer = get_tmr_s() - timer;
gfx_printf("Time taken: %dm %ds.\n", timer / 60, timer % 60);
sdmmc_storage_end(&emmc_storage);
if (res)
gfx_printf("\n%kFinished and verified!%k\nPress any key...\n", 0xFF96FF00, 0xFFCCCCCC);
out:
sd_end();
btn_wait();
}
void dump_emmc_system() { _dump_emmc_selected(PART_SYSTEM); }
void dump_emmc_user() { _dump_emmc_selected(PART_USER); }
void dump_emmc_boot() { _dump_emmc_selected(PART_BOOT); }
void dump_emmc_rawnand() { _dump_emmc_selected(PART_RAW); }
static int _restore_emmc_part(char *sd_path, sdmmc_storage_t *storage, emmc_part_t *part, bool allow_multi_part)
{
static const u32 SECTORS_TO_MIB_COEFF = 11;
u32 totalSectors = part->lba_end - part->lba_start + 1;
u32 currPartIdx = 0;
u32 numSplitParts = 0;
u32 lbaStartPart = part->lba_start;
int res = 0;
char *outFilename = sd_path;
u32 sdPathLen = strlen(sd_path);
u64 fileSize = 0;
u64 totalCheckFileSize = 0;
gfx_con.fntsz = 8;
FIL fp;
FILINFO fno;
gfx_con_getpos(&gfx_con.savedx, &gfx_con.savedy);
bool use_multipart = false;
if (allow_multi_part)
{
// Check to see if there is a combined file and if so then use that.
if (f_stat(outFilename, &fno))
{
// If not, check if there are partial files and the total size matches.
gfx_printf("No single file, checking for part files...\n");
outFilename[sdPathLen++] = '.';
// Stat total size of the part files.
while ((u32)((u64)totalCheckFileSize >> (u64)9) != totalSectors)
{
_update_filename(outFilename, sdPathLen, 99, numSplitParts);
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("\nFilename: %s\n", outFilename);
if (f_stat(outFilename, &fno))
{
WPRINTFARGS("Error (%d) file not found '%s'. Aborting...\n", res, outFilename);
return 0;
}
else
totalCheckFileSize += (u64)fno.fsize;
numSplitParts++;
}
gfx_printf("\n%X sectors total.\n", (u32)((u64)totalCheckFileSize >> (u64)9));
if ((u32)((u64)totalCheckFileSize >> (u64)9) != totalSectors)
{
gfx_con.fntsz = 16;
EPRINTF("Size of SD Card split backups does not match,\neMMC's selected part size.\n");
return 0;
}
else
{
use_multipart = true;
_update_filename(outFilename, sdPathLen, numSplitParts, 0);
}
}
}
res = f_open(&fp, outFilename, FA_READ);
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("\nFilename: %s\n", outFilename);
if (res)
{
if (res != FR_NO_FILE)
EPRINTFARGS("Error (%d) while opening backup. Continuing...\n", res);
else
WPRINTFARGS("Error (%d) file not found. Continuing...\n", res);
gfx_con.fntsz = 16;
return 0;
}
else if (!use_multipart && (((u32)((u64)f_size(&fp) >> (u64)9)) != totalSectors)) // Check total restore size vs emmc size.
{
gfx_con.fntsz = 16;
EPRINTF("Size of the SD Card backup does not match,\neMMC's selected part size.\n");
f_close(&fp);
return 0;
}
else
{
fileSize = (u64)f_size(&fp);
gfx_printf("\nTotal restore size: %d MiB.\n\n",
(u32)((use_multipart ? (u64)totalCheckFileSize : fileSize) >> (u64)9) >> SECTORS_TO_MIB_COEFF);
}
u8 *buf = (u8 *)MIXD_BUF_ALIGNED;
u32 lba_curr = part->lba_start;
u32 bytesWritten = 0;
u32 prevPct = 200;
int retryCount = 0;
u32 num = 0;
u32 pct = 0;
gfx_con_getpos(&gfx_con.savedx, &gfx_con.savedy);
while (totalSectors > 0)
{
// If we have more than one part, check the size for the split parts and make sure that the bytes written is not more than that.
if (numSplitParts != 0 && bytesWritten >= fileSize)
{
// If we have more bytes written then close the file pointer and increase the part index we are using
f_close(&fp);
memset(&fp, 0, sizeof(fp));
currPartIdx++;
// Verify part.
if (_dump_emmc_verify(storage, lbaStartPart, outFilename, part))
{
EPRINTF("\nPress any key and try again...\n");
return 0;
}
_update_filename(outFilename, sdPathLen, numSplitParts, currPartIdx);
// Read from next part.
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("Filename: %s\n\n", outFilename);
lbaStartPart = lba_curr;
// Try to open the next file part
res = f_open(&fp, outFilename, FA_READ);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("Error (%d) opening file %s.\n", res, outFilename);
return 0;
}
fileSize = (u64)f_size(&fp);
bytesWritten = 0;
}
retryCount = 0;
num = MIN(totalSectors, NUM_SECTORS_PER_ITER);
res = f_read(&fp, buf, EMMC_BLOCKSIZE * num, NULL);
if (res)
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFatal error (%d) when reading from SD Card", res);
EPRINTF("\nThis device may be in an inoperative state!\n\nPress any key and try again now...\n");
f_close(&fp);
return 0;
}
while (!sdmmc_storage_write(storage, lba_curr, num, buf))
{
EPRINTFARGS("Error writing %d blocks @ LBA %08X\nto eMMC (try %d), retrying...",
num, lba_curr, ++retryCount);
msleep(150);
if (retryCount >= 3)
{
gfx_con.fntsz = 16;
EPRINTFARGS("\nFailed to write %d blocks @ LBA %08X\nfrom eMMC. Aborting..\n",
num, lba_curr);
EPRINTF("\nThis device may be in an inoperative state!\n\nPress any key and try again...\n");
f_close(&fp);
return 0;
}
}
pct = (u64)((u64)(lba_curr - part->lba_start) * 100u) / (u64)(part->lba_end - part->lba_start);
if (pct != prevPct)
{
tui_pbar(0, gfx_con.y, pct, 0xFFCCCCCC, 0xFF555555);
prevPct = pct;
}
lba_curr += num;
totalSectors -= num;
bytesWritten += num * EMMC_BLOCKSIZE;
}
tui_pbar(0, gfx_con.y, 100, 0xFFCCCCCC, 0xFF555555);
// Restore operation ended successfully.
f_close(&fp);
// Verify restored data.
if (_dump_emmc_verify(storage, lbaStartPart, outFilename, part))
{
EPRINTF("\nPress any key and try again...\n");
return 0;
}
else
tui_pbar(0, gfx_con.y, 100, 0xFF96FF00, 0xFF155500);
gfx_con.fntsz = 16;
gfx_puts("\n\n");
return 1;
}
static void _restore_emmc_selected(emmcPartType_t restoreType)
{
int res = 0;
u32 timer = 0;
gfx_clear_partial_grey(0x1B, 0, 1256);
tui_sbar(true);
gfx_con_setpos(0, 0);
gfx_printf("%kThis may render the device inoperative!\n\n", 0xFFFFDD00);
gfx_printf("Are you really sure?\n\n%k", 0xFFCCCCCC);
if ((restoreType & PART_BOOT) || (restoreType & PART_GP_ALL))
{
gfx_puts("The mode you selected will only restore\nthe ");
if (restoreType & PART_BOOT)
gfx_puts("boot ");
gfx_puts("partitions that it can find.\n");
gfx_puts("If it is not found, it will be skipped\nand continue with the next.\n\n");
}
gfx_con_getpos(&gfx_con.savedx, &gfx_con.savedy);
u8 failsafe_wait = 10;
while (failsafe_wait > 0)
{
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_printf("%kWait... (%ds) %k", 0xFF888888, failsafe_wait, 0xFFCCCCCC);
msleep(1000);
failsafe_wait--;
}
gfx_con_setpos(gfx_con.savedx, gfx_con.savedy);
gfx_puts("Press POWER to Continue.\nPress VOL to go to the menu.\n\n\n");
u32 btn = btn_wait();
if (!(btn & BTN_POWER))
goto out;
if (!sd_mount())
goto out;
if (!emmc_initialize(false))
{
EPRINTF("Failed to init eMMC.");
goto out;
}
int i = 0;
char sdPath[OUT_FILENAME_SZ];
timer = get_tmr_s();
if (restoreType & PART_BOOT)
{
const u32 BOOT_PART_SIZE = emmc_storage.ext_csd.boot_mult << 17;
emmc_part_t bootPart;
memset(&bootPart, 0, sizeof(bootPart));
bootPart.lba_start = 0;
bootPart.lba_end = (BOOT_PART_SIZE / EMMC_BLOCKSIZE) - 1;
for (i = 0; i < 2; i++)
{
strcpy(bootPart.name, "BOOT");
bootPart.name[4] = (u8)('0' + i);
bootPart.name[5] = 0;
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i,
bootPart.name, bootPart.lba_start, bootPart.lba_end, 0xFFCCCCCC);
sdmmc_storage_set_mmc_partition(&emmc_storage, i + 1);
emmcsn_path_impl(sdPath, "/restore", bootPart.name, &emmc_storage);
res = _restore_emmc_part(sdPath, &emmc_storage, &bootPart, false);
}
}
if (restoreType & PART_GP_ALL)
{
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_GPP);
LIST_INIT(gpt);
emmc_gpt_parse(&gpt);
LIST_FOREACH_ENTRY(emmc_part_t, part, &gpt, link)
{
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i++,
part->name, part->lba_start, part->lba_end, 0xFFCCCCCC);
emmcsn_path_impl(sdPath, "/restore/partitions/", part->name, &emmc_storage);
res = _restore_emmc_part(sdPath, &emmc_storage, part, false);
}
emmc_gpt_free(&gpt);
}
if (restoreType & PART_RAW)
{
// Get GP partition size dynamically.
const u32 RAW_AREA_NUM_SECTORS = emmc_storage.sec_cnt;
emmc_part_t rawPart;
memset(&rawPart, 0, sizeof(rawPart));
rawPart.lba_start = 0;
rawPart.lba_end = RAW_AREA_NUM_SECTORS - 1;
strcpy(rawPart.name, "rawnand.bin");
{
gfx_printf("%k%02d: %s (%07X-%07X)%k\n", 0xFF00DDFF, i++,
rawPart.name, rawPart.lba_start, rawPart.lba_end, 0xFFCCCCCC);
emmcsn_path_impl(sdPath, "/restore", rawPart.name, &emmc_storage);
res = _restore_emmc_part(sdPath, &emmc_storage, &rawPart, true);
}
}
gfx_putc('\n');
timer = get_tmr_s() - timer;
gfx_printf("Time taken: %dm %ds.\n", timer / 60, timer % 60);
sdmmc_storage_end(&emmc_storage);
if (res)
gfx_printf("\n%kFinished and verified!%k\nPress any key...\n", 0xFF96FF00, 0xFFCCCCCC);
out:
sd_end();
btn_wait();
}
void restore_emmc_boot() { _restore_emmc_selected(PART_BOOT); }
void restore_emmc_rawnand() { _restore_emmc_selected(PART_RAW); }
void restore_emmc_gpp_parts() { _restore_emmc_selected(PART_GP_ALL); }
#pragma GCC pop_options
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