mirror of
https://github.com/CTCaer/hekate.git
synced 2024-12-24 12:14:11 +00:00
nyx: Add emuMMC partition backup
For now it will automatically dump the first found and the size will be based on its GPT.
This commit is contained in:
CTCaer
parent
448cc49cff
commit
5f6bf332d3
@ -47,7 +47,7 @@ extern nyx_config n_cfg;
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extern void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage);
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static void get_valid_partition(u32 *sector_start, u32 *sector_size, u32 *part_idx, bool backup)
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static void _get_valid_partition(u32 *sector_start, u32 *sector_size, u32 *part_idx, bool backup)
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{
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sd_mount();
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mbr_t *mbr = (mbr_t *)calloc(sizeof(mbr_t), 1);
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@ -62,8 +62,29 @@ static void get_valid_partition(u32 *sector_start, u32 *sector_size, u32 *part_i
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*sector_start = mbr->partitions[i].start_sct;
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u8 type = mbr->partitions[i].type;
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if ((curr_part_size >= *sector_size) && *sector_start && type != 0x83 && (!backup || type == 0xE0))
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break;
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{
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if (backup)
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{
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u8 gpt_check[512] = { 0 };
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sdmmc_storage_read(&sd_storage, *sector_start + 0xC001, 1, gpt_check);
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if (!memcmp(gpt_check, "EFI PART", 8))
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{
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*sector_size = curr_part_size;
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*sector_start = *sector_start + 0x8000;
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break;
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}
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sdmmc_storage_read(&sd_storage, *sector_start + 0x4001, 1, gpt_check);
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if (!memcmp(gpt_check, "EFI PART", 8))
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{
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*sector_size = curr_part_size;
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break;
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}
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}
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else
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break;
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}
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}
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if (i < 4)
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*part_idx = i;
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else
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@ -71,34 +92,24 @@ static void get_valid_partition(u32 *sector_start, u32 *sector_size, u32 *part_i
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*sector_start = 0;
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*sector_size = 0;
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*part_idx = 0;
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goto out;
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}
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if (!backup)
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*sector_start = *sector_start + 0x8000;
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else
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{
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*sector_size = curr_part_size;
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sdmmc_storage_read(&sd_storage, *sector_start + 0xC001, 1, mbr);
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if (!memcmp(mbr, "EFI PART", 8))
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{
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*sector_start = *sector_start + 0x8000;
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goto out;
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}
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sdmmc_storage_read(&sd_storage, *sector_start + 0x4001, 1, mbr);
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if (!memcmp(mbr, "EFI PART", 8))
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goto out;
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sdmmc_storage_read(&sd_storage, *sector_start + 0x4003, 1, mbr);
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if (!memcmp(mbr, "EFI PART", 8))
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{
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*sector_start = *sector_start + 2;
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goto out;
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}
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}
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out:
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free(mbr);
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if (backup && *part_idx && *sector_size)
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{
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gpt_t *gpt = (gpt_t *)calloc(sizeof(gpt_t), 1);
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sdmmc_storage_read(&sd_storage, *sector_start + 0x4001, 1, gpt);
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u32 new_size = gpt->header.alt_lba + 1;
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if (*sector_size > new_size)
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*sector_size = new_size;
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else
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*sector_size = 0;
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free(gpt);
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}
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else if (!backup && *part_idx)
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*sector_start = *sector_start + 0x8000;
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}
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static lv_obj_t *create_mbox_text(char *text, bool button_ok)
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@ -333,7 +344,7 @@ static int _dump_emmc_verify(emmc_tool_gui_t *gui, sdmmc_storage_t *storage, u32
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bool partial_sd_full_unmount = false;
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static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_storage_t *storage, emmc_part_t *part)
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static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, int active_part, sdmmc_storage_t *storage, emmc_part_t *part)
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{
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const u32 FAT32_FILESIZE_LIMIT = 0xFFFFFFFF;
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const u32 SECTORS_TO_MIB_COEFF = 11;
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@ -351,10 +362,30 @@ static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_storage_t
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char *outFilename = sd_path;
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u32 sdPathLen = strlen(sd_path);
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u32 sector_start = 0, part_idx = 0;
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u32 sector_size = totalSectors;
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u32 sd_sector_off = 0;
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FIL partialIdxFp;
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char partialIdxFilename[12];
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strcpy(partialIdxFilename, "partial.idx");
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if (gui->raw_emummc)
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{
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_get_valid_partition(§or_start, §or_size, &part_idx, true);
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if (!part_idx || !sector_size)
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{
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s_printf(gui->txt_buf, "#FFDD00 Failed to find a partition...#\n");
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lv_label_ins_text(gui->label_log, LV_LABEL_POS_LAST, gui->txt_buf);
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manual_system_maintenance(true);
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return 0;
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}
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sd_sector_off = sector_start + (0x2000 * active_part);
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if (active_part == 2)
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totalSectors = sector_size;
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}
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s_printf(gui->txt_buf, "#96FF00 SD Card free space:# %d MiB\n#96FF00 Total backup size:# %d MiB\n\n",
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sd_fs.free_clst * sd_fs.csize >> SECTORS_TO_MIB_COEFF,
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totalSectors >> SECTORS_TO_MIB_COEFF);
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@ -505,7 +536,7 @@ static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_storage_t
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memset(&fp, 0, sizeof(fp));
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currPartIdx++;
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if (n_cfg.verification)
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if (n_cfg.verification && !gui->raw_emummc)
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{
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// Verify part.
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if (_dump_emmc_verify(gui, storage, lbaStartPart, outFilename, part))
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@ -583,7 +614,14 @@ static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_storage_t
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retryCount = 0;
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num = MIN(totalSectors, NUM_SECTORS_PER_ITER);
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while (!sdmmc_storage_read(storage, lba_curr, num, buf))
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int res_read;
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if (!gui->raw_emummc)
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res_read = !sdmmc_storage_read(storage, lba_curr, num, buf);
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else
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res_read = !sdmmc_storage_read(&sd_storage, lba_curr + sd_sector_off, num, buf);
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while (res_read)
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{
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s_printf(gui->txt_buf,
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"\n#FFDD00 Error reading %d blocks @ LBA %08X,#\n"
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@ -677,7 +715,7 @@ static int _dump_emmc_part(emmc_tool_gui_t *gui, char *sd_path, sdmmc_storage_t
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f_close(&fp);
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free(clmt);
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if (n_cfg.verification)
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if (n_cfg.verification && !gui->raw_emummc)
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{
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// Verify last part or single file backup.
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if (_dump_emmc_verify(gui, storage, lbaStartPart, outFilename, part))
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@ -773,7 +811,7 @@ void dump_emmc_selected(emmcPartType_t dumpType, emmc_tool_gui_t *gui)
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sdmmc_storage_set_mmc_partition(&storage, i + 1);
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emmcsn_path_impl(sdPath, "", bootPart.name, &storage);
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res = _dump_emmc_part(gui, sdPath, &storage, &bootPart);
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res = _dump_emmc_part(gui, sdPath, i, &storage, &bootPart);
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if (!res)
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s_printf(txt_buf, "#FFDD00 Failed!#\n");
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@ -813,7 +851,7 @@ void dump_emmc_selected(emmcPartType_t dumpType, emmc_tool_gui_t *gui)
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i++;
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emmcsn_path_impl(sdPath, "/partitions", part->name, &storage);
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res = _dump_emmc_part(gui, sdPath, &storage, part);
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res = _dump_emmc_part(gui, sdPath, 0, &storage, part);
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// If a part failed, don't continue.
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if (!res)
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{
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@ -851,7 +889,7 @@ void dump_emmc_selected(emmcPartType_t dumpType, emmc_tool_gui_t *gui)
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i++;
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emmcsn_path_impl(sdPath, "", rawPart.name, &storage);
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res = _dump_emmc_part(gui, sdPath, &storage, &rawPart);
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res = _dump_emmc_part(gui, sdPath, 2, &storage, &rawPart);
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if (!res)
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s_printf(txt_buf, "#FFDD00 Failed!#\n");
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@ -867,7 +905,7 @@ void dump_emmc_selected(emmcPartType_t dumpType, emmc_tool_gui_t *gui)
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timer = get_tmr_s() - timer;
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sdmmc_storage_end(&storage);
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if (res && n_cfg.verification)
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if (res && n_cfg.verification && !gui->raw_emummc)
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s_printf(txt_buf, "Time taken: %dm %ds.\n#96FF00 Finished and verified!#", timer / 60, timer % 60);
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else if (res)
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s_printf(txt_buf, "Time taken: %dm %ds.\nFinished!", timer / 60, timer % 60);
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