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hos: Add backup bootloader support

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This commit is contained in:
CTCaer 2020-08-15 12:30:18 +03:00
parent cd76d5ac09
commit 78c4e6510d
3 changed files with 82 additions and 26 deletions
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26
bootloader/hos/hos.c
View File

@ -543,23 +543,41 @@ int hos_keygen(u8 *keyblob, u32 kb, tsec_ctxt_t *tsec_ctxt, launch_ctxt_t *hos_c
static int _read_emmc_pkg1(launch_ctxt_t *ctxt)
{
static const u32 BOOTLOADER_SIZE = 0x40000;
static const u32 BOOTLOADER_MAIN_OFFSET = 0x100000;
static const u32 BOOTLOADER_BACKUP_OFFSET = 0x140000;
static const u32 HOS_KEYBLOBS_OFFSET = 0x180000;
u32 bootloader_offset = BOOTLOADER_MAIN_OFFSET;
ctxt->pkg1 = (void *)malloc(BOOTLOADER_SIZE);
try_load:
// Read package1.
ctxt->pkg1 = (void *)malloc(0x40000);
emummc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
emummc_storage_read(&emmc_storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, ctxt->pkg1);
emummc_storage_read(&emmc_storage, bootloader_offset / NX_EMMC_BLOCKSIZE, BOOTLOADER_SIZE / NX_EMMC_BLOCKSIZE, ctxt->pkg1);
ctxt->pkg1_id = pkg1_identify(ctxt->pkg1);
if (!ctxt->pkg1_id)
{
_hos_crit_error("Unknown pkg1 version.");
EHPRINTFARGS("HOS version not supported!%s",
EPRINTFARGS("HOS version not supported!%s",
(emu_cfg.enabled && !h_cfg.emummc_force_disable) ? "\nOr emuMMC corrupt!" : "");
// Try backup bootloader.
if (bootloader_offset != BOOTLOADER_BACKUP_OFFSET)
{
EPRINTF("Trying backup bootloader...");
bootloader_offset = BOOTLOADER_BACKUP_OFFSET;
goto try_load;
}
return 0;
}
gfx_printf("Identified pkg1 and mkey %d\n\n", ctxt->pkg1_id->kb);
// Read the correct keyblob.
ctxt->keyblob = (u8 *)calloc(NX_EMMC_BLOCKSIZE, 1);
emummc_storage_read(&emmc_storage, 0x180000 / NX_EMMC_BLOCKSIZE + ctxt->pkg1_id->kb, 1, ctxt->keyblob);
emummc_storage_read(&emmc_storage, HOS_KEYBLOBS_OFFSET / NX_EMMC_BLOCKSIZE + ctxt->pkg1_id->kb, 1, ctxt->keyblob);
return 1;
}

71
nyx/nyx_gui/frontend/gui_info.c
View File

@ -264,6 +264,7 @@ static lv_res_t _create_mbox_cal0(lv_obj_t *btn)
lv_mbox_set_text(mbox, "#C7EA46 CAL0 Info#");
char *txt_buf = (char *)malloc(0x4000);
txt_buf[0] = 0;
lv_obj_t * lb_desc = lv_label_create(mbox, NULL);
lv_label_set_long_mode(lb_desc, LV_LABEL_LONG_BREAK);
@ -271,24 +272,39 @@ static lv_res_t _create_mbox_cal0(lv_obj_t *btn)
lv_label_set_style(lb_desc, &monospace_text);
lv_obj_set_width(lb_desc, LV_HOR_RES / 9 * 3);
sd_mount();
// Read package1.
static const u32 BOOTLOADER_SIZE = 0x40000;
static const u32 BOOTLOADER_MAIN_OFFSET = 0x100000;
static const u32 BOOTLOADER_BACKUP_OFFSET = 0x140000;
static const u32 HOS_KEYBLOBS_OFFSET = 0x180000;
u8 kb = 0;
char *build_date = malloc(32);
u8 *pkg1 = (u8 *)malloc(0x40000);
u32 bootloader_offset = BOOTLOADER_MAIN_OFFSET;
u8 *pkg1 = (u8 *)malloc(BOOTLOADER_SIZE);
sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400);
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
sdmmc_storage_read(&emmc_storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
try_load:
sdmmc_storage_read(&emmc_storage, bootloader_offset / NX_EMMC_BLOCKSIZE, BOOTLOADER_SIZE / NX_EMMC_BLOCKSIZE, pkg1);
char *build_date = malloc(32);
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1, build_date);
s_printf(txt_buf, "#00DDFF Found pkg1 ('%s')#\n", build_date);
s_printf(txt_buf + strlen(txt_buf), "#00DDFF Found pkg1 ('%s')#\n", build_date);
free(build_date);
sd_mount();
if (!pkg1_id)
{
strcat(txt_buf, "#FFDD00 Unknown pkg1 version for reading#\n#FFDD00 TSEC firmware!#");
strcat(txt_buf, "#FFDD00 Unknown pkg1 version for reading#\n#FFDD00 TSEC firmware!#\n");
// Try backup bootloader.
if (bootloader_offset != BOOTLOADER_BACKUP_OFFSET)
{
strcat(txt_buf, "Trying backup bootloader...\n");
bootloader_offset = BOOTLOADER_BACKUP_OFFSET;
goto try_load;
}
lv_label_set_text(lb_desc, txt_buf);
goto out;
@ -328,7 +344,7 @@ static lv_res_t _create_mbox_cal0(lv_obj_t *btn)
// Read the correct keyblob.
u8 *keyblob = (u8 *)calloc(NX_EMMC_BLOCKSIZE, 1);
sdmmc_storage_read(&emmc_storage, 0x180000 / NX_EMMC_BLOCKSIZE + kb, 1, keyblob);
sdmmc_storage_read(&emmc_storage, HOS_KEYBLOBS_OFFSET / NX_EMMC_BLOCKSIZE + kb, 1, keyblob);
// Generate BIS keys
hos_bis_keygen(keyblob, kb, &tsec_ctxt);
@ -848,23 +864,40 @@ static lv_res_t _create_window_tsec_keys_status(lv_obj_t *btn)
lv_label_set_recolor(lb_desc, true);
lv_label_set_style(lb_desc, &monospace_text);
// Read package1.
char *build_date = malloc(32);
u8 *pkg1 = (u8 *)malloc(0x40000);
sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400);
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
sdmmc_storage_read(&emmc_storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
sdmmc_storage_end(&emmc_storage);
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1, build_date);
char *txt_buf = (char *)malloc(0x1000);
char *txt_buf2 = (char *)malloc(0x1000);
s_printf(txt_buf, "#00DDFF Found pkg1 ('%s')#\n", build_date);
txt_buf[0] = 0;
// Read package1.
static const u32 BOOTLOADER_SIZE = 0x40000;
static const u32 BOOTLOADER_MAIN_OFFSET = 0x100000;
static const u32 BOOTLOADER_BACKUP_OFFSET = 0x140000;
u8 *pkg1 = (u8 *)malloc(0x40000);
u32 bootloader_offset = BOOTLOADER_MAIN_OFFSET;
try_load:
sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400);
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
sdmmc_storage_read(&emmc_storage, bootloader_offset / NX_EMMC_BLOCKSIZE, BOOTLOADER_SIZE / NX_EMMC_BLOCKSIZE, pkg1);
sdmmc_storage_end(&emmc_storage);
char *build_date = malloc(32);
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1, build_date);
s_printf(txt_buf + strlen(txt_buf), "#00DDFF Found pkg1 ('%s')#\n", build_date);
free(build_date);
if (!pkg1_id)
{
strcat(txt_buf, "#FFDD00 Unknown pkg1 version for reading#\n#FFDD00 TSEC firmware!#");
strcat(txt_buf, "#FFDD00 Unknown pkg1 version for reading#\n#FFDD00 TSEC firmware!#\n");
// Try backup bootloader.
if (bootloader_offset != BOOTLOADER_BACKUP_OFFSET)
{
strcat(txt_buf, "Trying backup bootloader...\n");
bootloader_offset = BOOTLOADER_BACKUP_OFFSET;
goto try_load;
}
lv_label_set_text(lb_desc, txt_buf);
lv_obj_set_width(lb_desc, lv_obj_get_width(desc));

11
nyx/nyx_gui/frontend/gui_tools.c
View File

@ -1105,8 +1105,13 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
sdmmc_storage_set_mmc_partition(&storage, EMMC_BOOT0);
// Read package1.
static const u32 BOOTLOADER_SIZE = 0x40000;
static const u32 BOOTLOADER_MAIN_OFFSET = 0x100000;
static const u32 HOS_KEYBLOBS_OFFSET = 0x180000;
char *build_date = malloc(32);
sdmmc_storage_read(&storage, 0x100000 / NX_EMMC_BLOCKSIZE, 0x40000 / NX_EMMC_BLOCKSIZE, pkg1);
sdmmc_storage_read(&storage, BOOTLOADER_MAIN_OFFSET / NX_EMMC_BLOCKSIZE, BOOTLOADER_SIZE / NX_EMMC_BLOCKSIZE, pkg1);
const pkg1_id_t *pkg1_id = pkg1_identify(pkg1, build_date);
s_printf(txt_buf, "#00DDFF Found pkg1 ('%s')#\n\n", build_date);
@ -1122,7 +1127,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
manual_system_maintenance(true);
emmcsn_path_impl(path, "/pkg1", "pkg1_enc.bin", &storage);
if (sd_save_to_file(pkg1, 0x40000, path))
if (sd_save_to_file(pkg1, BOOTLOADER_SIZE, path))
goto out_free;
strcat(txt_buf, "\nEncrypted pkg1 dumped to pkg1_enc.bin");
@ -1167,7 +1172,7 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
// Read keyblob.
u8 *keyblob = (u8 *)calloc(NX_EMMC_BLOCKSIZE, 1);
sdmmc_storage_read(&storage, 0x180000 / NX_EMMC_BLOCKSIZE + kb, 1, keyblob);
sdmmc_storage_read(&storage, HOS_KEYBLOBS_OFFSET / NX_EMMC_BLOCKSIZE + kb, 1, keyblob);
// Decrypt.
hos_keygen(keyblob, kb, &tsec_ctxt);