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hekate/bootloader/main.c

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/*
* Copyright (c) 2018 naehrwert
*
* Copyright (c) 2018-2021 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 <memory_map.h>
#include "config.h"
#include <display/di.h>
#include <gfx_utils.h>
#include "gfx/logos.h"
#include "gfx/tui.h"
#include "hos/hos.h"
#include "hos/secmon_exo.h"
#include <ianos/ianos.h>
#include <libs/compr/blz.h>
#include <libs/fatfs/ff.h>
#include <mem/heap.h>
#include <mem/minerva.h>
#include <mem/sdram.h>
#include <power/bq24193.h>
#include <power/max17050.h>
#include <power/max77620.h>
#include <power/max7762x.h>
#include <rtc/max77620-rtc.h>
#include <soc/bpmp.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/i2c.h>
#include <soc/pmc.h>
#include <soc/t210.h>
#include <soc/uart.h>
#include "storage/emummc.h"
#include "storage/nx_emmc.h"
#include <storage/nx_sd.h>
#include <storage/sdmmc.h>
#include <utils/btn.h>
#include <utils/dirlist.h>
#include <utils/list.h>
#include <utils/util.h>
#include "frontend/fe_emmc_tools.h"
#include "frontend/fe_tools.h"
#include "frontend/fe_info.h"
hekate_config h_cfg;
boot_cfg_t __attribute__((section ("._boot_cfg"))) b_cfg;
const volatile ipl_ver_meta_t __attribute__((section ("._ipl_version"))) ipl_ver = {
.magic = BL_MAGIC,
.version = (BL_VER_MJ + '0') | ((BL_VER_MN + '0') << 8) | ((BL_VER_HF + '0') << 16),
.rsvd0 = 0,
.rsvd1 = 0
};
volatile nyx_storage_t *nyx_str = (nyx_storage_t *)NYX_STORAGE_ADDR;
void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage)
{
char emmcSN[9];
bool init_done = false;
memcpy(path, "backup", 7);
f_mkdir(path);
if (!storage)
{
if (!sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
memcpy(emmcSN, "00000000", 9);
else
{
init_done = true;
itoa(emmc_storage.cid.serial, emmcSN, 16);
}
}
else
itoa(storage->cid.serial, emmcSN, 16);
u32 sub_dir_len = strlen(sub_dir); // Can be a null-terminator.
u32 filename_len = strlen(filename); // Can be a null-terminator.
memcpy(path + strlen(path), "/", 2);
memcpy(path + strlen(path), emmcSN, 9);
f_mkdir(path);
memcpy(path + strlen(path), sub_dir, sub_dir_len + 1);
if (sub_dir_len)
f_mkdir(path);
memcpy(path + strlen(path), "/", 2);
memcpy(path + strlen(path), filename, filename_len + 1);
if (init_done)
sdmmc_storage_end(&emmc_storage);
}
void render_default_bootlogo()
{
gfx_clear_grey(0x1B);
u8 *BOOTLOGO = (void *)malloc(0x4000);
blz_uncompress_srcdest(BOOTLOGO_BLZ, SZ_BOOTLOGO_BLZ, BOOTLOGO, SZ_BOOTLOGO);
gfx_set_rect_grey(BOOTLOGO, X_BOOTLOGO, Y_BOOTLOGO, 326, 544);
free(BOOTLOGO);
}
void check_power_off_from_hos()
{
// Power off on AutoRCM wakeup from HOS shutdown. For modchips/dongles.
u8 hosWakeup = i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_IRQTOP);
if (hosWakeup & MAX77620_IRQ_TOP_RTC_MASK)
{
sd_end();
// Stop the alarm, in case we injected too fast.
max77620_rtc_stop_alarm();
if (h_cfg.autohosoff == 1)
{
render_default_bootlogo();
display_backlight_brightness(10, 5000);
display_backlight_brightness(100, 25000);
msleep(600);
display_backlight_brightness(0, 20000);
}
power_set_state(POWER_OFF_RESET);
}
}
// This is a safe and unused DRAM region for our payloads.
#define RELOC_META_OFF 0x7C
#define PATCHED_RELOC_SZ 0x94
#define PATCHED_RELOC_STACK 0x40007000
#define PATCHED_RELOC_ENTRY 0x40010000
#define EXT_PAYLOAD_ADDR 0xC0000000
#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
#define COREBOOT_END_ADDR 0xD0000000
#define COREBOOT_VER_OFF 0x41
#define CBFS_DRAM_EN_ADDR 0x4003e000
#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
static void *coreboot_addr;
void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
{
memcpy((u8 *)payload_src, (u8 *)IPL_LOAD_ADDR, PATCHED_RELOC_SZ);
volatile reloc_meta_t *relocator = (reloc_meta_t *)(payload_src + RELOC_META_OFF);
relocator->start = payload_dst - ALIGN(PATCHED_RELOC_SZ, 0x10);
relocator->stack = PATCHED_RELOC_STACK;
relocator->end = payload_dst + payload_size;
relocator->ep = payload_dst;
if (payload_size == 0x7000)
{
memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), coreboot_addr, 0x7000); //Bootblock
*(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC;
}
}
bool is_ipl_updated(void *buf, char *path, bool force)
{
ipl_ver_meta_t *update_ft = (ipl_ver_meta_t *)(buf + PATCHED_RELOC_SZ + sizeof(boot_cfg_t));
bool magic_valid = update_ft->magic == ipl_ver.magic;
bool force_update = force && !magic_valid;
bool is_valid_old = magic_valid && (byte_swap_32(update_ft->version) < byte_swap_32(ipl_ver.version));
// Check if newer version.
if (!force && magic_valid)
if (byte_swap_32(update_ft->version) > byte_swap_32(ipl_ver.version))
return false;
// Update if old or broken.
if (force_update || is_valid_old)
{
FIL fp;
volatile reloc_meta_t *reloc = (reloc_meta_t *)(IPL_LOAD_ADDR + RELOC_META_OFF);
boot_cfg_t *tmp_cfg = malloc(sizeof(boot_cfg_t));
memset(tmp_cfg, 0, sizeof(boot_cfg_t));
f_open(&fp, path, FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fp, (u8 *)reloc->start, reloc->end - reloc->start, NULL);
// Write needed tag in case injected ipl uses old versioning.
f_write(&fp, "ICTC49", 6, NULL);
// Reset boot storage configuration.
f_lseek(&fp, PATCHED_RELOC_SZ);
f_write(&fp, tmp_cfg, sizeof(boot_cfg_t), NULL);
f_close(&fp);
free(tmp_cfg);
}
return true;
}
int launch_payload(char *path, bool update, bool clear_screen)
{
if (clear_screen)
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (sd_mount())
{
FIL fp;
if (f_open(&fp, path, FA_READ))
{
gfx_con.mute = false;
EPRINTFARGS("Payload file is missing!\n(%s)", path);
goto out;
}
// Read and copy the payload to our chosen address
void *buf;
u32 size = f_size(&fp);
if (size < 0x30000)
buf = (void *)RCM_PAYLOAD_ADDR;
else
{
coreboot_addr = (void *)(COREBOOT_END_ADDR - size);
buf = coreboot_addr;
if (h_cfg.t210b01)
{
f_close(&fp);
gfx_con.mute = false;
EPRINTF("Coreboot not allowed on Mariko!");
goto out;
}
}
if (f_read(&fp, buf, size, NULL))
{
f_close(&fp);
goto out;
}
f_close(&fp);
if (update && is_ipl_updated(buf, path, false))
goto out;
sd_end();
if (size < 0x30000)
{
if (update)
memcpy((u8 *)(RCM_PAYLOAD_ADDR + PATCHED_RELOC_SZ), &b_cfg, sizeof(boot_cfg_t)); // Transfer boot cfg.
else
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
hw_reinit_workaround(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
}
else
{
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, 0x7000);
// Get coreboot seamless display magic.
u32 magic = 0;
char *magic_ptr = buf + COREBOOT_VER_OFF;
memcpy(&magic, magic_ptr + strlen(magic_ptr) - 4, 4);
hw_reinit_workaround(true, magic);
}
// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();
void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
void (*update_ptr)() = (void *)RCM_PAYLOAD_ADDR;
// Launch our payload.
if (!update)
(*ext_payload_ptr)();
else
{
// Set updated flag to skip check on launch.
EMC(EMC_SCRATCH0) |= EMC_HEKA_UPD;
(*update_ptr)();
}
}
out:
if (!update)
sd_end();
return 1;
}
void auto_launch_update()
{
// Check if already chainloaded update and clear flag. Otherwise check for updates.
if (EMC(EMC_SCRATCH0) & EMC_HEKA_UPD)
EMC(EMC_SCRATCH0) &= ~EMC_HEKA_UPD;
else if (sd_mount())
{
// Check if update.bin exists and is newer and launch it. Otherwise create it.
if (!f_stat("bootloader/update.bin", NULL))
launch_payload("bootloader/update.bin", true, false);
else
{
u8 *buf = calloc(0x200, 1);
is_ipl_updated(buf, "bootloader/update.bin", true);
free(buf);
}
}
}
void launch_tools()
{
u8 max_entries = 61;
char *filelist = NULL;
char *file_sec = NULL;
char *dir = NULL;
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * (max_entries + 3));
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (sd_mount())
{
dir = (char *)malloc(256);
memcpy(dir, "bootloader/payloads", 20);
filelist = dirlist(dir, NULL, false, false);
u32 i = 0;
if (filelist)
{
// Build configuration menu.
ments[0].type = MENT_BACK;
ments[0].caption = "Back";
ments[1].type = MENT_CHGLINE;
while (true)
{
if (i > max_entries || !filelist[i * 256])
break;
ments[i + 2].type = INI_CHOICE;
ments[i + 2].caption = &filelist[i * 256];
ments[i + 2].data = &filelist[i * 256];
i++;
}
}
if (i > 0)
{
memset(&ments[i + 2], 0, sizeof(ment_t));
menu_t menu = { ments, "Choose a file to launch", 0, 0 };
file_sec = (char *)tui_do_menu(&menu);
if (!file_sec)
{
free(ments);
free(dir);
free(filelist);
sd_end();
return;
}
}
else
EPRINTF("No payloads or modules found.");
free(ments);
free(filelist);
}
else
{
free(ments);
goto out;
}
if (file_sec)
{
memcpy(dir + strlen(dir), "/", 2);
memcpy(dir + strlen(dir), file_sec, strlen(file_sec) + 1);
launch_payload(dir, false, true);
EPRINTF("Failed to launch payload.");
}
out:
sd_end();
free(dir);
btn_wait();
}
void ini_list_launcher()
{
u8 max_entries = 61;
char *payload_path = NULL;
char *emummc_path = NULL;
ini_sec_t *cfg_sec = NULL;
LIST_INIT(ini_list_sections);
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (sd_mount())
{
if (ini_parse(&ini_list_sections, "bootloader/ini", true))
{
// Build configuration menu.
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * (max_entries + 3));
ments[0].type = MENT_BACK;
ments[0].caption = "Back";
ments[1].type = MENT_CHGLINE;
u32 i = 2;
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_list_sections, link)
{
if (!strcmp(ini_sec->name, "config") ||
ini_sec->type == INI_COMMENT || ini_sec->type == INI_NEWLINE)
continue;
ments[i].type = ini_sec->type;
ments[i].caption = ini_sec->name;
ments[i].data = ini_sec;
if (ini_sec->type == MENT_CAPTION)
ments[i].color = ini_sec->color;
i++;
if ((i - 1) > max_entries)
break;
}
if (i > 2)
{
memset(&ments[i], 0, sizeof(ment_t));
menu_t menu = {
ments, "Launch ini configurations", 0, 0
};
cfg_sec = (ini_sec_t *)tui_do_menu(&menu);
if (cfg_sec)
{
u32 non_cfg = 1;
for (u32 j = 2; j < i; j++)
{
if (ments[j].type != INI_CHOICE)
non_cfg++;
if (ments[j].data == cfg_sec)
{
b_cfg.boot_cfg = BOOT_CFG_FROM_LAUNCH;
b_cfg.autoboot = j - non_cfg;
b_cfg.autoboot_list = 1;
break;
}
}
}
payload_path = ini_check_payload_section(cfg_sec);
if (cfg_sec)
{
LIST_FOREACH_ENTRY(ini_kv_t, kv, &cfg_sec->kvs, link)
{
if (!strcmp("emummc_force_disable", kv->key))
h_cfg.emummc_force_disable = atoi(kv->val);
else if (!strcmp("emupath", kv->key))
emummc_path = kv->val;
}
}
if (emummc_path && !emummc_set_path(emummc_path))
{
EPRINTF("emupath is wrong!");
goto wrong_emupath;
}
if (!cfg_sec)
{
free(ments);
return;
}
}
else
EPRINTF("No extra configs found.");
free(ments);
}
else
EPRINTF("Could not find any ini\nin bootloader/ini!");
}
if (!cfg_sec)
goto out;
if (payload_path)
{
launch_payload(payload_path, false, true);
EPRINTF("Failed to launch payload.");
free(payload_path);
}
else if (!hos_launch(cfg_sec))
{
wrong_emupath:
EPRINTF("Failed to launch HOS.");
if (emummc_path)
{
sd_mount();
emummc_load_cfg();
}
}
out:
btn_wait();
}
void launch_firmware()
{
u8 max_entries = 61;
char *payload_path = NULL;
char *emummc_path = NULL;
ini_sec_t *cfg_sec = NULL;
LIST_INIT(ini_sections);
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
if (sd_mount())
{
if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
{
// Build configuration menu.
ment_t *ments = (ment_t *)malloc(sizeof(ment_t) * (max_entries + 6));
ments[0].type = MENT_BACK;
ments[0].caption = "Back";
ments[1].type = MENT_CHGLINE;
ments[2].type = MENT_HANDLER;
ments[2].caption = "Payloads...";
ments[2].handler = launch_tools;
ments[3].type = MENT_HANDLER;
ments[3].caption = "More configs...";
ments[3].handler = ini_list_launcher;
ments[4].type = MENT_CHGLINE;
u32 i = 5;
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
{
if (!strcmp(ini_sec->name, "config") ||
ini_sec->type == INI_COMMENT || ini_sec->type == INI_NEWLINE)
continue;
ments[i].type = ini_sec->type;
ments[i].caption = ini_sec->name;
ments[i].data = ini_sec;
if (ini_sec->type == MENT_CAPTION)
ments[i].color = ini_sec->color;
i++;
if ((i - 4) > max_entries)
break;
}
if (i < 6)
{
ments[i].type = MENT_CAPTION;
ments[i].caption = "No main configs found...";
ments[i].color = 0xFFFFDD00;
i++;
}
memset(&ments[i], 0, sizeof(ment_t));
menu_t menu = {
ments, "Launch configurations", 0, 0
};
cfg_sec = (ini_sec_t *)tui_do_menu(&menu);
if (cfg_sec)
{
u8 non_cfg = 4;
for (u32 j = 5; j < i; j++)
{
if (ments[j].type != INI_CHOICE)
non_cfg++;
if (ments[j].data == cfg_sec)
{
b_cfg.boot_cfg = BOOT_CFG_FROM_LAUNCH;
b_cfg.autoboot = j - non_cfg;
b_cfg.autoboot_list = 0;
break;
}
}
}
payload_path = ini_check_payload_section(cfg_sec);
if (cfg_sec)
{
LIST_FOREACH_ENTRY(ini_kv_t, kv, &cfg_sec->kvs, link)
{
if (!strcmp("emummc_force_disable", kv->key))
h_cfg.emummc_force_disable = atoi(kv->val);
if (!strcmp("emupath", kv->key))
emummc_path = kv->val;
}
}
if (emummc_path && !emummc_set_path(emummc_path))
{
EPRINTF("emupath is wrong!");
goto wrong_emupath;
}
if (!cfg_sec)
{
free(ments);
sd_end();
return;
}
free(ments);
}
else
EPRINTF("Could not open 'bootloader/hekate_ipl.ini'.\nMake sure it exists!");
}
if (!cfg_sec)
{
gfx_printf("\nPress any key...\n");
goto out;
}
if (payload_path)
{
launch_payload(payload_path, false, true);
EPRINTF("Failed to launch payload.");
free(payload_path);
}
else if (!hos_launch(cfg_sec))
{
wrong_emupath:
EPRINTF("Failed to launch HOS.");
if (emummc_path)
{
sd_mount();
emummc_load_cfg();
}
}
out:
sd_end();
h_cfg.emummc_force_disable = false;
btn_wait();
}
#define NYX_VER_OFF 0x9C
void nyx_load_run()
{
sd_mount();
u8 *nyx = sd_file_read("bootloader/sys/nyx.bin", NULL);
if (!nyx)
return;
sd_end();
render_default_bootlogo();
display_backlight_brightness(h_cfg.backlight, 1000);
// Check if Nyx version is old.
u32 expected_nyx_ver = ((NYX_VER_MJ + '0') << 24) | ((NYX_VER_MN + '0') << 16) | ((NYX_VER_HF + '0') << 8);
u32 nyx_ver = byte_swap_32(*(u32 *)(nyx + NYX_VER_OFF));
if (nyx_ver < expected_nyx_ver)
{
h_cfg.errors |= ERR_SYSOLD_NYX;
gfx_con_setpos(0, 0);
WPRINTF("Old Nyx GUI found! There will be dragons!\n");
WPRINTF("\nUpdate the bootloader folder!\n\n");
WPRINTF("Press any key...");
msleep(1000);
btn_wait();
}
// Set hekate errors.
nyx_str->info.errors = h_cfg.errors;
// Set Nyx mode.
nyx_str->cfg = 0;
if (b_cfg.extra_cfg)
{
if (b_cfg.extra_cfg & EXTRA_CFG_NYX_UMS)
{
b_cfg.extra_cfg &= ~(EXTRA_CFG_NYX_UMS);
nyx_str->cfg |= NYX_CFG_UMS;
nyx_str->cfg |= b_cfg.ums << 24;
}
}
// Set hekate version used to boot Nyx.
nyx_str->version = ipl_ver.version - 0x303030; // Convert ASCII to numbers.
// Set SD card initialization info.
nyx_str->info.magic = NYX_NEW_INFO;
nyx_str->info.sd_init = sd_get_mode();
u16 *sd_errors = sd_get_error_count();
for (u32 i = 0; i < 3; i++)
nyx_str->info.sd_errors[i] = sd_errors[i];
//memcpy((u8 *)nyx_str->irama, (void *)IRAM_BASE, 0x8000);
volatile reloc_meta_t *reloc = (reloc_meta_t *)(IPL_LOAD_ADDR + RELOC_META_OFF);
memcpy((u8 *)nyx_str->hekate, (u8 *)reloc->start, reloc->end - reloc->start);
void (*nyx_ptr)() = (void *)nyx;
bpmp_mmu_disable();
bpmp_clk_rate_set(BPMP_CLK_NORMAL);
minerva_periodic_training();
// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();
(*nyx_ptr)();
}
static ini_sec_t *get_ini_sec_from_id(ini_sec_t *ini_sec, char **bootlogoCustomEntry, char **emummc_path)
{
ini_sec_t *cfg_sec = NULL;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
{
if (!strcmp("id", kv->key))
{
if (b_cfg.id[0] && kv->val[0] && !strcmp(b_cfg.id, kv->val))
cfg_sec = ini_sec;
else
break;
}
if (!strcmp("logopath", kv->key))
*bootlogoCustomEntry = kv->val;
if (!strcmp("emummc_force_disable", kv->key))
h_cfg.emummc_force_disable = atoi(kv->val);
if (!strcmp("emupath", kv->key))
*emummc_path = kv->val;
}
if (!cfg_sec)
{
*bootlogoCustomEntry = NULL;
*emummc_path = NULL;
h_cfg.emummc_force_disable = false;
}
return cfg_sec;
}
static void _bootloader_corruption_protect()
{
FILINFO fno;
if (!f_stat("bootloader", &fno))
{
if (!h_cfg.bootprotect && (fno.fattrib & AM_ARC))
f_chmod("bootloader", 0, AM_ARC);
else if (h_cfg.bootprotect && !(fno.fattrib & AM_ARC))
f_chmod("bootloader", AM_ARC, AM_ARC);
}
}
static void _auto_launch_firmware()
{
struct _bmp_data
{
u32 size;
u32 size_x;
u32 size_y;
u32 offset;
u32 pos_x;
u32 pos_y;
};
char *emummc_path = NULL;
char *bootlogoCustomEntry = NULL;
ini_sec_t *cfg_sec = NULL;
auto_launch_update();
bool boot_from_id = (b_cfg.boot_cfg & BOOT_CFG_FROM_ID) && (b_cfg.boot_cfg & BOOT_CFG_AUTOBOOT_EN);
if (boot_from_id)
b_cfg.id[7] = 0;
if (!(b_cfg.boot_cfg & BOOT_CFG_FROM_LAUNCH))
gfx_con.mute = true;
LIST_INIT(ini_sections);
LIST_INIT(ini_list_sections);
if (sd_mount())
{
if (f_stat("bootloader/hekate_ipl.ini", NULL))
create_config_entry();
if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
{
u32 configEntry = 0;
u32 boot_entry_id = 0;
// Load configuration.
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
{
// Skip other ini entries for autoboot.
if (ini_sec->type == INI_CHOICE)
{
if (!strcmp(ini_sec->name, "config"))
{
configEntry = 1;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
{
if (!strcmp("autoboot", kv->key))
h_cfg.autoboot = atoi(kv->val);
else if (!strcmp("autoboot_list", kv->key))
h_cfg.autoboot_list = atoi(kv->val);
else if (!strcmp("bootwait", kv->key))
{
h_cfg.bootwait = atoi(kv->val);
/*
* Clamp value to default if it exceeds 20s to protect against corruption.
* Allow up to 20s though for use in cases where user needs lots of time.
* For example dock-only use and r2p with enough time to reach dock and cancel it.
*/
if (h_cfg.bootwait > 20)
h_cfg.bootwait = 3;
}
else if (!strcmp("backlight", kv->key))
h_cfg.backlight = atoi(kv->val);
else if (!strcmp("autohosoff", kv->key))
h_cfg.autohosoff = atoi(kv->val);
else if (!strcmp("autonogc", kv->key))
h_cfg.autonogc = atoi(kv->val);
else if (!strcmp("updater2p", kv->key))
h_cfg.updater2p = atoi(kv->val);
else if (!strcmp("bootprotect", kv->key))
h_cfg.bootprotect = atoi(kv->val);
}
boot_entry_id++;
// Override autoboot.
if (b_cfg.boot_cfg & BOOT_CFG_AUTOBOOT_EN)
{
h_cfg.autoboot = b_cfg.autoboot;
h_cfg.autoboot_list = b_cfg.autoboot_list;
}
// Apply bootloader protection against corruption.
_bootloader_corruption_protect();
continue;
}
if (boot_from_id)
cfg_sec = get_ini_sec_from_id(ini_sec, &bootlogoCustomEntry, &emummc_path);
else if (h_cfg.autoboot == boot_entry_id && configEntry)
{
cfg_sec = ini_sec;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &cfg_sec->kvs, link)
{
if (!strcmp("logopath", kv->key))
bootlogoCustomEntry = kv->val;
else if (!strcmp("emummc_force_disable", kv->key))
h_cfg.emummc_force_disable = atoi(kv->val);
else if (!strcmp("emupath", kv->key))
emummc_path = kv->val;
}
}
if (cfg_sec)
break;
boot_entry_id++;
}
}
if (h_cfg.autohosoff && !(b_cfg.boot_cfg & BOOT_CFG_AUTOBOOT_EN))
check_power_off_from_hos();
if (h_cfg.autoboot_list || (boot_from_id && !cfg_sec))
{
if (boot_from_id && cfg_sec)
goto skip_list;
cfg_sec = NULL;
boot_entry_id = 1;
bootlogoCustomEntry = NULL;
if (ini_parse(&ini_list_sections, "bootloader/ini", true))
{
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec_list, &ini_list_sections, link)
{
if (ini_sec_list->type == INI_CHOICE)
{
if (!strcmp(ini_sec_list->name, "config"))
continue;
if (boot_from_id)
cfg_sec = get_ini_sec_from_id(ini_sec_list, &bootlogoCustomEntry, &emummc_path);
else if (h_cfg.autoboot == boot_entry_id)
{
h_cfg.emummc_force_disable = false;
cfg_sec = ini_sec_list;
LIST_FOREACH_ENTRY(ini_kv_t, kv, &cfg_sec->kvs, link)
{
if (!strcmp("logopath", kv->key))
bootlogoCustomEntry = kv->val;
else if (!strcmp("emummc_force_disable", kv->key))
h_cfg.emummc_force_disable = atoi(kv->val);
else if (!strcmp("emupath", kv->key))
emummc_path = kv->val;
}
}
if (cfg_sec)
break;
boot_entry_id++;
}
}
}
}
skip_list:
// Add missing configuration entry.
if (!configEntry)
create_config_entry();
if (!cfg_sec)
goto out; // No configurations or auto boot is disabled.
}
else
goto out; // Can't load hekate_ipl.ini.
}
else
goto out;
u8 *bitmap = NULL;
struct _bmp_data bmpData;
bool bootlogoFound = false;
if (!(b_cfg.boot_cfg & BOOT_CFG_FROM_LAUNCH) && h_cfg.bootwait)
{
u32 fsize;
u8 *BOOTLOGO = NULL;
if (bootlogoCustomEntry) // Check if user set custom logo path at the boot entry.
bitmap = (u8 *)sd_file_read(bootlogoCustomEntry, &fsize);
if (!bitmap) // Custom entry bootlogo not found, trying default custom one.
bitmap = (u8 *)sd_file_read("bootloader/bootlogo.bmp", &fsize);
if (bitmap)
{
// Get values manually to avoid unaligned access.
bmpData.size = bitmap[2] | bitmap[3] << 8 |
bitmap[4] << 16 | bitmap[5] << 24;
bmpData.offset = bitmap[10] | bitmap[11] << 8 |
bitmap[12] << 16 | bitmap[13] << 24;
bmpData.size_x = bitmap[18] | bitmap[19] << 8 |
bitmap[20] << 16 | bitmap[21] << 24;
bmpData.size_y = bitmap[22] | bitmap[23] << 8 |
bitmap[24] << 16 | bitmap[25] << 24;
// Sanity check.
if (bitmap[0] == 'B' &&
bitmap[1] == 'M' &&
bitmap[28] == 32 && // Only 32 bit BMPs allowed.
bmpData.size_x <= 720 &&
bmpData.size_y <= 1280)
{
if (bmpData.size <= fsize && ((bmpData.size - bmpData.offset) < 0x400000))
{
// Avoid unaligned access from BM 2-byte MAGIC and remove header.
BOOTLOGO = (u8 *)malloc(0x400000);
memcpy(BOOTLOGO, bitmap + bmpData.offset, bmpData.size - bmpData.offset);
free(bitmap);
// Center logo if res < 720x1280.
bmpData.pos_x = (720 - bmpData.size_x) >> 1;
bmpData.pos_y = (1280 - bmpData.size_y) >> 1;
// Get background color from 1st pixel.
if (bmpData.size_x < 720 || bmpData.size_y < 1280)
gfx_clear_color(*(u32 *)BOOTLOGO);
bootlogoFound = true;
}
}
else
free(bitmap);
}
// Render boot logo.
if (bootlogoFound)
{
gfx_render_bmp_argb((u32 *)BOOTLOGO, bmpData.size_x, bmpData.size_y,
bmpData.pos_x, bmpData.pos_y);
free(BOOTLOGO);
}
else
render_default_bootlogo();
}
if (b_cfg.boot_cfg & BOOT_CFG_FROM_LAUNCH)
display_backlight_brightness(h_cfg.backlight, 0);
else if (h_cfg.bootwait)
display_backlight_brightness(h_cfg.backlight, 1000);
// Wait before booting. If VOL- is pressed go into bootloader menu.
if (!(b_cfg.boot_cfg & BOOT_CFG_FROM_LAUNCH))
{
u32 btn = btn_wait_timeout_single(h_cfg.bootwait * 1000, BTN_VOL_DOWN | BTN_SINGLE);
if (btn & BTN_VOL_DOWN)
goto out;
}
char *payload_path = ini_check_payload_section(cfg_sec);
if (payload_path)
{
launch_payload(payload_path, false, false);
free(payload_path);
goto payload_error;
}
else
{
if (b_cfg.boot_cfg & BOOT_CFG_TO_EMUMMC)
emummc_set_path(b_cfg.emummc_path);
else if (emummc_path && !emummc_set_path(emummc_path))
{
gfx_con.mute = false;
EPRINTF("emupath is wrong!");
goto wrong_emupath;
}
hos_launch(cfg_sec);
wrong_emupath:
EPRINTF("\nFailed to launch HOS!");
if (emummc_path || b_cfg.boot_cfg & BOOT_CFG_TO_EMUMMC)
{
sd_mount();
emummc_load_cfg();
}
payload_error:
gfx_con.mute = false;
gfx_printf("\nPress any key...\n");
display_backlight_brightness(h_cfg.backlight, 1000);
msleep(500);
btn_wait();
}
out:
gfx_con.mute = false;
// Clear boot reasons from binary.
if (b_cfg.boot_cfg & (BOOT_CFG_FROM_ID | BOOT_CFG_TO_EMUMMC))
memset(b_cfg.xt_str, 0, sizeof(b_cfg.xt_str));
h_cfg.emummc_force_disable = false;
// L4T: Clear custom boot mode flags from PMC_SCRATCH0.
PMC(APBDEV_PMC_SCRATCH0) &= ~PMC_SCRATCH0_MODE_CUSTOM_ALL;
nyx_load_run();
}
static void _patched_rcm_protection()
{
if (!h_cfg.rcm_patched || hw_get_chip_id() == GP_HIDREV_MAJOR_T210B01)
return;
// Check if AutoRCM is enabled and protect from a permanent brick.
if (!sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
return;
u8 *buf = (u8 *)malloc(0x200);
sdmmc_storage_set_mmc_partition(&emmc_storage, EMMC_BOOT0);
u32 sector;
u8 corr_mod0, mod1;
// Get the correct RSA modulus byte masks.
nx_emmc_get_autorcm_masks(&corr_mod0, &mod1);
// Iterate BCTs.
for (u32 i = 0; i < 4; i++)
{
sector = 1 + (32 * i); // 0x4000 bct + 0x200 offset.
sdmmc_storage_read(&emmc_storage, sector, 1, buf);
// Check if 2nd byte of modulus is correct.
if (buf[0x11] != mod1)
continue;
// If AutoRCM is enabled, disable it.
if (buf[0x10] != corr_mod0)
{
buf[0x10] = corr_mod0;
sdmmc_storage_write(&emmc_storage, sector, 1, buf);
}
}
free(buf);
sdmmc_storage_end(&emmc_storage);
}
#define EXCP_EN_ADDR 0x4003FFFC
#define EXCP_MAGIC 0x30505645 // EVP0
#define EXCP_TYPE_ADDR 0x4003FFF8
#define EXCP_TYPE_RESET 0x545352 // RST
#define EXCP_TYPE_UNDEF 0x464455 // UDF
#define EXCP_TYPE_PABRT 0x54424150 // PABT
#define EXCP_TYPE_DABRT 0x54424144 // DABT
#define EXCP_LR_ADDR 0x4003FFF4
static void _show_errors()
{
u32 *excp_enabled = (u32 *)EXCP_EN_ADDR;
u32 *excp_type = (u32 *)EXCP_TYPE_ADDR;
u32 *excp_lr = (u32 *)EXCP_LR_ADDR;
if (*excp_enabled == EXCP_MAGIC)
h_cfg.errors |= ERR_EXCEPTION;
//! FIXME: Find a better way to identify if that scratch has proper data.
if (0 && PMC(APBDEV_PMC_SCRATCH37) & PMC_SCRATCH37_KERNEL_PANIC_FLAG)
{
// Set error and clear flag.
h_cfg.errors |= ERR_L4T_KERNEL;
PMC(APBDEV_PMC_SCRATCH37) &= ~PMC_SCRATCH37_KERNEL_PANIC_FLAG;
}
if (h_cfg.errors)
{
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
display_backlight_brightness(150, 1000);
if (h_cfg.errors & ERR_SD_BOOT_EN)
WPRINTF("Failed to mount SD!\n");
if (h_cfg.errors & ERR_LIBSYS_LP0)
WPRINTF("Missing LP0 (sleep mode) lib!\n");
if (h_cfg.errors & ERR_LIBSYS_MTC)
WPRINTF("Missing or old Minerva lib!\n");
if (h_cfg.errors & (ERR_LIBSYS_LP0 | ERR_LIBSYS_MTC))
WPRINTF("\nUpdate bootloader folder!\n\n");
if (h_cfg.errors & ERR_EXCEPTION)
{
WPRINTFARGS("An exception occurred (LR %08X):\n", *excp_lr);
switch (*excp_type)
{
case EXCP_TYPE_RESET:
WPRINTF("RESET");
break;
case EXCP_TYPE_UNDEF:
WPRINTF("UNDEF");
break;
case EXCP_TYPE_PABRT:
WPRINTF("PABRT");
break;
case EXCP_TYPE_DABRT:
WPRINTF("DABRT");
break;
}
WPRINTF("\n");
// Clear the exception.
*excp_enabled = 0;
}
if (0 && h_cfg.errors & ERR_L4T_KERNEL)
{
WPRINTF("Panic occurred while running L4T.\n");
if (!sd_save_to_file((void *)PSTORE_ADDR, PSTORE_SZ, "L4T_panic.bin"))
WPRINTF("PSTORE saved to L4T_panic.bin\n");
}
WPRINTF("Press any key...");
msleep(1000);
btn_wait();
}
}
static void _check_low_battery()
{
if (fuse_read_hw_state() == FUSE_NX_HW_STATE_DEV)
goto out;
int enough_battery;
int batt_volt = 0;
int charge_status = 0;
bq24193_get_property(BQ24193_ChargeStatus, &charge_status);
max17050_get_property(MAX17050_AvgVCELL, &batt_volt);
enough_battery = charge_status ? 3250 : 3000;
if (batt_volt > enough_battery || !batt_volt)
goto out;
// Prepare battery icon resources.
u8 *battery_res = malloc(ALIGN(SZ_BATTERY_EMPTY, 0x1000));
blz_uncompress_srcdest(BATTERY_EMPTY_BLZ, SZ_BATTERY_EMPTY_BLZ, battery_res, SZ_BATTERY_EMPTY);
u8 *battery_icon = malloc(0x95A); // 21x38x3
u8 *charging_icon = malloc(0x2F4); // 21x12x3
u8 *no_charging_icon = calloc(0x2F4, 1);
memcpy(charging_icon, battery_res, 0x2F4);
memcpy(battery_icon, battery_res + 0x2F4, 0x95A);
u32 battery_icon_y_pos = 1280 - 16 - Y_BATTERY_EMPTY_BATT;
u32 charging_icon_y_pos = 1280 - 16 - Y_BATTERY_EMPTY_BATT - 12 - Y_BATTERY_EMPTY_CHRG;
free(battery_res);
charge_status = !charge_status;
u32 timer = 0;
bool screen_on = false;
while (true)
{
bpmp_msleep(250);
// Refresh battery stats.
int current_charge_status = 0;
bq24193_get_property(BQ24193_ChargeStatus, &current_charge_status);
max17050_get_property(MAX17050_AvgVCELL, &batt_volt);
enough_battery = current_charge_status ? 3250 : 3000;
if (batt_volt > enough_battery)
break;
// Refresh charging icon.
if (screen_on && (charge_status != current_charge_status))
{
if (current_charge_status)
gfx_set_rect_rgb(charging_icon, X_BATTERY_EMPTY, Y_BATTERY_EMPTY_CHRG, 16, charging_icon_y_pos);
else
gfx_set_rect_rgb(no_charging_icon, X_BATTERY_EMPTY, Y_BATTERY_EMPTY_CHRG, 16, charging_icon_y_pos);
}
// Check if it's time to turn off display.
if (screen_on && timer < get_tmr_ms())
{
if (!current_charge_status)
{
max77620_low_battery_monitor_config(true);
power_set_state(POWER_OFF_RESET);
}
display_end();
screen_on = false;
}
// Check if charging status changed or Power button was pressed.
if ((charge_status != current_charge_status) || (btn_wait_timeout_single(0, BTN_POWER) & BTN_POWER))
{
if (!screen_on)
{
display_init();
u32 *fb = display_init_framebuffer_pitch();
gfx_init_ctxt(fb, 720, 1280, 720);
gfx_set_rect_rgb(battery_icon, X_BATTERY_EMPTY, Y_BATTERY_EMPTY_BATT, 16, battery_icon_y_pos);
if (current_charge_status)
gfx_set_rect_rgb(charging_icon, X_BATTERY_EMPTY, Y_BATTERY_EMPTY_CHRG, 16, charging_icon_y_pos);
else
gfx_set_rect_rgb(no_charging_icon, X_BATTERY_EMPTY, Y_BATTERY_EMPTY_CHRG, 16, charging_icon_y_pos);
display_backlight_pwm_init();
display_backlight_brightness(100, 1000);
screen_on = true;
}
timer = get_tmr_ms() + 15000;
}
// Check if forcefully continuing.
if (btn_read_vol() == (BTN_VOL_UP | BTN_VOL_DOWN))
break;
charge_status = current_charge_status;
}
display_end();
free(battery_icon);
free(charging_icon);
free(no_charging_icon);
out:
// Re enable Low Battery Monitor shutdown.
max77620_low_battery_monitor_config(true);
}
void ipl_reload()
{
hw_reinit_workaround(false, 0);
// Reload hekate.
void (*ipl_ptr)() = (void *)IPL_LOAD_ADDR;
(*ipl_ptr)();
}
static void _about()
{
static const char credits[] =
"\nhekate (c) 2018, naehrwert, st4rk\n\n"
" (c) 2018-2021, CTCaer\n\n"
" ___________________________________________\n\n"
"Thanks to: %kderrek, nedwill, plutoo,\n"
" shuffle2, smea, thexyz, yellows8%k\n"
" ___________________________________________\n\n"
"Greetings to: fincs, hexkyz, SciresM,\n"
" Shiny Quagsire, WinterMute\n"
" ___________________________________________\n\n"
"Open source and free packages used:\n\n"
" - FatFs R0.13b\n"
" (c) 2018, ChaN\n\n"
" - bcl-1.2.0\n"
" (c) 2003-2006, Marcus Geelnard\n\n"
" - Atmosphere (Exo st/types, prc id patches)\n"
" (c) 2018-2019, Atmosphere-NX\n\n"
" - elfload\n"
" (c) 2014, Owen Shepherd\n"
" (c) 2018, M4xw\n"
" ___________________________________________\n\n";
static const char octopus[] =
" %k___\n"
" .-' `'.\n"
" / \\\n"
" | ;\n"
" | | ___.--,\n"
" _.._ |0) = (0) | _.---'`__.-( (_.\n"
" __.--'`_.. '.__.\\ '--. \\_.-' ,.--'` `\"\"`\n"
" ( ,.--'` ',__ /./; ;, '.__.'` __\n"
" _`) ) .---.__.' / | |\\ \\__..--\"\" \"\"\"--.,_\n"
" `---' .'.''-._.-'`_./ /\\ '. \\ _.--''````'''--._`-.__.'\n"
" | | .' _.-' | | \\ \\ '. `----`\n"
" \\ \\/ .' \\ \\ '. '-._)\n"
" \\/ / \\ \\ `=.__`'-.\n"
" / /\\ `) ) / / `\"\".`\\\n"
" , _.-'.'\\ \\ / / ( ( / /\n"
" `--'` ) ) .-'.' '.'. | (\n"
" (/` ( (` ) ) '-; %k[switchbrew]%k\n"
" ` '-; (-'%k";
gfx_clear_grey(0x1B);
gfx_con_setpos(0, 0);
gfx_printf(credits, 0xFF00CCFF, 0xFFCCCCCC);
gfx_con.fntsz = 8;
gfx_printf(octopus, 0xFF00CCFF, 0xFF00FFCC, 0xFF00CCFF, 0xFFCCCCCC);
btn_wait();
}
ment_t ment_cinfo[] = {
MDEF_BACK(),
MDEF_CHGLINE(),
MDEF_CAPTION("---- SoC Info ----", 0xFF0AB9E6),
MDEF_HANDLER("Ipatches & bootrom", bootrom_ipatches_info),
MDEF_HANDLER("Fuses", print_fuseinfo),
//MDEF_HANDLER("Print kfuse info", print_kfuseinfo),
MDEF_CHGLINE(),
MDEF_CAPTION("-- Storage Info --", 0xFF0AB9E6),
MDEF_HANDLER("eMMC", print_mmc_info),
MDEF_HANDLER("SD Card", print_sdcard_info),
MDEF_CHGLINE(),
MDEF_CAPTION("------ Misc ------", 0xFF0AB9E6),
MDEF_HANDLER("Battery", print_battery_info),
MDEF_END()
};
menu_t menu_cinfo = { ment_cinfo, "Console Info", 0, 0 };
ment_t ment_restore[] = {
MDEF_BACK(),
MDEF_CHGLINE(),
MDEF_CAPTION("------ Full --------", 0xFF0AB9E6),
MDEF_HANDLER("Restore eMMC BOOT0/1", restore_emmc_boot),
MDEF_HANDLER("Restore eMMC RAW GPP", restore_emmc_rawnand),
MDEF_CHGLINE(),
MDEF_CAPTION("-- GPP Partitions --", 0xFF0AB9E6),
MDEF_HANDLER("Restore GPP partitions", restore_emmc_gpp_parts),
MDEF_END()
};
menu_t menu_restore = { ment_restore, "Restore Options", 0, 0 };
ment_t ment_backup[] = {
MDEF_BACK(),
MDEF_CHGLINE(),
MDEF_CAPTION("------ Full --------", 0xFF0AB9E6),
MDEF_HANDLER("Backup eMMC BOOT0/1", dump_emmc_boot),
MDEF_HANDLER("Backup eMMC RAW GPP", dump_emmc_rawnand),
MDEF_CHGLINE(),
MDEF_CAPTION("-- GPP Partitions --", 0xFF0AB9E6),
MDEF_HANDLER("Backup eMMC SYS", dump_emmc_system),
MDEF_HANDLER("Backup eMMC USER", dump_emmc_user),
MDEF_END()
};
menu_t menu_backup = { ment_backup, "Backup Options", 0, 0 };
ment_t ment_tools[] = {
MDEF_BACK(),
MDEF_CHGLINE(),
//MDEF_CAPTION("-- Backup & Restore --", 0xFF0AB9E6),
//MDEF_MENU("Backup", &menu_backup),
//MDEF_MENU("Restore", &menu_restore),
//MDEF_CHGLINE(),
//MDEF_CAPTION("-------- Misc --------", 0xFF0AB9E6),
//MDEF_HANDLER("Dump package1/2", dump_packages12),
//MDEF_CHGLINE(),
MDEF_CAPTION("-------- Other -------", 0xFFFFDD00),
MDEF_HANDLER("AutoRCM", menu_autorcm),
MDEF_END()
};
menu_t menu_tools = { ment_tools, "Tools", 0, 0 };
power_state_t STATE_POWER_OFF = POWER_OFF_RESET;
power_state_t STATE_REBOOT_RCM = REBOOT_RCM;
power_state_t STATE_REBOOT_BYPASS_FUSES = REBOOT_BYPASS_FUSES;
ment_t ment_top[] = {
MDEF_HANDLER("Launch", launch_firmware),
MDEF_CAPTION("---------------", 0xFF444444),
MDEF_MENU("Tools", &menu_tools),
MDEF_MENU("Console info", &menu_cinfo),
MDEF_CAPTION("---------------", 0xFF444444),
MDEF_HANDLER("Reload", ipl_reload),
MDEF_HANDLER_EX("Reboot (OFW)", &STATE_REBOOT_BYPASS_FUSES, power_set_state_ex),
MDEF_HANDLER_EX("Reboot (RCM)", &STATE_REBOOT_RCM, power_set_state_ex),
MDEF_HANDLER_EX("Power off", &STATE_POWER_OFF, power_set_state_ex),
MDEF_CAPTION("---------------", 0xFF444444),
MDEF_HANDLER("About", _about),
MDEF_END()
};
menu_t menu_top = { ment_top, "hekate v5.6.0", 0, 0 };
extern void pivot_stack(u32 stack_top);
void ipl_main()
{
// Do initial HW configuration. This is compatible with consecutive reruns without a reset.
hw_init();
// Pivot the stack so we have enough space.
pivot_stack(IPL_STACK_TOP);
// Tegra/Horizon configuration goes to 0x80000000+, package2 goes to 0xA9800000, we place our heap in between.
heap_init(IPL_HEAP_START);
#ifdef DEBUG_UART_PORT
uart_send(DEBUG_UART_PORT, (u8 *)"hekate: Hello!\r\n", 16);
uart_wait_idle(DEBUG_UART_PORT, UART_TX_IDLE);
#endif
// Check if battery is enough.
_check_low_battery();
// Set bootloader's default configuration.
set_default_configuration();
// Mount SD Card.
h_cfg.errors |= !sd_mount() ? ERR_SD_BOOT_EN : 0;
// Save sdram lp0 config.
void *sdram_params = h_cfg.t210b01 ? sdram_get_params_t210b01() : sdram_get_params_patched();
if (!ianos_loader("bootloader/sys/libsys_lp0.bso", DRAM_LIB, sdram_params))
h_cfg.errors |= ERR_LIBSYS_LP0;
// Train DRAM and switch to max frequency.
if (minerva_init()) //!TODO: Add Tegra210B01 support to minerva.
h_cfg.errors |= ERR_LIBSYS_MTC;
display_init();
u32 *fb = display_init_framebuffer_pitch();
gfx_init_ctxt(fb, 720, 1280, 720);
gfx_con_init();
display_backlight_pwm_init();
//display_backlight_brightness(h_cfg.backlight, 1000);
// Overclock BPMP.
bpmp_clk_rate_set(h_cfg.t210b01 ? BPMP_CLK_DEFAULT_BOOST : BPMP_CLK_LOWER_BOOST);
// Check if we had a panic while in CFW.
secmon_exo_check_panic();
// Check if RCM is patched and protect from a possible brick.
_patched_rcm_protection();
// Load emuMMC configuration from SD.
emummc_load_cfg();
// Show exception, library errors and L4T kernel panics.
_show_errors();
// Load saved configuration and auto boot if enabled.
_auto_launch_firmware();
// Failed to launch Nyx, unmount SD Card.
sd_end();
minerva_change_freq(FREQ_800);
while (true)
tui_do_menu(&menu_top);
// Halt BPMP if we managed to get out of execution.
while (true)
bpmp_halt();
}
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