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hekate/bootloader/main.c
CTCaer 3fa01a1975 hekate: fix a bug in low battery monitor 
Do not try to deinit display if it's not enabled.

Can happen if LBM disables display to reserve power while charging and user presses both VOL buttons to exit the mode.
2022-06-04 22:03:47 +03:00

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/*
* Copyright (c) 2018 naehrwert
*
* 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 "config.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 "storage/emummc.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 (!emmc_initialize(false))
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 *logo_buf = (void *)malloc(SZ_16K);
blz_uncompress_srcdest(BOOTLOGO_BLZ, SZ_BOOTLOGO_BLZ, logo_buf, SZ_BOOTLOGO);
gfx_set_rect_grey(logo_buf, X_BOOTLOGO, Y_BOOTLOGO, 326, 544);
free(logo_buf);
}
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)
{
// 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);
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:
return 1;
}
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())
{
free(ments);
goto failed_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);
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.");
}
failed_sd_mount:
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())
goto parse_failed;
// Check that ini files exist and parse them.
if (!ini_parse(&ini_list_sections, "bootloader/ini", true))
{
EPRINTF("Could not find any ini\nin bootloader/ini!");
goto parse_failed;
}
// 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);
parse_failed:
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(); // Reload emuMMC config in case of emupath.
}
}
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())
goto parse_failed;
// Load emuMMC configuration.
emummc_load_cfg();
// Check that main configuration exists and parse it.
if (!ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
{
EPRINTF("Could not open 'bootloader/hekate_ipl.ini'!");
goto parse_failed;
}
// 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);
parse_failed:
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(); // Reload emuMMC config in case of emupath.
}
}
out:
sd_end();
h_cfg.emummc_force_disable = false;
btn_wait();
}
#define NYX_VER_OFF 0x9C
void nyx_load_run()
{
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);
}
}
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
{
// 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);
}
}
}
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;
u32 boot_entry_id = 0;
bool config_entry_found = false;
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);
// Load emuMMC configuration.
emummc_load_cfg();
if (f_stat("bootloader/hekate_ipl.ini", NULL))
create_config_entry();
// Parse hekate main configuration.
if (!ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
goto out; // Can't load hekate_ipl.ini.
// 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 (!config_entry_found && !strcmp(ini_sec->name, "config"))
{
config_entry_found = true;
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 && config_entry_found)
{
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))
goto skip_list;
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec_list, &ini_list_sections, link)
{
if (ini_sec_list->type != INI_CHOICE)
continue;
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 (!config_entry_found)
create_config_entry();
if (!cfg_sec)
goto out; // No configurations or auto boot is disabled.
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 *logo_buf = 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) < SZ_4M))
{
// Avoid unaligned access from BM 2-byte MAGIC and remove header.
logo_buf = (u8 *)malloc(SZ_4M);
memcpy(logo_buf, 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 *)logo_buf);
bootlogoFound = true;
}
}
else
free(bitmap);
}
// Render boot logo.
if (bootlogoFound)
{
gfx_render_bmp_argb((u32 *)logo_buf, bmpData.size_x, bmpData.size_y,
bmpData.pos_x, bmpData.pos_y);
free(logo_buf);
}
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(); // Reload emuMMC config in case of emupath.
}
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();
}
#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
#define PSTORE_LOG_OFFSET 0x180000
#define PSTORE_RAM_SIG 0x43474244 // DBGC.
typedef struct _pstore_buf {
u32 sig;
u32 start;
u32 size;
} pstore_buf_t;
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;
u32 panic_status = hw_rst_status & 0xFFFFF;
if (*excp_enabled == EXCP_MAGIC)
h_cfg.errors |= ERR_EXCEPTION;
if (PMC(APBDEV_PMC_SCRATCH37) == PMC_SCRATCH37_KERNEL_PANIC_MAGIC)
{
// Set error and clear flag.
h_cfg.errors |= ERR_L4T_KERNEL;
PMC(APBDEV_PMC_SCRATCH37) = 0;
}
if (hw_rst_reason == PMC_RST_STATUS_WATCHDOG && panic_status &&
panic_status <= 0xFF && panic_status != 0x20 && panic_status != 0x21)
h_cfg.errors |= ERR_PANIC_CODE;
// Check if we had a panic while in CFW.
secmon_exo_check_panic();
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 init or mount SD!\n");
// Clear the module bits as to not cram the error screen.
h_cfg.errors &= ~(ERR_LIBSYS_LP0 | ERR_LIBSYS_MTC);
}
if (h_cfg.errors & ERR_LIBSYS_LP0)
WPRINTF("Missing LP0 (sleep) lib!\n");
if (h_cfg.errors & ERR_LIBSYS_MTC)
WPRINTF("Missing 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("hekate 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;
}
gfx_puts("\n");
// Clear the exception.
*excp_enabled = 0;
}
if (h_cfg.errors & ERR_L4T_KERNEL)
{
WPRINTF("Kernel panic occurred!\n");
if (!(h_cfg.errors & ERR_SD_BOOT_EN))
{
if (!sd_save_to_file((void *)PSTORE_ADDR, PSTORE_SZ, "L4T_panic.bin"))
WPRINTF("PSTORE saved to L4T_panic.bin");
pstore_buf_t *buf = (pstore_buf_t *)(PSTORE_ADDR + PSTORE_LOG_OFFSET);
if (buf->sig == PSTORE_RAM_SIG && buf->size && buf->size < 0x80000)
{
u32 log_offset = PSTORE_ADDR + PSTORE_LOG_OFFSET + sizeof(pstore_buf_t);
if (!sd_save_to_file((void *)log_offset, buf->size, "L4T_panic.txt"))
WPRINTF("Log saved to L4T_panic.txt");
}
}
gfx_puts("\n");
}
if (h_cfg.errors & ERR_PANIC_CODE)
{
u32 r = (hw_rst_status >> 20) & 0xF;
u32 g = (hw_rst_status >> 24) & 0xF;
u32 b = (hw_rst_status >> 28) & 0xF;
r = (r << 16) | (r << 20);
g = (g << 8) | (g << 12);
b = (b << 0) | (b << 4);
u32 color = r | g | b;
WPRINTF("HOS panic occurred!\n");
gfx_printf("Color: %k####%k, Code: %02X\n\n", color, 0xFFCCCCCC, panic_status);
}
WPRINTF("Press any key...");
msleep(1000); // Guard against injection VOL+.
btn_wait();
msleep(500); // Guard against force menu VOL-.
}
}
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 battery voltage is enough, exit.
if (batt_volt > enough_battery || !batt_volt)
goto out;
// Prepare battery icon resources.
u8 *battery_res = malloc(ALIGN(SZ_BATTERY_EMPTY, SZ_4K));
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 battery voltage is enough, exit.
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 battery is not charging, power off.
if (!current_charge_status)
{
max77620_low_battery_monitor_config(true);
// Handle full hw deinit and power off.
power_set_state(POWER_OFF_RESET);
}
// If charging, just disable display.
display_end();
screen_on = false;
}
// Check if charging status changed or Power button was pressed and enable display.
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;
}
if (screen_on)
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) 2018-2022, 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 R0.13c\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 v5.7.2", 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((void *)IPL_HEAP_START);
#ifdef DEBUG_UART_PORT
uart_send(DEBUG_UART_PORT, (u8 *)"hekate: Hello!\r\n", 16);
uart_wait_xfer(DEBUG_UART_PORT, UART_TX_IDLE);
#endif
// Check if battery is enough.
_check_low_battery();
// Set bootloader's default configuration.
set_default_configuration();
// Initialize display.
display_init();
// 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;
// Initialize display window, backlight and gfx console.
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);
// Show exceptions, HOS errors, library errors and L4T kernel panics.
_show_errors();
// Load saved configuration and auto boot if enabled.
if (!(h_cfg.errors & ERR_SD_BOOT_EN))
_auto_launch_firmware();
// Failed to launch Nyx, unmount SD Card.
sd_end();
// Set ram to a freq that doesn't need periodic training.
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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