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hekate/nyx/nyx_gui/nyx.c
CTCaer 1f5b371608 Refactor some names 
Additionally:
- Do not retry to init sd if all modes failed in Nyx.
- Do not try to read/write if sdmmc controller and card are not initialized.
2020-10-23 06:32:24 +03:00

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/*
* Copyright (c) 2018 naehrwert
*
* Copyright (c) 2018-2019 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 <gfx/di.h>
#include <gfx_utils.h>
#include "hos/hos.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/max77620.h>
#include <soc/bpmp.h>
#include <soc/fuse.h>
#include <soc/gpio.h>
#include <soc/hw_init.h>
#include <soc/i2c.h>
#include <soc/pmc.h>
#include <soc/t210.h>
#include <soc/uart.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/gui.h"
#ifdef MENU_LOGO_ENABLE
u8 *Kc_MENU_LOGO;
#endif //MENU_LOGO_ENABLE
nyx_config n_cfg;
hekate_config h_cfg;
const volatile ipl_ver_meta_t __attribute__((section ("._ipl_version"))) ipl_ver = {
.magic = NYX_MAGIC,
.version = (NYX_VER_MJ + '0') | ((NYX_VER_MN + '0') << 8) | ((NYX_VER_HF + '0') << 16),
.rsvd0 = 0,
.rsvd1 = 0
};
volatile nyx_storage_t *nyx_str = (nyx_storage_t *)NYX_STORAGE_ADDR;
volatile boot_cfg_t *b_cfg;
void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage)
{
sdmmc_storage_t storage2;
sdmmc_t sdmmc;
char emmcSN[9];
bool init_done = false;
memcpy(path, "backup", 7);
f_mkdir(path);
if (!storage)
{
if (!sdmmc_storage_init_mmc(&storage2, &sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
memcpy(emmcSN, "00000000", 9);
else
{
init_done = true;
itoa(storage2.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(&storage2);
}
// 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 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 *)nyx_str->hekate, 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;
}
}
lv_res_t launch_payload(lv_obj_t *list)
{
const char *filename = lv_list_get_btn_text(list);
if (!filename || !filename[0])
goto out;
char path[128];
strcpy(path,"bootloader/payloads/");
strcat(path, filename);
if (sd_mount())
{
FIL fp;
if (f_open(&fp, path, FA_READ))
{
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 (f_read(&fp, buf, size, NULL))
{
f_close(&fp);
goto out;
}
f_close(&fp);
sd_end();
if (size < 0x30000)
{
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);
hw_reinit_workaround(true, 0);
}
void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
sdmmc_storage_init_wait_sd();
// Launch our payload.
(*ext_payload_ptr)();
}
out:
sd_unmount();
return LV_RES_OK;
}
void load_saved_configuration()
{
LIST_INIT(ini_sections);
LIST_INIT(ini_nyx_sections);
// Load hekate configuration.
if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
{
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
{
// Only parse config section.
if (ini_sec->type == INI_CHOICE && !strcmp(ini_sec->name, "config"))
{
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);
else if (!strcmp("backlight", kv->key))
{
h_cfg.backlight = atoi(kv->val);
if (h_cfg.backlight <= 20)
h_cfg.backlight = 30;
}
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);
}
break;
}
}
}
// Load Nyx configuration.
if (ini_parse(&ini_nyx_sections, "bootloader/nyx.ini", false))
{
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_nyx_sections, link)
{
// Only parse config section.
if (ini_sec->type == INI_CHOICE && !strcmp(ini_sec->name, "config"))
{
LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
{
if (!strcmp("themecolor", kv->key))
n_cfg.themecolor = atoi(kv->val);
else if (!strcmp("timeoff", kv->key))
n_cfg.timeoff = strtol(kv->val, NULL, 16);
else if (!strcmp("homescreen", kv->key))
n_cfg.home_screen = atoi(kv->val);
else if (!strcmp("verification", kv->key))
n_cfg.verification = atoi(kv->val);
else if (!strcmp("umsemmcrw", kv->key))
n_cfg.ums_emmc_rw = atoi(kv->val) == 1;
else if (!strcmp("jcdisable", kv->key))
n_cfg.jc_disable = atoi(kv->val) == 1;
}
break;
}
}
}
}
#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)
{
gfx_clear_grey(0);
gfx_con_setpos(0, 0);
display_backlight_brightness(100, 1000);
display_activate_console();
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_lr = 0;
*excp_type = 0;
*excp_enabled = 0;
WPRINTF("Press any key...");
msleep(2000);
btn_wait();
reload_nyx();
}
}
void nyx_init_load_res()
{
bpmp_mmu_enable();
bpmp_clk_rate_get();
bpmp_clk_rate_set(BPMP_CLK_DEFAULT_BOOST);
// Set bootloader's default configuration.
set_default_configuration();
set_nyx_default_configuration();
gfx_init_ctxt((u32 *)LOG_FB_ADDRESS, 1280, 656, 656);
gfx_con_init();
// Show exception errors if any.
_show_errors();
sd_mount();
// Train DRAM and switch to max frequency.
minerva_init();
load_saved_configuration();
FIL fp;
if (!f_open(&fp, "bootloader/sys/res.pak", FA_READ))
{
f_read(&fp, (void *)NYX_RES_ADDR, f_size(&fp), NULL);
f_close(&fp);
}
// If no custom switch icon exists, load normal.
if (f_stat("bootloader/res/icon_switch_custom.bmp", NULL))
icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch.bmp");
else
icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch_custom.bmp");
// If no custom payload icon exists, load normal.
if (f_stat("bootloader/res/icon_payload_custom.bmp", NULL))
icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload.bmp");
else
icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload_custom.bmp");
// Load background resource if any.
hekate_bg = bmp_to_lvimg_obj("bootloader/res/background.bmp");
sd_unmount();
h_cfg.rcm_patched = fuse_check_patched_rcm();
}
#if (LV_LOG_PRINTF == 1)
#include <soc/clock.h>
#include <soc/gpio.h>
#include <soc/pinmux.h>
#endif
void ipl_main()
{
//Tegra/Horizon configuration goes to 0x80000000+, package2 goes to 0xA9800000, we place our heap in between.
heap_init(IPL_HEAP_START);
b_cfg = (boot_cfg_t *)(nyx_str->hekate + 0x94);
// Important: Preserve version header!
__asm__ ("" : : "" (ipl_ver));
#ifdef DEBUG_UART_PORT
#if DEBUG_UART_PORT == UART_B
gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_GPIO);
#endif
#if DEBUG_UART_PORT == UART_C
gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_GPIO);
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
#endif
pinmux_config_uart(DEBUG_UART_PORT);
clock_enable_uart(DEBUG_UART_PORT);
uart_init(DEBUG_UART_PORT, 115200);
uart_send(DEBUG_UART_PORT, (u8 *)"hekate-NYX: Hello!\r\n", 20);
uart_wait_idle(DEBUG_UART_PORT, UART_TX_IDLE);
#endif
// Initialize the rest of hw and load nyx's resources.
nyx_init_load_res();
nyx_load_and_run();
// Halt BPMP if we managed to get out of execution.
while (true)
bpmp_halt();
}
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