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hekate/nyx/nyx_gui/nyx.c
Kostas Missos 48c15a8fde nyx: Release the shackles
2019-12-07 20:16:38 +02:00

437 lines
9.8 KiB
C
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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 "config/config.h"
#include "gfx/di.h"
#include "gfx/gfx.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/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"
//TODO: ugly.
sdmmc_t sd_sdmmc;
sdmmc_storage_t sd_storage;
FATFS sd_fs;
static bool sd_mounted = false;
static bool sd_init_done = false;
#ifdef MENU_LOGO_ENABLE
u8 *Kc_MENU_LOGO;
#endif //MENU_LOGO_ENABLE
hekate_config h_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;
volatile boot_cfg_t *b_cfg;
bool get_sd_card_removed()
{
if (sd_init_done && !!gpio_read(GPIO_PORT_Z, GPIO_PIN_1))
return true;
return false;
}
bool sd_mount()
{
if (sd_mounted)
return true;
int res = 0;
if (!sd_init_done)
{
res = !sdmmc_storage_init_sd(&sd_storage, &sd_sdmmc, SDMMC_1, SDMMC_BUS_WIDTH_4, 11);
if (!res)
sd_init_done = true;
}
if (res)
{
EPRINTF("Failed to init SD card.\nMake sure that it is inserted.\nOr that SD reader is properly seated!");
}
else
{
int res = f_mount(&sd_fs, "", 1);
if (res == FR_OK)
{
sd_mounted = true;
return true;
}
else
{
EPRINTFARGS("Failed to mount SD card (FatFS Error %d).\nMake sure that a FAT partition exists..", res);
}
}
return false;
}
void sd_unmount(bool deinit)
{
if (sd_init_done && sd_mounted)
{
f_mount(NULL, "", 1);
sd_mounted = false;
}
if (sd_init_done && deinit)
{
sdmmc_storage_end(&sd_storage);
sd_init_done = false;
}
}
void *sd_file_read(const char *path, u32 *fsize)
{
FIL fp;
if (f_open(&fp, path, FA_READ) != FR_OK)
return NULL;
u32 size = f_size(&fp);
if (fsize)
*fsize = size;
void *buf = malloc(size);
if (f_read(&fp, buf, size, NULL) != FR_OK)
{
free(buf);
f_close(&fp);
return NULL;
}
f_close(&fp);
return buf;
}
int sd_save_to_file(void *buf, u32 size, const char *filename)
{
FIL fp;
u32 res = 0;
res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE);
if (res)
{
EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename);
return res;
}
f_write(&fp, buf, size, NULL);
f_close(&fp);
return 0;
}
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_4, SDMMC_BUS_WIDTH_8, 4))
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_ADDR (0xD0000000 - 0x100000)
#define CBFS_DRAM_EN_ADDR 0x4003e000
#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
{
memcpy((u8 *)payload_src, (u8 *)NYX_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)), (u8 *)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);
sd_unmount(false);
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
buf = (void *)COREBOOT_ADDR;
if (f_read(&fp, buf, size, NULL))
{
f_close(&fp);
sd_unmount(false);
goto out;
}
f_close(&fp);
sd_unmount(true);
if (size < 0x30000)
{
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
reconfig_hw_workaround(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
}
else
{
reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, 0x7000);
reconfig_hw_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:
return LV_RES_OK;
}
void load_saved_configuration()
{
LIST_INIT(ini_sections);
if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
{
// Load configuration.
LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
{
// Skip other ini entries.
if (ini_sec->type == INI_CHOICE)
{
if (!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("verification", kv->key))
h_cfg.verification = 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("brand", kv->key))
{
h_cfg.brand = malloc(strlen(kv->val) + 1);
strcpy(h_cfg.brand, kv->val);
}
else if (!strcmp("tagline", kv->key))
{
h_cfg.tagline = malloc(strlen(kv->val) + 1);
strcpy(h_cfg.tagline, kv->val);
}
}
continue;
}
}
}
}
}
void nyx_init_load_res()
{
bpmp_mmu_enable();
bpmp_clk_rate_set(BPMP_CLK_DEFAULT_BOOST);
// Set bootloader's default configuration.
set_default_configuration();
gfx_init_ctxt((u32 *)FB_ADDRESS, 720, 1280, 720);
gfx_con_init();
sd_mount();
// Train DRAM and switch to max frequency.
minerva_init();
load_saved_configuration();
FIL fp;
f_open(&fp, "bootloader/sys/res.pak", FA_READ);
f_read(&fp, (void *)NYX_RES_ADDR, f_size(&fp), NULL);
f_close(&fp);
icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch.bmp");
icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload.bmp");
icon_lakka = bmp_to_lvimg_obj("bootloader/res/icon_lakka.bmp");
hekate_bg = bmp_to_lvimg_obj("bootloader/res/background.bmp");
sd_unmount(false);
h_cfg.rcm_patched = fuse_check_patched_rcm();
}
#define IPL_STACK_TOP 0x90010000
#define IPL_HEAP_START 0x90020000
#define IPL_HEAP_END 0xB5000000
extern void pivot_stack(u32 stack_top);
#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));
#if (LV_LOG_PRINTF == 1)
gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_SPIO);
gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_GPIO);
pinmux_config_uart(UART_B);
clock_enable_uart(UART_B);
uart_init(UART_B, 115200);
uart_send(UART_B, (u8 *)"Hekate-NYX: Hello!\r\n", 20);
uart_wait_idle(UART_B, 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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