mirror of
https://github.com/CTCaer/hekate.git
synced 2024-12-28 19:06:01 +00:00
a664118fc7
2 modes: - With updater2p; Forces the reboot to payload binary to be hekate - Without; Checks if hekate and then if old
437 lines
9.8 KiB
C
437 lines
9.8 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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*
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* Copyright (c) 2018-2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "../../common/memory_map.h"
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#include "config/config.h"
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#include "gfx/di.h"
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#include "gfx/gfx.h"
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#include "hos/hos.h"
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#include "ianos/ianos.h"
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#include "libs/compr/blz.h"
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#include "libs/fatfs/ff.h"
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#include "mem/heap.h"
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#include "mem/minerva.h"
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#include "mem/sdram.h"
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#include "power/max77620.h"
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#include "soc/bpmp.h"
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#include "soc/fuse.h"
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#include "soc/gpio.h"
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#include "soc/hw_init.h"
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#include "soc/i2c.h"
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#include "soc/pmc.h"
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#include "soc/t210.h"
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#include "soc/uart.h"
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#include "storage/sdmmc.h"
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#include "utils/btn.h"
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#include "utils/dirlist.h"
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#include "utils/list.h"
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#include "utils/util.h"
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#include "frontend/fe_emmc_tools.h"
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#include "frontend/gui.h"
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//TODO: ugly.
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sdmmc_t sd_sdmmc;
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sdmmc_storage_t sd_storage;
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FATFS sd_fs;
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static bool sd_mounted = false;
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static bool sd_init_done = false;
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#ifdef MENU_LOGO_ENABLE
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u8 *Kc_MENU_LOGO;
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#endif //MENU_LOGO_ENABLE
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hekate_config h_cfg;
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const volatile ipl_ver_meta_t __attribute__((section ("._ipl_version"))) ipl_ver = {
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.magic = NYX_MAGIC,
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.version = (NYX_VER_MJ + '0') | ((NYX_VER_MN + '0') << 8) | ((NYX_VER_HF + '0') << 16),
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.rsvd0 = 0,
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.rsvd1 = 0
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};
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volatile nyx_storage_t *nyx_str = (nyx_storage_t *)NYX_STORAGE_ADDR;
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volatile boot_cfg_t *b_cfg;
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bool get_sd_card_removed()
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{
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if (sd_init_done && !!gpio_read(GPIO_PORT_Z, GPIO_PIN_1))
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return true;
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return false;
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}
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bool sd_mount()
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{
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if (sd_mounted)
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return true;
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int res = 0;
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if (!sd_init_done)
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{
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res = !sdmmc_storage_init_sd(&sd_storage, &sd_sdmmc, SDMMC_1, SDMMC_BUS_WIDTH_4, 11);
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if (!res)
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sd_init_done = true;
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}
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if (res)
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{
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EPRINTF("Failed to init SD card.\nMake sure that it is inserted.\nOr that SD reader is properly seated!");
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}
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else
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{
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int res = f_mount(&sd_fs, "", 1);
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if (res == FR_OK)
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{
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sd_mounted = true;
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return true;
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}
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else
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{
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EPRINTFARGS("Failed to mount SD card (FatFS Error %d).\nMake sure that a FAT partition exists..", res);
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}
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}
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return false;
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}
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void sd_unmount(bool deinit)
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{
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if (sd_init_done && sd_mounted)
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{
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f_mount(NULL, "", 1);
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sd_mounted = false;
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}
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if (sd_init_done && deinit)
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{
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sdmmc_storage_end(&sd_storage);
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sd_init_done = false;
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}
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}
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void *sd_file_read(const char *path, u32 *fsize)
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{
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FIL fp;
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if (f_open(&fp, path, FA_READ) != FR_OK)
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return NULL;
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u32 size = f_size(&fp);
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if (fsize)
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*fsize = size;
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void *buf = malloc(size);
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if (f_read(&fp, buf, size, NULL) != FR_OK)
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{
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free(buf);
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f_close(&fp);
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return NULL;
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}
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f_close(&fp);
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return buf;
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}
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int sd_save_to_file(void *buf, u32 size, const char *filename)
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{
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FIL fp;
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u32 res = 0;
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res = f_open(&fp, filename, FA_CREATE_ALWAYS | FA_WRITE);
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if (res)
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{
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EPRINTFARGS("Error (%d) creating file\n%s.\n", res, filename);
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return res;
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}
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f_write(&fp, buf, size, NULL);
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f_close(&fp);
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return 0;
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}
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void emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage)
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{
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sdmmc_storage_t storage2;
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sdmmc_t sdmmc;
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char emmcSN[9];
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bool init_done = false;
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memcpy(path, "backup", 7);
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f_mkdir(path);
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if (!storage)
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{
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if (!sdmmc_storage_init_mmc(&storage2, &sdmmc, SDMMC_4, SDMMC_BUS_WIDTH_8, 4))
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memcpy(emmcSN, "00000000", 9);
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else
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{
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init_done = true;
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itoa(storage2.cid.serial, emmcSN, 16);
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}
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}
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else
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itoa(storage->cid.serial, emmcSN, 16);
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u32 sub_dir_len = strlen(sub_dir); // Can be a null-terminator.
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u32 filename_len = strlen(filename); // Can be a null-terminator.
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memcpy(path + strlen(path), "/", 2);
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memcpy(path + strlen(path), emmcSN, 9);
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f_mkdir(path);
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memcpy(path + strlen(path), sub_dir, sub_dir_len + 1);
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if (sub_dir_len)
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f_mkdir(path);
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memcpy(path + strlen(path), "/", 2);
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memcpy(path + strlen(path), filename, filename_len + 1);
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if (init_done)
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sdmmc_storage_end(&storage2);
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}
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// This is a safe and unused DRAM region for our payloads.
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#define RELOC_META_OFF 0x7C
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#define PATCHED_RELOC_SZ 0x94
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#define PATCHED_RELOC_STACK 0x40007000
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#define PATCHED_RELOC_ENTRY 0x40010000
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#define EXT_PAYLOAD_ADDR 0xC0000000
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#define RCM_PAYLOAD_ADDR (EXT_PAYLOAD_ADDR + ALIGN(PATCHED_RELOC_SZ, 0x10))
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#define COREBOOT_ADDR (0xD0000000 - 0x100000)
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#define CBFS_DRAM_EN_ADDR 0x4003e000
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#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
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void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size)
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{
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memcpy((u8 *)payload_src, (u8 *)NYX_LOAD_ADDR, PATCHED_RELOC_SZ);
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volatile reloc_meta_t *relocator = (reloc_meta_t *)(payload_src + RELOC_META_OFF);
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relocator->start = payload_dst - ALIGN(PATCHED_RELOC_SZ, 0x10);
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relocator->stack = PATCHED_RELOC_STACK;
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relocator->end = payload_dst + payload_size;
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relocator->ep = payload_dst;
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if (payload_size == 0x7000)
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{
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memcpy((u8 *)(payload_src + ALIGN(PATCHED_RELOC_SZ, 0x10)), (u8 *)COREBOOT_ADDR, 0x7000); //Bootblock
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*(vu32 *)CBFS_DRAM_EN_ADDR = CBFS_DRAM_MAGIC;
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}
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}
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lv_res_t launch_payload(lv_obj_t *list)
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{
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const char *filename = lv_list_get_btn_text(list);
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if (!filename || !filename[0])
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goto out;
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char path[128];
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strcpy(path,"bootloader/payloads/");
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strcat(path, filename);
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if (sd_mount())
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{
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FIL fp;
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if (f_open(&fp, path, FA_READ))
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{
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EPRINTFARGS("Payload file is missing!\n(%s)", path);
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sd_unmount(false);
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goto out;
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}
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// Read and copy the payload to our chosen address
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void *buf;
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u32 size = f_size(&fp);
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if (size < 0x30000)
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buf = (void *)RCM_PAYLOAD_ADDR;
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else
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buf = (void *)COREBOOT_ADDR;
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if (f_read(&fp, buf, size, NULL))
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{
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f_close(&fp);
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sd_unmount(false);
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goto out;
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}
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f_close(&fp);
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sd_unmount(true);
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if (size < 0x30000)
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{
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reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, ALIGN(size, 0x10));
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reconfig_hw_workaround(false, byte_swap_32(*(u32 *)(buf + size - sizeof(u32))));
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}
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else
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{
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reloc_patcher(PATCHED_RELOC_ENTRY, EXT_PAYLOAD_ADDR, 0x7000);
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reconfig_hw_workaround(true, 0);
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}
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void (*ext_payload_ptr)() = (void *)EXT_PAYLOAD_ADDR;
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// Some cards (Sandisk U1), do not like a fast power cycle. Wait min 100ms.
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sdmmc_storage_init_wait_sd();
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// Launch our payload.
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(*ext_payload_ptr)();
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}
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out:
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return LV_RES_OK;
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}
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void load_saved_configuration()
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{
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LIST_INIT(ini_sections);
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if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
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{
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// Load configuration.
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LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
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{
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// Skip other ini entries.
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if (ini_sec->type == INI_CHOICE)
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{
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if (!strcmp(ini_sec->name, "config"))
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{
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LIST_FOREACH_ENTRY(ini_kv_t, kv, &ini_sec->kvs, link)
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{
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if (!strcmp("autoboot", kv->key))
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h_cfg.autoboot = atoi(kv->val);
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else if (!strcmp("autoboot_list", kv->key))
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h_cfg.autoboot_list = atoi(kv->val);
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else if (!strcmp("bootwait", kv->key))
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h_cfg.bootwait = atoi(kv->val);
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else if (!strcmp("verification", kv->key))
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h_cfg.verification = atoi(kv->val);
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else if (!strcmp("backlight", kv->key))
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{
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h_cfg.backlight = atoi(kv->val);
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if (h_cfg.backlight <= 20)
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h_cfg.backlight = 30;
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}
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else if (!strcmp("autohosoff", kv->key))
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h_cfg.autohosoff = atoi(kv->val);
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else if (!strcmp("autonogc", kv->key))
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h_cfg.autonogc = atoi(kv->val);
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else if (!strcmp("updater2p", kv->key))
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h_cfg.updater2p = atoi(kv->val);
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else if (!strcmp("brand", kv->key))
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{
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h_cfg.brand = malloc(strlen(kv->val) + 1);
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strcpy(h_cfg.brand, kv->val);
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}
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else if (!strcmp("tagline", kv->key))
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{
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h_cfg.tagline = malloc(strlen(kv->val) + 1);
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strcpy(h_cfg.tagline, kv->val);
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}
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}
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continue;
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}
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}
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}
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}
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}
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void nyx_init_load_res()
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{
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bpmp_mmu_enable();
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bpmp_clk_rate_set(BPMP_CLK_DEFAULT_BOOST);
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// Set bootloader's default configuration.
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set_default_configuration();
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gfx_init_ctxt((u32 *)NYX_FB_ADDRESS, 720, 1280, 720);
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gfx_con_init();
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sd_mount();
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// Train DRAM and switch to max frequency.
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minerva_init();
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load_saved_configuration();
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FIL fp;
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f_open(&fp, "bootloader/sys/res.pak", FA_READ);
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f_read(&fp, (void *)NYX_RES_ADDR, f_size(&fp), NULL);
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f_close(&fp);
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icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch.bmp");
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icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload.bmp");
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icon_lakka = bmp_to_lvimg_obj("bootloader/res/icon_lakka.bmp");
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hekate_bg = bmp_to_lvimg_obj("bootloader/res/background.bmp");
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sd_unmount(false);
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h_cfg.rcm_patched = fuse_check_patched_rcm();
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}
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extern void pivot_stack(u32 stack_top);
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#if (LV_LOG_PRINTF == 1)
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#include "soc/clock.h"
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#include "soc/gpio.h"
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#include "soc/pinmux.h"
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#endif
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void ipl_main()
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{
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//Tegra/Horizon configuration goes to 0x80000000+, package2 goes to 0xA9800000, we place our heap in between.
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heap_init(IPL_HEAP_START);
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b_cfg = (boot_cfg_t *)(nyx_str->hekate + 0x94);
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// Important: Preserve version header!
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__asm__ ("" : : "" (ipl_ver));
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#if (LV_LOG_PRINTF == 1)
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gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_SPIO);
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gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_GPIO);
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pinmux_config_uart(UART_B);
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clock_enable_uart(UART_B);
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uart_init(UART_B, 115200);
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uart_send(UART_B, (u8 *)"Hekate-NYX: Hello!\r\n", 20);
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uart_wait_idle(UART_B, UART_TX_IDLE);
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#endif
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// Initialize the rest of hw and load nyx's resources.
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nyx_init_load_res();
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nyx_load_and_run();
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// Halt BPMP if we managed to get out of execution.
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while (true)
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bpmp_halt();
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}
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