mirror of
https://github.com/CTCaer/hekate
synced 2024-09-07 08:39:00 +00:00
467 lines
11 KiB
C
467 lines
11 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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*
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* Copyright (c) 2018-2021 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 <memory_map.h>
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#include "config.h"
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#include <display/di.h>
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#include <gfx_utils.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/clock.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/pinmux.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/nx_emmc.h"
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#include <storage/nx_sd.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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#ifdef MENU_LOGO_ENABLE
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u8 *Kc_MENU_LOGO;
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#endif //MENU_LOGO_ENABLE
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nyx_config n_cfg;
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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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char *emmcsn_path_impl(char *path, char *sub_dir, char *filename, sdmmc_storage_t *storage)
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{
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static char emmc_sn[9] = {0};
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// Check if eMMC S/N storage has valid data and skip parsing in that case.
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if (emmc_sn[0] && strcmp(emmc_sn, "00000000"))
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goto create_dir;
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// Get actual eMMC S/N.
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if (!storage)
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{
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if (!sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, SDMMC_BUS_WIDTH_8, SDHCI_TIMING_MMC_HS400))
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strcpy(emmc_sn, "00000000");
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else
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{
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itoa(emmc_storage.cid.serial, emmc_sn, 16);
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sdmmc_storage_end(&emmc_storage);
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}
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}
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else
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itoa(storage->cid.serial, emmc_sn, 16);
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create_dir:
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// Check if only eMMC S/N was requested.
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if (!path)
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return emmc_sn;
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// Create main folder.
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strcpy(path, "backup");
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f_mkdir(path);
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// Create eMMC S/N folder.
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strcat(path, "/");
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strcat(path, emmc_sn);
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f_mkdir(path);
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// Create sub folder if defined. Dir slash must be included.
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strcat(path, sub_dir); // Can be a null-terminator.
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if (strlen(sub_dir))
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f_mkdir(path);
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// Add filename.
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strcat(path, "/");
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strcat(path, filename); // Can be a null-terminator.
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return emmc_sn;
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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_END_ADDR 0xD0000000
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#define CBFS_DRAM_EN_ADDR 0x4003e000
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#define CBFS_DRAM_MAGIC 0x4452414D // "DRAM"
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static void *coreboot_addr;
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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_str->hekate, 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)), 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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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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{
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coreboot_addr = (void *)(COREBOOT_END_ADDR - size);
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buf = coreboot_addr;
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if (h_cfg.t210b01)
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{
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f_close(&fp);
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EPRINTF("Coreboot not allowed on Mariko!");
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goto out;
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}
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}
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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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goto out;
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}
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f_close(&fp);
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sd_end();
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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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hw_reinit_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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hw_reinit_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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sd_unmount();
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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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LIST_INIT(ini_nyx_sections);
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// Load hekate configuration.
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if (ini_parse(&ini_sections, "bootloader/hekate_ipl.ini", false))
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{
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LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_sections, link)
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{
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// Only parse config section.
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if (ini_sec->type == INI_CHOICE && !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("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("bootprotect", kv->key))
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h_cfg.bootprotect = atoi(kv->val);
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}
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break;
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}
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}
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}
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// Load Nyx configuration.
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if (ini_parse(&ini_nyx_sections, "bootloader/nyx.ini", false))
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{
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LIST_FOREACH_ENTRY(ini_sec_t, ini_sec, &ini_nyx_sections, link)
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{
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// Only parse config section.
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if (ini_sec->type == INI_CHOICE && !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("themecolor", kv->key))
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n_cfg.themecolor = atoi(kv->val);
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else if (!strcmp("timeoff", kv->key))
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n_cfg.timeoff = strtol(kv->val, NULL, 16);
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else if (!strcmp("homescreen", kv->key))
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n_cfg.home_screen = atoi(kv->val);
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else if (!strcmp("verification", kv->key))
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n_cfg.verification = atoi(kv->val);
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else if (!strcmp("umsemmcrw", kv->key))
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n_cfg.ums_emmc_rw = atoi(kv->val) == 1;
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else if (!strcmp("jcdisable", kv->key))
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n_cfg.jc_disable = atoi(kv->val) == 1;
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else if (!strcmp("newpowersave", kv->key))
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n_cfg.new_powersave = atoi(kv->val) == 1;
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}
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break;
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}
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}
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}
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}
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#define EXCP_EN_ADDR 0x4003FFFC
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#define EXCP_MAGIC 0x30505645 // EVP0
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#define EXCP_TYPE_ADDR 0x4003FFF8
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#define EXCP_TYPE_RESET 0x545352 // RST
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#define EXCP_TYPE_UNDEF 0x464455 // UDF
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#define EXCP_TYPE_PABRT 0x54424150 // PABT
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#define EXCP_TYPE_DABRT 0x54424144 // DABT
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#define EXCP_LR_ADDR 0x4003FFF4
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static void _show_errors()
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{
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u32 *excp_enabled = (u32 *)EXCP_EN_ADDR;
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u32 *excp_type = (u32 *)EXCP_TYPE_ADDR;
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u32 *excp_lr = (u32 *)EXCP_LR_ADDR;
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if (*excp_enabled == EXCP_MAGIC)
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{
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gfx_clear_grey(0);
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gfx_con_setpos(0, 0);
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display_backlight_brightness(100, 1000);
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display_activate_console();
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WPRINTFARGS("An exception occurred (LR %08X):\n", *excp_lr);
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switch (*excp_type)
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{
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case EXCP_TYPE_RESET:
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WPRINTF("RESET");
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break;
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case EXCP_TYPE_UNDEF:
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WPRINTF("UNDEF");
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break;
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case EXCP_TYPE_PABRT:
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WPRINTF("PABRT");
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break;
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case EXCP_TYPE_DABRT:
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WPRINTF("DABRT");
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break;
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}
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WPRINTF("\n");
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// Clear the exception.
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*excp_lr = 0;
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*excp_type = 0;
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*excp_enabled = 0;
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WPRINTF("Press any key...");
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msleep(2000);
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btn_wait();
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reload_nyx();
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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_get();
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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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set_nyx_default_configuration();
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// Reset new info if magic not correct.
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if (nyx_str->info.magic != NYX_NEW_INFO)
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{
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nyx_str->info.sd_init = 0;
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for (u32 i = 0; i < 3; i++)
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nyx_str->info.sd_errors[i] = 0;
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}
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// Clear info magic.
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nyx_str->info.magic = 0;
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// Set display id from previous initialization.
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display_set_decoded_panel_id(nyx_str->info.disp_id);
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// Initialize gfx console.
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gfx_init_ctxt((u32 *)LOG_FB_ADDRESS, 1280, 656, 656);
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gfx_con_init();
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// Show exception errors if any.
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_show_errors();
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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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if (!f_open(&fp, "bootloader/sys/res.pak", FA_READ))
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{
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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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}
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// If no custom switch icon exists, load normal.
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if (f_stat("bootloader/res/icon_switch_custom.bmp", NULL))
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icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch.bmp");
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else
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icon_switch = bmp_to_lvimg_obj("bootloader/res/icon_switch_custom.bmp");
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// If no custom payload icon exists, load normal.
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if (f_stat("bootloader/res/icon_payload_custom.bmp", NULL))
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icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload.bmp");
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else
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icon_payload = bmp_to_lvimg_obj("bootloader/res/icon_payload_custom.bmp");
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// Load background resource if any.
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hekate_bg = bmp_to_lvimg_obj("bootloader/res/background.bmp");
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sd_unmount();
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}
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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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#ifdef DEBUG_UART_PORT
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#if DEBUG_UART_PORT == UART_B
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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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#endif
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#if DEBUG_UART_PORT == UART_C
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gpio_config(GPIO_PORT_G, GPIO_PIN_0, GPIO_MODE_GPIO);
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gpio_config(GPIO_PORT_D, GPIO_PIN_1, GPIO_MODE_SPIO);
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#endif
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pinmux_config_uart(DEBUG_UART_PORT);
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clock_enable_uart(DEBUG_UART_PORT);
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uart_init(DEBUG_UART_PORT, DEBUG_UART_BAUDRATE);
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uart_invert(DEBUG_UART_PORT, DEBUG_UART_INVERT, UART_INVERT_TXD);
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uart_send(DEBUG_UART_PORT, (u8 *)"hekate-NYX: Hello!\r\n", 20);
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uart_wait_idle(DEBUG_UART_PORT, 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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