mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-09-19 21:43:40 +01:00
82 lines
1.6 KiB
C
82 lines
1.6 KiB
C
#include "external_utils.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "../gfx/di.h"
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#include "../gfx/gfx.h"
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#include "../utils/btn.h"
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#include "../utils/util.h"
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#include "utils.h"
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#include "../libs/fatfs/ff.h"
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#include "../storage/sdmmc.h"
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#include "graphics.h"
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#include "../soc/hw_init.h"
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#include "../mem/emc.h"
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#include "../mem/sdram.h"
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#include "../soc/t210.h"
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#include "../sec/se.h"
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#include "../utils/types.h"
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#include "../keys/key_sources.inl"
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extern void reloc_patcher(u32 payload_dst, u32 payload_src, u32 payload_size);
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extern boot_cfg_t b_cfg;
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extern bool sd_mount();
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extern void sd_unmount();
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int launch_payload(char *path, bool update)
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{
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if (!update) gfx_clear_grey(0x1B);
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gfx_con_setpos(0, 0);
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if (!path)
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return 1;
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if (sd_mount()){
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FIL fp;
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if (f_open(&fp, path, FA_READ)){
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EPRINTF("Payload missing!\n");
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return 2;
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}
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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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f_close(&fp);
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return 3;
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}
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f_close(&fp);
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sd_unmount();
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if (size < 0x30000){
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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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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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void (*update_ptr)() = (void *)RCM_PAYLOAD_ADDR;
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msleep(100);
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if (!update)
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(*ext_payload_ptr)();
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else {
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EMC(EMC_SCRATCH0) |= EMC_HEKA_UPD;
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(*update_ptr)();
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}
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}
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return 4;
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} |