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https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-08 13:11:54 +00:00
Add (Broken) payload launching
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parent
819d08415d
commit
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5 changed files with 113 additions and 6 deletions
81
source/meme/external_utils.c
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81
source/meme/external_utils.c
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@ -0,0 +1,81 @@
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#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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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, int update){
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if (!update)
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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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return 2;
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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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f_close(&fp);
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return 3;
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}
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f_close(&fp);
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free(path);
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if (size < 0x30000){
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if (update)
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memcpy((u8 *)(RCM_PAYLOAD_ADDR + PATCHED_RELOC_SZ), &b_cfg, sizeof(boot_cfg_t)); // Transfer boot cfg.
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else
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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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// Launch our payload.
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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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}
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15
source/meme/external_utils.h
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15
source/meme/external_utils.h
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#pragma once
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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 0xC03C0000
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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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#define EMC_BASE 0x7001B000
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#define EMC(off) _REG(EMC_BASE, off)
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int launch_payload(char *path, int update);
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@ -7,20 +7,28 @@
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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 "external_utils.h"
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int _openfilemenu(const char *path, char *clipboardpath){
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int _openfilemenu(char *path, char *clipboardpath){
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meme_clearscreen();
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FILINFO fno;
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f_stat(path, &fno);
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char *options[4];
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char *options[5];
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int res = 0;
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int mres = -1;
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int ret = -1;
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int i = 4;
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bool payload = false;
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addchartoarray("Back", options, 0);
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addchartoarray("Copy to clipboard", options, 1);
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addchartoarray("Move to clipboard", options, 2);
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addchartoarray("Delete file", options, 3);
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if (strstr(path, ".bin") != NULL){
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addchartoarray("Launch payload", options, i);
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payload = true;
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i++;
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}
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gfx_printf("%kPath: %s%k\n\n", COLOR_GREEN, path, COLOR_WHITE);
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@ -29,8 +37,10 @@ int _openfilemenu(const char *path, char *clipboardpath){
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gfx_printf("Size: %s", size);
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res = gfx_menulist(160, options, 4);
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res = gfx_menulist(160, options, i);
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switch(res){
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case 1:
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break;
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case 2:
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ret = 0;
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strcpy(clipboardpath, path);
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@ -44,7 +54,7 @@ int _openfilemenu(const char *path, char *clipboardpath){
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if (mres == 0) f_unlink(path);
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break;
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default:
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break;
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if (payload) launch_payload(path, 0);
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}
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meme_clearscreen();
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@ -10,6 +10,7 @@
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#include "../storage/sdmmc.h"
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#include "graphics.h"
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void utils_gfx_init(){
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display_backlight_brightness(100, 1000);
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gfx_clear_grey(0x1B);
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@ -28,7 +29,7 @@ void addpartpath(char *path, char *add){
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strcat(path, add);
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}
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void return_readable_byte_amounts(int size, char *in){
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void return_readable_byte_amounts(unsigned long int size, char *in){
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char type[3];
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unsigned long int sizetemp = size;
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int muhbytes = 0;
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@ -15,5 +15,5 @@ int readfolder(char *items[], unsigned int *muhbits, const char *path);
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int copy(const char *src, const char *dst);
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void addchartoarray(char *add, char *items[], int spot);
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int copywithpath(const char *src, const char *dstpath, int mode);
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void return_readable_byte_amounts(int size, char *in);
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void return_readable_byte_amounts(unsigned long int size, char *in);
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int getfilesize(const char *path);
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