int rxMode(int emu) { wchar_t path[64]; const char *shstrtab; const wchar_t *msg; uint8_t keyx[16]; uint32_t tid; int r, sector; Elf32_Ehdr *ehdr; Elf32_Shdr *shdr, *btm; void *keyxArg; FIL fd; UINT br, fsz; if (emu) { sector = checkEmuNAND(); if (sector == 0) { ConsoleInit(); ConsoleSetTitle(L"EMUNAND NOT FOUND!"); print(L"The emunand was not found on\n"); print(L"your SDCard. \n"); print(L"\n"); print(L"Press A to boot SYSNAND\n"); ConsoleShow(); WaitForButton(BUTTON_A); swprintf(path, _MAX_LFN, L"/rxTools/Theme/%u/boot.bin", cfgs[CFG_THEME].val.i); DrawBottomSplash(path); } } else sector = 0; r = getMpInfo(); switch (r) { case MPINFO_KTR: tid = TID_KTR_NATIVE_FIRM; break; case MPINFO_CTR: tid = TID_CTR_NATIVE_FIRM; break; default: msg = L"Unknown Platform: %d"; goto fail; } setAgbBios(); if (sysver < 7 && f_open(&fd, _T("slot0x25KeyX.bin"), FA_READ) == FR_OK) { f_read(&fd, keyx, sizeof(keyx), &br); f_close(&fd); keyxArg = keyx; } else keyxArg = NULL; getFirmPath(path, tid); r = loadFirm(path, &fsz); if (r) { msg = L"Failed to load NATIVE_FIRM: %d\n" L"Reboot rxTools and try again.\n"; goto fail; } ((FirmHdr *)FIRM_ADDR)->arm9Entry = 0x0801B01C; getFirmPatchPath(path, tid); r = f_open(&fd, path, FA_READ); if (r != FR_OK) goto patchFail; r = f_read(&fd, (void *)PATCH_ADDR, PATCH_SIZE, &br); if (r != FR_OK) goto patchFail; f_close(&fd); ehdr = (void *)PATCH_ADDR; shdr = (void *)(PATCH_ADDR + ehdr->e_shoff); shstrtab = (char *)PATCH_ADDR + shdr[ehdr->e_shstrndx].sh_offset; for (btm = shdr + ehdr->e_shnum; shdr != btm; shdr++) { if (!strcmp(shstrtab + shdr->sh_name, ".patch.p9.reboot.body")) { execReboot(sector, keyxArg, ehdr->e_entry, shdr); __builtin_unreachable(); } } msg = L".patch.p9.reboot.body not found\n" L"Please check your installation.\n"; fail: ConsoleInit(); ConsoleSetTitle(L"rxMode"); print(msg, r); print(L"\n"); print(strings[STR_PRESS_BUTTON_ACTION], strings[STR_BUTTON_A], strings[STR_CONTINUE]); ConsoleShow(); WaitForButton(BUTTON_A); return r; patchFail: msg = L"Failed to load the patch: %d\n" L"Check your installation.\n"; goto fail; }
int rxMode(int emu) { const Elf32_Addr line = 32; wchar_t path[64]; const char *shstrtab; const wchar_t *msg; uint8_t keyx[16]; uint32_t tid; int r, sector; Elf32_Ehdr *ehdr; Elf32_Shdr *shdr, *btmShdr; Elf32_Addr cur, btm; void *keyxArg; FIL fd; UINT br, fsz; if (emu) { sector = checkEmuNAND(); if (sector == 0) { ConsoleInit(); ConsoleSetTitle(L"EMUNAND NOT FOUND!"); print(L"The emunand was not found on\n"); print(L"your SDCard. \n"); print(L"\n"); print(L"Press A to boot SYSNAND\n"); ConsoleShow(); WaitForButton(BUTTON_A); swprintf(path, _MAX_LFN, L"/rxTools/Theme/%u/boot.bin", cfgs[CFG_THEME].val.i); DrawBottomSplash(path); } } else sector = 0; r = getMpInfo(); switch (r) { case MPINFO_KTR: tid = TID_KTR_NATIVE_FIRM; break; case MPINFO_CTR: tid = TID_CTR_NATIVE_FIRM; break; default: msg = L"Unknown Platform: %d"; goto fail; } setAgbBios(); if (sysver < 7 && f_open(&fd, _T("slot0x25KeyX.bin"), FA_READ) == FR_OK) { f_read(&fd, keyx, sizeof(keyx), &br); f_close(&fd); keyxArg = keyx; } else keyxArg = NULL; getFirmPath(path, tid); r = loadFirm(path, &fsz); if (r) { msg = L"Failed to load NATIVE_FIRM: %d\n" L"Reboot rxTools and try again.\n"; goto fail; } ((FirmHdr *)FIRM_ADDR)->arm9Entry = 0x0801B01C; getFirmPatchPath(path, tid); r = f_open(&fd, path, FA_READ); if (r != FR_OK) goto patchFail; r = f_read(&fd, (void *)PATCH_ADDR, PATCH_SIZE, &br); if (r != FR_OK) goto patchFail; f_close(&fd); ehdr = (void *)PATCH_ADDR; shdr = (void *)(PATCH_ADDR + ehdr->e_shoff); shstrtab = (char *)PATCH_ADDR + shdr[ehdr->e_shstrndx].sh_offset; for (btmShdr = shdr + ehdr->e_shnum; shdr != btmShdr; shdr++) { if (!strcmp(shstrtab + shdr->sh_name, ".patch.p9.reboot.body")) { memcpy((void *)ehdr->e_entry, (void *)(PATCH_ADDR + shdr->sh_offset), shdr->sh_size); // Drain write buffer __asm__ volatile ("mcr p15, 0, %0, c7, c10, 4" :: "r"(0)); cur = ehdr->e_entry & ~(line - 1); btm = ehdr->e_entry + shdr->sh_size; while (cur < btm) { __asm__ volatile ( // Clean Dcache "mcr p15, 0, %0, c7, c10, 1\n\t" // Flush Icache "mcr p15, 0, %0, c7, c5, 1" :: "r"(cur)); cur += line; } ((void (*)(uint32_t, void *, uintptr_t))ehdr->e_entry)( sector, keyxArg, 0x1FFFFFF8); __builtin_unreachable(); } }