/*---------------------------------------------------------------------------* Project: TwlFirm - nandfirm - menu-launcher2 File: main.c Copyright 2007 Nintendo. All rights reserved. These coded instructions, statements, and computer programs contain proprietary information of Nintendo of America Inc. and/or Nintendo Company Ltd., and are protected by Federal copyright law. They may not be disclosed to third parties or copied or duplicated in any form, in whole or in part, without the prior written consent of Nintendo. $Date:: $ $Rev$ $Author$ *---------------------------------------------------------------------------*/ #include #include #include #ifndef FIRM_USE_TWLSDK_KEYS #define RSA_KEY_ADDR OSi_GetFromFirmAddr()->rsa_pubkey[0] // 鍵管理.xls参照 #else #define RSA_KEY_ADDR rsa_key static const u8 rsa_key[128] = { 0xAC, 0x93, 0xBB, 0x3C, 0x15, 0x5C, 0x5F, 0x25, 0xB0, 0x4C, 0x37, 0xA4, 0x2D, 0x85, 0x29, 0x1D, 0x7A, 0x9D, 0x2D, 0xD5, 0x79, 0xB5, 0x5D, 0xB1, 0x08, 0x20, 0x9C, 0xF0, 0x4C, 0x56, 0x27, 0x97, 0xF8, 0x7E, 0x3E, 0xCB, 0x94, 0x06, 0x05, 0x94, 0x00, 0x92, 0x9B, 0xB0, 0x5B, 0x06, 0xF6, 0xAF, 0xAA, 0x9C, 0xA5, 0xF0, 0x11, 0xA7, 0x8A, 0xCB, 0x0C, 0x11, 0xD6, 0x0C, 0x3D, 0x30, 0xAC, 0x51, 0x79, 0x5A, 0xB5, 0x7F, 0x11, 0x92, 0x74, 0x48, 0x82, 0x81, 0xBF, 0x3B, 0xFA, 0x93, 0xBF, 0x6B, 0x5B, 0x3F, 0x86, 0x96, 0x4F, 0xCC, 0x90, 0x12, 0xB2, 0x39, 0x8D, 0x68, 0x16, 0x7B, 0xC6, 0x87, 0xF1, 0xF5, 0x60, 0x62, 0x39, 0xFB, 0x10, 0x7E, 0x48, 0x7F, 0xDD, 0x82, 0x38, 0x38, 0x76, 0xB5, 0xCE, 0x21, 0x4B, 0xC9, 0x6F, 0x31, 0x8D, 0x23, 0x57, 0x3D, 0xB6, 0x6C, 0xEE, 0xC2, 0x0D, 0x11 }; #endif #define RSA_HEAP_SIZE (4*1024) // RSA用ヒープサイズ (サイズ調整必要) static u8 acHeap[RSA_HEAP_SIZE] __attribute__ ((aligned (32))); static SVCSignHeapContext acPool; #define MENU_TITLE_ID_HI 0x00030007ULL #define MENU_TITLE_ID_LO 0x4c4e4352ULL #define MENU_TITLE_ID (MENU_TITLE_ID_HI << 32 | MENU_TITLE_ID_LO) /* PROFILE_ENABLE を定義するとある程度のパフォーマンスチェックができます。 利用するためには、main.cかどこかに、u32 profile[256]; u32 pf_cnt = 0; を 定義する必要があります。 */ #define PROFILE_ENABLE /* PRINT_MEMORY_ADDR を定義すると、そのアドレスからSPrintfを行います(このファイルのみ) FINALROM版でもコードが残るので注意してください。 */ #define PRINT_MEMORY_ADDR 0x02FFC000 //#ifdef SDK_FINALROM // FINALROMで無効化 //#undef PROFILE_ENABLE //#endif #ifdef PROFILE_ENABLE #define PROFILE_MAX 16 u32 profile[PROFILE_MAX]; u32 pf_cnt = 0; #define PUSH_PROFILE() (profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick())) #else #define PUSH_PROFILE() ((void)0) #endif #ifdef PRINT_MEMORY_ADDR static char* debugPtr = (char*)PRINT_MEMORY_ADDR; #undef OS_TPrintf //#define OS_TPrintf(...) (debugPtr = (char*)((u32)(debugPtr + STD_TSPrintf(debugPtr, __VA_ARGS__) + 0xf) & ~0xf)) #define OS_TPrintf(...) (debugPtr += STD_TSPrintf(debugPtr, __VA_ARGS__)) #endif /*************************************************************** PreInit FromBootの対応＆OS_Init前に必要なメインメモリの初期化 ***************************************************************/ static void PreInit(void) { static const OSMountInfo firmSettings[] = { { 'F', OS_MOUNT_DEVICE_NAND, OS_MOUNT_TGT_ROOT, 0, OS_MOUNT_RSC_WRAM, (OS_MOUNT_USR_R|OS_MOUNT_USR_W), 0, 0, "nand", "/" }, { 0 } }; /* メインメモリ関連 */ // SHARED領域はスタートアップ時でクリア // FS_MOUNT領域の初期化 MI_CpuCopy8(firmSettings, (char*)HW_TWL_FS_MOUNT_INFO_BUF, sizeof(firmSettings)); /* FromBrom関連 */ if ( !OSi_FromBromToMenu() ) { OS_Terminate(); } // ブートタイプの変更 ( (OSBootInfo *)OS_GetBootInfo() )->boot_type = OS_BOOTTYPE_NAND; } /*************************************************************** PostInit 各種初期化 ***************************************************************/ static void PostInit(void) { AES_Init(); // RSA用ヒープ設定 SVC_InitSignHeap( &acPool, acHeap, sizeof(acHeap) ); // HMAC用鍵準備 FS2_SetDigestKey( NULL ); // FS/FATFS初期化 FS_InitFIRM(); } /*************************************************************** TryResolveSrl NANDに格納された情報からランチャーSRLを解決する ***************************************************************/ static BOOL TryResolveSrl(void) { u64 titleId = MENU_TITLE_ID_HI << 32; if ( !LCFG_ReadHWSecureInfo() ) { OS_TPrintf("Failed to load HWSecureInfo.\n"); return FALSE; } LCFG_THW_GetLauncherTitleID_Lo( (u8*)&titleId ); // 4: after LCFG_ReadHWSecureInfo PUSH_PROFILE(); if ( !FS_ResolveSrl( titleId ) ) { OS_TPrintf("Failed to call FS_ResolveSrl( 0x%016llx ).\n", titleId); return FALSE; } OS_TPrintf("Launcher Title ID: 0x%016llx\n", titleId); return TRUE; } /*************************************************************** RetryResolveSrl デフォルト設定からランチャーSRLを解決する ***************************************************************/ static BOOL RetryResolveSrl(void) { if ( !FS_ResolveSrl( MENU_TITLE_ID ) ) { OS_TPrintf("Failed to call FS_ResolveSrl( 0x%016llx ).\n", MENU_TITLE_ID); return FALSE; } OS_TPrintf("Launcher Title ID: 0x%016llx\n", MENU_TITLE_ID); return TRUE; } /*************************************************************** CheckHeader ヘッダがシステムメニューとして問題ないかチェック ***************************************************************/ static BOOL CheckHeader(void) { static ROM_Header_Short* const rhs = (ROM_Header_Short*)HW_TWL_ROM_HEADER_BUF; // イニシャルコードなど OS_TPrintf("Initial Code : %08X (%.4s)\n", *(u32*)rhs->game_code, rhs->game_code); OS_TPrintf("Platform Code : %02X\n", rhs->platform_code); OS_TPrintf("Codec Mode : %s\n", rhs->codec_mode ? "TWL" : "NITRO"); OS_TPrintf("Sigunature : %s\n", rhs->enable_signature ? "AVAILABLE" : "NOT AVAILABLE"); OS_TPrintf("AES Encryption : %s\n", rhs->enable_aes ? "AVAILABLE" : "NOT AVAILABLE"); if ( rhs->enable_aes ) { OS_TPrintf("AES Key Type : %s\n", rhs->developer_encrypt ? "FOR DEVELOPMENT" : "FOR PRODUCT"); } // エントリポイント OS_TPrintf("ARM9 Entry point : %08X\n", rhs->main_entry_address); OS_TPrintf("ARM7 Entry point : %08X\n", rhs->sub_entry_address); // ロード範囲 OS_TPrintf("ARM9 ROM address : %08X\n", rhs->main_rom_offset); OS_TPrintf("ARM9 RAM address : %08X\n", rhs->main_ram_address); OS_TPrintf("ARM9 size : %08X\n", rhs->main_size); OS_TPrintf("ARM7 ROM address : %08X\n", rhs->sub_rom_offset); OS_TPrintf("ARM7 RAM address : %08X\n", rhs->sub_ram_address); OS_TPrintf("ARM7 size : %08X\n", rhs->sub_size); OS_TPrintf("ARM9 LTD ROM address: %08X\n", rhs->main_ltd_rom_offset); OS_TPrintf("ARM9 LTD RAM address: %08X\n", rhs->main_ltd_ram_address); OS_TPrintf("ARM9 LTD size : %08X\n", rhs->main_ltd_size); OS_TPrintf("ARM7 LTD ROM address: %08X\n", rhs->sub_ltd_rom_offset); OS_TPrintf("ARM7 LTD RAM address: %08X\n", rhs->sub_ltd_ram_address); OS_TPrintf("ARM7 LTD size : %08X\n", rhs->sub_ltd_size); // 順序ほぼ最適化済み if ( rhs->platform_code != PLATFORM_CODE_TWL_LIMITED || // TWL Limited only !rhs->codec_mode || // TWL mode only !rhs->enable_signature || // Should be use ROM header signature (rhs->titleID_Hi & 0x0005) != 0x0005 || // check only NAND/SYSTEM bits (need?) // should be in main memory HW_TWL_MAIN_MEM > (u32)rhs->main_ram_address || HW_TWL_MAIN_MEM > (u32)rhs->sub_ram_address || HW_TWL_MAIN_MEM > (u32)rhs->main_ltd_ram_address || HW_TWL_MAIN_MEM > (u32)rhs->sub_ltd_ram_address || // should be in static area without Limited region (u32)rhs->main_ram_address > (u32)rhs->main_entry_address || (u32)rhs->sub_ram_address > (u32)rhs->sub_entry_address || // should be in main memory (end address) HW_TWL_MAIN_MEM_END <= (u32)rhs->main_ram_address + rhs->main_size || HW_TWL_MAIN_MEM_END <= (u32)rhs->sub_ram_address + rhs->sub_size || HW_TWL_MAIN_MEM_END <= (u32)rhs->main_ltd_ram_address + rhs->main_ltd_size || HW_TWL_MAIN_MEM_END <= (u32)rhs->sub_ltd_ram_address + rhs->sub_ltd_size || // should be in static area without Limited region (end address) (u32)rhs->main_ram_address + rhs->main_size <= (u32)rhs->main_entry_address || (u32)rhs->sub_ram_address + rhs->sub_size <= (u32)rhs->sub_entry_address || 0 ) { OS_TPrintf("Invalid ROM header for MENU Launcher!\n"); return FALSE; } return TRUE; } /*************************************************************** EraseAll 不正終了しました いろいろ消してください DSモードにして終わるのがよいか？ ***************************************************************/ static void EraseAll(void) { MI_CpuClearFast( OSi_GetFromFirmAddr(), sizeof(OSFromFirmBuf) ); #ifdef SDK_FINALROM MI_CpuClearFast( (void*)HW_TWL_ROM_HEADER_BUF, HW_TWL_ROM_HEADER_BUF_SIZE ); MI_CpuClearFast( (void*)HW_ROM_HEADER_BUF, HW_ROM_HEADER_BUF_END-HW_ROM_HEADER_BUF ); OS_BootFromFIRM(); #endif } void TwlMain( void ) { FSFile file; #ifdef PROFILE_ENABLE // 0: bootrom profile[pf_cnt++] = OS_TicksToMicroSecondsBROM32(OS_GetTick()); #endif PreInit(); #ifdef PROFILE_ENABLE // 1: before OS_InitFIRM profile[pf_cnt++] = OS_TicksToMicroSecondsBROM32(OS_GetTick()); #endif OS_InitFIRM(); OS_EnableIrq(); OS_EnableInterrupts(); #ifdef PROFILE_ENABLE // 2: before OS_InitTick profile[pf_cnt++] = OS_TicksToMicroSecondsBROM32(OS_GetTick()); OS_InitTick(); #endif PostInit(); // 3: after PostInit PUSH_PROFILE(); if ( !TryResolveSrl() && !RetryResolveSrl() ) { goto end; } // 5: after FS_ResolveSrl PUSH_PROFILE(); if ( !FS2_OpenSrl( &file ) ) { OS_TPrintf("Failed to call FS_OpenSrl().\n"); goto end; } // 6: after FS_OpenSrl PUSH_PROFILE(); if ( !FS2_LoadHeader( &file, &acPool, RSA_KEY_ADDR ) || !CheckHeader() ) { OS_TPrintf("Failed to call FS2_LoadHeader() and/or CheckHeader().\n"); goto end; } // 7: after FS2_LoadHeader PUSH_PROFILE(); PXI_NotifyID( FIRM_PXI_ID_DONE_HEADER ); // 8: after PXI PUSH_PROFILE(); if ( !FS2_LoadStatic( &file ) ) { OS_TPrintf("Failed to call FS2_LoadStatic().\n"); goto end; } // 9: after FS2_LoadStatic PUSH_PROFILE(); PXI_NotifyID( FIRM_PXI_ID_DONE_STATIC ); // 10: after PXI PUSH_PROFILE(); #ifdef PROFILE_ENABLE { int i; OS_TPrintf("\n[ARM9] Begin\n"); for (i = 0; i < PROFILE_MAX; i++) { // OS_TPrintf("0x%08X\n", profile[i]); if ( !profile[i] ) break; OS_TPrintf("%2d: %7d usec", i, profile[i]); if (i) { OS_TPrintf(" ( %7d usec )\n", profile[i]-profile[i-1]); } else { OS_TPrintf("\n"); } } OS_TPrintf("\n[ARM9] End\n"); PXI_NotifyID( FIRM_PXI_ID_NULL ); reg_OS_TM3CNT_H = 0; reg_OS_TM3CNT_L = 0; reg_OS_TM3CNT_H = (u16)(REG_OS_TM0CNT_H_E_MASK | OS_TIMER_PRESCALER_1024); } #endif OS_BootFromFIRM(); end: EraseAll(); // failed PXI_NotifyID( FIRM_PXI_ID_ERR ); PXI_NotifyID( FIRM_PXI_ID_ERR ); PXI_NotifyID( FIRM_PXI_ID_ERR ); PXI_NotifyID( FIRM_PXI_ID_ERR ); OS_Terminate(); }