/*---------------------------------------------------------------------------* Project: TwlFirm - nandfirm - sdmc-launcher 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 #ifndef FIRM_USE_TWLSDK_KEYS #define RSA_KEY_ADDR OSi_GetFromFirmAddr()->rsa_pubkey[2] // 鍵管理.xls参照 #else #define RSA_KEY_ADDR rsa_key static const u8 rsa_key[128] = { 0xdf, 0x56, 0x30, 0xc9, 0xae, 0x05, 0x55, 0xe8, 0xdf, 0xbe, 0xe6, 0xb9, 0x30, 0xb9, 0x76, 0x93, 0xb4, 0xc2, 0x20, 0xe7, 0xae, 0x4c, 0x3e, 0xc3, 0xed, 0x27, 0xcf, 0x5d, 0x4f, 0xb5, 0x7d, 0xde, 0x38, 0xbc, 0xfe, 0x25, 0x32, 0xd8, 0x23, 0x98, 0x52, 0xb5, 0xda, 0xf7, 0x39, 0xdc, 0xb3, 0x0a, 0x94, 0x7a, 0x2b, 0x79, 0xe6, 0xe0, 0x4c, 0xbc, 0x21, 0xbd, 0x59, 0xb2, 0xc7, 0xf1, 0xc0, 0xf1, 0xfb, 0x29, 0x75, 0xa1, 0x21, 0x93, 0x01, 0x29, 0x1c, 0x9a, 0xe1, 0x2d, 0x55, 0xfc, 0x7b, 0xb8, 0xcb, 0x07, 0x33, 0xc5, 0x91, 0x0d, 0xc8, 0x45, 0x59, 0xef, 0xbe, 0x58, 0xc7, 0xc1, 0x1d, 0xd5, 0xf2, 0xcf, 0x1f, 0xe0, 0x6d, 0x21, 0x00, 0xcd, 0x42, 0xd8, 0x84, 0x85, 0xe3, 0xb2, 0x02, 0x1a, 0xa5, 0x89, 0x02, 0xa1, 0x96, 0xc6, 0xf7, 0x61, 0x68, 0x66, 0xe6, 0x65, 0x12, 0xb7, 0xf1, 0x49 }; #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; /* Profile */ #ifndef SDK_FINALROM #define PROFILE_MAX 0x100 u32 profile[PROFILE_MAX]; u32 pf_cnt = 0; #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[] = { { 'A', OS_MOUNT_DEVICE_SD, OS_MOUNT_TGT_ROOT, 0, OS_MOUNT_RSC_MMEM, (OS_MOUNT_USR_R|OS_MOUNT_USR_W), 0, 0, "sdmc", "/" }, { 0 } }; /* メインメモリ関連 */ // SHARED領域クリア MI_CpuClearFast((void *)HW_WRAM_EX_LOCK_BUF, (HW_WRAM_EX_LOCK_BUF_END - HW_WRAM_EX_LOCK_BUF)); MI_CpuClearFast((void *)HW_BIOS_EXCP_STACK_MAIN, (HW_REAL_TIME_CLOCK_BUF - HW_BIOS_EXCP_STACK_MAIN)); MI_CpuClearFast((void *)HW_PXI_SIGNAL_PARAM_ARM9, (HW_MMEMCHECKER_MAIN - HW_PXI_SIGNAL_PARAM_ARM9)); MI_CpuClearFast((void*)HW_ROM_HEADER_BUF, (HW_ROM_HEADER_BUF_END-HW_ROM_HEADER_BUF)); // 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(); } } /*************************************************************** PostInit MI_LoadHeader前にかなり(数100msec)時間があるので、可能なら OS_Init後にいろいろ処理したい！ メインメモリの初期化 ***************************************************************/ static void PostInit(void) { /* メインメモリ関連 */ // ARM9領域を全クリア if ( OS_GetResetParameter() ) { MI_CpuClearFast( (void*)HW_FIRM_RESET_BUF_END, HW_TWL_MAIN_MEM_MAIN_END-HW_FIRM_RESET_BUF_END ); } else { MI_CpuClearFast( (void*)HW_MAIN_MEM_MAIN, HW_MAIN_MEM_MAIN_SIZE ); } DC_FlushAll(); } /*************************************************************** 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\n", *(u32*)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 #ifndef FIRM_USE_TWLSDK_KEYS 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 #else if ( // no check #endif // 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 ) { PreInit(); #ifndef SDK_FINALROM // 0: before PXI profile[pf_cnt++] = (u32)OS_TicksToMicroSecondsBROM(OS_GetTick()); #endif OS_InitFIRM(); OS_EnableIrq(); #ifndef SDK_FINALROM OS_InitTick(); // 1: after PXI profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick()); #endif SVC_InitSignHeap( &acPool, acHeap, sizeof(acHeap) ); PostInit(); #ifndef SDK_FINALROM // 2: after PostInit profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick()); #endif // load menu if ( MI_LoadHeader( &acPool, RSA_KEY_ADDR ) && CheckHeader() && MI_LoadStatic() ) { #ifndef SDK_FINALROM // 127: before Boot pf_cnt = PROFILE_MAX-1; profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick()); { int i; OS_TPrintf("\n[ARM9] Begin\n"); for (i = 0; i < PROFILE_MAX; i++) { OS_TPrintf("0x%08X\n", profile[i]); } OS_TPrintf("\n[ARM9] End\n"); PXI_NotifyID( FIRM_PXI_ID_NULL ); } #endif OS_BootFromFIRM(); } 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(); }