mirror of
https://github.com/rvtr/TwlIPL.git
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8f82386277
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@399 b08762b0-b915-fc4b-9d8c-17b2551a87ff
285 lines
8.6 KiB
C
285 lines
8.6 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - nandfirm - menu-launcher2
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File: main.c
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Copyright 2007 Nintendo. All rights reserved.
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These coded instructions, statements, and computer programs contain
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proprietary information of Nintendo of America Inc. and/or Nintendo
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Company Ltd., and are protected by Federal copyright law. They may
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not be disclosed to third parties or copied or duplicated in any form,
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in whole or in part, without the prior written consent of Nintendo.
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$Date:: $
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$Rev$
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$Author$
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*---------------------------------------------------------------------------*/
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#include <firm.h>
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#include <twl/aes.h>
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/* 鍵はどこへ？ */
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#if 0
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#define RSA_KEY_ADDR OSi_GetFromFirmAddr()->rsa_pubkey[7]
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#else
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#define RSA_KEY_ADDR rsa_key
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static const u8 rsa_key[128] =
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{
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0xdf, 0x56, 0x30,
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0xc9, 0xae, 0x05, 0x55, 0xe8, 0xdf, 0xbe, 0xe6, 0xb9, 0x30, 0xb9, 0x76, 0x93, 0xb4, 0xc2, 0x20,
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0xe7, 0xae, 0x4c, 0x3e, 0xc3, 0xed, 0x27, 0xcf, 0x5d, 0x4f, 0xb5, 0x7d, 0xde, 0x38, 0xbc, 0xfe,
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0x25, 0x32, 0xd8, 0x23, 0x98, 0x52, 0xb5, 0xda, 0xf7, 0x39, 0xdc, 0xb3, 0x0a, 0x94, 0x7a, 0x2b,
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0x79, 0xe6, 0xe0, 0x4c, 0xbc, 0x21, 0xbd, 0x59, 0xb2, 0xc7, 0xf1, 0xc0, 0xf1, 0xfb, 0x29, 0x75,
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0xa1, 0x21, 0x93, 0x01, 0x29, 0x1c, 0x9a, 0xe1, 0x2d, 0x55, 0xfc, 0x7b, 0xb8, 0xcb, 0x07, 0x33,
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0xc5, 0x91, 0x0d, 0xc8, 0x45, 0x59, 0xef, 0xbe, 0x58, 0xc7, 0xc1, 0x1d, 0xd5, 0xf2, 0xcf, 0x1f,
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0xe0, 0x6d, 0x21, 0x00, 0xcd, 0x42, 0xd8, 0x84, 0x85, 0xe3, 0xb2, 0x02, 0x1a, 0xa5, 0x89, 0x02,
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0xa1, 0x96, 0xc6, 0xf7, 0x61, 0x68, 0x66, 0xe6, 0x65, 0x12, 0xb7, 0xf1, 0x49
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};
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#endif
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#define RSA_HEAP_SIZE (4*1024) // RSA用ヒープサイズ (サイズ調整必要)
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static u8 acHeap[RSA_HEAP_SIZE] __attribute__ ((aligned (32)));
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static SVCSignHeapContext acPool;
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#define MENU_TITLE_ID 0x000100014c4e4352ULL
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/*
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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。
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利用するためには、main.cかどこかに、u32 profile[256]; u32 pf_cnt = 0; を
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定義する必要があります。
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*/
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#define PROFILE_ENABLE
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/*
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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)
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FINALROM版でもコードが残るので注意してください。
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*/
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#define PRINT_MEMORY_ADDR 0x02000200
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//#ifdef SDK_FINALROM // FINALROMで無効化
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//#undef PROFILE_ENABLE
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//#endif
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#ifdef PROFILE_ENABLE
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#define PROFILE_MAX 16
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u32 profile[PROFILE_MAX];
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u32 pf_cnt = 0;
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#define PUSH_PROFILE() (profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick()))
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#else
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#define PUSH_PROFILE() ((void)0)
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#endif
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#ifdef PRINT_MEMORY_ADDR
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static char* debugPtr = (char*)PRINT_MEMORY_ADDR;
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#undef OS_TPrintf
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#define OS_TPrintf(...) (debugPtr = (char*)((u32)(debugPtr + STD_TSPrintf(debugPtr, __VA_ARGS__) + 0xf) & ~0xf))
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#endif
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/***************************************************************
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PreInit
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FromBootの対応＆OS_Init前に必要なメインメモリの初期化
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***************************************************************/
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static void PreInit(void)
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{
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static const OSMountInfo firmSettings[] =
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{
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{ '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", "/" },
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{ 0 }
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};
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/*
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メインメモリ関連
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*/
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// SHARED領域クリア
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MI_CpuClearFast((void *)HW_WRAM_EX_LOCK_BUF, (HW_WRAM_EX_LOCK_BUF_END - HW_WRAM_EX_LOCK_BUF));
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MI_CpuClearFast((void *)HW_BIOS_EXCP_STACK_MAIN, (HW_REAL_TIME_CLOCK_BUF - HW_BIOS_EXCP_STACK_MAIN));
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MI_CpuClearFast((void *)HW_PXI_SIGNAL_PARAM_ARM9, (HW_MMEMCHECKER_MAIN - HW_PXI_SIGNAL_PARAM_ARM9));
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MI_CpuClearFast((void*)HW_ROM_HEADER_BUF, (HW_ROM_HEADER_BUF_END-HW_ROM_HEADER_BUF));
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// FS_MOUNT領域の初期化
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MI_CpuCopy8(firmSettings, (char*)HW_TWL_FS_MOUNT_INFO_BUF, sizeof(firmSettings));
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/*
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FromBrom関連
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*/
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if ( !OSi_FromBromToMenu() )
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{
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OS_Terminate();
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}
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}
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/***************************************************************
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PostInit
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各種初期化
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***************************************************************/
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static void PostInit(void)
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{
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AES_Init();
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// RSA用ヒープ設定
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SVC_InitSignHeap( &acPool, acHeap, sizeof(acHeap) );
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// HMAC用鍵準備
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FS_SetDigestKey( NULL );
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// FS/FATFS初期化
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FS_InitFIRM();
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}
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/***************************************************************
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CheckHeader
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ヘッダがシステムメニューとして問題ないかチェック
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先頭32Bは固定値と思われ (リマスターバージョンは違うかな)
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***************************************************************/
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static BOOL CheckHeader(void)
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{
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static ROM_Header_Short* const rhs = (ROM_Header_Short*)HW_TWL_ROM_HEADER_BUF;
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// TODO
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// イニシャルコード
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OS_TPrintf("Initial Code : %08X\n", *(u32*)rhs->game_code);
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// エントリポイント
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OS_TPrintf("ARM9 Entry point : %08X\n", rhs->main_entry_address);
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OS_TPrintf("ARM7 Entry point : %08X\n", rhs->sub_entry_address);
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// ロード範囲
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OS_TPrintf("ARM9 ROM address : %08X\n", rhs->main_rom_offset);
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OS_TPrintf("ARM9 RAM address : %08X\n", rhs->main_ram_address);
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OS_TPrintf("ARM9 size : %08X\n", rhs->main_size);
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OS_TPrintf("ARM7 ROM address : %08X\n", rhs->sub_rom_offset);
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OS_TPrintf("ARM7 RAM address : %08X\n", rhs->sub_ram_address);
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OS_TPrintf("ARM7 size : %08X\n", rhs->sub_size);
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OS_TPrintf("ARM9 LTD ROM address: %08X\n", rhs->main_ltd_rom_offset);
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OS_TPrintf("ARM9 LTD RAM address: %08X\n", rhs->main_ltd_ram_address);
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OS_TPrintf("ARM9 LTD size : %08X\n", rhs->main_ltd_size);
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OS_TPrintf("ARM7 LTD ROM address: %08X\n", rhs->sub_ltd_rom_offset);
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OS_TPrintf("ARM7 LTD RAM address: %08X\n", rhs->sub_ltd_ram_address);
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OS_TPrintf("ARM7 LTD size : %08X\n", rhs->sub_ltd_size);
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return TRUE;
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}
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/***************************************************************
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EraseAll
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不正終了しました
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いろいろ消してください
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DSモードにして終わるのがよいか？
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***************************************************************/
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static void EraseAll(void)
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{
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#ifdef SDK_FINALROM
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MI_CpuClearFast( (void*)HW_TWL_ROM_HEADER_BUF, HW_TWL_ROM_HEADER_BUF_SIZE );
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OS_BootFromFIRM();
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#endif
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}
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void TwlMain( void )
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{
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FSFile file;
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PreInit();
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// 0: before PXI
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PUSH_PROFILE();
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OS_InitFIRM();
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OS_EnableIrq();
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OS_EnableInterrupts();
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#ifdef PROFILE_ENABLE
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OS_InitTick();
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#endif
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// 1: after PXI
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PUSH_PROFILE();
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PXI_NotifyID( FIRM_PXI_ID_NULL );
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PostInit();
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// 2: after PostInit
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PUSH_PROFILE();
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PXI_NotifyID( FIRM_PXI_ID_NULL );
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if ( !FS_ResolveSrl( MENU_TITLE_ID ) )
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{
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OS_TPrintf("Failed to call FS_ResolveSrl( 0x%016llx ).\n", MENU_TITLE_ID);
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goto end;
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}
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// 3: after FS_ResolveSrl
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PUSH_PROFILE();
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if ( !FS_OpenSrl( &file ) )
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{
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OS_TPrintf("Failed to call FS_OpenSrl().\n");
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goto end;
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}
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// 4: after FS_OpenSrl
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PUSH_PROFILE();
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if ( !FS_LoadSrlHeader( &file, &acPool, RSA_KEY_ADDR ) || !CheckHeader() )
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{
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OS_TPrintf("Failed to call FS_LoadSrlHeader() and/or CheckHeader().\n");
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goto end;
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}
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// 5: after FS_LoadSrlHeader
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PUSH_PROFILE();
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PXI_NotifyID( FIRM_PXI_ID_DONE_HEADER );
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// 6: after PXI
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PUSH_PROFILE();
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AESi_SendSeed( FS_GetAesKeySeed() );
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// 7: after AESi_SendSeed
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PUSH_PROFILE();
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if ( !FS_LoadSrlStatic( &file ) )
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{
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OS_TPrintf("Failed to call FS_LoadSrlStatic().\n");
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goto end;
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}
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// 8: after FS_LoadSrlStatic
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PUSH_PROFILE();
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PXI_NotifyID( FIRM_PXI_ID_DONE_STATIC );
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// 9: after PXI
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PUSH_PROFILE();
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#ifdef PROFILE_ENABLE
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{
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int i;
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OS_TPrintf("\n[ARM9] Begin\n");
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for (i = 0; i < PROFILE_MAX; i++)
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{
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// OS_TPrintf("0x%08X\n", profile[i]);
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if ( !profile[i] ) break;
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OS_TPrintf("%2d: %7d usec", i, profile[i]);
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if (i)
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{
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OS_TPrintf(" ( %7d usec )\n", profile[i]-profile[i-1]);
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}
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else
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{
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OS_TPrintf("\n");
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}
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}
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OS_TPrintf("\n[ARM9] End\n");
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PXI_NotifyID( FIRM_PXI_ID_NULL );
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}
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#endif
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OS_BootFromFIRM();
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end:
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EraseAll();
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// failed
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PXI_NotifyID( FIRM_PXI_ID_ERR );
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PXI_NotifyID( FIRM_PXI_ID_ERR );
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PXI_NotifyID( FIRM_PXI_ID_ERR );
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PXI_NotifyID( FIRM_PXI_ID_ERR );
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OS_Terminate();
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}
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