TwlIPL/build/nandfirm/menu-launcher/ARM9/main.c
yutaka 1b8ad74573 微修正
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@475 b08762b0-b915-fc4b-9d8c-17b2551a87ff
2008-01-16 09:48:34 +00:00

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/*---------------------------------------------------------------------------*
Project: TwlFirm - nandfirm - menu-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 <firm.h>
#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 0x000300074c4e4352ULL
/*
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 0x02000200
//#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
各種初期化
***************************************************************/
static void PostInit(void)
{
// RSA用ヒープ設定
SVC_InitSignHeap( &acPool, acHeap, sizeof(acHeap) );
// HMAC用鍵準備
FS_SetDigestKey( NULL );
// FS/FATFS初期化
FS_InitFIRM();
}
/***************************************************************
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
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 )
{
PreInit();
// 0: before PXI
PUSH_PROFILE();
OS_InitFIRM();
OS_EnableIrq();
OS_EnableInterrupts();
#ifdef PROFILE_ENABLE
OS_InitTick();
#endif
// 1: after PXI
PUSH_PROFILE();
PostInit();
// 2: after PostInit
PUSH_PROFILE();
if ( !FS_ResolveSrl( MENU_TITLE_ID ) )
{
OS_TPrintf("Failed to call FS_ResolveSrl( 0x%016llx ).\n", MENU_TITLE_ID);
goto end;
}
// 3: after FS_ResolveSrl
PUSH_PROFILE();
PXI_NotifyID( FIRM_PXI_ID_SET_PATH );
// 4: after PXI
PUSH_PROFILE();
if ( !FS_LoadHeader(&acPool, RSA_KEY_ADDR ) || !CheckHeader() )
{
OS_TPrintf("Failed to call FS_LoadHeader() and/or CheckHeader().\n");
goto end;
}
// 5: after FS_LoadHeader
PUSH_PROFILE();
PXI_NotifyID( FIRM_PXI_ID_DONE_HEADER );
// 6: after PXI
PUSH_PROFILE();
AESi_SendSeed( FS_GetAesKeySeed() );
FS_DeleteAesKeySeed();
// 7: after AESi_SendSeed
PUSH_PROFILE();
if ( !FS_LoadStatic() )
{
OS_TPrintf("Failed to call FS_LoadStatic().\n");
goto end;
}
// 8: after FS_LoadStatic
PUSH_PROFILE();
PXI_NotifyID( FIRM_PXI_ID_DONE_STATIC );
// 9: 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 );
}
#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();
}