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https://github.com/rvtr/TwlIPL.git
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894258ca7f
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@220 b08762b0-b915-fc4b-9d8c-17b2551a87ff
260 lines
6.7 KiB
C
260 lines
6.7 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - nandfirm - menu-launcher
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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/mcu.h>
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#include <twl/os/ARM7/debugLED.h>
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#define FATFS_HEAP_SIZE (64*1024) // FATFS用ヒープ (サイズ調整必要)
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#define BOOT_DEVICE FATFS_MEDIA_TYPE_NAND
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#define PARTITION_NO 0 // 対象パーティション
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#define DRIVE_LETTER 'A' // マウント先ドライブ名
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#define DRIVE_NO (DRIVE_LETTER - 'A') // マウント先ドライブ番号
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static u8 fatfsHeap[FATFS_HEAP_SIZE] __attribute__ ((aligned (32)));
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#ifndef SDK_FINALROM
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static u8 step = 0x80;
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#endif
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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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#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 256
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u32 profile[PROFILE_MAX];
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u32 pf_cnt = 0;
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#endif
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/***************************************************************
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PreInit
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FromBootの対応＆メインメモリの初期化
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OS_Init前なので注意 (ARM9によるメインメモリ初期化で消されないように注意)
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***************************************************************/
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static void PreInit(void)
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{
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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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リセットパラメータ(1バイト)を共有領域(4バイト)にコピー
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*/
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*(u32*)HW_RESET_PARAMETER_BUF = (u32)MCUi_ReadRegister( MCU_REG_TEMP_ADDR );
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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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// TODO
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#endif
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}
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/***************************************************************
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Fatfs4nandInit
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FATFS周りの初期化 for NAND
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***************************************************************/
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#if 1 /* 0: FATFS正規品利用版 */
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#else
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extern void* SDNandContext; /* NAND初期化パラメータ */
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extern BOOL FATFSi_rtfs_init( void );
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extern int FATFSi_sdmcInit( int dmaNo );
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extern int FATFSi_nandRtfsAttach( int driveno, int partition );
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static void IdleThreadFunc(void* arg)
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{
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OSThread* pThread = arg;
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OS_EnableInterrupts();
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while (1)
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{
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OS_CheckStack(pThread);
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OS_Halt();
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}
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}
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static void CreateIdleThread(void)
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{
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static u32 stack[32];
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static OSThread idle;
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OS_EnableIrq();
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OS_EnableInterrupts();
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OS_CreateThread(&idle, IdleThreadFunc, &idle, stack + 32, sizeof(stack), 31);
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OS_WakeupThreadDirect(&idle);
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}
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#endif
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static BOOL Fatfs4nandInit(void)
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{
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/* FATFSライブラリ用にカレントヒープに設定 */
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/* WRAM上のfatfsHeapをメインメモリヒープとして登録している */
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{
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OSHeapHandle hh;
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u8 *lo = (u8*)fatfsHeap;
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u8 *hi = (u8*)fatfsHeap + FATFS_HEAP_SIZE;
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lo = OS_InitAlloc(OS_ARENA_MAIN_SUBPRIV, lo, hi, 1);
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OS_SetArenaLo(OS_ARENA_MAIN_SUBPRIV, lo);
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hh = OS_CreateHeap(OS_ARENA_MAIN_SUBPRIV, OS_GetSubPrivArenaLo(), hi);
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OS_SetCurrentHeap(OS_ARENA_MAIN_SUBPRIV, hh);
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}
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OS_SetDebugLED(++step);
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#if 1 /* 0: FATFS正規品利用版 */
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if ( !FATFS_InitFIRM( &(OSi_GetFromFirmAddr()->SDNandContext) ) )
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#else
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SDNandContext = &OSi_GetFromFirmAddr()->SDNandContext;
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CreateIdleThread();
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/* RTFSライブラリを初期化 */
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/* SDドライバ初期化 */
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if( !FATFSi_rtfs_init() || FATFSi_sdmcInit(1) != 0)
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#endif
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{
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return FALSE;
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}
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#ifdef PROFILE_ENABLE
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// 3: after FATFS
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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OS_SetDebugLED(++step);
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#if 1 /* 0: FATFS正規品利用版 */
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if ( !FATFS_MountDriveFIRM( DRIVE_NO, BOOT_DEVICE, PARTITION_NO ) )
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#else
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if ( !FATFSi_nandRtfsAttach( DRIVE_NO, PARTITION_NO ) )
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#endif
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{
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return FALSE;
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}
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#ifdef PROFILE_ENABLE
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// 4: after Mount
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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OS_SetDebugLED(++step);
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PM_BackLightOn( FALSE );
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if ( !FATFS_OpenRecentMenu( DRIVE_NO ) )
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{
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return FALSE;
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}
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return TRUE;
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}
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void TwlSpMain( void )
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{
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// OS_InitDebugLED and OS_SetDebugLED are able to call after OS_Init
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#ifndef SDK_FINALROM
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I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x03, 0x00);
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I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x01, ++step);
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#endif
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PreInit();
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#ifndef SDK_FINALROM
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I2Ci_WriteRegister(I2C_SLAVE_DEBUG_LED, 0x01, ++step);
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#endif
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#ifdef PROFILE_ENABLE
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// 0: before PXI
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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OS_InitFIRM();
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#ifdef PROFILE_ENABLE
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// 1: after PXI
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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OS_SetDebugLED(++step);
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PM_InitFIRM();
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PM_BackLightOn( FALSE );
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#ifdef PROFILE_ENABLE
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// 2: after PM
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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if ( !Fatfs4nandInit() )
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{
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goto end;
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}
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#ifdef PROFILE_ENABLE
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// 5: after Open
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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#endif
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OS_SetDebugLED(++step);
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PM_BackLightOn( FALSE );
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if ( !FATFS_LoadHeader() || !FATFS_LoadStatic() )
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{
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goto end;
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}
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#ifdef PROFILE_ENABLE
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// 127: before Boot
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pf_cnt = PROFILE_MAX-1;
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profile[pf_cnt++] = (u32)OS_TicksToMicroSeconds(OS_GetTick());
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{
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int i;
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PXI_RecvID();
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OS_TPrintf("\n[ARM7] 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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}
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OS_TPrintf("\n[ARM7] End\n");
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}
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#endif
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OS_SetDebugLED(++step);
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PM_BackLightOn( TRUE ); // last chance
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OS_BootFromFIRM();
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end:
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OS_SetDebugLED( (u8)(0xF0 | step));
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EraseAll();
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// failed
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while (1)
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{
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PXI_NotifyID( FIRM_PXI_ID_NULL );
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}
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}
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