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https://github.com/rvtr/TwlIPL.git
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748c81ca26
・スクロールバーの操作感変更。 git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@1616 b08762b0-b915-fc4b-9d8c-17b2551a87ff
292 lines
7.9 KiB
C
292 lines
7.9 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlIPL
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File: SYSM_lib.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 <twl.h>
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#include <twl/nam.h>
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#include <sysmenu/banner.h>
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// define data-----------------------------------------------------------------
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typedef struct BannerCheckParam {
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u8 *pSrc;
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u32 size;
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}BannerCheckParam;
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#define MEASURE_BANNER_LOAD_TIME 0
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// extern data-----------------------------------------------------------------
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// function's prototype-------------------------------------------------------
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// global variable-------------------------------------------------------------
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// static variable-------------------------------------------------------------
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// const data------------------------------------------------------------------
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// ============================================================================
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//
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// バナー
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//
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// ============================================================================
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// カードアプリバナーリード
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BOOL BANNER_ReadBannerFromCARD( u32 bannerOffset, TWLBannerFile *pBanner )
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{
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BOOL isRead;
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u16 id = (u16)OS_GetLockID();
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// ROMカードからのバナーデータのリード
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DC_FlushRange( pBanner, sizeof(TWLBannerFile) );
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CARD_LockRom( id );
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CARD_ReadRom( 4, (void *)bannerOffset, pBanner, sizeof(TWLBannerFile) );
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CARD_UnlockRom( id );
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OS_ReleaseLockID( id );
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isRead = BANNER_CheckBanner( (TWLBannerFile *)pBanner );
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if( !isRead ) {
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MI_CpuClearFast( pBanner, sizeof(TWLBannerFile) );
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}
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return isRead;
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}
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// NANDアプリバナーリード
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BOOL BANNER_ReadBannerFromNAND( OSTitleId titleID, TWLBannerFile *pDst, TitleListMakerInfo *pTitleListMakerInfo )
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{
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#define PATH_LENGTH 1024
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OSTick start;
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#endif
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FSFile file[1];
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BOOL bSuccess;
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char path[PATH_LENGTH];
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s32 readLen;
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u32 offset;
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ROM_Header_Short hs;
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FS_InitFile(file);
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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start = OS_GetTick();
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#endif
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readLen = NAM_GetTitleBootContentPathFast( path, titleID );
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "NAM_GetTitleBootContentPath : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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#endif
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// ファイルパスを取得
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if(readLen != NAM_OK){
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OS_TPrintf("NAM_GetTitleBootContentPath failed %lld,%d\n", titleID, readLen );
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return FALSE;
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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start = OS_GetTick();
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#endif
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// ファイルオープン
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bSuccess = FS_OpenFileEx(file, path, FS_FILEMODE_R);
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if( ! bSuccess )
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{
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OS_TPrintf("BANNER_GetNandTitleList failed: cant open file %s\n",path);
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return FALSE;
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "OpenFileEX : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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start = OS_GetTick();
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#endif
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readLen = FS_ReadFile(file, &hs, sizeof(hs));
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if( readLen != sizeof(hs) )
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{
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OS_TPrintf("BANNER_GetNandTitleList failed: cant read file\n");
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FS_CloseFile(file);
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return FALSE;
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}
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offset = hs.banner_offset;
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "FS_ReadFile header : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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#endif
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// バナーが存在する場合のみリード
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if( offset ) {
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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start = OS_GetTick();
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#endif
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bSuccess = FS_SeekFile(file, (s32)offset, FS_SEEK_SET);
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if( ! bSuccess )
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{
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OS_TPrintf("BANNER_GetNandTitleList failed: cant seek file(offset)\n");
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FS_CloseFile(file);
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return FALSE;
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "FS_SeekFile banner: %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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start = OS_GetTick();
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#endif
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readLen = FS_ReadFile( file, pDst, (s32)sizeof(TWLBannerFile) );
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if( readLen != (s32)sizeof(TWLBannerFile) )
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{
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OS_TPrintf("BANNER_GetNandTitleList failed: cant read file2\n");
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FS_CloseFile(file);
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return FALSE;
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "FS_ReadFile banner: %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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start = OS_GetTick();
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#endif
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if( !BANNER_CheckBanner( pDst ) )
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{
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// 正当性チェック失敗の場合はバッファクリア
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MI_CpuClearFast( pDst, sizeof(TWLBannerFile) );
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "check banner: %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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#endif
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}else {
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// バナーが存在しない場合はバッファクリア
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MI_CpuClearFast( pDst, sizeof(TWLBannerFile) );
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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start = OS_GetTick();
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#endif
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FS_CloseFile(file);
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "close file : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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start = OS_GetTick();
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#endif
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// サブバナーファイルを読み込んでみる
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if(NAM_OK == NAM_GetTitleBannerFilePath( path, titleID ))
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{
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "NAM_GetTitleBannerFilePath : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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start = OS_GetTick();
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#endif
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if( FS_OpenFileEx(file, path, FS_FILEMODE_R) )
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{
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TWLSubBannerFile subBanner;
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readLen = FS_ReadFile(file, &subBanner, sizeof(TWLSubBannerFile));
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FS_CloseFile(file);
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if( readLen == sizeof(TWLSubBannerFile) )
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{
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// 読み込みには成功したので正当性チェック
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if( BANNER_CheckSubBanner(&subBanner) )
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{
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// 成功したのでコピーする
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pDst->h = subBanner.h;
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pDst->anime = subBanner.anime;
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// OS_TPrintf("BANNER_ReadBanner_NAND : subbanner check succeed. id=%.16x\n", titleID);
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}else
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{
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// OS_TPrintf("BANNER_ReadBanner_NAND : subbanner check failed. id=%.16x\n", titleID);
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}
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}else
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{
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OS_TPrintf("BANNER_ReadBanner_NAND : subbanner read failed. id=%.16x\n", titleID);
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}
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}
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#if (MEASURE_BANNER_LOAD_TIME == 1)
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OS_TPrintf( "open-read-close-check subbanner : %dus\n", OS_TicksToMicroSeconds( OS_GetTick() - start ) );
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#endif
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}
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// タイトルリスト用情報の生成
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if(!SYSM_MakeTitleListMakerInfoFromHeader( pTitleListMakerInfo, &hs ))
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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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// バナーデータの正誤チェック
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BOOL BANNER_CheckBanner( TWLBannerFile *pBanner )
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{
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int i;
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BOOL retval = TRUE;
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u16 calc_crc = 0xffff;
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u16 *pHeaderCRC = (u16 *)&pBanner->h.crc16_v1;
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BannerCheckParam bannerCheckList[ BANNER_VER_NTR_MAX ];
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BannerCheckParam *pChk = &bannerCheckList[ 0 ];
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// NTR互換部分は標準でチェック
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bannerCheckList[ 0 ].pSrc = (u8 *)&( pBanner->v1 );
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bannerCheckList[ 0 ].size = sizeof( BannerFileV1 );
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bannerCheckList[ 1 ].pSrc = (u8 *)&( pBanner->v2 );
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bannerCheckList[ 1 ].size = sizeof( BannerFileV2 );
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bannerCheckList[ 2 ].pSrc = (u8 *)&( pBanner->v3 );
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bannerCheckList[ 2 ].size = sizeof( BannerFileV3 );
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for( i = 0; i < BANNER_VER_NTR_MAX; i++ ) {
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if( i < pBanner->h.version ) {
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calc_crc = SVC_GetCRC16( calc_crc, pChk->pSrc, pChk->size );
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if( calc_crc != *pHeaderCRC++ ) {
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retval = FALSE;
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break;
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}
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}else {
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MI_CpuClear16( pChk->pSrc, pChk->size );
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}
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pChk++;
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}
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// TWLバナーなら、バナーアニメ部もチェック
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if( pBanner->h.platform == BANNER_PLATFORM_TWL ) {
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if( pBanner->h.crc16_anime != SVC_GetCRC16( 0xffff, &pBanner->anime, sizeof(BannerAnime) ) ) {
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retval = FALSE;
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}
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}
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return retval;
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}
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// サブバナーデータの正誤チェック
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BOOL BANNER_CheckSubBanner( TWLSubBannerFile *pBanner )
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{
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BOOL retval = TRUE;
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// アニメ部チェック
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if( pBanner->h.crc16_anime != SVC_GetCRC16( 0xffff, &pBanner->anime, sizeof(BannerAnime) ) ) {
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retval = FALSE;
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}
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return retval;
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}
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