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git-svn-id: file:///Volumes/Transfer/gigaleak_20231201/2020-09-30%20-%20paladin.7z/paladin/ctr_firmware@298 b871894f-2f95-9b40-918c-086798483c85
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlBrom - exclusive
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File: main.c
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Copyright 2009 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 <brom.h>
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void BromMain( void )
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{
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osInitException();
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osInitBROM();
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osPrintf( "ARM11: start\n" );
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osInitThread();
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while ( 1 )
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{
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u8 cpuID = i_osGetCpuID();
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u8 locked;
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u8 *exBuf = (u8 *)HW_MAIN_MEM + HW_MAIN_MEM_SIZE/2;
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u8 *ownerBuf = exBuf + 1;
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osSleep(1000 - 100 * cpuID);
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if ( osTryLockByte(1, (OSLockByte *)HW_CARD_LOCK_BUF, NULL) == OS_LOCK_SUCCESS )
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{
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osTPrintf( "[Core%d] SpinLock is succeed.\n", cpuID );
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osSleep(1000 - 100 * cpuID);
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osUnlockByte(1, (OSLockByte *)HW_CARD_LOCK_BUF, NULL);
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}
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else
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{
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osTPrintf( "[Core%d] SpinLock is failed.\n", cpuID );
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}
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#ifndef SDK_MG20EMU
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locked = miLoadExclusiveByte( exBuf );
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if ( locked )
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{
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osTPrintf( "[Core%d] LdrExclusive is locked with %x.\n", cpuID, locked );
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}
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else
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{
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osSleep(500 - 100 * cpuID);
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if ( miStoreExclusiveByte(cpuID + 1, exBuf) == MI_STREX_SUCCESS )
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{
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*ownerBuf = cpuID + 1;
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osTPrintf( "[Core%d] StrExclusive is succeed. %x -> %x.\n", cpuID, locked, *exBuf );
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*ownerBuf = 0;
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// clear exclusive flag
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miLoadExclusiveByte( exBuf );
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osSleep(500 - 100 * cpuID);
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miStoreExclusiveByte( 0, exBuf );
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}
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else
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{
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osTPrintf( "[Core%d] StrExclusive is failed. %x -> %x.\n", cpuID, locked, *exBuf );
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}
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}
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#endif // SDK_MG20EMU
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}
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}
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