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64fe254191
git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@16 b08762b0-b915-fc4b-9d8c-17b2551a87ff
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlFirm - OS
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File: os_boot.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/os.h>
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#include <firm/mi.h>
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#ifdef SDK_ARM9
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#include <twl/os/ARM9/os_cache_tag.h>
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#endif
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/*---------------------------------------------------------------------------*
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Name: OSi_Finalize
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Description: finalize
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Arguments: None
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Returns: None
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*---------------------------------------------------------------------------*/
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void OSi_Finalize(void)
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{
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(void)OS_DisableIrq();
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reg_OS_IE = 0;
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reg_OS_IF = 0xffffffff;
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#ifdef SDK_ARM7
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reg_OS_IE2 = 0;
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reg_OS_IF2 = 0xffff;
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#else // SDK_ARM9
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(void)OS_DisableInterrupts();
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DC_Disable();
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DC_FlushAll();
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DC_WaitWriteBufferEmpty();
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IC_Disable();
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IC_InvalidateAll();
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// clear cache
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IC_ClearTagAll();
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IC_ClearInstructionAll();
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DC_ClearTagAll();
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DC_ClearDataAll();
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OS_DisableProtectionUnit();
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#endif // SDK_ARM9
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}
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