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54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/*---------------------------------------------------------------------------*
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Project: TwlSDK - OS - include
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File: system.h
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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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$Log: $
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$NoKeywords: $
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*---------------------------------------------------------------------------*/
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#ifndef TWL_FIRM_OS_SYSTEM_H_
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#define TWL_FIRM_OS_SYSTEM_H_
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#include <twl/misc.h>
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#include <twl/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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//----------------------------------------------------------------------------
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typedef u32 OSCpuCycle;
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#define OS_CPU_CLOCK HW_CPU_CLOCK
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//---- sec to cpu cycle
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// 150nsec - 30sec
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#define OS_SEC_TO_CPUCYC( sec ) ((OSCpuCycle)( ( OS_CPU_CLOCK * (u32)(sec)) ))
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#define OS_MSEC_TO_CPUCYC( msec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(msec)) ))
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#define OS_USEC_TO_CPUCYC( usec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(usec)) / 1000 ))
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#define OS_NSEC_TO_CPUCYC( nsec ) ((OSCpuCycle)( ((OS_CPU_CLOCK/1000) * (u32)(nsec)) / (1000 * 1000) ))
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//---- cpu cycle to sec
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// 150nsec - 30sec
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#define OS_CPUCYC_TO_SEC( cyc ) ( ((u32)(cyc) ) / OS_CPU_CLOCK )
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#define OS_CPUCYC_TO_MSEC( cyc ) ( ((u32)(cyc) ) / (OS_CPU_CLOCK/1000) )
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#define OS_CPUCYC_TO_USEC( cyc ) ( ((u32)(cyc) * 1000) / (OS_CPU_CLOCK/1000) )
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#define OS_CPUCYC_TO_NSEC( cyc ) ( ((u32)(cyc) * 1000 * 1000) / (OS_CPU_CLOCK/1000) )
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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/* TWL_FIRM_OS_SYSTEM_H_ */
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#endif
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