/*---------------------------------------------------------------------------*
  Project:  OS Context API
  File:     OSContext.h

  Copyright (C) Nintendo.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

 *---------------------------------------------------------------------------*/

#ifndef __OSCONTEXT_H__
#define __OSCONTEXT_H__

#include <cafe/kernel/KernelOSContext.h>

#ifndef _ASSEMBLER

#include <types.h>
#ifdef __cplusplus
extern "C" {
#endif

u32         OSGetStackPointer   ( void );
u32         OSSwitchStack       ( u32 newsp );
int         OSSwitchFiber       ( u32 pc, u32 newsp );
int         OSSwitchFiberEx     ( u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 pc, u32 newsp );

void        OSSetCurrentContext ( OSContext* context );
OSContext*  OSGetCurrentContext ( void );
u32         OSSaveContext       ( OSContext* context );

void        OSLoadContext       ( OSContext* context );
void        OSClearContext      ( OSContext* context );
void        OSInitContext       ( OSContext* context, u32 pc, u32 sp );

OSContext*  OSGetCurrentFPUContext(void);
void        OSSetCurrentFPUContext(OSContext* context);

void        OSLoadFPUContext    ( OSContext* context );
void        OSSaveFPUContext    ( OSContext* context );

void        OSDumpContext       ( OSContext* context );
#endif // _ASSEMBLER

#ifdef __cplusplus
}
#endif

#endif  // __OSCONTEXT_H__