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116 lines
4.0 KiB
C
Executable File
116 lines
4.0 KiB
C
Executable File
/*====================================================================
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* sched.h
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*
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* Synopsis:
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*
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* Copyright 1993, Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
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* Inc.; the contents of this file may not be disclosed to third
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* parties, copied or duplicated in any form, in whole or in part,
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* without the prior written permission of Silicon Graphics, Inc.
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*
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* RESTRICTED RIGHTS LEGEND:
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* Use, duplication or disclosure by the Government is subject to
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* restrictions as set forth in subdivision (c)(1)(ii) of the Rights
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* in Technical Data and Computer Software clause at DFARS
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* 252.227-7013, and/or in similar or successor clauses in the FAR,
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* DOD or NASA FAR Supplement. Unpublished - rights reserved under the
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* Copyright Laws of the United States.
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*====================================================================*/
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/**************************************************************************
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*
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* $Revision: 1.7 $
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* $Date: 1997/02/11 08:32:02 $
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* $Source: /hosts/gate3/exdisk2/cvs/N64OS/Master/cvsmdev2/PR/include/sched.h,v $
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*
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**************************************************************************/
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#ifndef __sched__
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#define __sched__
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#include <ultra64.h>
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#define OS_SC_STACKSIZE 0x2000
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#define OS_SC_RETRACE_MSG 1
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#define OS_SC_DONE_MSG 2
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#define OS_SC_RDP_DONE_MSG 3
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#define OS_SC_PRE_NMI_MSG 4
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#define OS_SC_LAST_MSG 4 /* this should have highest number */
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#define OS_SC_MAX_MESGS 8
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typedef struct {
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short type;
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char misc[30];
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} OSScMsg;
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typedef struct OSScTask_s {
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struct OSScTask_s *next; /* note: this must be first */
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u32 state;
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u32 flags;
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void *framebuffer; /* used by graphics tasks */
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OSTask list;
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OSMesgQueue *msgQ;
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OSMesg msg;
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#ifndef _FINALROM /* all #ifdef items should */
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OSTime startTime; /* remain at the end!!, or */
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OSTime totalTime; /* possible conflict if */
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#endif /* FINALROM library used with */
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} OSScTask; /* non FINALROM code */
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/*
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* OSScTask flags:
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*/
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#define OS_SC_NEEDS_RDP 0x0001 /* uses the RDP */
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#define OS_SC_NEEDS_RSP 0x0002 /* uses the RSP */
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#define OS_SC_DRAM_DLIST 0x0004 /* SP & DP communicate through DRAM */
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#define OS_SC_PARALLEL_TASK 0x0010 /* must be first gfx task on list */
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#define OS_SC_LAST_TASK 0x0020 /* last task in queue for frame */
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#define OS_SC_SWAPBUFFER 0x0040 /* swapbuffers when gfx task done */
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#define OS_SC_RCP_MASK 0x0003 /* mask for needs bits */
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#define OS_SC_TYPE_MASK 0x0007 /* complete type mask */
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/*
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* OSScClient:
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*
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* Data structure used by threads that wish to communicate to the
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* scheduling thread
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*
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*/
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typedef struct SCClient_s {
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struct SCClient_s *next; /* next client in the list */
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OSMesgQueue *msgQ; /* where to send the frame msg */
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} OSScClient;
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typedef struct {
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OSScMsg retraceMsg;
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OSScMsg prenmiMsg;
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OSMesgQueue interruptQ;
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OSMesg intBuf[OS_SC_MAX_MESGS];
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OSMesgQueue cmdQ;
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OSMesg cmdMsgBuf[OS_SC_MAX_MESGS];
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OSThread thread;
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OSScClient *clientList;
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OSScTask *audioListHead;
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OSScTask *gfxListHead;
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OSScTask *audioListTail;
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OSScTask *gfxListTail;
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OSScTask *curRSPTask;
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OSScTask *curRDPTask;
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u32 frameCount;
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s32 doAudio;
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} OSSched;
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void osCreateScheduler(OSSched *s, void *stack, OSPri priority,
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u8 mode, u8 numFields);
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void osScAddClient(OSSched *s, OSScClient *c, OSMesgQueue *msgQ);
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void osScRemoveClient(OSSched *s, OSScClient *c);
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OSMesgQueue *osScGetCmdQ(OSSched *s);
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#endif
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