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164 lines
5.1 KiB
C
164 lines
5.1 KiB
C
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/*====================================================================
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* os_message.h
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*
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* Copyright 1995, 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* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,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 Unpublished - rights reserved under the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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Copyright (C) 1998 Nintendo. (Originated by SGI)
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$RCSfile: os_message.h,v $
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$Revision: 1.1 $
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$Date: 1998/10/09 08:01:15 $
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*---------------------------------------------------------------------*/
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#ifndef _OS_MESSAGE_H_
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#define _OS_MESSAGE_H_
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#ifdef _LANGUAGE_C_PLUS_PLUS
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extern "C" {
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#endif
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#include <PR/ultratypes.h>
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#include <PR/os_thread.h>
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#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
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/**************************************************************************
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*
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* Type definitions
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*
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*/
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typedef u32 OSEvent;
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/*
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* Structure for message
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*/
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typedef void * OSMesg;
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/*
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* Structure for message queue
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*/
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typedef struct OSMesgQueue_s {
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OSThread *mtqueue; /* Queue to store threads blocked
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on empty mailboxes (receive) */
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OSThread *fullqueue; /* Queue to store threads blocked
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on full mailboxes (send) */
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s32 validCount; /* Contains number of valid message */
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s32 first; /* Points to first valid message */
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s32 msgCount; /* Contains total # of messages */
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OSMesg *msg; /* Points to message buffer array */
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} OSMesgQueue;
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#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
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/**************************************************************************
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*
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* Global definitions
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*
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*/
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/* Events */
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#ifdef _FINALROM
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#define OS_NUM_EVENTS 15
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#else
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#define OS_NUM_EVENTS 23
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#endif
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#define OS_EVENT_SW1 0 /* CPU SW1 interrupt */
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#define OS_EVENT_SW2 1 /* CPU SW2 interrupt */
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#define OS_EVENT_CART 2 /* Cartridge interrupt: used by rmon */
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#define OS_EVENT_COUNTER 3 /* Counter int: used by VI/Timer Mgr */
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#define OS_EVENT_SP 4 /* SP task done interrupt */
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#define OS_EVENT_SI 5 /* SI (controller) interrupt */
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#define OS_EVENT_AI 6 /* AI interrupt */
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#define OS_EVENT_VI 7 /* VI interrupt: used by VI/Timer Mgr */
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#define OS_EVENT_PI 8 /* PI interrupt: used by PI Manager */
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#define OS_EVENT_DP 9 /* DP full sync interrupt */
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#define OS_EVENT_CPU_BREAK 10 /* CPU breakpoint: used by rmon */
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#define OS_EVENT_SP_BREAK 11 /* SP breakpoint: used by rmon */
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#define OS_EVENT_FAULT 12 /* CPU fault event: used by rmon */
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#define OS_EVENT_THREADSTATUS 13 /* CPU thread status: used by rmon */
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#define OS_EVENT_PRENMI 14 /* Pre NMI interrupt */
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#ifndef _FINALROM
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#define OS_EVENT_RDB_READ_DONE 15 /* RDB read ok event: used by rmon */
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#define OS_EVENT_RDB_LOG_DONE 16 /* read of log data complete */
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#define OS_EVENT_RDB_DATA_DONE 17 /* read of hostio data complete */
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#define OS_EVENT_RDB_REQ_RAMROM 18 /* host needs ramrom access */
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#define OS_EVENT_RDB_FREE_RAMROM 19 /* host is done with ramrom access */
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#define OS_EVENT_RDB_DBG_DONE 20
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#define OS_EVENT_RDB_FLUSH_PROF 21
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#define OS_EVENT_RDB_ACK_PROF 22
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#endif
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/* Flags to turn blocking on/off when sending/receiving message */
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#define OS_MESG_NOBLOCK 0
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#define OS_MESG_BLOCK 1
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#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
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/**************************************************************************
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*
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* Macro definitions
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*
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*/
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/* Get count of valid messages in queue */
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#define MQ_GET_COUNT(mq) ((mq)->validCount)
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/* Figure out if message queue is empty or full */
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#define MQ_IS_EMPTY(mq) (MQ_GET_COUNT(mq) == 0)
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#define MQ_IS_FULL(mq) (MQ_GET_COUNT(mq) >= (mq)->msgCount)
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/**************************************************************************
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*
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* Extern variables
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*
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*/
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/**************************************************************************
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*
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* Function prototypes
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*
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*/
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/* Message operations */
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extern void osCreateMesgQueue(OSMesgQueue *, OSMesg *, s32);
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extern s32 osSendMesg(OSMesgQueue *, OSMesg, s32);
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extern s32 osJamMesg(OSMesgQueue *, OSMesg, s32);
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extern s32 osRecvMesg(OSMesgQueue *, OSMesg *, s32);
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/* Event operations */
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extern void osSetEventMesg(OSEvent, OSMesgQueue *, OSMesg);
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#endif /* defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS) */
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#ifdef _LANGUAGE_C_PLUS_PLUS
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}
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#endif
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#endif /* !_OS_MESSAGE_H_ */
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