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#ifndef PR_OS_MESSAGE_H
#define PR_OS_MESSAGE_H

#define OS_NUM_EVENTS               15

#define OS_EVENT_SW1                0     /* CPU SW1 interrupt */
#define OS_EVENT_SW2                1     /* CPU SW2 interrupt */
#define OS_EVENT_CART               2     /* Cartridge interrupt: used by rmon */
#define OS_EVENT_COUNTER            3     /* Counter int: used by VI/Timer Mgr */
#define OS_EVENT_SP                 4     /* SP task done interrupt */
#define OS_EVENT_SI                 5     /* SI (controller) interrupt */
#define OS_EVENT_AI                 6     /* AI interrupt */
#define OS_EVENT_VI                 7     /* VI interrupt: used by VI/Timer Mgr */
#define OS_EVENT_PI                 8     /* PI interrupt: used by PI Manager */
#define OS_EVENT_DP                 9     /* DP full sync interrupt */
#define OS_EVENT_CPU_BREAK          10    /* CPU breakpoint: used by rmon */
#define OS_EVENT_SP_BREAK           11    /* SP breakpoint:  used by rmon */
#define OS_EVENT_FAULT              12    /* CPU fault event: used by rmon */
#define OS_EVENT_THREADSTATUS       13    /* CPU thread status: used by rmon */
#define OS_EVENT_PRENMI             14    /* Pre NMI interrupt */

#define OS_EVENT_RDB_READ_DONE      15    /* RDB read ok event: used by rmon */
#define OS_EVENT_RDB_LOG_DONE       16    /* read of log data complete */
#define OS_EVENT_RDB_DATA_DONE      17    /* read of host io data complete */
#define OS_EVENT_RDB_REQ_RAMROM     18    /* host needs ramrom access */
#define OS_EVENT_RDB_FREE_RAMROM    19    /* host is done with ramrom access */
#define OS_EVENT_RDB_DBG_DONE       20
#define OS_EVENT_RDB_FLUSH_PROF     21
#define OS_EVENT_RDB_ACK_PROF       22

#define OS_MESG_NOBLOCK  0
#define OS_MESG_BLOCK    1

#ifdef _LANGUAGE_C

#include "os_thread.h"

typedef void* OSMesg;
typedef u32 OSEvent;

typedef struct OSMesgQueue {
    /* 0x00 */ OSThread* mtQueue;
    /* 0x04 */ OSThread* fullQueue;
    /* 0x08 */ s32 validCount;
    /* 0x0C */ s32 first;
    /* 0x10 */ s32 msgCount;
    /* 0x14 */ OSMesg* msg;
} OSMesgQueue; // size = 0x18

#define MQ_GET_COUNT(mq)    ((mq)->validCount)

#define MQ_IS_EMPTY(mq) (MQ_GET_COUNT(mq) == 0)
#define MQ_IS_FULL(mq)  (MQ_GET_COUNT(mq) >= (mq)->msgCount)

void osCreateMesgQueue(OSMesgQueue* mq, OSMesg* msq, s32 count);
s32 osSendMesg(OSMesgQueue* mq, OSMesg msg, s32 flags);
s32 osJamMesg(OSMesgQueue* mq, OSMesg msg, s32 flag);
s32 osRecvMesg(OSMesgQueue* mq, OSMesg* msg, s32 flags);

void osSetEventMesg(OSEvent e, OSMesgQueue* mq, OSMesg m);

#else

/* OSMesgQueue struct member offsets */

#define MQ_MTQUEUE      0x00
#define MQ_FULLQUEUE    0x04
#define MQ_VALIDCOUNT   0x08
#define MQ_FIRST        0x0C
#define MQ_MSGCOUNT     0x10
#define MQ_MSG          0x14

#endif

#endif