Files
perfect-dark/src/include/PR/sched.h
T
2021-01-25 10:15:37 +10:00

96 lines
2.9 KiB
C

#ifndef _ULTRA64_SCHED_H_
#define _ULTRA64_SCHED_H_
#include <ultra64.h>
#define OS_SC_STACKSIZE 0x2000
#define OS_SC_RETRACE_MSG 1
#define OS_SC_DONE_MSG 2
#define OS_SC_RDP_DONE_MSG 3
#define OS_SC_PRE_NMI_MSG 4
#define OS_SC_LAST_MSG 4 /* this should have highest number */
#define OS_SC_MAX_MESGS 8
typedef struct {
short type;
char misc[30];
} OSScMsg;
typedef struct OSScTask_s {
struct OSScTask_s *next; /* note: this must be first */
u32 state;
u32 flags;
void *framebuffer; /* used by graphics tasks */
OSTask list;
OSMesgQueue *msgQ;
OSMesg msg;
#ifndef _FINALROM /* all #ifdef items should */
OSTime startTime; /* remain at the end!!, or */
OSTime totalTime; /* possible conflict if */
#endif /* FINALROM library used with */
} OSScTask; /* non FINALROM code */
/*
* OSScTask flags:
*/
#define OS_SC_NEEDS_RDP 0x0001 /* uses the RDP */
#define OS_SC_NEEDS_RSP 0x0002 /* uses the RSP */
#define OS_SC_DRAM_DLIST 0x0004 /* SP & DP communicate through DRAM */
#define OS_SC_PARALLEL_TASK 0x0010 /* must be first gfx task on list */
#define OS_SC_LAST_TASK 0x0020 /* last task in queue for frame */
#define OS_SC_SWAPBUFFER 0x0040 /* swapbuffers when gfx task done */
#define OS_SC_RCP_MASK 0x0003 /* mask for needs bits */
#define OS_SC_TYPE_MASK 0x0007 /* complete type mask */
#define OS_SC_YIELD 0x0010 /* set if yield requested */
#define OS_SC_YIELDED 0x0020 /* set if yield completed */
/*
* private typedefs and defines
*/
#define VIDEO_MSG 666
#define RSP_DONE_MSG 667
#define RDP_DONE_MSG 668
#define PRE_NMI_MSG 669
/*
* OSScClient:
*
* Data structure used by threads that wish to communicate to the
* scheduling thread
*
*/
typedef struct SCClient_s {
struct SCClient_s *next; /* next client in the list */
OSMesgQueue *msgQ; /* where to send the frame msg */
} OSScClient;
typedef struct {
OSScMsg retraceMsg;
OSScMsg prenmiMsg;
OSMesgQueue interruptQ;
OSMesg intBuf[OS_SC_MAX_MESGS];
OSMesgQueue cmdQ;
OSMesg cmdMsgBuf[OS_SC_MAX_MESGS];
OSThread *thread;
OSScClient *clientList;
OSScTask *audioListHead;
OSScTask *gfxListHead;
OSScTask *audioListTail;
OSScTask *gfxListTail;
OSScTask *curRSPTask;
OSScTask *curRDPTask;
u32 frameCount;
s32 doAudio;
} OSSched;
void osCreateScheduler(OSSched *s, void *stack, u8 mode, u32 numFields);
void osScAddClient(OSSched *s, OSScClient *c, OSMesgQueue *msgQ);
void osScRemoveClient(OSSched *s, OSScClient *c);
OSMesgQueue *osScGetCmdQ(OSSched *s);
#endif