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1738b19d63
* More documentation for sched.c * VI retrace -> vertical retrace, attempt to clarify comment in viconfig * Further review changes, fix inconsistent capitalization of PreNMI (PRENMI -> PreNMI) * Fix typo Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com> * Change TaskSwapBuffer, change comment on OS_SC_DRAM_DLIST to unimplemented * Rename SchedContext/gSchedContext to Scheduler/gScheduler * Comments fixes Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com> * Format Co-authored-by: engineer124 <47598039+engineer124@users.noreply.github.com> Co-authored-by: Dragorn421 <Dragorn421@users.noreply.github.com>
70 lines
3.1 KiB
C
70 lines
3.1 KiB
C
#ifndef SCHED_H
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#define SCHED_H
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#include "ultra64.h"
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#include "irqmgr.h"
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#define OS_SC_NEEDS_RDP 0x0001 // Task uses the RDP
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#define OS_SC_NEEDS_RSP 0x0002 // Task uses the RSP
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#define OS_SC_DRAM_DLIST 0x0004 // Unimplemented
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#define OS_SC_PARALLEL_TASK 0x0010 // Unimplemented
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#define OS_SC_LAST_TASK 0x0020 // Unimplemented
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#define OS_SC_SWAPBUFFER 0x0040 // Swap framebuffer when done
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#define OS_SC_DP OS_SC_NEEDS_RDP // Task is using the RDP
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#define OS_SC_SP OS_SC_NEEDS_RSP // Task is using the RSP
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#define OS_SC_YIELD 0x0010 // Task has been asked to yield
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#define OS_SC_YIELDED 0x0020 // Task has yielded
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#define OS_SC_RCP_MASK (OS_SC_NEEDS_RDP | OS_SC_NEEDS_RSP)
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#define OS_SC_TYPE_MASK (OS_SC_NEEDS_RDP | OS_SC_NEEDS_RSP | OS_SC_DRAM_DLIST)
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typedef struct {
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/* 0x00 */ u16* framebuffer; // current framebuffer
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/* 0x04 */ u16* swapBuffer; // framebuffer to swap to
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/* 0x08 */ OSViMode* viMode;
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/* 0x0C */ u32 viFeatures;
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/* 0x10 */ u8 unk_10; // set to 0, never read
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/* 0x11 */ s8 updateRate; // how many VIs should elapse before next swap
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/* 0x12 */ s8 updateTimer; // counts down (in VIs) from updateRate to 0, swaps the framebuffer at 0
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/* 0x14 */ f32 xScale;
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/* 0x18 */ f32 yScale;
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} CfbInfo; // size = 0x1C
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typedef struct OSScTask {
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/* 0x00 */ struct OSScTask* next;
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/* 0x04 */ u32 state;
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/* 0x08 */ u32 flags;
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/* 0x0C */ CfbInfo* framebuffer; // The original libultra OSScTask had void* here, it would point directly to a framebuffer
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/* 0x10 */ OSTask list;
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/* 0x50 */ OSMesgQueue* msgQueue; // Notification queue, will receive a message when the task completes
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/* 0x54 */ OSMesg msg;
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/* 0x58 */ OSTime startTime; // These last two fields are a guess based on the original libultra OSScTask and padding in other structures, they are unused.
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/* 0x60 */ OSTime totalTime;
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} OSScTask; // size = 0x68
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typedef struct {
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/* 0x0000 */ OSMesgQueue interruptQueue;
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/* 0x0018 */ OSMesg interruptMsgBuf[8];
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/* 0x0038 */ OSMesgQueue cmdQueue; // queue for receiving OSScTask pointers
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/* 0x0050 */ OSMesg cmdMsgBuf[8];
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/* 0x0070 */ OSThread thread;
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/* 0x0220 */ OSScTask* audioListHead;
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/* 0x0224 */ OSScTask* gfxListHead;
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/* 0x0228 */ OSScTask* audioListTail;
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/* 0x022C */ OSScTask* gfxListTail;
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/* 0x0230 */ OSScTask* curRSPTask; // task currently using the RSP
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/* 0x0234 */ OSScTask* curRDPTask; // task currently using the RDP
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/* 0x0238 */ s32 retraceCount;
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/* 0x023C */ s32 doAudio;
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/* 0x0240 */ CfbInfo* curBuf; // current framebuffer (taken from buffer 1)
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/* 0x0244 */ CfbInfo* pendingSwapBuf1; // buffer 1 (next buffer)
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/* 0x0220 */ CfbInfo* pendingSwapBuf2; // buffer 2 (always NULL)
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/* 0x0220 */ s32 isFirstSwap;
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/* 0x0250 */ IrqMgrClient irqClient;
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} Scheduler; // size = 0x258
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void Sched_Notify(Scheduler* sc);
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void Sched_Init(Scheduler* sc, void* stack, OSPri priority, UNK_TYPE arg3, UNK_TYPE arg4, IrqMgr* irqMgr);
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#endif
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