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https://github.com/zeldaret/oot
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Dragorn421
6c29db8fa6
* Document an includes style, apply to z_demo.c and z_play.c * "reverse" style includes * bss * clarify what a "main header" is * Update docs/includes.md Co-authored-by: Tharo <tharo10600@gmail.com> * Update docs/includes.md --------- Co-authored-by: Tharo <tharo10600@gmail.com>
62 lines
2.3 KiB
C
Executable File
62 lines
2.3 KiB
C
Executable File
#ifndef DMA_H
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#define DMA_H
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#include "ultra64.h"
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#include "alignment.h"
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#include "romfile.h" // IWYU pragma: export
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typedef struct DmaRequest {
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/* 0x00 */ uintptr_t vromAddr; // VROM address (source)
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/* 0x04 */ void* dramAddr; // DRAM address (destination)
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/* 0x08 */ size_t size; // File Transfer size
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/* 0x0C */ const char* filename; // Filename for debugging
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/* 0x10 */ int line; // Line number for debugging
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/* 0x14 */ s32 unk_14;
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/* 0x18 */ OSMesgQueue* notifyQueue; // Message queue for the notification message
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/* 0x1C */ OSMesg notifyMsg; // Completion notification message
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} DmaRequest; // size = 0x20
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typedef struct DmaEntry {
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/* 0x00 */ RomFile file;
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/* 0x08 */ uintptr_t romStart;
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/* 0x0C */ uintptr_t romEnd;
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} DmaEntry;
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extern DmaEntry gDmaDataTable[];
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extern u32 gDmaMgrVerbose;
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extern size_t gDmaMgrDmaBuffSize;
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#define DMAMGR_DEFAULT_BUFSIZE ALIGN16(0x2000)
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// Standard DMA Requests
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s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size, u32 unk5, OSMesgQueue* queue,
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OSMesg msg);
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s32 DmaMgr_RequestSync(void* ram, uintptr_t vrom, size_t size);
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#if DEBUG_FEATURES
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s32 DmaMgr_RequestAsyncDebug(DmaRequest* req, void* ram, uintptr_t vrom, size_t size, u32 unk5, OSMesgQueue* queue,
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OSMesg msg, const char* file, int line);
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s32 DmaMgr_RequestSyncDebug(void* ram, uintptr_t vrom, size_t size, const char* file, int line);
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#endif
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// Special-purpose DMA Requests
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s32 DmaMgr_DmaRomToRam(uintptr_t rom, void* ram, size_t size);
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void DmaMgr_DmaFromDriveRom(void* ram, uintptr_t rom, size_t size);
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s32 DmaMgr_AudioDmaHandler(OSPiHandle* pihandle, OSIoMesg* mb, s32 direction);
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// Initialization
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void DmaMgr_Init(void);
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#if DEBUG_FEATURES
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#define DMA_REQUEST_SYNC(ram, vrom, size, file, line) DmaMgr_RequestSyncDebug(ram, vrom, size, file, line)
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#define DMA_REQUEST_ASYNC(req, ram, vrom, size, unk5, queue, msg, file, line) DmaMgr_RequestAsyncDebug(req, ram, vrom, size, unk5, queue, msg, file, line)
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#else
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#define DMA_REQUEST_SYNC(ram, vrom, size, file, line) DmaMgr_RequestSync(ram, vrom, size)
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#define DMA_REQUEST_ASYNC(req, ram, vrom, size, unk5, queue, msg, file, line) DmaMgr_RequestAsync(req, ram, vrom, size, unk5, queue, msg)
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#endif
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#endif
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