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oot/include/z64dma.h
Tharo 7ecafcfe7d
More documentation for z_std_dma.c (#1415)
* More documentation for z_std_dma

* uintptr casts for rom symbols in z64animation.h and z_kanfont.c

* Format

* Suggested changes, more defines for static texture sizes

* PI Interface -> PI

* Further suggested changes

* Format

* Comments about item_name and map_name texture assumptions
2022-11-16 21:57:02 -05:00

49 lines
1.6 KiB
C
Executable file

#ifndef Z64_DMA_H
#define Z64_DMA_H
#include "ultra64.h"
#include "alignment.h"
typedef struct {
/* 0x00 */ uintptr_t vromAddr; // VROM address (source)
/* 0x04 */ void* dramAddr; // DRAM address (destination)
/* 0x08 */ size_t size; // File Transfer size
/* 0x0C */ const char* filename; // Filename for debugging
/* 0x10 */ s32 line; // Line for debugging
/* 0x14 */ s32 unk_14;
/* 0x18 */ OSMesgQueue* notifyQueue; // Message queue for the notification message
/* 0x1C */ OSMesg notifyMsg; // Completion notification message
} DmaRequest; // size = 0x20
typedef struct {
/* 0x00 */ uintptr_t vromStart;
/* 0x04 */ uintptr_t vromEnd;
/* 0x08 */ uintptr_t romStart;
/* 0x0C */ uintptr_t romEnd;
} DmaEntry;
extern DmaEntry gDmaDataTable[];
extern u32 gDmaMgrVerbose;
extern size_t gDmaMgrDmaBuffSize;
#define DMAMGR_DEFAULT_BUFSIZE ALIGN16(0x2000)
// Standard DMA Requests
s32 DmaMgr_RequestSync(void* ram, uintptr_t vrom, size_t size);
s32 DmaMgr_RequestSyncDebug(void* ram, uintptr_t vrom, size_t size, const char* file, s32 line);
s32 DmaMgr_RequestAsync(DmaRequest* req, void* ram, uintptr_t vrom, size_t size, u32 unk5, OSMesgQueue* queue,
OSMesg msg, const char* file, s32 line);
// Special-purpose DMA Requests
s32 DmaMgr_DmaRomToRam(uintptr_t rom, void* ram, size_t size);
void DmaMgr_DmaFromDriveRom(void* ram, uintptr_t rom, size_t size);
s32 DmaMgr_AudioDmaHandler(OSPiHandle* pihandle, OSIoMesg* mb, s32 direction);
// Initialization
void DmaMgr_Init(void);
#endif