diff options
| author | Kurausukun <lord.uber1@gmail.com> | 2021-06-17 22:09:48 -0400 |
|---|---|---|
| committer | Kurausukun <lord.uber1@gmail.com> | 2021-06-17 22:09:48 -0400 |
| commit | 8b59909ac5eb6e3540aeb78396943d57a9702e4d (patch) | |
| tree | 3ea51f01171cc1bd6444ab4a4b833cf09eb0463c /include/dma3.h | |
| parent | 780da6bfd08b5401a7e11f1e0d38e377f2fab3dd (diff) | |
remove gflib
Diffstat (limited to 'include/dma3.h')
| -rw-r--r-- | include/dma3.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/dma3.h b/include/dma3.h new file mode 100644 index 000000000..8eff34f55 --- /dev/null +++ b/include/dma3.h @@ -0,0 +1,55 @@ +#ifndef GUARD_DMA3_H +#define GUARD_DMA3_H + +// Maximum amount of data we will transfer in one operation +#define MAX_DMA_BLOCK_SIZE 0x1000 + +#define Dma3CopyLarge_(src, dest, size, bit) \ +{ \ + const void *_src = src; \ + void *_dest = dest; \ + u32 _size = size; \ + while (1) \ + { \ + if (_size <= MAX_DMA_BLOCK_SIZE) \ + { \ + DmaCopy##bit(3, _src, _dest, _size); \ + break; \ + } \ + DmaCopy##bit(3, _src, _dest, MAX_DMA_BLOCK_SIZE); \ + _src += MAX_DMA_BLOCK_SIZE; \ + _dest += MAX_DMA_BLOCK_SIZE; \ + _size -= MAX_DMA_BLOCK_SIZE; \ + } \ +} + +#define Dma3CopyLarge16_(src, dest, size) Dma3CopyLarge_(src, dest, size, 16) +#define Dma3CopyLarge32_(src, dest, size) Dma3CopyLarge_(src, dest, size, 32) + +#define Dma3FillLarge_(value, dest, size, bit) \ +{ \ + void *_dest = dest; \ + u32 _size = size; \ + while (1) \ + { \ + if (_size <= MAX_DMA_BLOCK_SIZE) \ + { \ + DmaFill##bit(3, value, _dest, _size); \ + break; \ + } \ + DmaFill##bit(3, value, _dest, MAX_DMA_BLOCK_SIZE); \ + _dest += MAX_DMA_BLOCK_SIZE; \ + _size -= MAX_DMA_BLOCK_SIZE; \ + } \ +} + +#define Dma3FillLarge16_(value, dest, size) Dma3FillLarge_(value, dest, size, 16) +#define Dma3FillLarge32_(value, dest, size) Dma3FillLarge_(value, dest, size, 32) + +void ClearDma3Requests(void); +void ProcessDma3Requests(void); +s16 RequestDma3Copy(const void *src, void *dest, u16 size, u8 mode); +s16 RequestDma3Fill(s32 value, void *dest, u16 size, u8 mode); +s16 CheckForSpaceForDma3Request(s16 index); + +#endif // GUARD_DMA3_H |