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authorPikalaxALT <pikalaxalt@gmail.com>2019-09-08 21:07:54 -0400
committerPikalaxALT <pikalaxalt@gmail.com>2019-09-08 21:07:54 -0400
commit306ce048ad07d62bed2028bfc8f30c03f5bc8db7 (patch)
tree09dada0db49517542634aaf4058a613b350c9feb /gflib/dma3.h
parent95b805a425844175663f7f10b1b92df690a8b2c0 (diff)
Move gflib srcs and headers to gflib subdir
Diffstat (limited to 'gflib/dma3.h')
-rw-r--r--gflib/dma3.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/gflib/dma3.h b/gflib/dma3.h
new file mode 100644
index 000000000..8eff34f55
--- /dev/null
+++ b/gflib/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