22 lines
540 B
C
22 lines
540 B
C
#include <gint/dma.h>
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/* dma_memcpy(): Fast 32-aligned memcpy */
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void *dma_memcpy(void * __restrict dst, const void * __restrict src,
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size_t size)
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{
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int block_size = DMA_32B;
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int block_count = size >> 5;
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/* Use 4-byte transfers to access SPU memory */
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if(((uint32_t)src >= 0xfe200000 && (uint32_t)src < 0xfe400000) ||
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((uint32_t)dst >= 0xfe200000 && (uint32_t)dst < 0xfe400000))
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{
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block_size = DMA_4B;
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block_count = size >> 2;
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}
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dma_transfer_sync(1, block_size, block_count, src, DMA_INC, dst,
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DMA_INC);
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return dst;
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}
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