1 /* Basic MDMA device tests. 2 # mach: bfin 3 # cc: -mcpu=bf537 -nostdlib -lc 4 # sim: --environment operating --model bf537 5 */ 6 7 #include "test.h" 8 9 static volatile struct bfin_dma *s = (void *)MDMA_S1_NEXT_DESC_PTR; 10 static volatile struct bfin_dma *d = (void *)MDMA_D1_NEXT_DESC_PTR; 11 12 #include "mdma-skel.h" 13 mdma_memcpy(bu32 dst,bu32 src,bu32 size)14void mdma_memcpy (bu32 dst, bu32 src, bu32 size) 15 { 16 /* Negative transfers start at end of buffer. */ 17 _mdma_memcpy (dst + size - 1, src + size - 1, size, -1); 18 } 19