| /* Basic MDMA device tests. | |
| # mach: bfin | |
| # cc: -mcpu=bf537 -nostdlib -lc | |
| # sim: --env operating --model bf537 | |
| */ | |
| #include "test.h" | |
| static volatile struct bfin_dma *s = (void *)MDMA_S1_NEXT_DESC_PTR; | |
| static volatile struct bfin_dma *d = (void *)MDMA_D1_NEXT_DESC_PTR; | |
| #include "mdma-skel.h" | |
| void mdma_memcpy (bu32 dst, bu32 src, bu32 size) | |
| { | |
| /* Negative transfers start at end of buffer. */ | |
| _mdma_memcpy (dst + size - 1, src + size - 1, size, -1); | |
| } |