diff options
Diffstat (limited to 'arm9/lib/src')
-rw-r--r-- | arm9/lib/src/MI_dma_card.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arm9/lib/src/MI_dma_card.c b/arm9/lib/src/MI_dma_card.c new file mode 100644 index 00000000..c3b8b897 --- /dev/null +++ b/arm9/lib/src/MI_dma_card.c @@ -0,0 +1,24 @@ +#include "MI_dma_card.h" +#include "MI_dma.h" +#include "function_target.h" + +ARM_FUNC void MIi_CardDmaCopy32(u32 dmaNo, const void *src, void *dest, u32 size) +{ + MIi_CheckAnotherAutoDMA(dmaNo, MIi_DMA_TIMING_ANY); + MIi_CheckDma0SourceAddress(dmaNo, (u32)src, size, MI_DMA_SRC_FIX); + + if (size == 0) + { + return; + } + + vu32 *dmaCntp; + + do + { + dmaCntp = &((vu32 *)REG_ADDR_DMA0SAD)[dmaNo * 3 + 2]; + while (*dmaCntp & 0x80000000) {} + } while(0); + + MIi_DmaSetParams(dmaNo, (u32)src, (u32)dest, (u32)(0xaf000001)); +} |