arm9 MI_dma_card

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));
+}