External ARM9 payload chainloading for a9lh, cleaned up the sdmmc library (from the dark-samus a9lh fork)

loader/source/main.c

@@ -0,0 +1,19 @@
+#include "fatfs/ff.h"
+
+#define PAYLOAD_ADDRESS	0x23F00000
+
+int main()
+{
+    FATFS fs;
+    FIL payload;
+    unsigned int br;
+	
+    f_mount(&fs, "0:", 1);
+    if(f_open(&payload, "rei/arm9payload.bin", FA_READ) == FR_OK)
+    {
+        f_read(&payload, (void *)PAYLOAD_ADDRESS, f_size(&payload), &br);
+        ((void (*)())PAYLOAD_ADDRESS)();
+    }
+
+    return 1;
+}