__osDpDeviceBusy from libreultra

lib/src/os/__osViGetCurrentContext.c

@@ -0,0 +1,9 @@
+/* The comment below is needed for this file to be picked up by generate_ld */
+/* RAM_POS: 0x800D6080 */
+
+#include "libultra_internal.h"
+#include "viint.h"
+
+__OSViContext *__osViGetCurrentContext(void){
+    return __osViCurr;
+}

lib/src/os/dp.c

@@ -3,10 +3,11 @@
 
 #include "macros.h"
 #include "libultra_internal.h"
-#include "viint.h"
 
-GLOBAL_ASM("lib/asm/non_matchings/unknown_0D3020/__osDpDeviceBusy.s")
-
-__OSViContext *__osViGetCurrentContext(void){
-    return __osViCurr;
+int __osDpDeviceBusy(void) {
+    register u32 stat;
+    stat = IO_READ(DPC_STATUS_REG);
+    if (stat & DPC_STATUS_DMA_BUSY)
+        return 1;
+    return 0;
 }