Decompile osContStartReadData

src/include/gvars/gvars.h

@@ -508,9 +508,9 @@ extern u32 var8009c7a0;
 extern u32 var8009c7a8;
 extern u32 var8009c7c0;
 extern u32 var8009c7c8;
-extern u32 var8009c7e0;
+extern u32 __osContPifRam;
 extern u32 var8009c81c;
-extern u32 var8009c820;
+extern u8 __osContLastCmd;
 extern u32 var8009c828;
 extern u32 var8009c848;
 extern u32 var8009c860;

src/include/lib/lib_4a810.h

@@ -3,9 +3,4 @@
 #include <ultra64.h>
 #include "types.h"
 
-u32 __osSiCreateAccessQueue(void);
-u32 __osSiGetAccess(void);
-u32 __osSiRelAccess(void);
-u32 __osSiRawStartDma(void);
-
 #endif

src/include/libultra_internal.h

@@ -0,0 +1,51 @@
+#ifndef _LIBULTRA_INTERNAL_H_
+#define _LIBULTRA_INTERNAL_H_
+#include <ultra64.h>
+
+typedef struct
+{
+    u32 initialized; //probably something like initialized?
+    OSThread *mgrThread;
+    OSMesgQueue *unk08;
+    OSMesgQueue *unk0c;
+    OSMesgQueue *unk10;
+    s32 (*dma_func)(s32,u32,void*,size_t);
+    u64 force_align;
+} OSMgrArgs;
+
+s32 __osDisableInt();
+void __osRestoreInt(s32);
+void __osEnqueueAndYield(OSThread**);
+void __osDequeueThread(OSThread**, OSThread*);
+void __osEnqueueThread(OSThread**, OSThread*);
+OSThread* __osPopThread(OSThread**);
+s32 __osSiRawStartDma(s32, void*);
+void __osSiCreateAccessQueue();
+void __osSiGetAccess();
+void __osSiRelAccess();
+u32 __osProbeTLB(void*);
+void __osPiCreateAccessQueue();
+void __osPiGetAccess();
+void __osSetSR(u32);
+u32 __osGetSR();
+void __osSetFpcCsr(u32);
+s32 __osSiRawReadIo(void*, u32*);
+s32 __osSiRawWriteIo(void*, u32);
+s32 osPiRawReadIo(u32 a0, u32 *a1);
+void __osSpSetStatus(u32);
+u32 __osSpGetStatus();
+s32 __osSpSetPc(void*);
+s32 __osSpDeviceBusy();
+s32 __osSiDeviceBusy();
+s32 __osSpRawStartDma(u32 dir, void *sp_ptr, void *dram_ptr, size_t size);
+void __osViInit();
+OSViContext * __osViGetCurrentContext();
+void __osViSwapContext();
+void __osSetTimerIntr(u64);
+u64 __osInsertTimer(OSTimer *);
+void __osSetCompare(u32);
+s32 __osAiDeviceBusy();
+void __osDispatchThread();
+u32 __osGetCause();
+s32 __osAtomicDec(u32*);
+#endif