The first commit

src/done/pimgr.c

@@ -0,0 +1,50 @@
+#include <ultra64.h>
+#include "piint.h"
+
+
+extern u32 __osPiAccessQueueEnabled;
+
+OSDevMgr __osPiDevMgr = {0};
+OSPiHandle *__osPiTable = NULL;
+OSPiHandle *__osCurrentHandle[2] = {&CartRomHandle, &LeoDiskHandle};
+static OSThread piThread;
+static char piThreadStack[OS_PIM_STACKSIZE];
+static OSMesgQueue piEventQueue;
+static OSMesg piEventBuf;
+
+void osCreatePiManager(OSPri pri, OSMesgQueue *cmdQ, OSMesg *cmdBuf, s32 cmdMsgCnt)
+{
+	u32 savedMask;
+	OSPri oldPri;
+	OSPri myPri;
+	if (!__osPiDevMgr.active)
+	{
+		osCreateMesgQueue(cmdQ, cmdBuf, cmdMsgCnt);
+		osCreateMesgQueue(&piEventQueue, (OSMesg*)&piEventBuf, 1);
+		if (!__osPiAccessQueueEnabled)
+			__osPiCreateAccessQueue();
+		osSetEventMesg(OS_EVENT_PI, &piEventQueue, (OSMesg)0x22222222);
+		oldPri = -1;
+		myPri = osGetThreadPri(NULL);
+		if (myPri < pri)
+		{
+			oldPri = myPri;
+			osSetThreadPri(NULL, pri);
+		}
+		savedMask = __osDisableInt();
+		__osPiDevMgr.active = 1;
+		__osPiDevMgr.thread = &piThread;
+		__osPiDevMgr.cmdQueue = cmdQ;
+		__osPiDevMgr.evtQueue = &piEventQueue;
+		__osPiDevMgr.acsQueue = &__osPiAccessQueue;
+		__osPiDevMgr.dma = osPiRawStartDma;
+		__osPiDevMgr.edma = osEPiRawStartDma;
+		osCreateThread(&piThread, 0, __osDevMgrMain, &__osPiDevMgr, &piThreadStack[OS_PIM_STACKSIZE], pri);
+		osStartThread(&piThread);
+		__osRestoreInt(savedMask);
+		if (oldPri != -1)
+		{
+			osSetThreadPri(NULL, oldPri);
+		}
+	}
+}