Preliminary fixes for boot/libultra (#1032)

* Preliminary fixes

* Missed a NULL

src/libultra_boot_O1/__osGetHWIntrRoutine.c

@@ -1,7 +1,7 @@
 #include "global.h"
 #include "ultra64/internal.h"
 
-void __osGetHWIntrRoutine(s32 idx, OSMesgQueue** outQueue, OSMesg* outMsg) {
-    *outQueue = __osHwIntTable[idx].queue;
-    *outMsg = __osHwIntTable[idx].msg;
+void __osGetHWIntrRoutine(OSHWIntr interrupt, s32 (**handlerOut)(void), void** spOut) {
+    *handlerOut = __osHwIntTable[interrupt].handler;
+    *spOut = __osHwIntTable[interrupt].sp;
 }

src/libultra_boot_O1/__osResetGlobalIntMask.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 void __osResetGlobalIntMask(u32 mask) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
 
     __OSGlobalIntMask &= ~(mask & ~0x401);
     __osRestoreInt(prevInt);

src/libultra_boot_O1/__osSetGlobalIntMask.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 void __osSetGlobalIntMask(u32 mask) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
 
     __OSGlobalIntMask |= mask;
     __osRestoreInt(prevInt);

src/libultra_boot_O1/__osSetHWIntrRoutine.c

@@ -1,11 +1,11 @@
 #include "global.h"
 #include "ultra64/internal.h"
 
-void __osSetHWIntrRoutine(s32 idx, OSMesgQueue* queue, OSMesg msg) {
-    register s32 prevInt = __osDisableInt();
+void __osSetHWIntrRoutine(OSHWIntr interrupt, s32 (*handler)(void), void* sp) {
+    register u32 prevInt = __osDisableInt();
 
-    __osHwIntTable[idx].queue = queue;
-    __osHwIntTable[idx].msg = msg;
+    __osHwIntTable[interrupt].handler = handler;
+    __osHwIntTable[interrupt].sp = sp;
 
     __osRestoreInt(prevInt);
 }

src/libultra_boot_O1/initialize.c

@@ -58,7 +58,7 @@ void __osInitialize_common(void) {
     osClockRate = (u64)((osClockRate * 3ll) / 4ull);
 
     if (!osResetType) {
-        bzero(osAppNmiBuffer, 0x40);
+        bzero(osAppNmiBuffer, sizeof(osAppNmiBuffer));
     }
 
     if (osTvType == OS_TV_PAL) {

src/libultra_boot_O1/osDestroyThread.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 void osDestroyThread(OSThread* thread) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
     register OSThread* s1;
     register OSThread* s2;
 

src/libultra_boot_O1/osJamMesg.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 s32 osJamMesg(OSMesgQueue* mq, OSMesg msg, s32 flag) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
 
     while (mq->validCount >= mq->msgCount) {
         if (flag == OS_MESG_BLOCK) {

src/libultra_boot_O1/osRecvMesg.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 s32 osRecvMesg(OSMesgQueue* mq, OSMesg* msg, s32 flag) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
 
     while (mq->validCount == 0) {
         if (flag == OS_MESG_NOBLOCK) {

src/libultra_boot_O2/__osEPiRawReadIo.c

@@ -4,7 +4,7 @@ s32 __osEPiRawReadIo(OSPiHandle* handle, u32 devAddr, u32* data) {
     s32 status;
     OSPiHandle* curHandle;
 
-    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY | PI_STATUS_ERROR)) {
+    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         ;
     }
 

src/libultra_boot_O2/__osEPiRawStartDma.c

@@ -4,7 +4,7 @@ s32 __osEPiRawStartDma(OSPiHandle* handle, s32 direction, u32 cartAddr, void* dr
     s32 status;
     OSPiHandle* curHandle;
 
-    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY | PI_STATUS_ERROR)) {
+    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         ;
     }
 

src/libultra_boot_O2/__osEPiRawWriteIo.c

@@ -4,7 +4,7 @@ s32 __osEPiRawWriteIo(OSPiHandle* handle, u32 devAddr, u32 data) {
     s32 status;
     OSPiHandle* curHandle;
 
-    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY | PI_STATUS_ERROR)) {
+    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         ;
     }
 

src/libultra_boot_O2/__osPiRawStartDma.c

@@ -3,7 +3,7 @@
 s32 __osPiRawStartDma(s32 dir, u32 cartAddr, void* dramAddr, size_t size) {
     register s32 status = HW_REG(PI_STATUS_REG, u32);
 
-    while (status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY | PI_STATUS_ERROR)) {
+    while (status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         status = HW_REG(PI_STATUS_REG, u32);
     }
 

src/libultra_boot_O2/osCartRomInit.c

@@ -27,7 +27,7 @@ OSPiHandle* osCartRomInit(void) {
     __CartRomHandle.speed = 0;
     bzero(&__CartRomHandle.transferInfo, sizeof(__OSTranxInfo));
 
-    while (status = HW_REG(PI_STATUS_REG, u32), status & PI_STATUS_ERROR) {
+    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         ;
     }
 

src/libultra_boot_O2/osDriveRomInit.c

@@ -5,7 +5,7 @@ OSPiHandle __DriveRomHandle;
 OSPiHandle* osDriveRomInit(void) {
     register s32 status;
     register u32 a;
-    register s32 prevInt;
+    register u32 prevInt;
     static u32 D_8000AC70 = 1;
 
     __osPiGetAccess();
@@ -22,7 +22,7 @@ OSPiHandle* osDriveRomInit(void) {
     __DriveRomHandle.speed = 0;
     bzero(&__DriveRomHandle.transferInfo, sizeof(__OSTranxInfo));
 
-    while (status = HW_REG(PI_STATUS_REG, u32), status & PI_STATUS_ERROR) {
+    while (status = HW_REG(PI_STATUS_REG, u32), status & (PI_STATUS_BUSY | PI_STATUS_IOBUSY)) {
         ;
     }
 

src/libultra_boot_O2/osViGetNextFramebuffer.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 void* osViGetNextFramebuffer(void) {
-    s32 prevInt = __osDisableInt();
+    u32 prevInt = __osDisableInt();
     void* buff = __osViNext->buffer;
 
     __osRestoreInt(prevInt);

src/libultra_boot_O2/osViSetYScale.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 void osViSetYScale(f32 scale) {
-    register s32 prevInt = __osDisableInt();
+    register u32 prevInt = __osDisableInt();
 
     __osViNext->y.factor = scale;
     __osViNext->state |= 4;

src/libultra_boot_O2/vimgr.c

@@ -1,21 +1,12 @@
 #include "global.h"
 #include "ultra64/internal.h"
 
-typedef struct {
-    u16 unk00;
-    u8 unk02;
-    u32 unk04;
-    u8 pad[0xC];
-    u16 unk14;
-    u16 unk16;
-} viMesgStruct;
-
 OSThread viThread;
 u8 viThreadStack[0x1000];
 OSMesgQueue viEventQueue;
 OSMesg viEventBuf[6];
-viMesgStruct viRetraceMsg;
-viMesgStruct viCounterMsg;
+OSIoMesg viRetraceMsg;
+OSIoMesg viCounterMsg;
 OSMgrArgs __osViDevMgr = { 0 };
 u32 __additional_scanline = 0;
 
@@ -30,12 +21,12 @@ void osCreateViManager(OSPri pri) {
         __osTimerServicesInit();
         __additional_scanline = 0;
         osCreateMesgQueue(&viEventQueue, viEventBuf, 5);
-        viRetraceMsg.unk00 = 13;
-        viRetraceMsg.unk02 = 0;
-        viRetraceMsg.unk04 = 0;
-        viCounterMsg.unk00 = 14;
-        viCounterMsg.unk02 = 0;
-        viCounterMsg.unk04 = 0;
+        viRetraceMsg.hdr.type = 13;
+        viRetraceMsg.hdr.pri = 0;
+        viRetraceMsg.hdr.retQueue = NULL;
+        viCounterMsg.hdr.type = 14;
+        viCounterMsg.hdr.pri = 0;
+        viCounterMsg.hdr.retQueue = NULL;
         osSetEventMesg(OS_EVENT_VI, &viEventQueue, &viRetraceMsg);
         osSetEventMesg(OS_EVENT_COUNTER, &viEventQueue, &viCounterMsg);
         newPri = -1;
@@ -68,10 +59,9 @@ void viMgrMain(void* vargs) {
     OSMgrArgs* args;
     static u16 viRetrace;
     u32 addTime;
-    viMesgStruct* mesg;
+    OSIoMesg* mesg = NULL;
     u32 temp = 0; // always 0
 
-    mesg = NULL;
     viRetrace = __osViGetCurrentContext()->retraceCount;
     if (viRetrace == 0) {
         viRetrace = 1;
@@ -81,7 +71,7 @@ void viMgrMain(void* vargs) {
 
     while (true) {
         osRecvMesg(args->eventQueue, (OSMesg)&mesg, OS_MESG_BLOCK);
-        switch (mesg->unk00) {
+        switch (mesg->hdr.type) {
             case 13:
                 __osViSwapContext();
                 viRetrace--;

src/libultra_code_O1/osSetTimer.c

@@ -5,7 +5,7 @@ s32 osSetTimer(OSTimer* timer, OSTime countdown, OSTime interval, OSMesgQueue* m
     OSTimer* next;
     u32 count;
     u32 value;
-    s32 prevInt;
+    u32 prevInt;
 
     timer->next = NULL;
     timer->prev = NULL;

src/libultra_code_O1/osStopTimer.c

@@ -1,7 +1,7 @@
 #include "global.h"
 
 s32 osStopTimer(OSTimer* timer) {
-    register s32 prevInt;
+    register u32 prevInt;
     OSTimer* next;
 
     if (!timer->next) {