update libultra asm (#648)

* update libultra asm

* fix gcc __osThreadTail

---------

Co-authored-by: MegaMech <MegaMech@users.noreply.github.com>

src/os/__osDequeueThread.c

@@ -1,15 +1,11 @@
 #include "libultra_internal.h"
 
-#ifndef AVOID_UB
-OSThread *__osThreadTail = NULL;
-u32 __osTest = -1;
-OSThread *__osRunQueue = (OSThread *) &__osThreadTail;
-OSThread *__osActiveQueue = (OSThread *) &__osThreadTail;
+NO_REORDER OSThread *__osThreadTail = NULL;
+NO_REORDER u32 __osTest = -1;
+NO_REORDER OSThread *__osRunQueue = (OSThread *) &__osThreadTail;
+NO_REORDER OSThread *__osActiveQueue = (OSThread *) &__osThreadTail;
 OSThread *__osRunningThread = NULL;
 OSThread *__osFaultedThread = NULL;
-#else
-OSThread_ListHead __osThreadTail_fix = {NULL, -1, (OSThread *) &__osThreadTail_fix, (OSThread *) &__osThreadTail_fix, NULL, 0};
-#endif
 
 void __osDequeueThread(OSThread **queue, OSThread *thread) {
     register OSThread **a2;

src/os/libultra_internal.h

@@ -10,10 +10,13 @@ typedef struct __OSEventState
     OSMesg message;
 } __OSEventState;
 
-typedef struct __osThreadTail
+typedef struct // __osThreadTail
 {
-    OSThread *next;
-    OSPri priority;
+    /* 0x00 */ OSThread *next;
+    /* 0x04 */ OSPri priority;
+    /* 0x08 */ OSThread *queue;
+    /* 0x0c */ OSThread *tlnext;
+
 } OSThreadTail;
 
 /*
@@ -31,23 +34,12 @@ typedef struct
     /*0x10*/ struct OSThread_s *unk10;
     /*0x14*/ u32 unk14;
 } OSThread_ListHead;
-#ifdef AVOID_UB
 
-// Now fix the symbols to the new one.
-extern OSThread_ListHead __osThreadTail_fix;
-
-#define __osThreadTail __osThreadTail_fix.next
-#define D_80334894 __osThreadTail_fix.priority
-#define __osRunQueue __osThreadTail_fix.queue
-#define __osActiveQueue __osThreadTail_fix.tlnext
-#define __osRunningThread __osThreadTail_fix.unk10
-#else
 // Original OSThread_ListHead definitions
 extern OSThread *__osThreadTail;
 extern OSThread *__osActiveQueue;
 extern OSThread *__osRunQueue;
 extern OSThread *__osRunningThread;
-#endif
 
 // Original EEPROM definitions
 extern u32 D_80365E00[15];

src/os/osInitialize.c

@@ -14,7 +14,7 @@ typedef struct {
 u32 D_80194040;
 
 u64 osClockRate = 62500000;
-u32 D_800EA5E8 = 0;
+u32 __osShutdown = 0;
 u32 __OSGlobalIntMask = OS_IM_ALL;
 u32 D_800EA5F0 = 0;
 

src/os/osint.h

@@ -16,14 +16,10 @@ extern void __osTimerInterrupt(void);
 extern u32 __osProbeTLB(void *);
 extern int     __osSpDeviceBusy(void);
 
-#ifdef AVOID_UB
-extern OSThread_ListHead __osThreadTail_fix;
-#else
 extern OSThread *__osRunningThread;
 extern OSThread *__osActiveQueue;
 extern OSThread *__osFaultedThread;
 extern OSThread *__osRunQueue;
-#endif
 
 extern OSTimer *__osTimerList;
 extern OSTimer __osBaseTimer;