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Decompile __osInsertTimer

This commit is contained in:
Ryan Dwyer 2021-01-31 12:49:52 +10:00
parent 12ae6574e5
commit 9ba7317ee3
2 changed files with 31 additions and 104 deletions
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1
Makefile
View File

@ -107,6 +107,7 @@ $(B_DIR)/lib/ultra/os/startthread.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/stopthread.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/stoptimer.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/thread.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/timerintr.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/virtualtophysical.o: OPT_LVL := -O1
$(B_DIR)/lib/ultra/os/yieldthread.o: OPT_LVL := -O1

134
src/lib/ultra/os/timerintr.c
View File

@ -1,4 +1,5 @@
#include <libultra_internal.h>
#include "game/data/data_000000.h"
GLOBAL_ASM(
glabel __osTimerServicesInit
@ -177,107 +178,32 @@ glabel __osSetTimerIntr
/* 49424: 00000000 */ nop
);
GLOBAL_ASM(
glabel __osInsertTimer
/* 49428: 27bdffc8 */ addiu $sp,$sp,-56
/* 4942c: afbf0014 */ sw $ra,0x14($sp)
/* 49430: 0c01256c */ jal __osDisableInt
/* 49434: afa40038 */ sw $a0,0x38($sp)
/* 49438: 3c0e8006 */ lui $t6,%hi(__osTimerList)
/* 4943c: 8dce08a0 */ lw $t6,%lo(__osTimerList)($t6)
/* 49440: afa20024 */ sw $v0,0x24($sp)
/* 49444: 8fb80038 */ lw $t8,0x38($sp)
/* 49448: 8dcf0000 */ lw $t7,0x0($t6)
/* 4944c: afaf0034 */ sw $t7,0x34($sp)
/* 49450: 8f090014 */ lw $t1,0x14($t8)
/* 49454: 8f080010 */ lw $t0,0x10($t8)
/* 49458: afa9002c */ sw $t1,0x2c($sp)
/* 4945c: 11ee0029 */ beq $t7,$t6,.L00049504
/* 49460: afa80028 */ sw $t0,0x28($sp)
/* 49464: 8dea0010 */ lw $t2,0x10($t7)
/* 49468: 8deb0014 */ lw $t3,0x14($t7)
/* 4946c: 010a082b */ sltu $at,$t0,$t2
/* 49470: 14200024 */ bnez $at,.L00049504
/* 49474: 0148082b */ sltu $at,$t2,$t0
/* 49478: 14200003 */ bnez $at,.L00049488
/* 4947c: 0169082b */ sltu $at,$t3,$t1
/* 49480: 10200020 */ beqz $at,.L00049504
/* 49484: 00000000 */ nop
.L00049488:
/* 49488: 27b90028 */ addiu $t9,$sp,0x28
/* 4948c: 8fb80034 */ lw $t8,0x34($sp)
/* 49490: afb90020 */ sw $t9,0x20($sp)
/* 49494: 8f2d0004 */ lw $t5,0x4($t9)
/* 49498: 8f2c0000 */ lw $t4,0x0($t9)
/* 4949c: 8f0f0014 */ lw $t7,0x14($t8)
/* 494a0: 8f0e0010 */ lw $t6,0x10($t8)
/* 494a4: 3c188006 */ lui $t8,%hi(__osTimerList)
/* 494a8: 01af082b */ sltu $at,$t5,$t7
/* 494ac: 018e4023 */ subu $t0,$t4,$t6
/* 494b0: 01014023 */ subu $t0,$t0,$at
/* 494b4: 01af4823 */ subu $t1,$t5,$t7
/* 494b8: af290004 */ sw $t1,0x4($t9)
/* 494bc: af280000 */ sw $t0,0x0($t9)
/* 494c0: 8faa0034 */ lw $t2,0x34($sp)
/* 494c4: 8f1808a0 */ lw $t8,%lo(__osTimerList)($t8)
/* 494c8: 8d4b0000 */ lw $t3,0x0($t2)
/* 494cc: 1178000d */ beq $t3,$t8,.L00049504
/* 494d0: afab0034 */ sw $t3,0x34($sp)
/* 494d4: 8fac0028 */ lw $t4,0x28($sp)
/* 494d8: 8d6e0010 */ lw $t6,0x10($t3)
/* 494dc: 8fad002c */ lw $t5,0x2c($sp)
/* 494e0: 8d6f0014 */ lw $t7,0x14($t3)
/* 494e4: 01cc082b */ sltu $at,$t6,$t4
/* 494e8: 1420ffe7 */ bnez $at,.L00049488
/* 494ec: 00000000 */ nop
/* 494f0: 018e082b */ sltu $at,$t4,$t6
/* 494f4: 14200003 */ bnez $at,.L00049504
/* 494f8: 01ed082b */ sltu $at,$t7,$t5
/* 494fc: 1420ffe2 */ bnez $at,.L00049488
/* 49500: 00000000 */ nop
.L00049504:
/* 49504: 8fb90038 */ lw $t9,0x38($sp)
/* 49508: 8fa80028 */ lw $t0,0x28($sp)
/* 4950c: 8fa9002c */ lw $t1,0x2c($sp)
/* 49510: 3c188006 */ lui $t8,%hi(__osTimerList)
/* 49514: af280010 */ sw $t0,0x10($t9)
/* 49518: af290014 */ sw $t1,0x14($t9)
/* 4951c: 8f1808a0 */ lw $t8,%lo(__osTimerList)($t8)
/* 49520: 8faa0034 */ lw $t2,0x34($sp)
/* 49524: 1158000d */ beq $t2,$t8,.L0004955c
/* 49528: 00000000 */ nop
/* 4952c: 254b0010 */ addiu $t3,$t2,0x10
/* 49530: afab001c */ sw $t3,0x1c($sp)
/* 49534: 8d4d0014 */ lw $t5,0x14($t2)
/* 49538: 8d4c0010 */ lw $t4,0x10($t2)
/* 4953c: 8fae0028 */ lw $t6,0x28($sp)
/* 49540: 8faf002c */ lw $t7,0x2c($sp)
/* 49544: 018e4023 */ subu $t0,$t4,$t6
/* 49548: 01af082b */ sltu $at,$t5,$t7
/* 4954c: 01014023 */ subu $t0,$t0,$at
/* 49550: 01af4823 */ subu $t1,$t5,$t7
/* 49554: ad490014 */ sw $t1,0x14($t2)
/* 49558: ad480010 */ sw $t0,0x10($t2)
.L0004955c:
/* 4955c: 8fb90034 */ lw $t9,0x34($sp)
/* 49560: 8fb80038 */ lw $t8,0x38($sp)
/* 49564: af190000 */ sw $t9,0x0($t8)
/* 49568: 8fab0034 */ lw $t3,0x34($sp)
/* 4956c: 8fad0038 */ lw $t5,0x38($sp)
/* 49570: 8d6c0004 */ lw $t4,0x4($t3)
/* 49574: adac0004 */ sw $t4,0x4($t5)
/* 49578: 8faf0034 */ lw $t7,0x34($sp)
/* 4957c: 8fae0038 */ lw $t6,0x38($sp)
/* 49580: 8de80004 */ lw $t0,0x4($t7)
/* 49584: ad0e0000 */ sw $t6,0x0($t0)
/* 49588: 8faa0034 */ lw $t2,0x34($sp)
/* 4958c: 8fa90038 */ lw $t1,0x38($sp)
/* 49590: ad490004 */ sw $t1,0x4($t2)
/* 49594: 0c012588 */ jal __osRestoreInt
/* 49598: 8fa40024 */ lw $a0,0x24($sp)
/* 4959c: 8fbf0014 */ lw $ra,0x14($sp)
/* 495a0: 8fa20028 */ lw $v0,0x28($sp)
/* 495a4: 8fa3002c */ lw $v1,0x2c($sp)
/* 495a8: 03e00008 */ jr $ra
/* 495ac: 27bd0038 */ addiu $sp,$sp,0x38
);
OSTime __osInsertTimer(OSTimer *t)
{
OSTimer *timep;
OSTime tim;
u32 savedMask;
savedMask = __osDisableInt();
for (timep = __osTimerList->next, tim = t->remaining;
timep != __osTimerList && tim > timep->remaining;
tim -= timep->remaining, timep = timep->next) {
;
}
t->remaining = tim;
if (timep != __osTimerList) {
timep->remaining -= tim;
}
t->next = timep;
t->prev = timep->prev;
timep->prev->next = t;
timep->prev = t;
__osRestoreInt(savedMask);
return tim;
}