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https://gitlab.com/ryandwyer/perfect-dark
synced 2026-09-08 19:22:27 -04:00
Decompile __osTimerInterrupt
This commit is contained in:
Ryan Dwyer
+44
-104
@@ -41,110 +41,50 @@ glabel __osTimerServicesInit
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/* 49238: af00001c */ sw $zero,0x1c($t8)
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);
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GLOBAL_ASM(
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glabel __osTimerInterrupt
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/* 4923c: 3c0e8006 */ lui $t6,%hi(__osTimerList)
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/* 49240: 8dce08a0 */ lw $t6,%lo(__osTimerList)($t6)
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/* 49244: 27bdffd8 */ addiu $sp,$sp,-40
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/* 49248: afbf0014 */ sw $ra,0x14($sp)
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/* 4924c: 8dcf0000 */ lw $t7,0x0($t6)
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/* 49250: 11ee0054 */ beq $t7,$t6,.L000493a4
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/* 49254: 00000000 */ nop
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.L00049258:
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/* 49258: 3c188006 */ lui $t8,%hi(__osTimerList)
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/* 4925c: 8f1808a0 */ lw $t8,%lo(__osTimerList)($t8)
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/* 49260: 8f190000 */ lw $t9,0x0($t8)
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/* 49264: 17380006 */ bne $t9,$t8,.L00049280
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/* 49268: afb90024 */ sw $t9,0x24($sp)
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/* 4926c: 0c014620 */ jal __osSetCompare
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/* 49270: 00002025 */ or $a0,$zero,$zero
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/* 49274: 3c01800a */ lui $at,%hi(__osTimerCounter)
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/* 49278: 1000004a */ b .L000493a4
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/* 4927c: ac20c790 */ sw $zero,%lo(__osTimerCounter)($at)
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.L00049280:
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/* 49280: 0c012144 */ jal osGetCount
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/* 49284: 00000000 */ nop
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/* 49288: afa20020 */ sw $v0,0x20($sp)
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/* 4928c: 3c09800a */ lui $t1,%hi(__osTimerCounter)
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/* 49290: 8d29c790 */ lw $t1,%lo(__osTimerCounter)($t1)
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/* 49294: 8fa80020 */ lw $t0,0x20($sp)
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/* 49298: 8faf0024 */ lw $t7,0x24($sp)
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/* 4929c: 3c01800a */ lui $at,%hi(__osTimerCounter)
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/* 492a0: 01095023 */ subu $t2,$t0,$t1
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/* 492a4: afaa001c */ sw $t2,0x1c($sp)
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/* 492a8: ac28c790 */ sw $t0,%lo(__osTimerCounter)($at)
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/* 492ac: 8dee0010 */ lw $t6,0x10($t7)
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/* 492b0: 8fab001c */ lw $t3,0x1c($sp)
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/* 492b4: 240c0000 */ addiu $t4,$zero,0x0
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/* 492b8: 01e0c825 */ or $t9,$t7,$zero
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/* 492bc: 01cc082b */ sltu $at,$t6,$t4
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/* 492c0: 8def0014 */ lw $t7,0x14($t7)
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/* 492c4: 14200016 */ bnez $at,.L00049320
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/* 492c8: 01606825 */ or $t5,$t3,$zero
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/* 492cc: 018e082b */ sltu $at,$t4,$t6
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/* 492d0: 14200003 */ bnez $at,.L000492e0
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/* 492d4: 01af082b */ sltu $at,$t5,$t7
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/* 492d8: 10200011 */ beqz $at,.L00049320
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/* 492dc: 00000000 */ nop
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.L000492e0:
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/* 492e0: 27380010 */ addiu $t8,$t9,0x10
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/* 492e4: afb80018 */ sw $t8,0x18($sp)
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/* 492e8: 8f2b0014 */ lw $t3,0x14($t9)
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/* 492ec: 8f2a0010 */ lw $t2,0x10($t9)
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/* 492f0: 016d082b */ sltu $at,$t3,$t5
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/* 492f4: 014c4023 */ subu $t0,$t2,$t4
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/* 492f8: 01014023 */ subu $t0,$t0,$at
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/* 492fc: 016d4823 */ subu $t1,$t3,$t5
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/* 49300: af290014 */ sw $t1,0x14($t9)
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/* 49304: af280010 */ sw $t0,0x10($t9)
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/* 49308: 8fae0024 */ lw $t6,0x24($sp)
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/* 4930c: 8dc40010 */ lw $a0,0x10($t6)
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/* 49310: 0c0124ed */ jal __osSetTimerIntr
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/* 49314: 8dc50014 */ lw $a1,0x14($t6)
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/* 49318: 10000022 */ b .L000493a4
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/* 4931c: 00000000 */ nop
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.L00049320:
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/* 49320: 8faf0024 */ lw $t7,0x24($sp)
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/* 49324: 8df80000 */ lw $t8,0x0($t7)
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/* 49328: 8dea0004 */ lw $t2,0x4($t7)
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/* 4932c: ad580000 */ sw $t8,0x0($t2)
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/* 49330: 8fab0024 */ lw $t3,0x24($sp)
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/* 49334: 8d6c0004 */ lw $t4,0x4($t3)
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/* 49338: 8d6d0000 */ lw $t5,0x0($t3)
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/* 4933c: adac0004 */ sw $t4,0x4($t5)
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/* 49340: 8fa80024 */ lw $t0,0x24($sp)
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/* 49344: ad000000 */ sw $zero,0x0($t0)
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/* 49348: 8fa90024 */ lw $t1,0x24($sp)
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/* 4934c: ad200004 */ sw $zero,0x4($t1)
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/* 49350: 8fb90024 */ lw $t9,0x24($sp)
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/* 49354: 8f2e0018 */ lw $t6,0x18($t9)
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/* 49358: 11c00005 */ beqz $t6,.L00049370
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/* 4935c: 00000000 */ nop
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/* 49360: 01c02025 */ or $a0,$t6,$zero
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/* 49364: 8f25001c */ lw $a1,0x1c($t9)
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/* 49368: 0c012238 */ jal osSendMesg
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/* 4936c: 00003025 */ or $a2,$zero,$zero
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.L00049370:
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/* 49370: 8faf0024 */ lw $t7,0x24($sp)
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/* 49374: 8df80008 */ lw $t8,0x8($t7)
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/* 49378: 8df9000c */ lw $t9,0xc($t7)
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/* 4937c: 17000003 */ bnez $t8,.L0004938c
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/* 49380: 00000000 */ nop
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/* 49384: 1320ffb4 */ beqz $t9,.L00049258
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/* 49388: 00000000 */ nop
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.L0004938c:
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/* 4938c: adf80010 */ sw $t8,0x10($t7)
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/* 49390: adf90014 */ sw $t9,0x14($t7)
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/* 49394: 0c01250a */ jal __osInsertTimer
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/* 49398: 8fa40024 */ lw $a0,0x24($sp)
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/* 4939c: 1000ffae */ b .L00049258
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/* 493a0: 00000000 */ nop
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.L000493a4:
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/* 493a4: 8fbf0014 */ lw $ra,0x14($sp)
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/* 493a8: 27bd0028 */ addiu $sp,$sp,0x28
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/* 493ac: 03e00008 */ jr $ra
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/* 493b0: 00000000 */ nop
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);
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void __osTimerInterrupt(void)
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{
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OSTimer *t;
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u32 count;
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u32 elapsed_cycles;
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if (__osTimerList->next == __osTimerList) {
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return;
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}
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while (1) {
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t = __osTimerList->next;
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if (t == __osTimerList) {
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__osSetCompare(0);
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__osTimerCounter = 0;
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break;
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}
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count = osGetCount();
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elapsed_cycles = count - __osTimerCounter;
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__osTimerCounter = count;
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if (elapsed_cycles < t->remaining) {
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t->remaining -= elapsed_cycles;
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__osSetTimerIntr(t->remaining);
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return;
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} else {
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t->prev->next = t->next;
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t->next->prev = t->prev;
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t->next = NULL;
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t->prev = NULL;
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if (t->mq != NULL) {
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osSendMesg(t->mq, t->msg, OS_MESG_NOBLOCK);
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}
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if (t->interval != 0) {
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t->remaining = t->interval;
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__osInsertTimer(t);
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}
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}
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}
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}
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void __osSetTimerIntr(OSTime tim)
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{
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