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Decompile __osSetTimerIntr

This commit is contained in:
Ryan Dwyer 2021-01-31 12:52:11 +10:00
parent 9ba7317ee3
commit ddb4d0ac0f
3 changed files with 22 additions and 39 deletions
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2
src/gvars/gvars.c
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@ -14026,7 +14026,7 @@ OSTimer var8009c760 = {0};
u64 __osCurrentTime = 0;
u32 __osBaseCounter = 0;
u32 var8009c78c = 0;
u32 var8009c790 = 0;
u32 __osTimerCounter = 0;
u32 var8009c794 = 0;
u32 var8009c798 = 0;
u32 var8009c79c = 0;

1
src/include/gvars/gvars.h
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@ -474,6 +474,7 @@ extern OSTimer var8009c760;
extern u64 __osCurrentTime;
extern u32 __osBaseCounter;
extern u32 var8009c78c;
extern u32 __osTimerCounter;
extern OSMesg piAccessBuf;
extern OSMesgQueue __osPiAccessQueue;
extern OSMesg siAccessBuf;

58
src/lib/ultra/os/timerintr.c
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@ -1,5 +1,6 @@
#include <libultra_internal.h>
#include "game/data/data_000000.h"
#include "gvars/gvars.h"
GLOBAL_ASM(
glabel __osTimerServicesInit
@ -57,21 +58,21 @@ glabel __osTimerInterrupt
/* 49268: afb90024 */ sw $t9,0x24($sp)
/* 4926c: 0c014620 */ jal __osSetCompare
/* 49270: 00002025 */ or $a0,$zero,$zero
/* 49274: 3c01800a */ lui $at,%hi(var8009c790)
/* 49274: 3c01800a */ lui $at,%hi(__osTimerCounter)
/* 49278: 1000004a */ b .L000493a4
/* 4927c: ac20c790 */ sw $zero,%lo(var8009c790)($at)
/* 4927c: ac20c790 */ sw $zero,%lo(__osTimerCounter)($at)
.L00049280:
/* 49280: 0c012144 */ jal osGetCount
/* 49284: 00000000 */ nop
/* 49288: afa20020 */ sw $v0,0x20($sp)
/* 4928c: 3c09800a */ lui $t1,%hi(var8009c790)
/* 49290: 8d29c790 */ lw $t1,%lo(var8009c790)($t1)
/* 4928c: 3c09800a */ lui $t1,%hi(__osTimerCounter)
/* 49290: 8d29c790 */ lw $t1,%lo(__osTimerCounter)($t1)
/* 49294: 8fa80020 */ lw $t0,0x20($sp)
/* 49298: 8faf0024 */ lw $t7,0x24($sp)
/* 4929c: 3c01800a */ lui $at,%hi(var8009c790)
/* 4929c: 3c01800a */ lui $at,%hi(__osTimerCounter)
/* 492a0: 01095023 */ subu $t2,$t0,$t1
/* 492a4: afaa001c */ sw $t2,0x1c($sp)
/* 492a8: ac28c790 */ sw $t0,%lo(var8009c790)($at)
/* 492a8: ac28c790 */ sw $t0,%lo(__osTimerCounter)($at)
/* 492ac: 8dee0010 */ lw $t6,0x10($t7)
/* 492b0: 8fab001c */ lw $t3,0x1c($sp)
/* 492b4: 240c0000 */ addiu $t4,$zero,0x0
@ -145,38 +146,19 @@ glabel __osTimerInterrupt
/* 493b0: 00000000 */ nop
);
GLOBAL_ASM(
glabel __osSetTimerIntr
/* 493b4: 27bdffd8 */ addiu $sp,$sp,-40
/* 493b8: afbf0014 */ sw $ra,0x14($sp)
/* 493bc: afa40028 */ sw $a0,0x28($sp)
/* 493c0: 0c01256c */ jal __osDisableInt
/* 493c4: afa5002c */ sw $a1,0x2c($sp)
/* 493c8: 0c012144 */ jal osGetCount
/* 493cc: afa2001c */ sw $v0,0x1c($sp)
/* 493d0: 3c01800a */ lui $at,%hi(var8009c790)
/* 493d4: ac22c790 */ sw $v0,%lo(var8009c790)($at)
/* 493d8: 3c0e800a */ lui $t6,%hi(var8009c790)
/* 493dc: 8dcec790 */ lw $t6,%lo(var8009c790)($t6)
/* 493e0: 8fa9002c */ lw $t1,0x2c($sp)
/* 493e4: 8fa80028 */ lw $t0,0x28($sp)
/* 493e8: 01c0c825 */ or $t9,$t6,$zero
/* 493ec: 03295821 */ addu $t3,$t9,$t1
/* 493f0: 24180000 */ addiu $t8,$zero,0x0
/* 493f4: 0169082b */ sltu $at,$t3,$t1
/* 493f8: 00385021 */ addu $t2,$at,$t8
/* 493fc: 01485021 */ addu $t2,$t2,$t0
/* 49400: afaa0020 */ sw $t2,0x20($sp)
/* 49404: afab0024 */ sw $t3,0x24($sp)
/* 49408: 0c014620 */ jal __osSetCompare
/* 4940c: 01602025 */ or $a0,$t3,$zero
/* 49410: 0c012588 */ jal __osRestoreInt
/* 49414: 8fa4001c */ lw $a0,0x1c($sp)
/* 49418: 8fbf0014 */ lw $ra,0x14($sp)
/* 4941c: 27bd0028 */ addiu $sp,$sp,0x28
/* 49420: 03e00008 */ jr $ra
/* 49424: 00000000 */ nop
);
void __osSetTimerIntr(OSTime tim)
{
OSTime NewTime;
u32 savedMask;
savedMask = __osDisableInt();
__osTimerCounter = osGetCount();
NewTime = tim + __osTimerCounter;
__osSetCompare(NewTime);
__osRestoreInt(savedMask);
}
OSTime __osInsertTimer(OSTimer *t)
{