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Decompile osCreateThread

This commit is contained in:
Ryan Dwyer 2021-01-26 23:02:30 +10:00
parent b9d20f4175
commit 97c5989763
1 changed files with 27 additions and 55 deletions
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82
src/lib/ultra/os/createthread.c
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@ -1,57 +1,29 @@
#include <libultra_internal.h>
#include "game/data/data_000000.h"
GLOBAL_ASM(
glabel osCreateThread
/* 3ee0: 27bdffe0 */ addiu $sp,$sp,-32
/* 3ee4: afbf001c */ sw $ra,0x1c($sp)
/* 3ee8: afb00018 */ sw $s0,0x18($sp)
/* 3eec: ac850014 */ sw $a1,0x14($a0)
/* 3ef0: 8fae0034 */ lw $t6,0x34($sp)
/* 3ef4: 0007c7c3 */ sra $t8,$a3,0x1f
/* 3ef8: ac800000 */ sw $zero,0x0($a0)
/* 3efc: ac800008 */ sw $zero,0x8($a0)
/* 3f00: ac86011c */ sw $a2,0x11c($a0)
/* 3f04: ac980038 */ sw $t8,0x38($a0)
/* 3f08: ac87003c */ sw $a3,0x3c($a0)
/* 3f0c: ac8e0004 */ sw $t6,0x4($a0)
/* 3f10: 8faf0030 */ lw $t7,0x30($sp)
/* 3f14: 3c0c7000 */ lui $t4,%hi(__osCleanupThread)
/* 3f18: 258c3ecc */ addiu $t4,$t4,%lo(__osCleanupThread)
/* 3f1c: 000f47c3 */ sra $t0,$t7,0x1f
/* 3f20: 2de10010 */ sltiu $at,$t7,0x10
/* 3f24: 01015023 */ subu $t2,$t0,$at
/* 3f28: 3c0d0400 */ lui $t5,0x400
/* 3f2c: 3c190100 */ lui $t9,0x100
/* 3f30: 000c77c3 */ sra $t6,$t4,0x1f
/* 3f34: 35adff03 */ ori $t5,$t5,0xff03
/* 3f38: 2418003f */ addiu $t8,$zero,0x3f
/* 3f3c: 37390800 */ ori $t9,$t9,0x800
/* 3f40: 24080001 */ addiu $t0,$zero,0x1
/* 3f44: 25ebfff0 */ addiu $t3,$t7,-16
/* 3f48: 00808025 */ or $s0,$a0,$zero
/* 3f4c: ac8b00f4 */ sw $t3,0xf4($a0)
/* 3f50: ac8a00f0 */ sw $t2,0xf0($a0)
/* 3f54: ac8e0100 */ sw $t6,0x100($a0)
/* 3f58: ac8c0104 */ sw $t4,0x104($a0)
/* 3f5c: ac8d0118 */ sw $t5,0x118($a0)
/* 3f60: ac980128 */ sw $t8,0x128($a0)
/* 3f64: ac99012c */ sw $t9,0x12c($a0)
/* 3f68: ac800018 */ sw $zero,0x18($a0)
/* 3f6c: a4880010 */ sh $t0,0x10($a0)
/* 3f70: 0c01256c */ jal __osDisableInt
/* 3f74: a4800012 */ sh $zero,0x12($a0)
/* 3f78: 3c038006 */ lui $v1,%hi(__osActiveQueue)
/* 3f7c: 2463093c */ addiu $v1,$v1,%lo(__osActiveQueue)
/* 3f80: 8c690000 */ lw $t1,0x0($v1)
/* 3f84: 00402025 */ or $a0,$v0,$zero
/* 3f88: ae09000c */ sw $t1,0xc($s0)
/* 3f8c: 0c012588 */ jal __osRestoreInt
/* 3f90: ac700000 */ sw $s0,0x0($v1)
/* 3f94: 8fbf001c */ lw $ra,0x1c($sp)
/* 3f98: 8fb00018 */ lw $s0,0x18($sp)
/* 3f9c: 27bd0020 */ addiu $sp,$sp,0x20
/* 3fa0: 03e00008 */ jr $ra
/* 3fa4: 00000000 */ nop
/* 3fa8: 00000000 */ nop
/* 3fac: 00000000 */ nop
);
void __osCleanupThread(void);
void osCreateThread(OSThread *t, OSId id, void (*entry)(void *), void *arg, void *sp, OSPri p)
{
register u32 saveMask;
OSIntMask mask;
t->id = id;
t->priority = p;
t->next = NULL;
t->queue = NULL;
t->context.pc = (u32)entry;
t->context.a0 = (u64)arg;
t->context.sp = (u64)sp - 16;
t->context.ra = (u64)__osCleanupThread;
mask = OS_IM_ALL;
t->context.sr = SR_FR | SR_IMASK | SR_EXL | SR_IE;
t->context.rcp = (mask & RCP_IMASK) >> RCP_IMASKSHIFT;
t->context.fpcsr = (u32)(FPCSR_FS | FPCSR_EV);
t->fp = 0;
t->state = OS_STATE_STOPPED;
t->flags = 0;
saveMask = __osDisableInt();
t->tlnext = __osActiveQueue;
__osActiveQueue = t;
__osRestoreInt(saveMask);
}