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Decompile __osSiRawReadIo

This commit is contained in:
Ryan Dwyer 2021-01-30 01:17:25 +10:00
parent 16cc0740c0
commit d6273ae68b
1 changed files with 10 additions and 25 deletions
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35
src/lib/ultra/io/sirawread.c
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@ -1,27 +1,12 @@
#include <libultra_internal.h>
GLOBAL_ASM(
glabel __osSiRawReadIo
/* 4ace0: 27bdffe8 */ addiu $sp,$sp,-24
/* 4ace4: afbf0014 */ sw $ra,0x14($sp)
/* 4ace8: afa40018 */ sw $a0,0x18($sp)
/* 4acec: 0c014718 */ jal __osSiDeviceBusy
/* 4acf0: afa5001c */ sw $a1,0x1c($sp)
/* 4acf4: 10400003 */ beqz $v0,.L0004ad04
/* 4acf8: 8fae0018 */ lw $t6,0x18($sp)
/* 4acfc: 10000007 */ b .L0004ad1c
/* 4ad00: 2402ffff */ addiu $v0,$zero,-1
.L0004ad04:
/* 4ad04: 3c01a000 */ lui $at,0xa000
/* 4ad08: 01c17825 */ or $t7,$t6,$at
/* 4ad0c: 8df80000 */ lw $t8,0x0($t7)
/* 4ad10: 8fb9001c */ lw $t9,0x1c($sp)
/* 4ad14: 00001025 */ or $v0,$zero,$zero
/* 4ad18: af380000 */ sw $t8,0x0($t9)
.L0004ad1c:
/* 4ad1c: 8fbf0014 */ lw $ra,0x14($sp)
/* 4ad20: 27bd0018 */ addiu $sp,$sp,0x18
/* 4ad24: 03e00008 */ jr $ra
/* 4ad28: 00000000 */ nop
/* 4ad2c: 00000000 */ nop
);
s32 __osSiRawReadIo(u32 devAddr, u32 *data)
{
if (__osSiDeviceBusy()) {
return -1;
}
*data = IO_READ(devAddr);
return 0;
}