sm64/lib/asm/osInvalDCache.s
2021-07-12 23:17:54 -04:00

60 lines
1.1 KiB
ArmAsm

.set noat // allow manual use of $at
.set noreorder // don't insert nops after branches
.set gp=64
#include "macros.inc"
.section .text, "ax"
glabel osInvalDCache
blez $a1, .L80323500
nop
li $t3, 8192
sltu $at, $a1, $t3
beqz $at, .L80323508
nop
move $t0, $a0
addu $t1, $a0, $a1
sltu $at, $t0, $t1
beqz $at, .L80323500
nop
andi $t2, $t0, 0xf
beqz $t2, .L803234D0
addiu $t1, $t1, -0x10
subu $t0, $t0, $t2
cache 0x15, ($t0)
sltu $at, $t0, $t1
beqz $at, .L80323500
nop
addiu $t0, $t0, 0x10
.L803234D0:
andi $t2, $t1, 0xf
beqz $t2, .L803234F0
nop
subu $t1, $t1, $t2
cache 0x15, 0x10($t1)
sltu $at, $t1, $t0
bnez $at, .L80323500
nop
.L803234F0:
cache 0x11, ($t0)
sltu $at, $t0, $t1
bnez $at, .L803234F0
addiu $t0, $t0, 0x10
.L80323500:
jr $ra
nop
.L80323508:
li $t0, K0BASE
addu $t1, $t0, $t3
addiu $t1, $t1, -0x10
.L80323514:
cache 1, ($t0)
sltu $at, $t0, $t1
bnez $at, .L80323514
addiu $t0, $t0, 0x10
jr $ra
nop