grub/grub-core/kern/mips/cache_flush.S
2011-05-13 16:41:26 +02:00

23 lines
374 B
ArmAsm

move $t2, $a0
addu $t3, $a0, $a1
srl $t2, $t2, 5
sll $t2, $t2, 5
addu $t3, $t3, 0x1f
srl $t3, $t3, 5
sll $t3, $t3, 5
move $t0, $t2
subu $t1, $t3, $t2
1:
cache 1, 0($t0)
addiu $t1, $t1, -0x4
bne $t1, $zero, 1b
addiu $t0, $t0, 0x4
sync
move $t0, $t2
subu $t1, $t3, $t2
2:
cache 0, 0($t0)
addiu $t1, $t1, -0x4
bne $t1, $zero, 2b
addiu $t0, $t0, 0x4
sync