mirror of
https://git.proxmox.com/git/grub2
synced 2025-10-31 08:43:24 +00:00
0d8f04cd83
when rest of GRUB is compiled for hisher stepping. Instead use .set mips3/.set mips1 around cache and sync opcodes.
55 lines
883 B
ArmAsm
55 lines
883 B
ArmAsm
#ifndef CACHE_OP_DEFINED
|
|
#define CACHE_OP_DEFINED 1
|
|
.macro cache_op op addr
|
|
.set mips3
|
|
cache \op, \addr
|
|
.set mips1
|
|
.endm
|
|
.macro sync_op
|
|
.set mips3
|
|
sync
|
|
.set mips1
|
|
.endm
|
|
#endif
|
|
|
|
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, $t2
|
|
1:
|
|
cache_op 1, 0($t0)
|
|
/* All four ways. */
|
|
#ifdef GRUB_MACHINE_MIPS_LOONGSON
|
|
cache_op 1, 1($t0)
|
|
cache_op 1, 2($t0)
|
|
cache_op 1, 3($t0)
|
|
addiu $t1, $t1, -0x20
|
|
bne $t1, $zero, 1b
|
|
addiu $t0, $t0, 0x20
|
|
|
|
#else
|
|
addiu $t1, $t1, -0x4
|
|
bne $t1, $zero, 1b
|
|
addiu $t0, $t0, 0x4
|
|
#endif
|
|
sync_op
|
|
move $t0, $t2
|
|
subu $t1, $t3, $t2
|
|
2:
|
|
cache_op 0, 0($t0)
|
|
#ifdef GRUB_MACHINE_MIPS_LOONGSON
|
|
addiu $t1, $t1, -0x20
|
|
bne $t1, $zero, 2b
|
|
addiu $t0, $t0, 0x20
|
|
#else
|
|
addiu $t1, $t1, -0x4
|
|
bne $t1, $zero, 2b
|
|
addiu $t0, $t0, 0x4
|
|
#endif
|
|
sync_op
|