repo.or.cz
/
coreboot2.git
/
blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
log
|
graphiclog1
|
graphiclog2
|
commit
|
commitdiff
|
tree
|
refs
|
edit
|
fork
blame
|
history
|
raw
|
HEAD
util/intelp2m: Print the current project version
[coreboot2.git]
/
src
/
drivers
/
amd
/
agesa
/
exit_car.S
blob
894bf4030f3a767786efef21817def80bf2608d8
1
/* SPDX-License-Identifier: GPL-2.0-only */
2
3
#include <gcccar.inc>
4
#include <cpu/x86/cache.h>
5
6
.code32
7
.globl chipset_teardown_car
8
9
chipset_teardown_car:
10
pop %esp
11
12
/* Disable cache */
13
movl %cr0, %eax
14
orl $CR0_CacheDisable, %eax
15
movl %eax, %cr0
16
17
AMD_DISABLE_STACK
18
19
/* enable cache */
20
movl %cr0, %eax
21
andl $(~(CR0_CD | CR0_NW)), %eax
22
movl %eax, %cr0
23
24
jmp *%esp