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x86: add amd microcode entries to grub config

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Create initrd enries for x86 images, that'll load amd microcode as early
as possible. Also remove the preinit script responsible for late load of
microcode.

Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
This commit is contained in:
Tomasz Maciej Nowak 2018-10-31 18:48:37 +01:00 committed by John Crispin
parent 946ffe470d
commit a822283c7e
3 changed files with 14 additions and 16 deletions
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12
target/linux/x86/base-files/lib/preinit/02_load_x86_ucode
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@ -1,12 +0,0 @@
#!/bin/sh
# Copyright (C) 2018 OpenWrt.org
do_load_x86_ucode() {
if grep -q AuthenticAMD /proc/cpuinfo; then
if [ -e "/sys/devices/system/cpu/microcode/reload" ]; then
echo 1 > /sys/devices/system/cpu/microcode/reload
fi
fi
}
boot_hook_add preinit_main do_load_x86_ucode

9
target/linux/x86/image/grub-iso.cfg
View File

@ -7,7 +7,12 @@ set root='(cd)'
menuentry "@TITLE@" {
linux /boot/vmlinuz @CMDLINE@ noinitrd
if [ -s /boot/intel-ucode.img ]; then
initrd /boot/intel-ucode.img
set amd="/boot/amd-ucode.img"
set intel="/boot/intel-ucode.img"
if [ -s "$amd" ]; then
initrd $amd $intel
fi
if [ -s "$intel" ]; then
initrd $intel $amd
fi
}

9
target/linux/x86/image/grub.cfg
View File

@ -7,8 +7,13 @@ set root='(@ROOT@)'
menuentry "@TITLE@" {
linux /boot/vmlinuz @CMDLINE@ noinitrd
if [ -s /boot/intel-ucode.img ]; then
initrd /boot/intel-ucode.img
set amd="/boot/amd-ucode.img"
set intel="/boot/intel-ucode.img"
if [ -s "$amd" ]; then
initrd $amd $intel
fi
if [ -s "$intel" ]; then
initrd $intel $amd
fi
}
menuentry "@TITLE@ (failsafe)" {