[arch-releng] [RFC] [PATCH] [configs/releng] Make and use amd_ucode.bin for initrd.

[Christian Hesse]

Christian Hesse <list at eworm.de> on Thu, 2018/08/23 11:20:
> Christian Hesse <list at eworm.de> on Wed, 2018/08/22 11:24:
> > Gerardo Exequiel Pozzi via arch-releng <arch-releng at archlinux.org> on Sat,
> > 2018/08/18 23:29:  
> > > +# Prepare amd_ucode
> > > +make_amd_ucode_img() {
> > > +    mkdir -p ${work_dir}/amd-ucode/kernel/x86/microcode
> > > +    cat
> > > ${work_dir}/x86_64/airootfs/lib/firmware/amd-ucode/microcode_amd*.bin >
> > > ${work_dir}/amd-ucode/kernel/x86/microcode/AuthenticAMD.bin
> > > +    pushd ${work_dir}/amd-ucode > /dev/null
> > > +    echo kernel/x86/microcode/AuthenticAMD.bin | bsdcpio -o -H newc -R
> > > 0:0    
> > > > amd-ucode.img    
> > > +    popd > /dev/null
> > > +    cp ${work_dir}/amd-ucode/amd-ucode.img
> > > ${work_dir}/x86_64/airootfs/boot/amd-ucode.img +}    
> > 
> > Wondering if we should put this into a package... Could be a split package
> > of linux-firmware. Any opinion on this?  
> 
> [ Added Laurent to CC as he maintains the linux-firmware package. ]
> 
> I've attached a proposal patch to add a split package amd-ucode-early to
> linux-firmware. Any objections? Is the name ok or do we prefer just
> 'amd-ucode'?
> 
> And another note... Did anybody test if microcode is updated properly if
> both, intel-ucode.img and amd-ucode, are loaded?

Oh, attachments are stripped, so adding inline...

Index: PKGBUILD
===================================================================
--- PKGBUILD	(revision 332849)
+++ PKGBUILD	(working copy)
@@ -1,40 +1,16 @@
 # $Id$
 # Maintainer: Thomas Bächler <thomas at archlinux.org>
 
-pkgname=linux-firmware
+pkgbase=linux-firmware
+pkgname=(linux-firmware amd-ucode-early)
 _commit=f1b95fe5a51830bb8c1712082de4279a042376b6 # master
 pkgver=20180815.f1b95fe
-pkgrel=1
+pkgrel=2
 pkgdesc="Firmware files for Linux"
 makedepends=('git')
 arch=('any')
 url="http://git.kernel.org/?p=linux/kernel/git/firmware/linux-firmware.git;a=summary"
 license=('GPL2' 'GPL3' 'custom')
-conflicts=('linux-firmware-git'
-           'kernel26-firmware'
-           'ar9170-fw'
-           'iwlwifi-1000-ucode'
-           'iwlwifi-3945-ucode'
-           'iwlwifi-4965-ucode'
-           'iwlwifi-5000-ucode'
-           'iwlwifi-5150-ucode'
-           'iwlwifi-6000-ucode'
-           'rt2870usb-fw'
-           'rt2x00-rt61-fw'
-           'rt2x00-rt71w-fw'
-           'amd-ucode')
-replaces=('kernel26-firmware'
-          'ar9170-fw'
-          'iwlwifi-1000-ucode'
-          'iwlwifi-3945-ucode'
-          'iwlwifi-4965-ucode'
-          'iwlwifi-5000-ucode'
-          'iwlwifi-5150-ucode'
-          'iwlwifi-6000-ucode'
-          'rt2870usb-fw'
-          'rt2x00-rt61-fw'
-          'rt2x00-rt71w-fw'
-          'amd-ucode')
 options=(!strip)
 source=("git+https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git#commit=${_commit}")
 md5sums=('SKIP')
@@ -50,7 +26,39 @@
   echo $(TZ=UTC git show -s --pretty=%cd --date=format-local:%Y%m%d HEAD).$(git rev-parse --short HEAD)
 }
 
-package() {
+build() {
+  mkdir -p kernel/x86/microcode
+  cat ${pkgbase}/amd-ucode/microcode_amd*.bin > kernel/x86/microcode/AuthenticAMD.bin
+  echo kernel/x86/microcode/AuthenticAMD.bin | bsdcpio -o -H newc -R 0:0 > amd-ucode.img
+}
+
+package_linux-firmware() {
+  conflicts=('linux-firmware-git'
+             'kernel26-firmware'
+             'ar9170-fw'
+             'iwlwifi-1000-ucode'
+             'iwlwifi-3945-ucode'
+             'iwlwifi-4965-ucode'
+             'iwlwifi-5000-ucode'
+             'iwlwifi-5150-ucode'
+             'iwlwifi-6000-ucode'
+             'rt2870usb-fw'
+             'rt2x00-rt61-fw'
+             'rt2x00-rt71w-fw'
+             'amd-ucode')
+  replaces=('kernel26-firmware'
+            'ar9170-fw'
+            'iwlwifi-1000-ucode'
+            'iwlwifi-3945-ucode'
+            'iwlwifi-4965-ucode'
+            'iwlwifi-5000-ucode'
+            'iwlwifi-5150-ucode'
+            'iwlwifi-6000-ucode'
+            'rt2870usb-fw'
+            'rt2x00-rt61-fw'
+            'rt2x00-rt71w-fw'
+            'amd-ucode')
+
   cd "${srcdir}/${pkgname}"
 
   make DESTDIR="${pkgdir}" FIRMWAREDIR=/usr/lib/firmware install
@@ -64,4 +72,11 @@
   echo 'w /sys/devices/system/cpu/microcode/reload - - - - 1' \
     >"${pkgdir}/usr/lib/tmpfiles.d/${pkgname}.conf"
 }
+
+package_amd-ucode-early() {
+  description='Early microcode update files for AMD CPUs'
+
+  install -D -m0644 amd-ucode.img "${pkgdir}"/boot/amd-ucode.img  
+}
+
 # vim:set ts=2 sw=2 et:

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