You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
255 lines
9.0 KiB
255 lines
9.0 KiB
# Copyright 1999-2018 Gentoo Foundation
|
|
# Distributed under the terms of the GNU General Public License v2
|
|
|
|
EAPI="6"
|
|
|
|
inherit linux-info toolchain-funcs mount-boot
|
|
|
|
# Find updates by searching and clicking the first link (hopefully it's the one):
|
|
# https://www.intel.com/content/www/us/en/search.html?keyword=Processor+Microcode+Data+File
|
|
|
|
COLLECTION_SNAPSHOT="${PV##*_p}"
|
|
INTEL_SNAPSHOT="${PV/_p*}"
|
|
NUM="28039"
|
|
DESCRIPTION="Intel IA32/IA64 microcode update data"
|
|
HOMEPAGE="http://inertiawar.com/microcode/ https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=${NUM}"
|
|
SRC_URI="https://downloadmirror.intel.com/${NUM}/eng/microcode-${INTEL_SNAPSHOT}.tgz
|
|
https://dev.gentoo.org/~whissi/dist/intel-microcode/intel-microcode-collection-${COLLECTION_SNAPSHOT}.tar.xz"
|
|
|
|
LICENSE="intel-ucode"
|
|
SLOT="0"
|
|
KEYWORDS="-* ~amd64 ~x86"
|
|
IUSE="hostonly initramfs +split-ucode vanilla"
|
|
REQUIRED_USE="|| ( initramfs split-ucode )"
|
|
|
|
DEPEND="sys-apps/iucode_tool"
|
|
|
|
# !<sys-apps/microcode-ctl-1.17-r2 due to bug #268586
|
|
RDEPEND="!<sys-apps/microcode-ctl-1.17-r2
|
|
hostonly? ( sys-apps/iucode_tool )"
|
|
|
|
RESTRICT="binchecks strip"
|
|
|
|
S=${WORKDIR}
|
|
|
|
# Blacklist bad microcode here.
|
|
# 0x000406f1 aka 06-4f-01 aka CPUID 406F1 require newer microcode loader
|
|
MICROCODE_BLACKLIST_DEFAULT="-s !0x000406f1"
|
|
MICROCODE_BLACKLIST="${MICROCODE_BLACKLIST:=${MICROCODE_BLACKLIST_DEFAULT}}"
|
|
|
|
# In case we want to set some defaults ...
|
|
MICROCODE_SIGNATURES_DEFAULT=""
|
|
|
|
# Advanced users only:
|
|
# merge with:
|
|
# only current CPU: MICROCODE_SIGNATURES="-S"
|
|
# only specific CPU: MICROCODE_SIGNATURES="-s 0x00000f4a -s 0x00010676"
|
|
# exclude specific CPU: MICROCODE_SIGNATURES="-s !0x00000686"
|
|
MICROCODE_SIGNATURES="${MICROCODE_SIGNATURES:=${MICROCODE_SIGNATURES_DEFAULT}}"
|
|
|
|
pkg_pretend() {
|
|
use initramfs && mount-boot_pkg_pretend
|
|
}
|
|
|
|
src_prepare() {
|
|
default
|
|
|
|
# Prevent "invalid file format" errors from iucode_tool
|
|
rm -f "${S}"/intel-ucod*/list || die
|
|
}
|
|
|
|
src_install() {
|
|
# This will take ALL of the upstream microcode sources:
|
|
# - microcode.dat
|
|
# - intel-ucode/
|
|
# In some cases, they have not contained the same content (eg the directory has newer stuff).
|
|
MICROCODE_SRC=(
|
|
"${S}"/intel-ucode/
|
|
"${S}"/intel-ucode-with-caveats/
|
|
)
|
|
|
|
# Allow users who are scared about microcode updates not included in Intel's official
|
|
# microcode tarball to opt-out and comply with Intel marketing
|
|
if ! use vanilla; then
|
|
MICROCODE_SRC+=( "${S}"/intel-microcode-collection-${COLLECTION_SNAPSHOT} )
|
|
fi
|
|
|
|
opts=(
|
|
${MICROCODE_BLACKLIST}
|
|
${MICROCODE_SIGNATURES}
|
|
# be strict about what we are doing
|
|
--overwrite
|
|
--strict-checks
|
|
--no-ignore-broken
|
|
# we want to install latest version
|
|
--no-downgrade
|
|
# show everything we find
|
|
--list-all
|
|
# show what we selected
|
|
--list
|
|
)
|
|
|
|
# The earlyfw cpio needs to be in /boot because it must be loaded before
|
|
# rootfs is mounted.
|
|
use initramfs && dodir /boot && opts+=( --write-earlyfw="${ED%/}"/boot/intel-uc.img )
|
|
# split location (we use a temporary location so that we are able
|
|
# to re-run iucode_tool in pkg_preinst; use keepdir instead of dodir to carry
|
|
# this folder to pkg_preinst to avoid an error even if no microcode was selected):
|
|
keepdir /tmp/intel-ucode && opts+=( --write-firmware="${ED%/}"/tmp/intel-ucode )
|
|
|
|
iucode_tool \
|
|
"${opts[@]}" \
|
|
"${MICROCODE_SRC[@]}" \
|
|
|| die "iucode_tool ${opts[@]} ${MICROCODE_SRC[@]}"
|
|
|
|
dodoc releasenote
|
|
|
|
# Record how package was created so we can show this in build.log
|
|
# even for binary packages.
|
|
if [[ "${MICROCODE_BLACKLIST}" != "${MICROCODE_BLACKLIST_DEFAULT}" ]]; then
|
|
echo ${MICROCODE_BLACKLIST} > "${ED%/}/tmp/.blacklist_altered" || die "Failed to add marker that MICROCODE_BLACKLIST variable was used"
|
|
fi
|
|
|
|
if [[ "${MICROCODE_SIGNATURES}" != "${MICROCODE_SIGNATURES_DEFAULT}" ]]; then
|
|
echo ${MICROCODE_SIGNATURES} > "${ED%/}/tmp/.signatures_altered" || die "Failed to add marker that MICROCODE_SIGNATURES variable was used"
|
|
fi
|
|
}
|
|
|
|
pkg_preinst() {
|
|
if [[ -f "${ED%/}/tmp/.blacklist_altered" ]]; then
|
|
local _recorded_MICROCODE_BLACKLIST_value=$(cat "${ED%/}/tmp/.blacklist_altered")
|
|
ewarn "MICROCODE_BLACKLIST is set to \"${_recorded_MICROCODE_BLACKLIST_value}\" instead of default \"${MICROCODE_BLACKLIST_DEFAULT}\". You are on your own!"
|
|
fi
|
|
|
|
if [[ -f "${ED%/}/tmp/.signatures_altered" ]]; then
|
|
local _recorded_MICROCODE_SIGNATURES_value=$(cat "${ED%/}/tmp/.signatures_altered")
|
|
ewarn "Package was created using advanced options:"
|
|
ewarn "MICROCODE_SIGNATURES is set to \"${_recorded_MICROCODE_SIGNATURES_value}\" instead of default \"${MICROCODE_SIGNATURES_DEFAULT}\"!"
|
|
fi
|
|
|
|
# Make sure /boot is available if needed.
|
|
use initramfs && mount-boot_pkg_preinst
|
|
|
|
local _initramfs_file="${ED%/}/boot/intel-uc.img"
|
|
local _ucode_dir="${ED%/}/lib/firmware/intel-ucode"
|
|
|
|
if use hostonly; then
|
|
# While this output looks redundant we do this check to detect
|
|
# rare cases where iucode_tool was unable to detect system's processor(s).
|
|
local _detected_processors=$(iucode_tool --scan-system 2>&1)
|
|
if [[ -z "${_detected_processors}" ]]; then
|
|
ewarn "Looks like iucode_tool was unable to detect any processor!"
|
|
else
|
|
einfo "Only installing ucode(s) for ${_detected_processors#iucode_tool: system has } due to USE=hostonly ..."
|
|
fi
|
|
|
|
opts=(
|
|
--scan-system
|
|
# be strict about what we are doing
|
|
--overwrite
|
|
--strict-checks
|
|
--no-ignore-broken
|
|
# we want to install latest version
|
|
--no-downgrade
|
|
# show everything we find
|
|
--list-all
|
|
# show what we selected
|
|
--list
|
|
)
|
|
|
|
# The earlyfw cpio needs to be in /boot because it must be loaded before
|
|
# rootfs is mounted.
|
|
use initramfs && opts+=( --write-earlyfw=${_initramfs_file} )
|
|
# split location:
|
|
use split-ucode && dodir /lib/firmware/intel-ucode && opts+=( --write-firmware=${_ucode_dir} )
|
|
|
|
iucode_tool \
|
|
"${opts[@]}" \
|
|
"${ED%/}"/tmp/intel-ucode \
|
|
|| die "iucode_tool ${opts[@]} ${ED%/}/tmp/intel-ucode"
|
|
|
|
else
|
|
if use split-ucode; then
|
|
# Temporary /tmp/intel-ucode will become final /lib/firmware/intel-ucode ...
|
|
dodir /lib/firmware
|
|
mv "${ED%/}/tmp/intel-ucode" "${ED%/}/lib/firmware" || die "Failed to install splitted ucodes!"
|
|
fi
|
|
fi
|
|
|
|
# Because it is possible that this package will install not one single file
|
|
# due to user selection which is still somehow unexpected we add the following
|
|
# check to inform user so that the user has at least a chance to detect
|
|
# a problem/invalid select.
|
|
local _has_installed_something=
|
|
if use initramfs && [[ -s "${_initramfs_file}" ]]; then
|
|
_has_installed_something="yes"
|
|
elif use split-ucode; then
|
|
_has_installed_something=$(find "${_ucode_dir}" -maxdepth 0 -not -empty -exec echo yes \;)
|
|
fi
|
|
|
|
if use hostonly && [[ -n "${_has_installed_something}" ]]; then
|
|
elog "You only installed ucode(s) for all currently available (=online)"
|
|
elog "processor(s). Remember to re-emerge this package whenever you"
|
|
elog "change the system's processor model."
|
|
elog ""
|
|
elif [[ -z "${_has_installed_something}" ]]; then
|
|
ewarn "WARNING:"
|
|
if [[ -f "${ED%/}/tmp/.signatures_altered" ]]; then
|
|
ewarn "No ucode was installed! Because you have created this package"
|
|
ewarn "using MICROCODE_SIGNATURES variable please double check if you"
|
|
ewarn "have an invalid select."
|
|
ewarn "It's rare but it is also possible that just no ucode update"
|
|
ewarn "is available for your processor(s). In this case it is safe"
|
|
ewarn "to ignore this warning."
|
|
else
|
|
ewarn "No ucode was installed! It's rare but it is also possible"
|
|
ewarn "that just no ucode update is available for your processor(s)."
|
|
ewarn "In this case it is safe to ignore this warning."
|
|
fi
|
|
|
|
ewarn ""
|
|
|
|
if use hostonly; then
|
|
ewarn "Unset \"hostonly\" USE flag to install all available ucodes."
|
|
ewarn ""
|
|
fi
|
|
fi
|
|
|
|
# Cleanup any temporary leftovers so that we don't merge any
|
|
# unneeded files on disk.
|
|
rm -r "${ED%/}/tmp" || die "Failed to cleanup '${ED%/}/tmp'"
|
|
}
|
|
|
|
pkg_prerm() {
|
|
# Make sure /boot is mounted so that we can remove /boot/intel-uc.img!
|
|
use initramfs && mount-boot_pkg_prerm
|
|
}
|
|
|
|
pkg_postrm() {
|
|
# Don't forget to umount /boot if it was previously mounted by us.
|
|
use initramfs && mount-boot_pkg_postrm
|
|
}
|
|
|
|
pkg_postinst() {
|
|
# Don't forget to umount /boot if it was previously mounted by us.
|
|
use initramfs && mount-boot_pkg_postinst
|
|
|
|
# We cannot give detailed information if user is affected or not:
|
|
# If MICROCODE_BLACKLIST wasn't modified, user can still use MICROCODE_SIGNATURES
|
|
# to to force a specific, otherwise blacklisted, microcode. So we
|
|
# only show a generic warning based on running kernel version:
|
|
if kernel_is -lt 4 14 34; then
|
|
ewarn "${P} contains microcode updates which require"
|
|
ewarn "additional kernel patches which aren't yet included in kernel <4.14.34."
|
|
ewarn "Loading such a microcode through kernel interface from an unpatched kernel"
|
|
ewarn "can crash your system!"
|
|
ewarn ""
|
|
ewarn "Those microcodes are blacklisted per default. However, if you have altered"
|
|
ewarn "MICROCODE_BLACKLIST or MICROCODE_SIGNATURES, you maybe have unintentionally"
|
|
ewarn "re-enabled those microcodes...!"
|
|
ewarn ""
|
|
ewarn "Check \"${EROOT%/}/usr/share/doc/${PN}-*/releasenot*\" if your microcode update"
|
|
ewarn "requires additional kernel patches or not."
|
|
fi
|
|
}
|