diff options
Diffstat (limited to 'sys-firmware/intel-microcode/intel-microcode-20191115_p20191110.ebuild')
| -rw-r--r-- | sys-firmware/intel-microcode/intel-microcode-20191115_p20191110.ebuild | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/sys-firmware/intel-microcode/intel-microcode-20191115_p20191110.ebuild b/sys-firmware/intel-microcode/intel-microcode-20191115_p20191110.ebuild new file mode 100644 index 000000000000..030826b2de0c --- /dev/null +++ b/sys-firmware/intel-microcode/intel-microcode-20191115_p20191110.ebuild @@ -0,0 +1,248 @@ +# Copyright 1999-2019 Gentoo Authors +# Distributed under the terms of the GNU General Public License v2 + +EAPI="7" + +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="28087" +#https://downloadcenter.intel.com/Detail_Desc.aspx?DwnldID=${NUM} +#https://downloadmirror.intel.com/${NUM}/eng/microcode-${INTEL_SNAPSHOT}.tgz +DESCRIPTION="Intel IA32/IA64 microcode update data" +HOMEPAGE="https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files http://inertiawar.com/microcode/" +SRC_URI="https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files/archive/microcode-${INTEL_SNAPSHOT}.tar.gz + https://dev.gentoo.org/~whissi/dist/intel-microcode/intel-microcode-collection-${COLLECTION_SNAPSHOT}.tar.xz" + +LICENSE="intel-ucode" +SLOT="0" +KEYWORDS="-* amd64 x86" +IUSE="hostonly initramfs +split-ucode vanilla" +REQUIRED_USE="|| ( initramfs split-ucode )" + +BDEPEND="sys-apps/iucode_tool" + +# !<sys-apps/microcode-ctl-1.17-r2 due to bug #268586 +RDEPEND="hostonly? ( sys-apps/iucode_tool )" + +RESTRICT="binchecks bindist mirror strip" + +S=${WORKDIR} + +# Blacklist bad microcode here. +# 0x000406f1 aka 06-4f-01 aka CPUID 406F1 require newer microcode loader +MICROCODE_BLACKLIST_DEFAULT="-s !0x000406f1" + +# In case we want to set some defaults ... +MICROCODE_SIGNATURES_DEFAULT="" + +# Advanced users only! +# Set MIRCOCODE_SIGNATURES to merge with: +# only current CPU: MICROCODE_SIGNATURES="-S" +# only specific CPU: MICROCODE_SIGNATURES="-s 0x00000f4a -s 0x00010676" +# exclude specific CPU: MICROCODE_SIGNATURES="-s !0x00000686" + +pkg_pretend() { + use initramfs && mount-boot_pkg_pretend +} + +src_prepare() { + default + + if cd Intel-Linux-Processor-Microcode-Data* &>/dev/null; then + # new tarball format from GitHub + mv * ../ || die "Failed to move Intel-Linux-Processor-Microcode-Data*" + cd .. || die + rm -r Intel-Linux-Processor-Microcode-Data* || die + fi + + # 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 + + # These will carry into pkg_preinst via env saving. + : ${MICROCODE_BLACKLIST=${MICROCODE_BLACKLIST_DEFAULT}} + : ${MICROCODE_SIGNATURES=${MICROCODE_SIGNATUES_DEFAULT}} + + 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" ) + + keepdir /lib/firmware/intel-ucode + opts+=( --write-firmware="${ED}/lib/firmware/intel-ucode" ) + + iucode_tool \ + "${opts[@]}" \ + "${MICROCODE_SRC[@]}" \ + || die "iucode_tool ${opts[@]} ${MICROCODE_SRC[@]}" + + dodoc releasenote +} + +pkg_preinst() { + if [[ ${MICROCODE_BLACKLIST} != ${MICROCODE_BLACKLIST_DEFAULT} ]]; then + ewarn "MICROCODE_BLACKLIST is set to \"${MICROCODE_BLACKLIST}\" instead of default \"${MICROCODE_BLACKLIST_DEFAULT}\". You are on your own!" + fi + + if [[ ${MICROCODE_SIGNATURES} != ${MICROCODE_SIGNATURES_DEFAULT} ]]; then + ewarn "Package was created using advanced options:" + ewarn "MICROCODE_SIGNATURES is set to \"${MICROCODE_SIGNATURES}\" 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" + + 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} ) + + if use split-ucode; then + opts+=( --write-firmware="${ED}/lib/firmware/intel-ucode" ) + fi + + opts+=( "${ED}/lib/firmware/intel-ucode-temp" ) + + mv "${ED}"/lib/firmware/intel-ucode{,-temp} || die + keepdir /lib/firmware/intel-ucode + + iucode_tool "${opts[@]}" || die "iucode_tool ${opts[@]}" + + rm -r "${ED}"/lib/firmware/intel-ucode-temp || die + + elif ! use split-ucode; then # hostonly disabled + rm -r "${ED}"/lib/firmware/intel-ucode || die + fi + + # Because it is possible that this package will install not one single file + # due to user selection which is still somehow unexpected we add the following + # check to inform user so that the user has at least a chance to detect + # a problem/invalid select. + local _has_installed_something= + if use initramfs && [[ -s "${_initramfs_file}" ]]; then + _has_installed_something="yes" + elif use split-ucode; then + _has_installed_something=$(find "${ED}/lib/firmware/intel-ucode" -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 [[ ${MICROCODE_SIGNATURES} != ${MICROCODE_SIGNATURES_DEFAULT} ]]; then + ewarn "No ucode was installed! Because you have created this package" + ewarn "using MICROCODE_SIGNATURES variable please double check if you" + ewarn "have an invalid select." + ewarn "It's rare but it is also possible that just no ucode update" + ewarn "is available for your processor(s). In this case it is safe" + ewarn "to ignore this warning." + else + ewarn "No ucode was installed! It's rare but it is also possible" + ewarn "that just no ucode update is available for your processor(s)." + ewarn "In this case it is safe to ignore this warning." + fi + + ewarn "" + + if use hostonly; then + ewarn "Unset \"hostonly\" USE flag to install all available ucodes." + ewarn "" + fi + fi +} + +pkg_prerm() { + # Make sure /boot is mounted so that we can remove /boot/intel-uc.img! + use initramfs && mount-boot_pkg_prerm +} + +pkg_postrm() { + # Don't forget to umount /boot if it was previously mounted by us. + use initramfs && mount-boot_pkg_postrm +} + +pkg_postinst() { + # Don't forget to umount /boot if it was previously mounted by us. + use initramfs && mount-boot_pkg_postinst + + # We cannot give detailed information if user is affected or not: + # If MICROCODE_BLACKLIST wasn't modified, user can still use MICROCODE_SIGNATURES + # to to force a specific, otherwise blacklisted, microcode. So we + # only show a generic warning based on running kernel version: + if kernel_is -lt 4 14 34; then + ewarn "${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 +} |