sys-firmware/intel-microcode: bump

- Updated microcodes:

  sig 0x00050653, pf_mask 0x97, 2018-04-20, rev 0x1000144 -> 2018-08-24, rev 0x1000146
  sig 0x00050654, pf_mask 0xb7, 2018-08-09, rev 0x2000050 -> 2018-10-08, rev 0x2000055
  sig 0x00050655, pf_mask 0xb7, 2018-04-27, rev 0x300000b -> 2018-06-15, rev 0x300000d

- Ebuild changes:

In addition to the updated microcodes, the package now avoids using
a temp directory for install.

Instead it creates a temp directory in pkg_preinst if necessary. This
should only be needed when the 'hostonly' USE flag is enabled.

Closes: https://github.com/gentoo/gentoo/pull/10461
Closes: https://bugs.gentoo.org/671436
Package-Manager: Portage-2.3.52, Repoman-2.3.12
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

2 files changed, 240 insertions, 0 deletions

diff --git a/sys-firmware/intel-microcode/Manifest b/sys-firmware/intel-microcode/Manifest
index c43fc289312f..6a6999c7dfda 100644
--- a/sys-firmware/intel-microcode/Manifest
+++ b/sys-firmware/intel-microcode/Manifest
@@ -1,2 +1,3 @@
 DIST intel-microcode-collection-20181117.tar.xz 4454740 BLAKE2B c9f106a6c6477966d535faef6a6a6a547218b0162ed6405dd9ab47967a87b2c4d9d2d33e8caf716720179bb0035df8c4a38d06c654584396f2af82828fcabd5e SHA512 cdff0e9d88c7848746487710c17cbcdf2adb0940072d71d6f32651a7e2fb66751409856e28d36e7e156e1bae08ad6575098972572bf809db5f07023870b2b9c6
+DIST intel-microcode-collection-20181215.tar.xz 4455584 BLAKE2B 7535283f38ce82cc7e90f45e3201665e46b3c00becd3f6432843c3d960f0a8f11b8c394bc736e7c02e9e34ea31832bd7335603f8727f114f5d3eafa7fb6ea630 SHA512 ec32ef3c625426c98902b7716abc400001c440b8136f13ba89e0dd707690f82dd5afd8849b61f86507b3a78ef7a96b8750dca24fdf4c42b53275fa87e50ed561
 DIST microcode-20180807a.tgz 1628061 BLAKE2B a6b5a07596a0b1687efb95c207b2194865b2f975cc0d761a687d5b9d8fea63e777eb73373113f356a18592fd53651cf37d044d4e98cdfe6b306393b54ac06129 SHA512 3cd6794a5ce26e86f7b644e523ba978699316046e593da215b73b17c4b43049ac4a81636e2ce3e727d06c2efbac98657764aa3ff355edb429127585bb49a9b10
diff --git a/sys-firmware/intel-microcode/intel-microcode-20180807a_p20181215.ebuild b/sys-firmware/intel-microcode/intel-microcode-20180807a_p20181215.ebuild
new file mode 100644
index 000000000000..e284cd8fcf35
--- /dev/null
+++ b/sys-firmware/intel-microcode/intel-microcode-20180807a_p20181215.ebuild
@@ -0,0 +1,239 @@
+# Copyright 1999-2018 Gentoo Authors
+# 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="28087"
+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="hostonly? ( sys-apps/iucode_tool )"
+
+RESTRICT="binchecks bindist mirror strip"
+
+S=${WORKDIR}
+
+# Blacklist bad microcode here.
+# 0x000406f1 aka 06-4f-01 aka CPUID 406F1 require newer microcode loader
+MICROCODE_BLACKLIST_DEFAULT="-s !0x000406f1"
+
+# In case we want to set some defaults ...
+MICROCODE_SIGNATURES_DEFAULT=""
+
+# Advanced users only!
+# Set MIRCOCODE_SIGNATURES to merge with:
+# only current CPU: MICROCODE_SIGNATURES="-S"
+# only specific CPU: MICROCODE_SIGNATURES="-s 0x00000f4a -s 0x00010676"
+# exclude specific CPU: MICROCODE_SIGNATURES="-s !0x00000686"
+
+pkg_pretend() {
+	use initramfs && mount-boot_pkg_pretend
+}
+
+src_prepare() {
+	default
+
+	# Prevent "invalid file format" errors from iucode_tool
+	rm -f "${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
+}