sys-kernel/gentoo-kernel-bin: Fix x32 support on 5.18.5

Signed-off-by: Michał Górny <mgorny@gentoo.org>

2 files changed, 124 insertions, 0 deletions

diff --git a/sys-kernel/gentoo-kernel-bin/Manifest b/sys-kernel/gentoo-kernel-bin/Manifest
index e92e07f4658d..29129c32a8ea 100644
--- a/sys-kernel/gentoo-kernel-bin/Manifest
+++ b/sys-kernel/gentoo-kernel-bin/Manifest
@@ -18,6 +18,7 @@ DIST gentoo-kernel-5.18.5-1.amd64.xpak 71624251 BLAKE2B 906903314080f075709b091c
 DIST gentoo-kernel-5.18.5-1.arm64.xpak 65223184 BLAKE2B 9b54ac0556c6515a9303f6c636cc32c78c8c2b5a0afa03ee7f1ab627a6cc51847d2e606d4beedeb0373ce00d87f7b41b49c8f6173d9154721113051e6b335f6a SHA512 109860d371ddfc7f17c3ff0d41e683f9adf8213aa880f8171e212b7d5a4109098f6ea2cb51355de0622ace8c3c69f094ff12331f230b618d912e85e4b1944f4b
 DIST gentoo-kernel-5.18.5-1.ppc64le.xpak 59550570 BLAKE2B d22a29421f489f9e27018b166801fb039b7a7c58e45efad3eb2841a2e9bc2e554da116c469db7ac0845debd86969ce975ed5c5a4392e33aa8b3a626882a52fc4 SHA512 005450035299a52699bee929bc7135a25536f633ebf23cee71ef771760c93104fe8ea63016e367fa7ffdf7d1b42b8f173b8a87c6a2aed7b868ff4bf35bfdf767
 DIST gentoo-kernel-5.18.5-1.x86.xpak 61833886 BLAKE2B b793e517ac55a2b493e20b4ebd7dd77adeacd2a8d43b5a5e8dfb4af7cfe1498872c9477866f84f0d17cf80b69666aebc8fde8e2a1a037c4d584d4d24cf7203bd SHA512 07e1b5181e424e970788584239a1ad4177de37900e748b0b431a63938a2592364733b0a856a6c839c0631a5566f53d9d5a6bebd03715fd1c0809605c700eaac4
+DIST gentoo-kernel-5.18.5-r1-1.amd64.xpak 71567319 BLAKE2B 2eb9f64b4071279834426f79aa818c78a167cb1c2b9672bbe6c87d761ea2a1620259726ce5e7a781deeae2281108a520e44d6d28bc37246738851fb9e8bd958b SHA512 82ac49a67cc1fc863baf205362d64419f13be31f0e16c427d1d48e434284a07ade0933e97b8725053d23ec31490d3b28312e8e7469e250a670bf9d4de25dff79
 DIST gentoo-kernel-5.4.199-1.amd64.xpak 61557691 BLAKE2B ca249eb416d775e208023e555d6064f06b92ceebc765807faa9789a2a79d00670b95e7c6ac1c635f131e5b8c8dd38b47a98666b1cfcf9a0b8dcd7b5ab3212332 SHA512 51d3a1978088f3932127d10fd91e6219ccf2bebc17963751b57977c036f878aa13ba6d55abca167966f3061b5f0e6aacf71ae2096e5d6dfbf3c5fba6da3c2aa1
 DIST gentoo-kernel-5.4.199-1.arm64.xpak 57705946 BLAKE2B 882c6b7b3444c2acc04379cfdf9d70d373c04496f9c16788e1b150851c7f64b76bb02e1fa5b77051ad50eca623e0bebc3066fa398622d82b24b6535158817cc7 SHA512 625852a1a45afdf0436025fd1984a243ab4b2de1e49bdfc323b568f7c7e0798d4e88677fff90cb83b4ab25cf311cd7d2cd818484880c9e64dbaae414495235ab
 DIST gentoo-kernel-5.4.199-1.ppc64le.xpak 55122976 BLAKE2B 75bd061e50e6528beb4436072b4d13c9f224ff56e05c08ec971af8d03a4b8a0e93bf1654eb82e78403af7e247d532a707fb5a8af9c47aa4b7996d5ee839a8ad0 SHA512 d10eacc72d067ed7546c6622248e2dba8a713794457cfa1b2e1ff318fe8d48793c3e6e46cf78101191677ac656e5d9960620bbe0ac4d721a36111d9f9bfe8de5
diff --git a/sys-kernel/gentoo-kernel-bin/gentoo-kernel-bin-5.18.5-r1.ebuild b/sys-kernel/gentoo-kernel-bin/gentoo-kernel-bin-5.18.5-r1.ebuild
new file mode 100644
index 000000000000..0ecebbb3a988
--- /dev/null
+++ b/sys-kernel/gentoo-kernel-bin/gentoo-kernel-bin-5.18.5-r1.ebuild
@@ -0,0 +1,123 @@
+# Copyright 2020-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit kernel-install toolchain-funcs
+
+MY_P=linux-${PV%.*}
+GENPATCHES_P=genpatches-${PV%.*}-$(( ${PV##*.} + 3 ))
+BINPKG=${P/-bin/}-r1-1
+
+DESCRIPTION="Pre-built Linux kernel with Gentoo patches"
+HOMEPAGE="https://www.kernel.org/"
+SRC_URI+="
+	https://cdn.kernel.org/pub/linux/kernel/v$(ver_cut 1).x/${MY_P}.tar.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.base.tar.xz
+	https://dev.gentoo.org/~mpagano/dist/genpatches/${GENPATCHES_P}.extras.tar.xz
+	amd64? (
+		https://dev.gentoo.org/~mgorny/binpkg/amd64/kernel/sys-kernel/gentoo-kernel/${BINPKG}.xpak
+			-> ${BINPKG}.amd64.xpak
+	)
+"
+S=${WORKDIR}
+
+LICENSE="GPL-2"
+KEYWORDS="~amd64"
+
+RDEPEND="
+	!sys-kernel/gentoo-kernel:${SLOT}
+"
+PDEPEND="
+	>=virtual/dist-kernel-${PV}
+"
+BDEPEND="
+	sys-devel/bc
+	sys-devel/flex
+	virtual/libelf
+	virtual/yacc
+"
+
+QA_PREBUILT='*'
+
+KV_LOCALVERSION='-gentoo-dist'
+KPV=${PV}${KV_LOCALVERSION}
+
+src_unpack() {
+	default
+	# ARCH=ppc64, but tarball is ppc64le. Update if we ever introduce ppc64be binpkg.
+	ebegin "Unpacking ${BINPKG}.${ARCH/%ppc64/ppc64le}.xpak"
+	tar -x < <(xz -c -d --single-stream "${DISTDIR}/${BINPKG}.${ARCH/%ppc64/ppc64le}.xpak")
+	eend ${?} || die "Unpacking ${BINPKG} failed"
+}
+
+src_prepare() {
+	local PATCHES=(
+		# meh, genpatches have no directory
+		"${WORKDIR}"/*.patch
+	)
+	cd "${MY_P}" || die
+	default
+}
+
+src_configure() {
+	# force ld.bfd if we can find it easily
+	local LD="$(tc-getLD)"
+	if type -P "${LD}.bfd" &>/dev/null; then
+		LD+=.bfd
+	fi
+
+	tc-export_build_env
+	local makeargs=(
+		V=1
+
+		HOSTCC="$(tc-getBUILD_CC)"
+		HOSTCXX="$(tc-getBUILD_CXX)"
+		HOSTCFLAGS="${BUILD_CFLAGS}"
+		HOSTLDFLAGS="${BUILD_LDFLAGS}"
+
+		CROSS_COMPILE=${CHOST}-
+		AS="$(tc-getAS)"
+		CC="$(tc-getCC)"
+		LD="${LD}"
+		AR="$(tc-getAR)"
+		NM="$(tc-getNM)"
+		STRIP=":"
+		OBJCOPY="$(tc-getOBJCOPY)"
+		OBJDUMP="$(tc-getOBJDUMP)"
+
+		# we need to pass it to override colliding Gentoo envvar
+		ARCH="$(tc-arch-kernel)"
+
+		O="${WORKDIR}"/modprep
+	)
+
+	mkdir modprep || die
+	cp "usr/src/linux-${KPV}/.config" modprep/ || die
+	emake -C "${MY_P}" "${makeargs[@]}" modules_prepare
+}
+
+src_test() {
+	kernel-install_test "${KPV}" \
+		"${WORKDIR}/usr/src/linux-${KPV}/$(dist-kernel_get_image_path)" \
+		"lib/modules/${KPV}"
+}
+
+src_install() {
+	mv lib usr "${ED}"/ || die
+
+	# FIXME: requires proper mount-boot
+	if [[ -d boot/dtbs ]]; then
+		mv boot "${ED}"/ || die
+	fi
+
+	# strip out-of-source build stuffs from modprep
+	# and then copy built files
+	find modprep -type f '(' \
+			-name Makefile -o \
+			-name '*.[ao]' -o \
+			'(' -name '.*' -a -not -name '.config' ')' \
+		')' -delete || die
+	rm modprep/source || die
+	cp -p -R modprep/. "${ED}/usr/src/linux-${KPV}"/ || die
+}