sys-firmware/seabios: restore bios.bin

Gentoo was not able to build bios.bin (of 128k size)
for a while. This change disables modern ACPI_PARSE (mmio),
AHCI and NVME drivers to fit into 128K.

Newer bios is unchanged and is still 256K with all the features.

Reported-by: Bernd
Closes: https://bugs.gentoo.org/780399
Package-Manager: Portage-3.0.18, Repoman-3.0.3
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

3 files changed, 189 insertions, 1 deletions

diff --git a/sys-firmware/seabios/Manifest b/sys-firmware/seabios/Manifest
index 0381c39c4ffa..1f37057de6a9 100644
--- a/sys-firmware/seabios/Manifest
+++ b/sys-firmware/seabios/Manifest
@@ -1,4 +1,5 @@
 DIST seabios-1.12.0-bin.tar.xz 162492 BLAKE2B 9a5a349226ed7efbed328493dc057e232203b251677a23f1f09c133743ff0ca6b05270c9d27460be1d8897888fe23ff7bdfa122023fa8ddb23af03d5b9b6f8dd SHA512 f7a0395d621245093bb9a278d95ecc3d4e8d23f620058cd4fddaf885c8b86256f6258f3fd8173c1d24c03306f44d180e768bf8005ee123bc4b699b9f0ca371be
 DIST seabios-1.12.0.tar.gz 613542 BLAKE2B f145c2db716996bfa9e5c014086ccfaa8ae96ebc158f34303b122b7bf209408c567665d8691364df8d8e886f63e0e72a3f3cd319dfa86ef581023201b5d94e53 SHA512 e52c5363e5bb37b5286e55545aa06bd126218f9d0e3a06ac2e189de68fe3de3256c11ca1bb13357a9c384d7e3af6284083ff3aa587688b5de04ef11b97bdfa27
 DIST seabios-1.14.0-bin.tar.xz 170160 BLAKE2B 1ab471ce0c6e27633ec42a66e3069496be84de713baab5de4f297821bd0da26404f7f70abc82e223ec5aa317a878889ae92b019988c72d24f77e7dcc5865f916 SHA512 7964e9bb7dff4fd6593f5d6d64efc4b1460750461b86635dbe5255d2086d619f51711d7a35e4dc20e556f705091c0950afabeddcd2e8876f05ce14f9ca73ed71
+DIST seabios-1.14.0-r2-bin.tar.xz 132256 BLAKE2B 7d38949de254d6e3699d463a66c363156aa36bfe16c18bea48c55a61bdc423184175fd5427d3246a78d9c6335e61e5baa982f67e7406c5525e405b4383530d41 SHA512 5ce0e407b97e878842fbd7ad2f9e8a65f2565a5aa43d08e01cff024352780f55f8669958c58d20770db7f90e87cc52c860af831cefe3846227e7b45cd9dc33ee
 DIST seabios-1.14.0.tar.gz 628985 BLAKE2B cc1126925dab1551a655680d20d06ebf28c12c386500d1ee4df9e1a99403b4c5bc6a66c2cc5ef58b4c3d6d7226f35007506a6a1855c2cf2742469dcb7aba05bb SHA512 215c42f59425f8abd062be7b11fc0e39c977cee5001a2381551b0f851ac337d0dd53c065267e6dee0e710ffd700fa635f9007b89da8dfce0f47122c984ee8146
diff --git a/sys-firmware/seabios/files/seabios/config.seabios-128k b/sys-firmware/seabios/files/seabios/config.seabios-128k
index 93203af0ded7..50dd75d5f303 100644
--- a/sys-firmware/seabios/files/seabios/config.seabios-128k
+++ b/sys-firmware/seabios/files/seabios/config.seabios-128k
@@ -1,5 +1,5 @@
 # for qemu machine types 1.7 + older
-# need to turn off features (xhci,uas) to make it fit into 128k
+# need to turn off features (xhci,uas,achi,nvme,acpi_parse) to make it fit into 128k
 CONFIG_QEMU=y
 CONFIG_ROM_SIZE=128
 CONFIG_BOOTSPLASH=n
@@ -10,3 +10,7 @@ CONFIG_USB_UAS=n
 CONFIG_SDCARD=n
 CONFIG_TCGBIOS=n
 CONFIG_MPT_SCSI=n
+CONFIG_ACPI_PARSE=n
+CONFIG_NVME=n
+CONFIG_AHCI=n
+CONFIG_THREADS=n
diff --git a/sys-firmware/seabios/seabios-1.14.0-r2.ebuild b/sys-firmware/seabios/seabios-1.14.0-r2.ebuild
new file mode 100644
index 000000000000..1e33e9260a57
--- /dev/null
+++ b/sys-firmware/seabios/seabios-1.14.0-r2.ebuild
@@ -0,0 +1,183 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+PYTHON_COMPAT=( python3_{7..9} )
+
+inherit toolchain-funcs python-any-r1
+
+# SeaBIOS maintainers sometimes don't release stable tarballs or stable
+# binaries to generate the stable tarball the following is necessary:
+# git clone git://git.seabios.org/seabios.git && cd seabios
+# git archive --output seabios-${PV}.tar.gz --prefix seabios-${PV}/ rel-${PV}
+
+# To generate binary tarball you can run the following from fork tree:
+# cd .../seabios-1.14.0-r2/image/usr/share
+# $ tar cJf seabios-1.14.0-r2-bin.tar.xz *.bin
+
+if [[ ${PV} == *9999* || -n "${EGIT_COMMIT}" ]] ; then
+	EGIT_REPO_URI="git://git.seabios.org/seabios.git"
+	inherit git-r3
+else
+	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~s390 ~sparc ~x86"
+
+	SRC_URI="
+		!binary? ( https://www.seabios.org/downloads/${P}.tar.gz )
+		binary? ( https://dev.gentoo.org/~slyfox/distfiles/${P}-r2-bin.tar.xz )"
+fi
+
+DESCRIPTION="Open Source implementation of a 16-bit x86 BIOS"
+HOMEPAGE="https://www.seabios.org/"
+
+LICENSE="LGPL-3 GPL-3"
+SLOT="0"
+IUSE="+binary debug +seavgabios"
+
+REQUIRED_USE="debug? ( !binary )"
+
+SOURCE_DEPEND="
+	>=sys-power/iasl-20060912
+	${PYTHON_DEPS}"
+DEPEND="
+	!binary? (
+		${SOURCE_DEPEND}
+	)"
+RDEPEND=""
+
+choose_target_chost() {
+	if [[ -n "${CC}" ]]; then
+		${CC} -dumpmachine
+		return
+	fi
+
+	if use amd64 || use x86; then
+		# Use the native compiler
+		echo "${CHOST}"
+		return
+	fi
+
+	local i
+	for i in x86_64 i686 i586 i486 i386 ; do
+		i=${i}-pc-linux-gnu
+		type -P ${i}-gcc > /dev/null && echo ${i} && return
+	done
+}
+
+pkg_pretend() {
+	if ! use binary; then
+		ewarn "You have decided to compile your own SeaBIOS. This is not"
+		ewarn "supported by upstream unless you use their recommended"
+		ewarn "toolchain (which you are not)."
+		elog
+		ewarn "If you are intending to use this build with QEMU, realize"
+		ewarn "you will not receive any support if you have compiled your"
+		ewarn "own SeaBIOS. Virtual machines subtly fail based on changes"
+		ewarn "in SeaBIOS."
+		if [[ -z "$(choose_target_chost)" ]]; then
+			elog
+			eerror "Before you can compile ${PN}[-binary], you need to install a x86 cross-compiler"
+			eerror "Run the following commands:"
+			eerror "  emerge crossdev"
+			eerror "  crossdev --stable -t x86_64-pc-linux-gnu"
+			die "cross-compiler is needed"
+		fi
+	fi
+}
+
+pkg_setup() {
+	use binary || python-any-r1_pkg_setup
+}
+
+src_unpack() {
+	default
+
+	# This simplifies the logic between binary & source builds.
+	mkdir -p "${S}"
+}
+
+src_prepare() {
+	default
+
+	if ! use binary; then
+		eapply "${FILESDIR}"/${PN}-1.14.0-binutils-2.36.patch
+	fi
+
+	# Ensure precompiled iasl files are never used
+	find "${WORKDIR}" -name '*.hex' -delete || die
+}
+
+src_configure() {
+	use binary && return
+
+	tc-ld-disable-gold #438058
+
+	if use debug ; then
+		echo "CONFIG_DEBUG_LEVEL=8" >.config
+	fi
+	_emake config
+}
+
+_emake() {
+	LANG=C \
+	emake V=1 \
+		CPP="$(tc-getPROG CPP cpp)" \
+		CC="$(tc-getCC)" \
+		LD="$(tc-getLD)" \
+		AR="$(tc-getAR)" \
+		AS="$(tc-getAS)" \
+		OBJCOPY="$(tc-getOBJCOPY)" \
+		RANLIB="$(tc-getRANLIB)" \
+		OBJDUMP="$(tc-getOBJDUMP)" \
+		STRIP="$(tc-getSTRIP)" \
+		HOST_CC="$(tc-getBUILD_CC)" \
+		VERSION="Gentoo/${EGIT_COMMIT:-${PVR}}" \
+		"$@"
+}
+
+src_compile() {
+	use binary && return
+
+	local TARGET_CHOST=$(choose_target_chost)
+
+	cp "${FILESDIR}/seabios/config.seabios-128k" .config || die
+	_emake oldnoconfig
+	CHOST="${TARGET_CHOST}" _emake iasl
+	CHOST="${TARGET_CHOST}" _emake out/bios.bin
+	mv out/bios.bin ../bios.bin || die
+
+	cp "${FILESDIR}/seabios/config.seabios-256k" .config || die
+	_emake oldnoconfig
+	CHOST="${TARGET_CHOST}" _emake iasl
+	CHOST="${TARGET_CHOST}" _emake out/bios.bin
+	mv out/bios.bin ../bios-256k.bin || die
+
+	if use seavgabios ; then
+		local config t targets=(
+			cirrus
+			isavga
+			qxl
+			stdvga
+			virtio
+			vmware
+		)
+		for t in "${targets[@]}" ; do
+			_emake clean distclean
+			cp "${FILESDIR}/seavgabios/config.vga-${t}" .config || die
+			_emake oldnoconfig
+			CHOST="${TARGET_CHOST}" _emake out/vgabios.bin
+			cp out/vgabios.bin ../vgabios-${t}.bin || die
+		done
+	fi
+}
+
+src_install() {
+	insinto /usr/share/seabios
+	doins ../bios.bin
+	doins ../bios-256k.bin
+
+	if use seavgabios ; then
+		insinto /usr/share/seavgabios
+		doins ../vgabios*.bin
+	fi
+}