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# 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
}
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