blob: 3ded6ea2e9b8282d47b71980091702e48c97e4d1 [file] [log] [blame]
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
# Distributed under the terms of the GNU General Public License v2
EAPI=7
CROS_WORKON_PROJECT="chromiumos/third_party/seabios"
CROS_WORKON_EGIT_BRANCH="chromeos-2014.11.03"
CROS_WORKON_LOCALNAME="seabios"
inherit toolchain-funcs cros-workon coreboot-sdk
DESCRIPTION="Open Source implementation of X86 BIOS"
HOMEPAGE="http://www.coreboot.org/SeaBIOS"
LICENSE="GPL-2"
KEYWORDS="-* ~amd64 ~x86"
IUSE="coreboot-sdk fwserial"
# Directory where the generated files are looked for and placed.
CROS_FIRMWARE_IMAGE_DIR="/firmware"
CROS_FIRMWARE_ROOT="${SYSROOT%/}${CROS_FIRMWARE_IMAGE_DIR}"
_emake() {
if ! use coreboot-sdk; then
local LD="$(tc-getLD).bfd"
local CC="$(tc-getCC)"
local AS="$(tc-getAS)"
else
local CC=${COREBOOT_SDK_PREFIX_x86_32}gcc
local LD=${COREBOOT_SDK_PREFIX_x86_32}ld
local AS=${COREBOOT_SDK_PREFIX_x86_32}as
fi
emake \
CROSS_PREFIX="${CHOST}-" \
PKG_CONFIG="$(tc-getPKG_CONFIG)" \
HOSTCC="$(tc-getBUILD_CC)" \
LD="${LD}" \
AS="${AS}" \
CC="${CC} -fuse-ld=bfd" \
AS="${AS}" \
"$@"
}
# Build the config for seabios
# Args:
# $1: Filename of config file
build_config() {
local cfg="$1"
# Hard-coded config for zork
local CONFIG_CONSOLE_UART_BASE_ADDRESS=0xfedc9000
# local CONFIG_CONSOLE_SERIAL_115200=y
# local CONFIG_DRIVERS_UART_8250MEM=y
# local CONFIG_DRIVERS_UART_8250MEM_32=y
# local CONFIG_PAYLOAD_CONFIGFILE="$(top)/src/mainboard/google/zork/config_seabios"
local CONFIG_SEABIOS_DEBUG_LEVEL=-1
local CONFIG_SEABIOS_VGA_COREBOOT=
local CONFIG_SEABIOS_THREAD_OPTIONROMS=n
# This code is taken from the coreboot Makefile
echo "CONFIG_COREBOOT=y" > "${cfg}"
echo "CONFIG_DEBUG_SERIAL_MMIO=y" >> "${cfg}"
echo "CONFIG_DEBUG_SERIAL_MEM_ADDRESS=${CONFIG_CONSOLE_UART_BASE_ADDRESS}" >> "${cfg}"
if [ "${CONFIG_SEABIOS_THREAD_OPTIONROMS}" != "y" ]; then
echo "# CONFIG_THREAD_OPTIONROMS is not set" >> "${cfg}"
fi
if [ "${CONFIG_SEABIOS_VGA_COREBOOT}" != "y" ]; then
echo "CONFIG_VGA_COREBOOT=y" >> "${cfg}"
echo "CONFIG_BUILD_VGABIOS=y" >> "${cfg}"
fi
echo "# CONFIG_TCGBIOS is not set" >> "${cfg}"
if [ "${CONFIG_SEABIOS_DEBUG_LEVEL}" != "-1" ]; then
echo "CONFIG_DEBUG_LEVEL=${CONFIG_SEABIOS_DEBUG_LEVEL}" >> "${cfg}"
fi
}
src_compile() {
local config="base.config"
build_config "${config}"
cat "${config}"
cp "${config}" .config
_emake olddefconfig
_emake
mkdir staging
cp out/bios.bin.elf staging/seabios.noserial.elf
cp .config staging/config.seabios.noserial
# Select which version is the default
if ! use fwserial; then
cp out/bios.bin.elf staging/seabios.elf
fi
_emake clean
cp "${config}" .config
echo "CONFIG_DEBUG_SERIAL=y" >> "${config}"
_emake olddefconfig
_emake
cp out/bios.bin.elf staging/seabios.serial.elf
if use fwserial; then
cp out/bios.bin.elf staging/seabios.elf
fi
cp .config staging/config.seabios.serial
cp "${config}" staging/config.seabios.base
}
src_install() {
local oprom=$(echo "${CROS_FIRMWARE_ROOT}"/pci????,????.rom)
local vgabios="out/vgabios.bin"
insinto /firmware/seabios
doins staging/seabios*.elf
doins staging/config*
# Add additional configuration
insinto /firmware/seabios/cbfs
doins chromeos/links
doins chromeos/bootorder
insinto /firmware/seabios/etc
doins chromeos/etc/boot-menu-key
doins chromeos/etc/boot-menu-message
doins chromeos/etc/boot-menu-wait
}