| # Copyright (C) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE.makefile file. |
| |
| EAPI="4" |
| CROS_WORKON_PROJECT="chromiumos/platform/ec" |
| CROS_WORKON_LOCALNAME="ec" |
| |
| inherit toolchain-funcs cros-board cros-workon |
| |
| DESCRIPTION="Embedded Controller firmware code" |
| HOMEPAGE="http://www.chromium.org/" |
| SRC_URI="" |
| |
| LICENSE="BSD" |
| SLOT="0" |
| KEYWORDS="~arm ~amd64 ~x86" |
| IUSE="test bds snow spring" |
| |
| # We don't want binchecks since we're cross-compiling firmware images using |
| # non-standard layout. |
| RESTRICT="binchecks" |
| |
| set_build_env() { |
| # The firmware is running on ARMv7-m (Cortex-M4) |
| export CROSS_COMPILE=arm-none-eabi- |
| tc-export CC BUILD_CC |
| export HOSTCC=${CC} |
| export BUILDCC=${BUILD_CC} |
| |
| # Allow building for boards that don't have an EC |
| # (so we can compile test on bots for testing). |
| export EC_BOARD=$(usev bds || get_current_board_with_variant) |
| if [[ ! -d board/${EC_BOARD} ]] ; then |
| ewarn "Sorry, ${EC_BOARD} not supported; doing build-test with BOARD=bds" |
| EC_BOARD=bds |
| fi |
| |
| # FIXME: hack to separate BOARD= used by EC Makefile and Portage, |
| # crosbug.com/p/10377 |
| if use snow; then |
| EC_BOARD=snow |
| fi |
| # If building for spring hack in spring, must happen after snow due |
| # to hirearchy of current overlays. |
| if use spring; then |
| ewarn "USE=spring detected; overriding EC_BOARD=spring" |
| EC_BOARD=spring |
| fi |
| |
| } |
| |
| src_compile() { |
| set_build_env |
| BOARD=${EC_BOARD} emake all |
| |
| EXTRA_ARGS="out=build/${EC_BOARD}_shifted " |
| EXTRA_ARGS+="EXTRA_CFLAGS=\"-DSHIFT_CODE_FOR_TEST\"" |
| BOARD=${EC_BOARD} emake all ${EXTRA_ARGS} |
| } |
| |
| src_install() { |
| set_build_env |
| # EC firmware binaries |
| insinto /firmware |
| doins build/${EC_BOARD}/ec.bin |
| doins build/${EC_BOARD}/ec.RW.bin |
| newins build/${EC_BOARD}/ec.RO.flat ec.RO.bin |
| newins build/${EC_BOARD}_shifted/ec.bin ec_autest_image.bin |
| # Intermediate files for debugging |
| doins build/${EC_BOARD}/ec.*.elf |
| # Utilities |
| exeinto /usr/bin |
| doexe build/${EC_BOARD}/util/ectool |
| } |
