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# 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 file.
export FIRMWARE_ARCH
export MOCK_TPM
# This Makefile normally builds in a 'build' subdir, but use
#
# make BUILD=<dir>
#
# to put the output somewhere else
#
# Provide default CC and CFLAGS for firmware builds; if you have any -D flags,
# please add them after this point (e.g., -DVBOOT_DEBUG).
#
# TODO(crosbug.com/16808) We hard-code u-boot's compiler flags here just
# temporarily. As we are still investigating which flags are necessary for
# maintaining a compatible ABI, etc. between u-boot and vboot_reference.
#
# As a first step, this makes the setting of CC and CFLAGS here optional, to
# permit a calling script or Makefile to set these.
#
# Flag ordering: arch, then -f, then -m, then -W
DEBUG_FLAGS := $(if ${DEBUG},-g -O0,-Os)
COMMON_FLAGS := -nostdinc -pipe \
-ffreestanding -fno-builtin -fno-stack-protector \
-Werror -Wall -Wstrict-prototypes $(DEBUG_FLAGS)
ifeq ($(FIRMWARE_ARCH), arm)
CC ?= armv7a-cros-linux-gnueabi-gcc
CFLAGS ?= -march=armv5 \
-fno-common -ffixed-r8 \
-msoft-float -marm -mabi=aapcs-linux -mno-thumb-interwork \
$(COMMON_FLAGS)
endif
ifeq ($(FIRMWARE_ARCH), i386)
CC ?= i686-pc-linux-gnu-gcc
# Drop -march=i386 to permit use of SSE instructions
CFLAGS ?= \
-ffunction-sections -fvisibility=hidden -fno-strict-aliasing \
-fomit-frame-pointer -fno-toplevel-reorder -fno-dwarf2-cfi-asm \
-mpreferred-stack-boundary=2 -mregparm=3 \
$(COMMON_FLAGS)
endif
ifeq ($(FIRMWARE_ARCH), x86_64)
CFLAGS ?= $(COMMON_FLAGS) \
-fvisibility=hidden -fno-strict-aliasing -fomit-frame-pointer
endif
CC ?= gcc
CXX ?= g++
# Fix compiling directly on host (outside of emake)
ifeq ($(ARCH),)
export ARCH=amd64
endif
ifeq ($(FIRMWARE_ARCH),)
CFLAGS += -DCHROMEOS_ENVIRONMENT
endif
ifneq (${DEBUG},)
CFLAGS += -DVBOOT_DEBUG
endif
ifeq (${DISABLE_NDEBUG},)
CFLAGS += -DNDEBUG
endif
export CC CXX CFLAGS
export TOP = $(shell pwd)
export FWDIR=$(TOP)/firmware
export HOSTDIR=$(TOP)/host
ifeq ($(FIRMWARE_ARCH),)
export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/stub/include
else
export INCLUDES = -I$(FWDIR)/include -I$(FWDIR)/arch/$(FIRMWARE_ARCH)/include
endif
export BUILD ?= ${TOP}/build
export FWLIB = ${BUILD}/vboot_fw.a
export HOSTLIB = ${BUILD}/vboot_host.a
export DUMPKERNELCONFIGLIB = ${BUILD}/libdump_kernel_config.a
ifeq ($(FIRMWARE_ARCH),)
SUBDIRS = firmware host utility cgpt tests tests/tpm_lite
else
SUBDIRS = firmware
endif
all:
set -e; \
for d in $(shell find ${SUBDIRS} -name '*.c' -exec dirname {} \; |\
sort -u); do \
newdir=${BUILD}/$$d; \
if [ ! -d $$newdir ]; then \
mkdir -p $$newdir; \
fi; \
done; \
[ -z "$(FIRMWARE_ARCH)" ] && $(MAKE) -C utility update_tlcl_structures; \
for i in $(SUBDIRS); do \
make -C $$i; \
done
libcgpt_cc:
mkdir -p ${BUILD}/cgpt ${BUILD}/firmware/lib/cgptlib ${BUILD}/firmware/stub
$(MAKE) -C cgpt libcgpt_cc
cgptmanager_tests: libcgpt_cc
mkdir -p ${BUILD}/tests
$(MAKE) -C tests cgptmanager_tests
libdump_kernel_config:
mkdir -p ${BUILD}/utility
$(MAKE) -C utility $(DUMPKERNELCONFIGLIB)
clean:
/bin/rm -rf ${BUILD}
install:
$(MAKE) -C utility install
$(MAKE) -C cgpt install
runtests:
$(MAKE) -C tests runtests
runcgptmanagertests:
$(MAKE) -C tests runcgptmanagertests
rbtest:
$(MAKE) -C tests rbtest
runbmptests:
$(MAKE) -C tests runbmptests
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