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#################################################################################
# Embtoolkit
# Copyright(C) 2009-2014 Abdoulaye Walsimou GAYE.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
#
# \file linux.mk
# \brief linux image and module build/install
# \author Abdoulaye Walsimou GAYE <awg@embtoolkit.org>
# \date May 2009
################################################################################
#
# linux install macros
#
pembtk_linux_dotconfig_f := $(call embtk_uquote,$(CONFIG_EMBTK_LINUX_DOTCONFIG))
pembtk_linux_extsrc-y := $(CONFIG_EMBTK_LINUX_BUILD_USE_EXTSRC)
pembtk_linux_srcdir := $(call embtk_uquote,$(or $(CONFIG_EMBTK_LINUX_BUILD_EXTSRC),$(LINUX_SRC_DIR)))
pembtk_linux_modules-y := $(shell grep MODULES=y "$(pembtk_linux_dotconfig_f)" 2>/dev/null)
define pembtk_linux_check_dotconfig
if [ "x" = "x$(pembtk_linux_dotconfig_f)" ]; then \
$(call embtk_perror,"No kernel config file specified"); \
exit 1; \
fi
if [ ! -e $(pembtk_linux_dotconfig_f) ]; then \
$(call embtk_perror,"Kernel config file $(pembtk_linux_dotconfig_f) not found");\
exit 1; \
fi
endef
define pembtk_linux_check_extsrc
if [ "x" = "x$(pembtk_linux_srcdir)" ]; then \
$(call embtk_perror,"kernel source tree not specified"); \
exit 1; \
fi
if [ ! -d $(pembtk_linux_srcdir) ]; then \
$(call embtk_perror,"kernel source tree $(pembtk_linux_srcdir) not found");\
exit 1; \
fi
endef
ifeq ($(embtk_buildhost_os),macos)
define embtk_beforeinstall_linux
cp $(EMBTK_ROOT)/scripts/unifdef.c \
$(LINUX_SRC_DIR)/scripts/unifdef.c
endef
endif
pembtk_linux_generated := $(embtk_generated)/linux-images-$(GNU_TARGET)-$(EMBTK_MCU_FLAG)
pembtk_linux_generated/boot := $(pembtk_linux_generated)/boot
pembtk_linux_generated/boot/dts := $(pembtk_linux_generated/boot)/dts
pembtk_linux_bootdir := $(pembtk_linux_srcdir)/arch/$(LINUX_ARCH)/boot
pembtk_linux_bootfiles := Image zImage xipImage bootpImage uImage
pembtk_linux_bootfiles += vmlinux.ecoff vmlinux.bin vmlinux.srec
pembtk_linux_bootfiles += uImage.gz
define embtk_install_linux
$(pembtk_linux_check_dotconfig)
$(if $(pembtk_linux_extsrc-y),$(pembtk_linux_check_extsrc))
cp $(CONFIG_EMBTK_LINUX_DOTCONFIG) $(pembtk_linux_srcdir)/.config
$(MAKE) -C $(pembtk_linux_srcdir) $(LINUX_MAKE_OPTS) silentoldconfig
$(MAKE) -C $(pembtk_linux_srcdir) $(LINUX_MAKE_OPTS) $(J)
[ -e $(pembtk_linux_generated/boot) ] || \
install -d $(pembtk_linux_generated/boot)
[ -e $(pembtk_linux_generated/boot/dts) ] || \
install -d $(pembtk_linux_generated/boot/dts)
cp $(pembtk_linux_srcdir)/vmlinux $(pembtk_linux_generated)
cd $(pembtk_linux_bootdir); \
for b in $(pembtk_linux_bootfiles); do \
if [ -e $$b ]; then cp $$b $(pembtk_linux_generated/boot); fi; \
done
for b in $$(ls $(pembtk_linux_bootdir)/dts/*.dtb 2>/dev/null); \
do \
cp $$b $(pembtk_linux_generated/boot/dts); \
done
endef
define embtk_cleanup_linux
[ -d $(LINUX_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux) ||:
rm -rf $(pembtk_linux_generated)
endef
#
# linux modules part
#
LINUX_MODULES_NAME := linux
LINUX_MODULES_VERSION := $(LINUX_VERSION)
LINUX_MODULES_SITE := $(LINUX_SITE)
LINUX_MODULES_PACKAGE := $(LINUX_PACKAGE)
LINUX_MODULES_SRC_DIR := $(LINUX_SRC_DIR)
LINUX_MODULES_BUILD_DIR := $(LINUX_BUILD_DIR)
LINUX_MODULES_KCONFIGS_NAME := LINUX
LINUX_MODULES_KEEP_SRC_DIR := $(LINUX_KEEP_SRC_DIR)
define embtk_install_linux_modules
$(if $(pembtk_linux_modules-y),$(pembtk_install_linux_modules))
endef
define pembtk_install_linux_modules
$(call embtk_pinfo,"Install linux kernel modules...")
$(embtk_install_linux)
$(MAKE) -C $(pembtk_linux_srcdir) $(LINUX_MAKE_OPTS) \
INSTALL_MOD_PATH=$(embtk_rootfs) modules_install
endef
define embtk_postinstall_linux_modules
rm -rf $(embtk_rootfs)/lib/modules/*/build
rm -rf $(embtk_rootfs)/lib/modules/*/source
endef
define embtk_cleanup_linux_modules
[ -d $(LINUX_BUILD_DIR) ] && $(call __embtk_unsetinstalled_pkg,linux_modules) ||:
endef
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