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# This file is part of the OpenADK project. OpenADK is copyrighted
# material, please see the LICENCE file in the top-level directory.
include $(TOPDIR)/rules.mk
include $(TOPDIR)/mk/rootfs.mk
all: install
### Kernel .config Creation
# The following target combines all kernel-related variables and
# config files into a single one to be used as the final kernel
# configuration when building. This is how it's done:
# 1) fetch all ADK_KPACKAGE_KMOD_* vars into
# .kernelconfig.modules and set them to "m",
# fetch all ADK_KERNEL_MOD_* vars into
# .kernelconfig.modules and set them to "m"
# 2) fetch all enabled ADK_KERNEL_* vars into
# .kernelconfig.kernel (no conversion, as they are booleans)
# 3) repeat 2) for the disabled ones and save them into
# .kernelconfig.nokernel (to overwrite defaults)
# 4) get the device-specific static kernel config and place it into
# .kernelconfig.board
# 5) prepare for merging:
# * if a variable is disabled in .kernelconfig.board and
# enabled in either of .kernelconfig.{modules,kernel},
# remove it from .kernelconfig.board
# * append ${FS_CMDLINE} to the kernel commandline inside
# .kernelconfig.board
# 6) merge (cat) it all together into .kernelconfig.tmp
# 7) check if .kernelconfig.tmp differs from the current one
# (.kernelconfig) at all, overwriting the current one
# only if it does (so the timestamp stays intact)
# 8) remove the temporary .kernelconfig.tmp
###
ADK_PACKAGE_CRYPTINIT_ROOT:=$(strip $(subst ",, $(ADK_PACKAGE_CRYPTINIT_ROOT)))
ADK_PACKAGE_CRYPTINIT_SWAP:=$(strip $(subst ",, $(ADK_PACKAGE_CRYPTINIT_SWAP)))
ADK_PACKAGE_CMDLINE:=root=$(ADK_PACKAGE_CRYPTINIT_ROOT) swap=$(ADK_PACKAGE_CRYPTINIT_SWAP) resume=/dev/mapper/swapcrypt
ifeq (${ADK_TARGET_KERNEL_CUSTOMISING},y)
config-prepare: $(TOPDIR)/.config
@sed -n '/^ADK_KPACKAGE_KMOD/s//CONFIG/p' ${TOPDIR}/.config | \
sed 's/=y/=m/' >${BUILD_DIR}/.kernelconfig.modules
@sed -n '/^ADK_KERNEL_MOD/s//CONFIG/p' ${TOPDIR}/.config | \
sed 's/=y/=m/' >>${BUILD_DIR}/.kernelconfig.modules
@sed -n '/^ADK_KERNEL/s//CONFIG/p' ${TOPDIR}/.config \
>${BUILD_DIR}/.kernelconfig.kernel
@sed -n '/^# ADK_KERNEL/s//# CONFIG/p' ${TOPDIR}/.config \
>${BUILD_DIR}/.kernelconfig.nokernel
ifeq ($(ADK_NATIVE),y)
@if [ -f /etc/adktarget ];then \
cp $(TOPDIR)/target/$(ARCH)/kernel.config ${BUILD_DIR}/.kernelconfig.board; \
else \
if [ -f /proc/config.gz ];then zcat /proc/config.gz > ${BUILD_DIR}/.kernelconfig.board; else cp ${ADK_TARGET}/kernel.config.$(ARCH) ${BUILD_DIR}/.kernelconfig.board; fi; \
fi
else
if [ -f ${ADK_TARGET_ARCH}/kernel.config.$(ADK_TARGET_SYSTEM) ];then \
cp ${ADK_TARGET_ARCH}/kernel.config.$(ADK_TARGET_SYSTEM) ${BUILD_DIR}/.kernelconfig.board; \
else \
cp ${ADK_TARGET_ARCH}/kernel.config ${BUILD_DIR}/.kernelconfig.board; \
fi
endif
@(cat ${BUILD_DIR}/.kernelconfig.{modules,kernel} | \
while IFS='=' read symbol value; do \
sed -i -e "/^# $$symbol/d" ${BUILD_DIR}/.kernelconfig.board; \
done;)
@sed -i -e 's#^\(CONFIG_.*CMDLINE="\)\(.*\)"#\1\2 ${FS_CMDLINE}"#' \
${BUILD_DIR}/.kernelconfig.board
ifneq ($(ADK_TARGET_CMDLINE),)
@sed -i -e 's#^\(CONFIG_.*CMDLINE="\)\(.*\)"#\1\2 ${ADK_TARGET_CMDLINE}"#' \
${BUILD_DIR}/.kernelconfig.board
endif
ifneq ($(ADK_PACKAGE_CRYPTINIT_ROOT),)
@sed -i -e 's#^\(CONFIG_.*CMDLINE="\)\(.*\)"#\1\2 ${ADK_PACKAGE_CMDLINE}"#' \
${BUILD_DIR}/.kernelconfig.board
endif
ifeq ($(ADK_QUIET_KERNEL),y)
@sed -i -e 's#^\(CONFIG_.*CMDLINE="\)\(.*\)"#\1\2 quiet"#' \
${BUILD_DIR}/.kernelconfig.board
endif
ifeq ($(ADK_KERNEL_DEBUG_WITH_KGDB),y)
@sed -i -e 's#^\(CONFIG_.*CMDLINE="\)\(.*\)"#\1\2 kgdbwait kgdboc=ttyS0,115200"#' \
${BUILD_DIR}/.kernelconfig.board
endif
@cd ${BUILD_DIR} && cat .kernelconfig.board .kernelconfig.nokernel \
.kernelconfig.kernel .kernelconfig.modules \
>.kernelconfig.tmp
@cd ${BUILD_DIR} && cmp -s .kernelconfig.tmp .kernelconfig || \
cp .kernelconfig.tmp .kernelconfig
@-rm -f ${BUILD_DIR}/.kernelconfig.tmp
else
config-prepare: $(TOPDIR)/.config
if [ -f ${ADK_TARGET_ARCH}/kernel.config.$(ADK_TARGET_SYSTEM) ];then \
cp ${ADK_TARGET_ARCH}/kernel.config.$(ADK_TARGET_SYSTEM) ${BUILD_DIR}/.kernelconfig.board; \
else \
cp ${ADK_TARGET_ARCH}/kernel.config ${BUILD_DIR}/.kernelconfig.board; \
fi
endif
prepare: $(ADK_TARGET_ARCH)-prepare
compile: $(ADK_TARGET_ARCH)-compile
image: $(ADK_TARGET_ARCH)-imageclean $(ADK_TARGET_ARCH)-imageinstall
install: $(ADK_TARGET_ARCH)-imageclean $(ADK_TARGET_ARCH)-install $(ADK_TARGET_ARCH)-imageinstall
clean: $(ADK_TARGET_ARCH)-clean $(ADK_TARGET_ARCH)-imageclean
%-clean:
$(TRACE) target/$(patsubst %-clean,%,$@)-clean
$(MAKE) -C $(patsubst %-clean,%,$@) clean
%-imageclean:
$(TRACE) target/$(patsubst %-imageclean,%,$@)-imageclean
$(MAKE) -C $(patsubst %-imageclean,%,$@) imageclean
%-prepare:
$(TRACE) target/$(patsubst %-prepare,%,$@)-prepare
$(MAKE) -C $(patsubst %-prepare,%,$@) prepare
%-imageprepare:
$(TRACE) target/$(patsubst %-imageprepare,%,$@)-imageprepare
$(MAKE) -C $(patsubst %-imageprepare,%,$@) imageprepare
%-compile: %-prepare
$(TRACE) target/$(patsubst %-compile,%,$@)-compile
$(MAKE) -C $(patsubst %-compile,%,$@) compile
%-install: %-compile
$(TRACE) target/$(patsubst %-install,%,$@)-install
$(MAKE) -C $(patsubst %-install,%,$@) install
%-imageinstall: %-imageprepare
$(TRACE) target/$(patsubst %-imageinstall,%,$@)-imageinstall
$(MAKE) -C $(patsubst %-imageinstall,%,$@) imageinstall
@echo 'Login as user root with password ${ADK_RUNTIME_PASSWORD} via ssh or console.'
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