qi-hardware/openwrt-xburst
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openwrt-xburst/include/kernel-build.mk
nbd 2c38903c12 autodetect atm, pci, usb, pcmcia features from kernel config file 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5586 3c298f89-4303-0410-b956-a3cf2f4a3e73
2006-11-19 20:30:11 +00:00

227 lines
6.0 KiB
Makefile
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#
# Copyright (C) 2006 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
KERNEL_BUILD:=1
include $(INCLUDE_DIR)/prereq.mk
-include ./config
ifneq ($(CONFIG_ATM),)
FEATURES += atm
endif
ifneq ($(CONFIG_PCI),)
FEATURES += pci
endif
ifneq ($(CONFIG_USB),)
FEATURES += usb
endif
ifneq ($(CONFIG_PCMCIA),)
FEATURES += pcmcia
endif
# remove duplicates
FEATURES:=$(sort $(FEATURES))
# For target profile selection - the default set
DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd
ifeq ($(DUMP),1)
all: dumpinfo
else
all: compile
endif
KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
include $(INCLUDE_DIR)/host.mk
include $(INCLUDE_DIR)/kernel.mk
LINUX_CONFIG:=./config
ifneq (,$(findstring uml,$(BOARD)))
LINUX_KARCH:=um
else
LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
-e 's/mipsel/mips/' \
-e 's/mipseb/mips/' \
-e 's/powerpc/ppc/' \
-e 's/sh[234]/sh/' \
-e 's/armeb/arm/' \
)
endif
KERNELNAME=
ifneq (,$(findstring x86,$(BOARD)))
KERNELNAME="bzImage"
endif
ifneq (,$(findstring ppc,$(BOARD)))
KERNELNAME="uImage"
endif
define Kernel/Prepare/Default
bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches
[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
endef
define Kernel/Prepare
$(call Kernel/Prepare/Default)
endef
define Kernel/Configure/2.4
$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
endef
define Kernel/Configure/2.6
$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
endef
define Kernel/Configure/Default
@$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
$(call Kernel/Configure/$(KERNEL))
endef
define Kernel/Configure
$(call Kernel/Configure/Default)
endef
define Kernel/CompileModules/Default
$(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
endef
define Kernel/CompileModules
$(call Kernel/CompileModules/Default)
endef
ifeq ($(KERNEL),2.6)
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
define Kernel/SetInitramfs
mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
mkdir -p $(BUILD_DIR)/root/etc/init.d
$(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
endef
else
define Kernel/SetInitramfs
mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
endef
endif
endif
define Kernel/CompileImage/Default
$(call Kernel/SetInitramfs)
$(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
endef
define Kernel/CompileImage
$(call Kernel/CompileImage/Default)
endef
define Kernel/Clean/Default
rm -f $(LINUX_DIR)/.linux-compile
rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
rm -f $(LINUX_KERNEL)
$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
endef
define Kernel/Clean
$(call Kernel/Clean/Default)
endef
define BuildKernel
ifneq ($(LINUX_SITE),)
$(DL_DIR)/$(LINUX_SOURCE):
-mkdir -p $(DL_DIR)
$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
endif
$(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
-rm -rf $(KERNEL_BUILD_DIR)
-mkdir -p $(KERNEL_BUILD_DIR)
$(call Kernel/Prepare)
touch $$@
$(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
$(call Kernel/Configure)
touch $$@
$(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
rm -rf $(KERNEL_BUILD_DIR)/modules
@rm -f $(BUILD_DIR)/linux
ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
$(call Kernel/CompileModules)
touch $$@
$(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
$(call Kernel/CompileImage)
touch $$@
mostlyclean: FORCE
$(call Kernel/Clean)
ifeq ($(DUMP),1)
dumpinfo:
@echo 'Target: $(BOARD)-$(KERNEL)'
@echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
@echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
@echo 'Target-Arch: $(ARCH)'
@echo 'Target-Features: $(FEATURES)'
@echo 'Linux-Version: $(LINUX_VERSION)'
@echo 'Linux-Release: $(LINUX_RELEASE)'
@echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
@echo 'Target-Description:'
@getvar $(call shvar,Target/Description)
@echo '@@'
@echo 'Default-Packages: $(DEFAULT_PACKAGES)'
ifneq ($(DUMPINFO),)
@$(DUMPINFO)
endif
endif
define BuildKernel
endef
endef
define Profile/Default
NAME:=
PACKAGES:=
endef
define Profile
$(eval $(call Profile/Default))
$(eval $(call Profile/$(1)))
DUMPINFO += \
echo "Target-Profile: $(1)"; \
echo "Target-Profile-Name: $(NAME)"; \
echo "Target-Profile-Packages: $(PACKAGES)";
endef
$(eval $(call shexport,Target/Description))
download: $(DL_DIR)/$(LINUX_SOURCE)
prepare: $(LINUX_DIR)/.configured $(TMP_DIR)/.kernel.mk
compile: $(LINUX_DIR)/.modules
install: $(LINUX_DIR)/.image
clean: FORCE
rm -f $(STAMP_DIR)/.linux-compile
rm -rf $(KERNEL_BUILD_DIR)
rebuild: FORCE
@$(MAKE) mostlyclean
@if [ -f $(LINUX_KERNEL) ]; then \
$(MAKE) clean; \
fi
@$(MAKE) compile
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