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#
# Copyright (C) 2006-2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# For target profile selection - the default set
DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper
ifneq ($(KERNEL),2.4)
DEFAULT_PACKAGES+=udevtrigger hotplug2
endif
KERNELNAME=
ifneq (,$(findstring x86,$(BOARD)))
KERNELNAME="bzImage"
endif
ifneq (,$(findstring rdc,$(BOARD)))
KERNELNAME="bzImage"
endif
ifneq (,$(findstring ppc,$(BOARD)))
KERNELNAME="uImage"
endif
KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
CONFIG_SHELL="$(BASH)"
define Kernel/Prepare/Default
bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
endef
define Kernel/Configure/2.4
$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
$(MAKE) $(KERNEL_MAKEOPTS) dep
endef
define Kernel/Configure/2.6
$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
endef
define Kernel/Configure/Default
@if [ -f "./config/profile-$(PROFILE)" ]; then \
$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template '+' $(LINUX_CONFIG) ./config/profile-$(PROFILE) > $(LINUX_DIR)/.config; \
else \
$(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
fi
$(call Kernel/Configure/$(KERNEL))
rm -rf $(KERNEL_BUILD_DIR)/modules
@rm -f $(BUILD_DIR)/linux
ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
endef
define Kernel/CompileModules/Default
$(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
endef
ifeq ($(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_PLATFORM_DIR)/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) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
$(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
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
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