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freifunkist-firmware/include/kernel-defaults.mk

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3.3 KiB

#
# Copyright (C) 2006-2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
# default device type
DEVICE_TYPE?=router
# Default packages - the really basic set
DEFAULT_PACKAGES:=base-files libgcc uclibc busybox dropbear mtd mtd
# For router targets
DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe iptables kmod-ipt-nathelper bridge
# Additional packages for Linux 2.6
ifneq ($(KERNEL),2.4)
DEFAULT_PACKAGES += udevtrigger hotplug2
endif
# Add device specific packages
DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
KERNELNAME=
ifneq (,$(findstring x86,$(BOARD)))
KERNELNAME="bzImage"
endif
ifneq (,$(findstring rdc,$(BOARD)))
KERNELNAME="bzImage"
endif
ifneq (,$(findstring ppc,$(BOARD)))
KERNELNAME="uImage"
endif
ifneq (,$(findstring avr32,$(BOARD)))
KERNELNAME="uImage"
endif
KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
CROSS_COMPILE="$(KERNEL_CROSS)" \
ARCH="$(LINUX_KARCH)" \
CONFIG_SHELL="$(BASH)"
# defined in quilt.mk
Kernel/Patch:=$(Kernel/Patch/Default)
define Kernel/Prepare/Default
bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
$(Kernel/Patch)
$(if $(QUILT),touch $(LINUX_DIR)/.quilt_used)
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
$(LINUX_CONFCMD) > $(LINUX_DIR)/.config.target
$(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
$(SCRIPT_DIR)/kconfig.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override > $(LINUX_DIR)/.config
$(call Kernel/Configure/$(KERNEL))
rm -rf $(KERNEL_BUILD_DIR)/modules
endef
define Kernel/CompileModules/Default
rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
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 > $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_SOURCE="$(TARGET_DIR)"' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
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 $(TARGET_DIR)/init
echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
endef
endif
endif
define Kernel/CompileImage/Default
$(call Kernel/SetInitramfs)
$(MAKE) $(KERNEL_MAKEOPTS) CC="$(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 $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
rm -f $(LINUX_KERNEL)
$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
endef