include/kernel-defaults.mk

   1 #
   2 # Copyright (C) 2006-2007 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 # For target profile selection - the default set
   9 DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd kmod-ipt-nathelper
  10 ifneq ($(KERNEL),2.4)
  11   DEFAULT_PACKAGES+=udevtrigger hotplug2
  12 endif
  13
  14 KERNELNAME=
  15 ifneq (,$(findstring x86,$(BOARD)))
  16   KERNELNAME="bzImage"
  17 endif
  18 ifneq (,$(findstring rdc,$(BOARD)))
  19   KERNELNAME="bzImage"
  20 endif
  21 ifneq (,$(findstring ppc,$(BOARD)))
  22   KERNELNAME="uImage"
  23 endif
  24 ifneq (,$(findstring avr32,$(BOARD)))
  25   KERNELNAME="uImage"
  26 endif
  27
  28 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
  29         CROSS_COMPILE="$(KERNEL_CROSS)" \
  30         ARCH="$(LINUX_KARCH)" \
  31         CONFIG_SHELL="$(BASH)"
  32
  33 # defined in quilt.mk
  34 Kernel/Patch:=$(Kernel/Patch/Default)
  35 define Kernel/Prepare/Default
  36         bzcat $(DL_DIR)/$(LINUX_SOURCE) | $(TAR) -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
  37         $(Kernel/Patch)
  38 endef
  39
  40 define Kernel/Configure/2.4
  41         $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
  42         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
  43         $(MAKE) $(KERNEL_MAKEOPTS) dep
  44 endef
  45 define Kernel/Configure/2.6
  46         -$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
  47 endef
  48 define Kernel/Configure/Default
  49         $(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) \
  50                 $(if $(wildcard ./config/profile-$(PROFILE)),'+' $(LINUX_CONFIG) ./config/profile-$(PROFILE), $(LINUX_CONFIG)) \
  51                 > $(LINUX_DIR)/.config.target
  52         $(SCRIPT_DIR)/metadata.pl kconfig $(TMP_DIR)/.packageinfo $(TOPDIR)/.config > $(LINUX_DIR)/.config.override
  53         $(SCRIPT_DIR)/config.pl 'm+' $(LINUX_DIR)/.config.target $(LINUX_DIR)/.config.override >$(LINUX_DIR)/.config
  54         $(call Kernel/Configure/$(KERNEL))
  55         rm -rf $(KERNEL_BUILD_DIR)/modules
  56         @rm -f $(BUILD_DIR)/linux
  57         ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
  58 endef
  59
  60 define Kernel/CompileModules/Default
  61         rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
  62         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
  63 endef
  64
  65 ifeq ($(KERNEL),2.6)
  66   ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  67     define Kernel/SetInitramfs
  68                 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
  69                 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
  70                 echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
  71                 echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
  72                 echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
  73     endef
  74   else
  75     define Kernel/SetInitramfs
  76                 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
  77                 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
  78                 rm -f $(BUILD_DIR)/root/init
  79                 echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
  80     endef
  81   endif
  82 endif
  83 define Kernel/CompileImage/Default
  84         $(call Kernel/SetInitramfs)
  85         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
  86         $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
  87         $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
  88 endef
  89
  90 define Kernel/Clean/Default
  91         rm -f $(LINUX_DIR)/.linux-compile
  92         rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
  93         rm -f $(LINUX_KERNEL)
  94         $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
  95 endef
  96
  97