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
  25 KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
  26         CROSS_COMPILE="$(KERNEL_CROSS)" \
  27         ARCH="$(LINUX_KARCH)" \
  28         CONFIG_SHELL="$(BASH)"
  29
  30 define Kernel/Prepare/Default
  31         bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
  32         if [ -d $(GENERIC_PLATFORM_DIR)/patches ]; then $(PATCH) $(LINUX_DIR) $(GENERIC_PLATFORM_DIR)/patches; fi
  33         if [ -d ./files ]; then $(CP) ./files/* $(LINUX_DIR)/; fi
  34         if [ -d ./patches ]; then $(PATCH) $(LINUX_DIR) ./patches; fi
  35 endef
  36
  37 define Kernel/Configure/2.4
  38         $(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
  39         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
  40         $(MAKE) $(KERNEL_MAKEOPTS) dep
  41 endef
  42 define Kernel/Configure/2.6
  43         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
  44 endef
  45 define Kernel/Configure/Default
  46         @if [ -f "./config/profile-$(PROFILE)" ]; then \
  47                 $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template '+' $(LINUX_CONFIG) ./config/profile-$(PROFILE) > $(LINUX_DIR)/.config; \
  48         else \
  49                 $(SCRIPT_DIR)/config.pl '+' $(GENERIC_PLATFORM_DIR)/config-template $(LINUX_CONFIG) > $(LINUX_DIR)/.config; \
  50         fi
  51         $(call Kernel/Configure/$(KERNEL))
  52         rm -rf $(KERNEL_BUILD_DIR)/modules
  53         @rm -f $(BUILD_DIR)/linux
  54         ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
  55 endef
  56
  57 define Kernel/CompileModules/Default
  58         $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
  59         $(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
  60 endef
  61
  62 ifeq ($(KERNEL),2.6)
  63   ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
  64     define Kernel/SetInitramfs
  65                 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
  66                 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
  67                 echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
  68                 echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
  69                 echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
  70                 mkdir -p $(BUILD_DIR)/root/etc/init.d
  71                 $(CP) $(GENERIC_PLATFORM_DIR)/files/init $(BUILD_DIR)/root/
  72     endef
  73   else
  74     define Kernel/SetInitramfs
  75                 mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
  76                 grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
  77                 rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
  78                 echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
  79     endef
  80   endif
  81 endif
  82 define Kernel/CompileImage/Default
  83         $(call Kernel/SetInitramfs)
  84         $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
  85         $(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
  86         $(KERNEL_CROSS)objcopy -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/vmlinux.elf
  87 endef
  88
  89 define Kernel/Clean/Default
  90         rm -f $(LINUX_DIR)/.linux-compile
  91         rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
  92         rm -f $(LINUX_KERNEL)
  93         $(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
  94 endef
  95
  96