d69b2e4d55765f5cd50443ecd12773432f5b6e55
[openwrt/svn-archive/archive.git] / 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 rm -f $(LINUX_DIR)/vmlinux $(LINUX_DIR)/System.map
59 $(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
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