2 # Copyright (C) 2006 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
14 KERNEL
:=2.
$(word 2,$(subst .
, ,$(strip $(LINUX_VERSION
))))
16 include $(INCLUDE_DIR
)/host.mk
17 include $(INCLUDE_DIR
)/kernel.mk
19 LINUX_CONFIG
:=.
/config
21 ifneq (,$(findstring uml
,$(BOARD
)))
24 LINUX_KARCH
:=$(shell echo
$(ARCH
) | sed
-e
's/i[3-9]86/i386/' \
34 ifneq (,$(findstring x86
,$(BOARD
)))
37 ifneq (,$(findstring ppc
,$(BOARD
)))
42 define Kernel
/Prepare
/Default
43 bzcat
$(DL_DIR
)/$(LINUX_SOURCE
) |
tar -C
$(KERNEL_BUILD_DIR
) $(TAR_OPTIONS
)
44 [ -d ..
/generic-
$(KERNEL
)/patches
] && $(PATCH
) $(LINUX_DIR
) ..
/generic-
$(KERNEL
)/patches
45 [ -d .
/patches
] && $(PATCH
) $(LINUX_DIR
) .
/patches
48 $(call Kernel
/Prepare
/Default
)
52 define Kernel
/Configure
/2.4
53 $(SED
) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR
)/arch
/mips
/Makefile
54 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) oldconfig
include/linux
/compile.h
include/linux
/version.h
55 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" ARCH
=$(LINUX_KARCH
) dep
57 define Kernel
/Configure
/2.6
58 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) oldconfig prepare scripts
60 define Kernel
/Configure
/Default
61 @
$(CP
) $(LINUX_CONFIG
) $(LINUX_DIR
)/.config
62 $(call Kernel
/Configure
/$(KERNEL
))
64 define Kernel
/Configure
65 $(call Kernel
/Configure
/Default
)
69 define Kernel
/CompileModules
/Default
70 $(MAKE
) -j
$(CONFIG_JLEVEL
) -C
"$(LINUX_DIR)" CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) modules
71 $(MAKE
) -C
"$(LINUX_DIR)" CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) DEPMOD
=true INSTALL_MOD_PATH
=$(KERNEL_BUILD_DIR
)/modules modules_install
73 define Kernel
/CompileModules
74 $(call Kernel
/CompileModules
/Default
)
79 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS
),y
)
80 define Kernel
/SetInitramfs
81 mv
$(LINUX_DIR
)/.config
$(LINUX_DIR
)/.config.old
82 grep
-v INITRAMFS
$(LINUX_DIR
)/.config.old
> $(LINUX_DIR
)/.config
83 echo
'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR
)/.config
84 echo
'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR
)/.config
85 echo
'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR
)/.config
86 mkdir
-p
$(BUILD_DIR
)/root
/etc
/init.d
87 $(CP
) ..
/generic-2.6
/files
/init
$(BUILD_DIR
)/root
/
90 define Kernel
/SetInitramfs
91 mv
$(LINUX_DIR
)/.config
$(LINUX_DIR
)/.config.old
92 grep
-v INITRAMFS
$(LINUX_DIR
)/.config.old
> $(LINUX_DIR
)/.config
93 rm -f
$(BUILD_DIR
)/root
/init
$(BUILD_DIR
)/root
/etc
/init.d
/S00initramfs
94 echo
'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR
)/.config
98 define Kernel
/CompileImage
/Default
99 $(call Kernel
/SetInitramfs
)
100 $(MAKE
) -j
$(CONFIG_JLEVEL
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) $(KERNELNAME
)
101 $(KERNEL_CROSS
)objcopy
-O binary
-R .reginfo
-R .note
-R .comment
-R .mdebug
-S
$(LINUX_DIR
)/vmlinux
$(LINUX_KERNEL
)
103 define Kernel
/CompileImage
104 $(call Kernel
/CompileImage
/Default
)
107 define Kernel
/Clean
/Default
108 rm -f
$(LINUX_DIR
)/.linux-compile
109 rm -f
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
)/.configured
110 rm -f
$(LINUX_KERNEL
)
111 $(MAKE
) -C
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
) clean
115 $(call Kernel
/Clean
/Default
)
119 ifneq ($(LINUX_SITE
),)
120 $(DL_DIR
)/$(LINUX_SOURCE
):
122 $(SCRIPT_DIR
)/download.pl
$(DL_DIR
) $(LINUX_SOURCE
) $(LINUX_KERNEL_MD5SUM
) $(LINUX_SITE
)
125 $(LINUX_DIR
)/.prepared
: $(DL_DIR
)/$(LINUX_SOURCE
)
126 -rm -rf
$(KERNEL_BUILD_DIR
)
127 -mkdir
-p
$(KERNEL_BUILD_DIR
)
128 $(call Kernel
/Prepare
)
131 $(LINUX_DIR
)/.configured
: $(LINUX_DIR
)/.prepared
$(LINUX_CONFIG
)
132 $(call Kernel
/Configure
)
135 $(LINUX_DIR
)/.modules
: $(LINUX_DIR
)/.configured
136 rm -rf
$(KERNEL_BUILD_DIR
)/modules
137 @
rm -f
$(BUILD_DIR
)/linux
138 ln
-sf
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
) $(BUILD_DIR
)/linux
139 $(call Kernel
/CompileModules
)
142 $(LINUX_DIR
)/.image
: $(LINUX_DIR
)/.configured FORCE
143 $(call Kernel
/CompileImage
)
153 $(eval
$(call shexport
,Target
/Description
))
157 @echo
'Target: $(BOARD)-$(KERNEL)'
158 @echo
'Target-Name: $(BOARDNAME) [$(KERNEL)]'
159 @echo
'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
160 @echo
'Target-Arch: $(ARCH)'
161 @echo
'Target-Features: $(FEATURES)'
162 @echo
'Linux-Version: $(LINUX_VERSION)'
163 @echo
'Linux-Release: $(LINUX_RELEASE)'
164 @echo
'Linux-Kernel-Arch: $(LINUX_KARCH)'
165 @echo
'Target-Description:'
166 @echo
"$$$(call shvar,Target/Description)"
169 download
: $(DL_DIR
)/$(LINUX_SOURCE
)
170 prepare
: $(LINUX_DIR
)/.configured
$(TMP_DIR
)/.kernel.mk
171 compile
: $(LINUX_DIR
)/.modules
172 install: $(LINUX_DIR
)/.image
175 rm -f
$(STAMP_DIR
)/.linux-compile
176 rm -rf
$(KERNEL_BUILD_DIR
)
180 @if
[ -f
$(LINUX_KERNEL
) ]; then \