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.
7 include $(INCLUDE_DIR
)/host.mk
9 LINUX_SOURCE
:=linux-
$(LINUX_VERSION
).
tar.bz2
10 LINUX_SITE
=http
://www.us.kernel.org
/pub
/linux
/kernel
/v
$(KERNEL
) \
11 http
://www.us.kernel.org
/pub
/linux
/kernel
/v
$(KERNEL
) \
12 http
://www.kernel.org
/pub
/linux
/kernel
/v
$(KERNEL
) \
13 http
://www.de.kernel.org
/pub
/linux
/kernel
/v
$(KERNEL
)
15 ifneq (,$(findstring uml
,$(BOARD
)))
18 LINUX_KARCH
:=$(shell echo
$(ARCH
) | sed
-e
's/i[3-9]86/i386/' \
28 ifneq (,$(findstring x86
,$(BOARD
)))
31 ifneq (,$(findstring ppc
,$(BOARD
)))
36 $(DL_DIR
)/$(LINUX_SOURCE
):
38 $(SCRIPT_DIR
)/download.pl
$(DL_DIR
) $(LINUX_SOURCE
) $(LINUX_KERNEL_MD5SUM
) $(LINUX_SITE
)
40 $(LINUX_DIR
)/.unpacked
: $(DL_DIR
)/$(LINUX_SOURCE
)
41 -mkdir
-p
$(KERNEL_BUILD_DIR
)
42 bzcat
$(DL_DIR
)/$(LINUX_SOURCE
) |
tar -C
$(KERNEL_BUILD_DIR
) $(TAR_OPTIONS
)
46 $(LINUX_DIR
)/.configured
: $(LINUX_DIR
)/.patched
47 $(SED
) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR
)/arch
/mips
/Makefile
48 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) oldconfig
include/linux
/compile.h
include/linux
/version.h
51 $(LINUX_DIR
)/.depend_done
: $(LINUX_DIR
)/.configured
52 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" ARCH
=$(LINUX_KARCH
) dep
55 $(LINUX_DIR
)/vmlinux
: $(LINUX_DIR
)/.depend_done
57 $(LINUX_DIR
)/.configured
: $(LINUX_DIR
)/.patched
58 $(MAKE
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) oldconfig prepare scripts
62 ramdisk-config
: $(LINUX_DIR
)/.configured FORCE
63 mv
$(LINUX_DIR
)/.config
$(LINUX_DIR
)/.config.old
64 grep
-v INITRAMFS
$(LINUX_DIR
)/.config.old
> $(LINUX_DIR
)/.config
65 ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS
),y
)
66 echo
'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR
)/.config
67 echo
'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR
)/.config
68 echo
'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR
)/.config
69 mkdir
-p
$(BUILD_DIR
)/root
/etc
/init.d
70 $(CP
) ..
/generic-2.6
/files
/init
$(BUILD_DIR
)/root
/
72 rm -f
$(BUILD_DIR
)/root
/init
$(BUILD_DIR
)/root
/etc
/init.d
/S00initramfs
73 echo
'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR
)/.config
76 $(LINUX_DIR
)/vmlinux
: $(LINUX_DIR
)/.linux-compile ramdisk-config
77 $(MAKE
) -j
$(CONFIG_JLEVEL
) -C
$(LINUX_DIR
) CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) $(KERNELNAME
)
79 $(LINUX_KERNEL
): $(LINUX_DIR
)/vmlinux
80 $(KERNEL_CROSS
)objcopy
-O binary
-R .reginfo
-R .note
-R .comment
-R .mdebug
-S
$< $@
81 touch
-c
$(LINUX_KERNEL
)
83 $(LINUX_DIR
)/.modules_done
:
84 rm -rf
$(KERNEL_BUILD_DIR
)/modules
85 $(MAKE
) -j
$(CONFIG_JLEVEL
) -C
"$(LINUX_DIR)" CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) modules
86 $(MAKE
) -C
"$(LINUX_DIR)" CROSS_COMPILE
="$(KERNEL_CROSS)" CC
="$(KERNEL_CC)" ARCH
=$(LINUX_KARCH
) DEPMOD
=true INSTALL_MOD_PATH
=$(KERNEL_BUILD_DIR
)/modules modules_install
87 touch
$(LINUX_DIR
)/.modules_done
89 modules
: $(LINUX_DIR
)/.modules_done
91 $(LINUX_DIR
)/.linux-compile
:
92 @
rm -f
$(BUILD_DIR
)/linux
93 ln
-sf
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
) $(BUILD_DIR
)/linux
97 $(TOPDIR
)/.kernel.mk
: $(TOPDIR
)/target
/linux
/$(BOARD
)-$(KERNEL
)/Makefile
98 echo
"CONFIG_BOARD:=$(BOARD)" > $@
99 echo
"CONFIG_KERNEL:=$(KERNEL)" >> $@
100 echo
"CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
101 echo
"CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
102 echo
"CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@
104 download
: $(DL_DIR
)/$(LINUX_SOURCE
)
105 prepare
: $(LINUX_DIR
)/.configured
106 @mkdir
-p
$(LINUX_DIR
)
108 compile
: prepare
$(LINUX_DIR
)/.linux-compile
110 install: compile
$(LINUX_KERNEL
)
113 rm -f
$(LINUX_DIR
)/.linux-compile
114 rm -f
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
)/.modules_done
115 rm -f
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
)/.drivers-unpacked
116 $(MAKE
) -C
$(KERNEL_BUILD_DIR
)/linux-
$(LINUX_VERSION
) clean
117 rm -f
$(LINUX_KERNEL
)
121 if
[ -f
$(LINUX_KERNEL
) ]; then \
124 $(MAKE
) compile
$(MAKE_TRACE
)
127 rm -f
$(STAMP_DIR
)/.linux-compile
128 rm -rf
$(KERNEL_BUILD_DIR
)