make target/linux/* directories self-contained, use the selected kernel version for...
[openwrt-10.03/.git] / include / kernel.mk
1
2 # Copyright (C) 2006 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 ifeq ($(DUMP),1)
9   KERNEL?=<KERNEL>
10   BOARD?=<BOARD>
11   LINUX_VERSION?=<LINUX_VERSION>
12 else
13   include $(INCLUDE_DIR)/target.mk
14
15   ifeq ($(KERNEL),2.6)
16     LINUX_KMOD_SUFFIX=ko
17   else
18     LINUX_KMOD_SUFFIX=o
19   endif
20
21   ifneq (,$(findstring uml,$(BOARD)))
22     KERNEL_CC:=$(HOSTCC)
23     KERNEL_CROSS:=
24   else
25     KERNEL_CC:=$(TARGET_CC)
26     KERNEL_CROSS:=$(TARGET_CROSS)
27   endif
28
29   KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
30   LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
31
32   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
33   MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
34   TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
35
36   LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
37
38   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
39   LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
40            http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
41            http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
42            http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
43
44 endif
45
46
47 define KernelPackage/Defaults
48   FILES:=
49   KCONFIG:=m
50   AUTOLOAD:=
51 endef
52
53 define ModuleAutoLoad
54         export modules=; \
55         add_module() { \
56                 mkdir -p $(2)/etc/modules.d; \
57                 ( \
58                         for mod in $$$$$$$$2; do \
59                                 getvar mod; \
60                         done \
61                 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
62                 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
63         }; \
64         $(3) \
65         if [ -n "$$$$$$$$modules" ]; then \
66                 mkdir -p $(2)/etc/modules.d; \
67                 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
68                 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
69                 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
70                 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
71                 chmod 0755 $(2)/CONTROL/postinst; \
72         fi
73 endef
74  
75
76 define KernelPackage
77   NAME:=$(1)
78   $(eval $(call KernelPackage/Defaults))
79   $(eval $(call KernelPackage/$(1)))
80   $(eval $(call KernelPackage/$(1)/$(KERNEL)))
81   $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
82
83   define Package/kmod-$(1)
84     TITLE:=$(TITLE)
85     SECTION:=kernel
86     CATEGORY:=Kernel modules
87     DEFAULT:=m
88     DESCRIPTION:=$(DESCRIPTION)
89     EXTRA_DEPENDS:='kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))'
90     $(call KernelPackage/$(1))
91     $(call KernelPackage/$(1)/$(KERNEL))
92     $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
93   endef
94
95   ifeq ($(findstring m,$(KCONFIG)),m)
96     ifneq ($(strip $(FILES)),)
97       define Package/kmod-$(1)/install
98                 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
99                 $(CP) $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
100                 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
101                 $(call KernelPackage/$(1)/install,$$(1))
102       endef
103     endif
104   endif
105   $$(eval $$(call BuildPackage,kmod-$(1)))
106 endef
107
108 define AutoLoad
109   add_module $(1) "$(2)";
110 endef
111