b5950c3f5da444219a361603f8ef671d11ad36a0
[openwrt/staging/chunkeey.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 PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
30 KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
31 LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
32
33 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
34 MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
35 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
36
37 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
38
39 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
40 LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
41 http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
42 http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
43 http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
44
45 endif
46
47
48 define KernelPackage/Defaults
49 FILES:=
50 KCONFIG:=m
51 AUTOLOAD:=
52 endef
53
54 define ModuleAutoLoad
55 export modules=; \
56 add_module() { \
57 mkdir -p $(2)/etc/modules.d; \
58 ( \
59 for mod in $$$$$$$$2; do \
60 getvar mod; \
61 done \
62 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
63 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
64 }; \
65 $(3) \
66 if [ -n "$$$$$$$$modules" ]; then \
67 mkdir -p $(2)/etc/modules.d; \
68 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
69 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
70 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
71 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
72 chmod 0755 $(2)/CONTROL/postinst; \
73 fi
74 endef
75
76
77 define KernelPackage
78 NAME:=$(1)
79 $(eval $(call Package/Default))
80 $(eval $(call KernelPackage/Defaults))
81 $(eval $(call KernelPackage/$(1)))
82 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
83 $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
84
85 define Package/kmod-$(1)
86 TITLE:=$(TITLE)
87 SECTION:=kernel
88 CATEGORY:=Kernel modules
89 DEFAULT:=$(KMOD_DEFAULT)
90 DESCRIPTION:=$(DESCRIPTION)
91 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
92 $(call KernelPackage/$(1))
93 $(call KernelPackage/$(1)/$(KERNEL))
94 $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
95 endef
96
97 ifeq ($(findstring m,$(KCONFIG)),m)
98 ifneq ($(strip $(FILES)),)
99 define Package/kmod-$(1)/install
100 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
101 $(CP) $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
102 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
103 $(call KernelPackage/$(1)/install,$$(1))
104 endef
105 endif
106 endif
107 $$(eval $$(call BuildPackage,kmod-$(1)))
108 endef
109
110 define AutoLoad
111 add_module $(1) "$(2)";
112 endef
113