revert [8415], seems to be causing problems for the kernel build
[openwrt/openwrt.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 $(INCLUDE_DIR)/target.mk
14
15 export GCC_HONOUR_COPTS=s
16
17 ifeq ($(KERNEL),2.6)
18 LINUX_KMOD_SUFFIX=ko
19 else
20 LINUX_KMOD_SUFFIX=o
21 endif
22
23 ifneq (,$(findstring uml,$(BOARD)))
24 KERNEL_CC:=$(HOSTCC)
25 KERNEL_CROSS:=
26 else
27 KERNEL_CC:=$(TARGET_CC)
28 KERNEL_CROSS:=$(TARGET_CROSS)
29 endif
30
31 KERNEL_PATCHVER:=$(shell echo $(LINUX_VERSION) | cut -d. -f1,2,3 | cut -d- -f1)
32 PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)
33 PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
34 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
35 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
36
37 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
38 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
39
40 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
41
42 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
43 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
44 LINUX_SITE:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
45 http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
46 http://www.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
47 http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING)
48
49 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
50 endif
51 GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
52 GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
53
54
55 define KernelPackage/Defaults
56 FILES:=
57 AUTOLOAD:=
58 endef
59
60 define ModuleAutoLoad
61 export modules=; \
62 add_module() { \
63 mkdir -p $(2)/etc/modules.d; \
64 ( \
65 for mod in $$$$$$$$2; do \
66 getvar mod; \
67 done \
68 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
69 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
70 }; \
71 $(3) \
72 if [ -n "$$$$$$$$modules" ]; then \
73 mkdir -p $(2)/etc/modules.d; \
74 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
75 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
76 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
77 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
78 chmod 0755 $(2)/CONTROL/postinst; \
79 fi
80 endef
81
82
83 define KernelPackage
84 NAME:=$(1)
85 $(eval $(call Package/Default))
86 $(eval $(call KernelPackage/Defaults))
87 $(eval $(call KernelPackage/$(1)))
88 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
89 $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
90
91 define Package/kmod-$(1)
92 TITLE:=$(TITLE)
93 SECTION:=kernel
94 CATEGORY:=Kernel modules
95 DESCRIPTION:=$(DESCRIPTION)
96 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
97 $(call KernelPackage/$(1))
98 $(call KernelPackage/$(1)/$(KERNEL))
99 $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
100 endef
101
102 ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
103 ifneq ($(strip $(FILES)),)
104 define Package/kmod-$(1)/install
105 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
106 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
107 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
108 $(call KernelPackage/$(1)/install,$$(1))
109 endef
110 endif
111 endif
112 $$(eval $$(call BuildPackage,kmod-$(1)))
113
114 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
115 endef
116
117 define AutoLoad
118 add_module $(1) "$(2)";
119 endef
120