tahvo doesn't need ohci
[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 ($(__target_inc),)
9 include $(INCLUDE_DIR)/target.mk
10 endif
11
12 ifeq ($(DUMP),1)
13 KERNEL?=<KERNEL>
14 BOARD?=<BOARD>
15 LINUX_VERSION?=<LINUX_VERSION>
16 else
17 export GCC_HONOUR_COPTS=s
18
19 LINUX_KMOD_SUFFIX=ko
20
21 ifneq (,$(findstring uml,$(BOARD)))
22 KERNEL_CC?=$(HOSTCC)
23 KERNEL_CROSS?=
24 else
25 KERNEL_CC?=$(TARGET_CC)
26 KERNEL_CROSS?=$(TARGET_CROSS)
27 endif
28
29 ifeq ($(TARGET_BUILD),1)
30 PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
31 FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
32 endif
33 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
34 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
35
36 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
37 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
38
39 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
40
41 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
42 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
43 ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
44 LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
45 endif
46
47 ifneq ($(TARGET_BUILD),1)
48 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
49 endif
50 endif
51
52 ifneq (,$(findstring uml,$(BOARD)))
53 LINUX_KARCH=um
54 else
55 ifeq (,$(LINUX_KARCH))
56 LINUX_KARCH=$(strip $(subst i386,x86,$(subst armeb,arm,$(subst mipsel,mips,$(subst mips64,mips,$(subst mips64el,mips,$(subst sh2,sh,$(subst sh3,sh,$(subst sh4,sh,$(ARCH))))))))))
57 endif
58 endif
59
60
61 define KernelPackage/Defaults
62 FILES:=
63 AUTOLOAD:=
64 endef
65
66 define ModuleAutoLoad
67 $(SH_FUNC) \
68 export modules=; \
69 add_module() { \
70 priority="$$$$$$$$1"; \
71 mods="$$$$$$$$2"; \
72 boot="$$$$$$$$3"; \
73 shift 3; \
74 mkdir -p $(2)/etc/modules.d; \
75 ( \
76 [ "$$$$$$$$boot" = "1" ] && { \
77 echo '# May be required for rootfs' ; \
78 } ; \
79 for mod in $$$$$$$$mods; do \
80 echo "$$$$$$$$mod"; \
81 done \
82 ) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
83 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
84 }; \
85 $(3) \
86 if [ -n "$$$$$$$$modules" ]; then \
87 mkdir -p $(2)/etc/modules.d; \
88 mkdir -p $(2)/CONTROL; \
89 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
90 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
91 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
92 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
93 chmod 0755 $(2)/CONTROL/postinst; \
94 fi
95 endef
96
97 ifeq ($(DUMP)$(TARGET_BUILD),)
98 -include $(LINUX_DIR)/.config
99 endif
100
101 define KernelPackage/depends
102 $(STAMP_BUILT): $(LINUX_DIR)/.config
103 define KernelPackage/depends
104 endef
105 endef
106
107 define KernelPackage
108 NAME:=$(1)
109 $(eval $(call Package/Default))
110 $(eval $(call KernelPackage/Defaults))
111 $(eval $(call KernelPackage/$(1)))
112 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
113 $(eval $(call KernelPackage/$(1)/$(BOARD)))
114
115 define Package/kmod-$(1)
116 TITLE:=$(TITLE)
117 SECTION:=kernel
118 CATEGORY:=Kernel modules
119 DESCRIPTION:=$(DESCRIPTION)
120 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
121 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
122 $(call KernelPackage/$(1))
123 $(call KernelPackage/$(1)/$(KERNEL))
124 $(call KernelPackage/$(1)/$(BOARD))
125 endef
126
127 ifdef KernelPackage/$(1)/description
128 define Package/kmod-$(1)/description
129 $(call KernelPackage/$(1)/description)
130 endef
131 endif
132
133 ifdef KernelPackage/$(1)/config
134 define Package/kmod-$(1)/config
135 $(call KernelPackage/$(1)/config)
136 endef
137 endif
138
139 $(call KernelPackage/depends)
140
141 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
142 ifneq ($(strip $(FILES)),)
143 define Package/kmod-$(1)/install
144 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
145 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
146 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
147 $(call KernelPackage/$(1)/install,$$(1))
148 endef
149 endif
150 $(if $(CONFIG_PACKAGE_kmod-$(1)),
151 else
152 compile: kmod-$(1)-unavailable
153 kmod-$(1)-unavailable:
154 @echo "WARNING: kmod-$(1) is not available in the kernel config"
155 )
156 endif
157 $$(eval $$(call BuildPackage,kmod-$(1)))
158
159 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
160 endef
161
162 define AutoLoad
163 add_module "$(1)" "$(2)" "$(3)";
164 endef
165
166 ifdef DUMP
167 CompareKernelPatchVer=0
168 else
169 define CompareKernelPatchVer
170 $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
171 endef
172 endif
173