fix acx compile error with VLYNQ support (#7281)
[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 ifeq ($(KERNEL),2.6)
20 LINUX_KMOD_SUFFIX=ko
21 else
22 LINUX_KMOD_SUFFIX=o
23 endif
24
25 ifneq (,$(findstring uml,$(BOARD)))
26 KERNEL_CC?=$(HOSTCC)
27 KERNEL_CROSS?=
28 else
29 KERNEL_CC?=$(TARGET_CC)
30 KERNEL_CROSS?=$(TARGET_CROSS)
31 endif
32
33 ifeq ($(TARGET_BUILD),1)
34 PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
35 FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
36 endif
37 KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
38 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
39
40 MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
41 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
42
43 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
44
45 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
46 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
47 ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
48 LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
49 endif
50
51 ifneq ($(TARGET_BUILD),1)
52 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
53 endif
54 endif
55
56 ifneq (,$(findstring uml,$(BOARD)))
57 LINUX_KARCH=um
58 else
59 ifeq (,$(LINUX_KARCH))
60 LINUX_KARCH=$(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))))))))))
61 endif
62 endif
63
64
65 define KernelPackage/Defaults
66 FILES:=
67 AUTOLOAD:=
68 endef
69
70 define ModuleAutoLoad
71 export modules=; \
72 add_module() { \
73 mkdir -p $(2)/etc/modules.d; \
74 ( \
75 [ "$$$$$$$$3" = "1" ] && { \
76 echo '# May be required for rootfs' ; \
77 } ; \
78 for mod in $$$$$$$$2; do \
79 getvar mod; \
80 done \
81 ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
82 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
83 }; \
84 $(3) \
85 if [ -n "$$$$$$$$modules" ]; then \
86 mkdir -p $(2)/etc/modules.d; \
87 mkdir -p $(2)/CONTROL; \
88 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
89 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
90 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
91 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
92 chmod 0755 $(2)/CONTROL/postinst; \
93 fi
94 endef
95
96 ifeq ($(DUMP)$(TARGET_BUILD),)
97 -include $(LINUX_DIR)/.config
98 endif
99
100 define KernelPackage/depends
101 $(STAMP_BUILT): $(LINUX_DIR)/.config
102 define KernelPackage/depends
103 endef
104 endef
105
106 define KernelPackage
107 NAME:=$(1)
108 $(eval $(call Package/Default))
109 $(eval $(call KernelPackage/Defaults))
110 $(eval $(call KernelPackage/$(1)))
111 $(eval $(call KernelPackage/$(1)/$(KERNEL)))
112 $(eval $(call KernelPackage/$(1)/$(BOARD)))
113
114 define Package/kmod-$(1)
115 TITLE:=$(TITLE)
116 SECTION:=kernel
117 CATEGORY:=Kernel modules
118 DESCRIPTION:=$(DESCRIPTION)
119 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
120 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
121 $(call KernelPackage/$(1))
122 $(call KernelPackage/$(1)/$(KERNEL))
123 $(call KernelPackage/$(1)/$(BOARD))
124 endef
125
126 ifdef KernelPackage/$(1)/description
127 define Package/kmod-$(1)/description
128 $(call KernelPackage/$(1)/description)
129 endef
130 endif
131
132 ifdef KernelPackage/$(1)/config
133 define Package/kmod-$(1)/config
134 $(call KernelPackage/$(1)/config)
135 endef
136 endif
137
138 $(call KernelPackage/depends)
139
140 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
141 ifneq ($(strip $(FILES)),)
142 define Package/kmod-$(1)/install
143 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
144 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
145 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
146 $(call KernelPackage/$(1)/install,$$(1))
147 endef
148 endif
149 $(if $(CONFIG_PACKAGE_kmod-$(1)),
150 else
151 compile: kmod-$(1)-unavailable
152 kmod-$(1)-unavailable:
153 @echo "WARNING: kmod-$(1) is not available in the kernel config"
154 )
155 endif
156 $$(eval $$(call BuildPackage,kmod-$(1)))
157
158 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
159 endef
160
161 define AutoLoad
162 add_module $(1) "$(2)" $(3);
163 endef
164
165 ifdef DUMP
166 CompareKernelPatchVer=0
167 else
168 define CompareKernelPatchVer
169 $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
170 endef
171 endif
172