kernel: add missing config options
[openwrt/staging/chunkeey.git] / include / kernel.mk
1 #
2 # Copyright (C) 2006-2015 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 LINUX_VERMAGIC?=<LINUX_VERMAGIC>
17 else
18 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
19 export GCC_HONOUR_COPTS=s
20 endif
21
22 LINUX_KMOD_SUFFIX=ko
23
24 ifneq (,$(findstring uml,$(BOARD)))
25 KERNEL_CC?=$(HOSTCC)
26 KERNEL_CROSS?=
27 else
28 KERNEL_CC?=$(TARGET_CC)
29 KERNEL_CROSS?=$(TARGET_CROSS)
30 endif
31
32 ifeq ($(TARGET_BUILD),1)
33 PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
34 FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
35 endif
36 KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))
37 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
38 LINUX_UAPI_DIR=uapi/
39 LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
40 LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
41
42 LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
43 ifneq ($(findstring -rc,$(LINUX_VERSION)),)
44 LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
45 endif
46
47 MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
48 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
49
50 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
51
52 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
53 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
54 ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
55 LINUX_SITE:=@KERNEL/linux/kernel/v$(word 1,$(subst ., ,$(KERNEL_BASE))).x$(TESTING)
56 endif
57
58 ifneq ($(TARGET_BUILD),1)
59 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
60 endif
61 endif
62
63 ifneq (,$(findstring uml,$(BOARD)))
64 LINUX_KARCH=um
65 else ifneq (,$(findstring $(ARCH) , aarch64 aarch64_be ))
66 LINUX_KARCH := arm64
67 else ifneq (,$(findstring $(ARCH) , arceb ))
68 LINUX_KARCH := arc
69 else ifneq (,$(findstring $(ARCH) , armeb ))
70 LINUX_KARCH := arm
71 else ifneq (,$(findstring $(ARCH) , mipsel mips64 mips64el ))
72 LINUX_KARCH := mips
73 else ifneq (,$(findstring $(ARCH) , sh2 sh3 sh4 ))
74 LINUX_KARCH := sh
75 else ifneq (,$(findstring $(ARCH) , i386 x86_64 ))
76 LINUX_KARCH := x86
77 else
78 LINUX_KARCH := $(ARCH)
79 endif
80
81 define KernelPackage/Defaults
82 FILES:=
83 AUTOLOAD:=
84 endef
85
86 define ModuleAutoLoad
87 $(SH_FUNC) \
88 export modules=; \
89 probe_module() { \
90 mods="$$$$$$$$1"; \
91 boot="$$$$$$$$2"; \
92 shift 2; \
93 for mod in $(sort $$$$$$$$mods); do \
94 mkdir -p $(2)/etc/modules.d; \
95 echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
96 done; \
97 if [ -e $(2)/etc/modules.d/$(1) ]; then \
98 if [ "$$$$$$$$boot" = "1" ]; then \
99 mkdir -p $(2)/etc/modules-boot.d; \
100 ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
101 fi; \
102 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$mods"; \
103 fi; \
104 }; \
105 add_module() { \
106 priority="$$$$$$$$1"; \
107 mods="$$$$$$$$2"; \
108 boot="$$$$$$$$3"; \
109 shift 3; \
110 for mod in $(sort $$$$$$$$mods); do \
111 mkdir -p $(2)/etc/modules.d; \
112 echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
113 done; \
114 if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
115 if [ "$$$$$$$$boot" = "1" ]; then \
116 mkdir -p $(2)/etc/modules-boot.d; \
117 ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
118 fi; \
119 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
120 fi; \
121 }; \
122 $(3) \
123 if [ -n "$$$$$$$$modules" ]; then \
124 mkdir -p $(2)/etc/modules.d; \
125 mkdir -p $(2)/CONTROL; \
126 echo "#!/bin/sh" > $(2)/CONTROL/postinst-pkg; \
127 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst-pkg; \
128 echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst-pkg; \
129 echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst-pkg; \
130 chmod 0755 $(2)/CONTROL/postinst-pkg; \
131 fi
132 endef
133
134 ifeq ($(DUMP)$(TARGET_BUILD),)
135 -include $(LINUX_DIR)/.config
136 endif
137
138 define KernelPackage/depends
139 $(STAMP_BUILT): $(LINUX_DIR)/.config
140 define KernelPackage/depends
141 endef
142 endef
143
144 define KernelPackage
145 NAME:=$(1)
146 $(eval $(call Package/Default))
147 $(eval $(call KernelPackage/Defaults))
148 $(eval $(call KernelPackage/$(1)))
149 $(eval $(call KernelPackage/$(1)/$(BOARD)))
150
151 define Package/kmod-$(1)
152 TITLE:=$(TITLE)
153 SECTION:=kernel
154 CATEGORY:=Kernel modules
155 DESCRIPTION:=$(DESCRIPTION)
156 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
157 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
158 PACKAGE_SUBDIR:=$(if $(FEED),$(FEED),kernel)
159 $(call KernelPackage/$(1))
160 $(call KernelPackage/$(1)/$(BOARD))
161 endef
162
163 ifdef KernelPackage/$(1)/conffiles
164 define Package/kmod-$(1)/conffiles
165 $(call KernelPackage/$(1)/conffiles)
166 endef
167 endif
168
169 ifdef KernelPackage/$(1)/description
170 define Package/kmod-$(1)/description
171 $(call KernelPackage/$(1)/description)
172 endef
173 endif
174
175 ifdef KernelPackage/$(1)/config
176 define Package/kmod-$(1)/config
177 $(call KernelPackage/$(1)/config)
178 endef
179 endif
180
181 $(call KernelPackage/depends)
182
183 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
184 ifneq ($(strip $(FILES)),)
185 define Package/kmod-$(1)/install
186 @for mod in $$(call version_filter,$$(FILES)); do \
187 if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
188 echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
189 elif [ -e $$$$$$$$mod ]; then \
190 mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
191 $(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
192 else \
193 echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \
194 exit 1; \
195 fi; \
196 done;
197 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
198 $(call KernelPackage/$(1)/install,$$(1))
199 endef
200 endif
201 $(if $(CONFIG_PACKAGE_kmod-$(1)),
202 else
203 compile: $(1)-disabled
204 $(1)-disabled:
205 @echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
206
207 define Package/kmod-$(1)/install
208 true
209 endef
210 )
211 endif
212 $$(eval $$(call BuildPackage,kmod-$(1)))
213
214 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
215 endef
216
217 version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
218
219 define AutoLoad
220 add_module "$(1)" "$(call version_filter,$(2))" "$(3)";
221 endef
222
223 define AutoProbe
224 probe_module "$(call version_filter,$(1))" "$(2)";
225 endef
226
227 version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
228 kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
229
230 ifdef DUMP
231 kernel_version_cmp=
232 else
233 kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
234 endif
235
236 CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
237
238 kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
239 kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
240 kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
241 kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
242 kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
243