CC: ar71xx: fix syntax error in /etc/uci-defaults/01_leds
[15.05/openwrt.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 $(ARCH), armeb))
68   LINUX_KARCH := arm
69 else ifneq (,$(findstring $(ARCH), mipsel mips64 mips64el))
70   LINUX_KARCH := mips
71 else ifneq (,$(findstring $(ARCH), sh2 sh3 sh4))
72   LINUX_KARCH := sh
73 else ifneq (,$(findstring $(ARCH), i386 x86_64))
74   LINUX_KARCH := x86
75 else
76   LINUX_KARCH := $(ARCH)
77 endif
78
79 define KernelPackage/Defaults
80   FILES:=
81   AUTOLOAD:=
82 endef
83
84 define ModuleAutoLoad
85         $(SH_FUNC) \
86         export modules=; \
87         probe_module() { \
88                 mods="$$$$$$$$1"; \
89                 boot="$$$$$$$$2"; \
90                 shift 2; \
91                 for mod in $$$$$$$$mods; do \
92                         mkdir -p $(2)/etc/modules.d; \
93                         echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
94                 done; \
95                 if [ -e $(2)/etc/modules.d/$(1) ]; then \
96                         if [ "$$$$$$$$boot" = "1" ]; then \
97                                 mkdir -p $(2)/etc/modules-boot.d; \
98                                 ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
99                         fi; \
100                         modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$mods"; \
101                 fi; \
102         }; \
103         add_module() { \
104                 priority="$$$$$$$$1"; \
105                 mods="$$$$$$$$2"; \
106                 boot="$$$$$$$$3"; \
107                 shift 3; \
108                 for mod in $$$$$$$$mods; do \
109                         mkdir -p $(2)/etc/modules.d; \
110                         echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
111                 done; \
112                 if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
113                         if [ "$$$$$$$$boot" = "1" ]; then \
114                                 mkdir -p $(2)/etc/modules-boot.d; \
115                                 ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
116                         fi; \
117                         modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
118                 fi; \
119         }; \
120         $(3) \
121         if [ -n "$$$$$$$$modules" ]; then \
122                 mkdir -p $(2)/etc/modules.d; \
123                 mkdir -p $(2)/CONTROL; \
124                 echo "#!/bin/sh" > $(2)/CONTROL/postinst-pkg; \
125                 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst-pkg; \
126                 echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst-pkg; \
127                 echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst-pkg; \
128                 chmod 0755 $(2)/CONTROL/postinst-pkg; \
129         fi
130 endef
131
132 ifeq ($(DUMP)$(TARGET_BUILD),)
133   -include $(LINUX_DIR)/.config
134 endif
135
136 define KernelPackage/depends
137   $(STAMP_BUILT): $(LINUX_DIR)/.config
138   define KernelPackage/depends
139   endef
140 endef
141
142 define KernelPackage
143   NAME:=$(1)
144   $(eval $(call Package/Default))
145   $(eval $(call KernelPackage/Defaults))
146   $(eval $(call KernelPackage/$(1)))
147   $(eval $(call KernelPackage/$(1)/$(BOARD)))
148
149   define Package/kmod-$(1)
150     TITLE:=$(TITLE)
151     SECTION:=kernel
152     CATEGORY:=Kernel modules
153     DESCRIPTION:=$(DESCRIPTION)
154     EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
155     VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
156     $(call KernelPackage/$(1))
157     $(call KernelPackage/$(1)/$(BOARD))
158   endef
159
160   ifdef KernelPackage/$(1)/conffiles
161     define Package/kmod-$(1)/conffiles
162 $(call KernelPackage/$(1)/conffiles)
163     endef
164   endif
165
166   ifdef KernelPackage/$(1)/description
167     define Package/kmod-$(1)/description
168 $(call KernelPackage/$(1)/description)
169     endef
170   endif
171
172   ifdef KernelPackage/$(1)/config
173     define Package/kmod-$(1)/config
174 $(call KernelPackage/$(1)/config)
175     endef
176   endif
177
178   $(call KernelPackage/depends)
179
180   ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
181     ifneq ($(if $(SDK),$(filter-out $(LINUX_DIR)/%.ko,$(FILES)),$(strip $(FILES))),)
182       define Package/kmod-$(1)/install
183                   @for mod in $$(call version_filter,$$(FILES)); do \
184                         if [ -e $$$$$$$$mod ]; then \
185                                 mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
186                                 $(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
187                         elif [ -e "$(LINUX_DIR)/modules.builtin" ]; then \
188                                 if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
189                                         echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
190                                 else \
191                                         echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \
192                                         exit 1; \
193                                 fi; \
194                         else \
195                                 echo "WARNING: module '$$$$$$$$mod' missing and modules.builtin not available, assuming built-in." >&2; \
196                         fi; \
197                   done;
198                   $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
199                   $(call KernelPackage/$(1)/install,$$(1))
200       endef
201     endif
202   $(if $(CONFIG_PACKAGE_kmod-$(1)),
203     else
204       compile: $(1)-disabled
205       $(1)-disabled:
206                 @echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
207
208       define Package/kmod-$(1)/install
209                 true
210       endef
211   )
212   endif
213   $$(eval $$(call BuildPackage,kmod-$(1)))
214
215   $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
216 endef
217
218 version_filter=$(if $(findstring @,$(1)),$(shell $(SCRIPT_DIR)/metadata.pl version_filter $(KERNEL_PATCHVER) $(1)),$(1))
219
220 define AutoLoad
221   add_module "$(1)" "$(call version_filter,$(2))" "$(3)";
222 endef
223
224 define AutoProbe
225   probe_module "$(call version_filter,$(1))" "$(2)";
226 endef
227
228 version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
229 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)) ))
230
231 ifdef DUMP
232   kernel_version_cmp=
233 else
234   kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
235 endif
236
237 CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
238
239 kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
240 kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
241 kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
242 kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
243 kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
244