2 # Copyright (C) 2006-2011 OpenWrt.org
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
8 ifeq ($(__target_inc),)
9 include $(INCLUDE_DIR)/target.mk
15 LINUX_VERSION?=<LINUX_VERSION>
16 LINUX_VERMAGIC?=<LINUX_VERMAGIC>
18 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
19 export GCC_HONOUR_COPTS=s
24 ifneq (,$(findstring uml,$(BOARD)))
28 KERNEL_CC?=$(TARGET_CC)
29 KERNEL_CROSS?=$(TARGET_CROSS)
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)")
36 KERNEL_BUILD_DIR ?= $(BUILD_DIR)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))
37 LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
38 ifeq ($(strip $(call CompareKernelPatchVer,$(KERNEL_PATCHVER),ge,3.7.0)),1)
41 LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
42 LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
44 LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
45 ifneq ($(findstring -rc,$(LINUX_VERSION)),)
46 LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
49 MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
50 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
52 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
54 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.xz
55 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
56 ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
57 LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING)
60 ifneq ($(TARGET_BUILD),1)
61 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
65 ifneq (,$(findstring uml,$(BOARD)))
67 else ifneq (,$(findstring $(ARCH), aarch64 aarch64_be))
69 else ifneq (,$(findstring $(ARCH), armeb))
71 else ifneq (,$(findstring $(ARCH), mipsel mips64 mips64el))
73 else ifneq (,$(findstring $(ARCH), sh2 sh3 sh4))
75 else ifneq (,$(findstring $(ARCH), i386 x86_64))
78 LINUX_KARCH := $(ARCH)
81 define KernelPackage/Defaults
93 for mod in $$$$$$$$mods; do \
94 mkdir -p $(2)/etc/modules.d; \
95 echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$(1); \
97 if [ -e $(2)/etc/modules.d/$(1) ]; then \
98 if [ "$$$$$$$$boot" = "1" ]; then \
99 mkdir -p $(2)/etc/modules-boot.d; \
100 ln -s ../modules.d/$(1) $(2)/etc/modules-boot.d/; \
102 modules="$$$$$$$${modules:+$$$$$$$$modules}"; \
106 priority="$$$$$$$$1"; \
110 for mod in $$$$$$$$mods; do \
111 mkdir -p $(2)/etc/modules.d; \
112 echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
114 if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
115 if [ "$$$$$$$$boot" = "1" ]; then \
116 mkdir -p $(2)/etc/modules-boot.d; \
117 ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
119 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
123 if [ -n "$$$$$$$$modules" ]; then \
124 mkdir -p $(2)/etc/modules.d; \
125 mkdir -p $(2)/CONTROL; \
126 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
127 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
128 echo ". /lib/functions.sh" >> $(2)/CONTROL/postinst; \
129 echo "insert_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
130 chmod 0755 $(2)/CONTROL/postinst; \
134 ifeq ($(DUMP)$(TARGET_BUILD),)
135 -include $(LINUX_DIR)/.config
138 define KernelPackage/depends
139 $(STAMP_BUILT): $(LINUX_DIR)/.config
140 define KernelPackage/depends
146 $(eval $(call Package/Default))
147 $(eval $(call KernelPackage/Defaults))
148 $(eval $(call KernelPackage/$(1)))
149 $(eval $(call KernelPackage/$(1)/$(BOARD)))
151 define Package/kmod-$(1)
154 CATEGORY:=Kernel modules
155 DESCRIPTION:=$(DESCRIPTION)
156 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
157 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
158 $(call KernelPackage/$(1))
159 $(call KernelPackage/$(1)/$(BOARD))
162 ifdef KernelPackage/$(1)/description
163 define Package/kmod-$(1)/description
164 $(call KernelPackage/$(1)/description)
168 ifdef KernelPackage/$(1)/config
169 define Package/kmod-$(1)/config
170 $(call KernelPackage/$(1)/config)
174 $(call KernelPackage/depends)
176 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
177 ifneq ($(if $(SDK),$(filter-out $(LINUX_DIR)/%.ko,$(FILES)),$(strip $(FILES))),)
178 define Package/kmod-$(1)/install
179 @for mod in $$(FILES); do \
180 if [ -e $$$$$$$$mod ]; then \
181 mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
182 $(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
183 elif [ -e "$(LINUX_DIR)/modules.builtin" ]; then \
184 if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
185 echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
187 echo "ERROR: module '$$$$$$$$mod' is missing." >&2; \
191 echo "WARNING: module '$$$$$$$$mod' missing and modules.builtin not available, assuming built-in." >&2; \
194 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
195 $(call KernelPackage/$(1)/install,$$(1))
198 $(if $(CONFIG_PACKAGE_kmod-$(1)),
200 compile: $(1)-disabled
202 @echo "WARNING: kmod-$(1) is not available in the kernel config - generating empty package" >&2
204 define Package/kmod-$(1)/install
209 $$(eval $$(call BuildPackage,kmod-$(1)))
211 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
215 add_module "$(1)" "$(2)" "$(3)";
219 probe_module "$(1)" "$(2)";
222 version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
223 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)) ))
228 kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
231 CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
233 kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
234 kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
235 kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
236 kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
237 kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))