2 # Copyright (C) 2006 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 $(INCLUDE_DIR)/target.mk
15 LINUX_VERSION?=<LINUX_VERSION>
17 export GCC_HONOUR_COPTS=s
21 ifneq (,$(findstring uml,$(BOARD)))
25 KERNEL_CC?=$(TARGET_CC)
26 KERNEL_CROSS?=$(TARGET_CROSS)
29 ifeq ($(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)")
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)
36 LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
37 ifneq ($(findstring -rc,$(LINUX_VERSION)),)
38 LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
41 MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_VERSION)
42 TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
44 LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
46 LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
47 TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
48 ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
49 LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
52 ifneq ($(TARGET_BUILD),1)
53 PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
57 ifneq (,$(findstring uml,$(BOARD)))
60 ifeq (,$(LINUX_KARCH))
61 LINUX_KARCH=$(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))))))))))
66 define KernelPackage/Defaults
75 priority="$$$$$$$$1"; \
79 mkdir -p $(2)/etc/modules.d; \
81 [ "$$$$$$$$boot" = "1" ] && { \
82 echo '# May be required for rootfs' ; \
84 for mod in $$$$$$$$mods; do \
87 ) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
88 modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
91 if [ -n "$$$$$$$$modules" ]; then \
92 mkdir -p $(2)/etc/modules.d; \
93 mkdir -p $(2)/CONTROL; \
94 echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
95 echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
96 echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
97 echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
98 chmod 0755 $(2)/CONTROL/postinst; \
102 ifeq ($(DUMP)$(TARGET_BUILD),)
103 -include $(LINUX_DIR)/.config
106 define KernelPackage/depends
107 $(STAMP_BUILT): $(LINUX_DIR)/.config
108 define KernelPackage/depends
114 $(eval $(call Package/Default))
115 $(eval $(call KernelPackage/Defaults))
116 $(eval $(call KernelPackage/$(1)))
117 $(eval $(call KernelPackage/$(1)/$(BOARD)))
119 define Package/kmod-$(1)
122 CATEGORY:=Kernel modules
123 DESCRIPTION:=$(DESCRIPTION)
124 EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
125 VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
126 $(call KernelPackage/$(1))
127 $(call KernelPackage/$(1)/$(BOARD))
130 ifdef KernelPackage/$(1)/description
131 define Package/kmod-$(1)/description
132 $(call KernelPackage/$(1)/description)
136 ifdef KernelPackage/$(1)/config
137 define Package/kmod-$(1)/config
138 $(call KernelPackage/$(1)/config)
142 $(call KernelPackage/depends)
144 ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
145 ifneq ($(strip $(FILES)),)
146 define Package/kmod-$(1)/install
147 mkdir -p $$(1)/$(MODULES_SUBDIR)
148 $(CP) -L $$(FILES) $$(1)/$(MODULES_SUBDIR)/
149 $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
150 $(call KernelPackage/$(1)/install,$$(1))
153 $(if $(CONFIG_PACKAGE_kmod-$(1)),
155 compile: kmod-$(1)-unavailable
156 kmod-$(1)-unavailable:
157 @echo "WARNING: kmod-$(1) is not available in the kernel config"
160 $$(eval $$(call BuildPackage,kmod-$(1)))
162 $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
166 add_module "$(1)" "$(2)" "$(3)";
169 version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
170 kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) ))
175 kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
178 CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
180 kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
181 kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
182 kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
183 kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
184 kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))