| 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 | LINUX_KMOD_SUFFIX=ko |
| 20 | |
| 21 | ifneq (,$(findstring uml,$(BOARD))) |
| 22 | KERNEL_CC?=$(HOSTCC) |
| 23 | KERNEL_CROSS?= |
| 24 | else |
| 25 | KERNEL_CC?=$(TARGET_CC) |
| 26 | KERNEL_CROSS?=$(TARGET_CROSS) |
| 27 | endif |
| 28 | |
| 29 | ifeq ($(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)") |
| 32 | endif |
| 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) |
| 35 | |
| 36 | MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION) |
| 37 | TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR) |
| 38 | |
| 39 | LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux |
| 40 | |
| 41 | LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2 |
| 42 | TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,) |
| 43 | ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),) |
| 44 | LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) |
| 45 | endif |
| 46 | |
| 47 | ifneq ($(TARGET_BUILD),1) |
| 48 | PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION)) |
| 49 | endif |
| 50 | endif |
| 51 | |
| 52 | ifneq (,$(findstring uml,$(BOARD))) |
| 53 | LINUX_KARCH=um |
| 54 | else |
| 55 | ifeq (,$(LINUX_KARCH)) |
| 56 | LINUX_KARCH=$(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)))))))))) |
| 57 | endif |
| 58 | endif |
| 59 | |
| 60 | |
| 61 | define KernelPackage/Defaults |
| 62 | FILES:= |
| 63 | AUTOLOAD:= |
| 64 | endef |
| 65 | |
| 66 | define ModuleAutoLoad |
| 67 | $(SH_FUNC) \ |
| 68 | export modules=; \ |
| 69 | add_module() { \ |
| 70 | priority="$$$$$$$$1"; \ |
| 71 | mods="$$$$$$$$2"; \ |
| 72 | boot="$$$$$$$$3"; \ |
| 73 | shift 3; \ |
| 74 | mkdir -p $(2)/etc/modules.d; \ |
| 75 | ( \ |
| 76 | [ "$$$$$$$$boot" = "1" ] && { \ |
| 77 | echo '# May be required for rootfs' ; \ |
| 78 | } ; \ |
| 79 | for mod in $$$$$$$$mods; do \ |
| 80 | echo "$$$$$$$$mod"; \ |
| 81 | done \ |
| 82 | ) > $(2)/etc/modules.d/$$$$$$$$priority-$(1); \ |
| 83 | modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \ |
| 84 | }; \ |
| 85 | $(3) \ |
| 86 | if [ -n "$$$$$$$$modules" ]; then \ |
| 87 | mkdir -p $(2)/etc/modules.d; \ |
| 88 | mkdir -p $(2)/CONTROL; \ |
| 89 | echo "#!/bin/sh" > $(2)/CONTROL/postinst; \ |
| 90 | echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \ |
| 91 | echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \ |
| 92 | echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \ |
| 93 | chmod 0755 $(2)/CONTROL/postinst; \ |
| 94 | fi |
| 95 | endef |
| 96 | |
| 97 | ifeq ($(DUMP)$(TARGET_BUILD),) |
| 98 | -include $(LINUX_DIR)/.config |
| 99 | endif |
| 100 | |
| 101 | define KernelPackage/depends |
| 102 | $(STAMP_BUILT): $(LINUX_DIR)/.config |
| 103 | define KernelPackage/depends |
| 104 | endef |
| 105 | endef |
| 106 | |
| 107 | define KernelPackage |
| 108 | NAME:=$(1) |
| 109 | $(eval $(call Package/Default)) |
| 110 | $(eval $(call KernelPackage/Defaults)) |
| 111 | $(eval $(call KernelPackage/$(1))) |
| 112 | $(eval $(call KernelPackage/$(1)/$(BOARD))) |
| 113 | |
| 114 | define Package/kmod-$(1) |
| 115 | TITLE:=$(TITLE) |
| 116 | SECTION:=kernel |
| 117 | CATEGORY:=Kernel modules |
| 118 | DESCRIPTION:=$(DESCRIPTION) |
| 119 | EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)) |
| 120 | VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE)) |
| 121 | $(call KernelPackage/$(1)) |
| 122 | $(call KernelPackage/$(1)/$(BOARD)) |
| 123 | endef |
| 124 | |
| 125 | ifdef KernelPackage/$(1)/description |
| 126 | define Package/kmod-$(1)/description |
| 127 | $(call KernelPackage/$(1)/description) |
| 128 | endef |
| 129 | endif |
| 130 | |
| 131 | ifdef KernelPackage/$(1)/config |
| 132 | define Package/kmod-$(1)/config |
| 133 | $(call KernelPackage/$(1)/config) |
| 134 | endef |
| 135 | endif |
| 136 | |
| 137 | $(call KernelPackage/depends) |
| 138 | |
| 139 | ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),) |
| 140 | ifneq ($(strip $(FILES)),) |
| 141 | define Package/kmod-$(1)/install |
| 142 | mkdir -p $$(1)/lib/modules/$(LINUX_VERSION) |
| 143 | $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/ |
| 144 | $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD)) |
| 145 | $(call KernelPackage/$(1)/install,$$(1)) |
| 146 | endef |
| 147 | endif |
| 148 | $(if $(CONFIG_PACKAGE_kmod-$(1)), |
| 149 | else |
| 150 | compile: kmod-$(1)-unavailable |
| 151 | kmod-$(1)-unavailable: |
| 152 | @echo "WARNING: kmod-$(1) is not available in the kernel config" |
| 153 | ) |
| 154 | endif |
| 155 | $$(eval $$(call BuildPackage,kmod-$(1))) |
| 156 | |
| 157 | $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES)) |
| 158 | endef |
| 159 | |
| 160 | define AutoLoad |
| 161 | add_module "$(1)" "$(2)" "$(3)"; |
| 162 | endef |
| 163 | |
| 164 | version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0) |
| 165 | kernel_version_merge=$$(( ($(call version_field,1,$(1)) << 24) + ($(call version_field,2,$(1)) << 16) + ($(call version_field,3,$(1)) << 8) + $(call version_field,4,$(1)) )) |
| 166 | |
| 167 | ifdef DUMP |
| 168 | kernel_version_cmp= |
| 169 | else |
| 170 | kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 ) |
| 171 | endif |
| 172 | |
| 173 | CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0) |
| 174 | |
| 175 | kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1)) |
| 176 | kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1)) |
| 177 | kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1)) |
| 178 | kernel_patchver_le=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1)) |
| 179 | kernel_patchver_lt=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1)) |
| 180 | |
| 181 | |
