X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/a1b10a937911205c5239bc98a057c0a88523b66a..a0accd105e104b94d6d6aab243040da02fee4167:/include/kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index db02ea216..a9a350bb2 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -4,92 +4,156 @@
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
+
+ifeq ($(__target_inc),)
+  include $(INCLUDE_DIR)/target.mk
+endif
+
 ifeq ($(DUMP),1)
-  KERNEL:=<KERNEL>
-  BOARD:=<BOARD>
-  LINUX_VERSION:=<LINUX_VERSION>
+  KERNEL?=<KERNEL>
+  BOARD?=<BOARD>
+  LINUX_VERSION?=<LINUX_VERSION>
 else
--include $(TOPDIR)/.kernel.mk
+  export GCC_HONOUR_COPTS=s
 
-ifneq (,$(findstring 2.4.,$(LINUX_VERSION)))
-KERNEL:=2.4
-LINUX_KMOD_SUFFIX=o
-endif
-ifneq (,$(findstring 2.6.,$(LINUX_VERSION)))
-KERNEL:=2.6
-LINUX_KMOD_SUFFIX=ko
-endif
+  ifeq ($(KERNEL),2.6)
+    LINUX_KMOD_SUFFIX=ko
+  else
+    LINUX_KMOD_SUFFIX=o
+  endif
+
+  ifneq (,$(findstring uml,$(BOARD)))
+    KERNEL_CC?=$(HOSTCC)
+    KERNEL_CROSS?=
+  else
+    KERNEL_CC?=$(TARGET_CC)
+    KERNEL_CROSS?=$(TARGET_CROSS)
+  endif
+
+  PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
+  FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
-LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
-	-e 's/mipsel/mips/' \
-	-e 's/mipseb/mips/' \
-	-e 's/powerpc/ppc/' \
-	-e 's/sh[234]/sh/' \
-	-e 's/armeb/arm/' \
-)
+  MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
+  TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
+
+  LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
+
+  LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
+  TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
+  LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \
+
+  ifneq ($(TARGET_BUILD),1)
+    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+  endif
+endif
 
 ifneq (,$(findstring uml,$(BOARD)))
   LINUX_KARCH:=um
-  KERNEL_CC:=$(HOSTCC)
-  KERNEL_CROSS:=
 else
-  KERNEL_CC:=$(TARGET_CC)
-  KERNEL_CROSS:=$(TARGET_CROSS)
+  ifeq (,$(LINUX_KARCH))
+    LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
+	  -e 's/mipsel/mips/' \
+	  -e 's/mipseb/mips/' \
+	  -e 's/sh[234]/sh/' \
+	  -e 's/armeb/arm/' \
+    )
+  endif
 endif
 
-KERNEL_BUILD_DIR:=$(BUILD_DIR)/linux-$(KERNEL)-$(BOARD)
-LINUX_DIR := $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
-MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
-MODULES_DIR := $(KERNEL_BUILD_DIR)/modules/$(MODULES_SUBDIR)
-TARGET_MODULES_DIR := $(LINUX_TARGET_DIR)/$(MODULES_SUBDIR)
-KMOD_BUILD_DIR := $(KERNEL_BUILD_DIR)/linux-modules
+define KernelPackage/Defaults
+  FILES:=
+  AUTOLOAD:=
+endef
 
-LINUX_KERNEL:=$(KERNEL_BUILD_DIR)/vmlinux
-endif
+define ModuleAutoLoad
+	export modules=; \
+	add_module() { \
+		mkdir -p $(2)/etc/modules.d; \
+		( \
+			for mod in $$$$$$$$2; do \
+				getvar mod; \
+			done \
+		) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
+		modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
+	}; \
+	$(3) \
+	if [ -n "$$$$$$$$modules" ]; then \
+		mkdir -p $(2)/etc/modules.d; \
+		echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
+		echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
+		echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
+		echo "load_modules $$$$$$$$modules" >> $(2)/CONTROL/postinst; \
+		chmod 0755 $(2)/CONTROL/postinst; \
+	fi
+endef
 
-# FIXME: remove this crap
-define KMOD_template
-ifeq ($$(strip $(4)),)
-KDEPEND_$(1):=m
-else
-KDEPEND_$(1):=$($(4))
+ifeq ($(DUMP)$(TARGET_BUILD),)
+  -include $(LINUX_DIR)/.config
 endif
 
-IDEPEND_$(1):=kernel ($(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)) $(foreach pkg,$(5),", $(pkg)")
+define KernelPackage
+  NAME:=$(1)
+  $(eval $(call Package/Default))
+  $(eval $(call KernelPackage/Defaults))
+  $(eval $(call KernelPackage/$(1)))
+  $(eval $(call KernelPackage/$(1)/$(KERNEL)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
 
-PKG_$(1) := $(PACKAGE_DIR)/kmod-$(2)_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
-I_$(1) := $(KMOD_BUILD_DIR)/ipkg/$(2)
+  define Package/kmod-$(1)
+    TITLE:=$(TITLE)
+    SECTION:=kernel
+    CATEGORY:=Kernel modules
+    DESCRIPTION:=$(DESCRIPTION)
+    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE))
+    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(BOARD)-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
+    $(call KernelPackage/$(1))
+    $(call KernelPackage/$(1)/$(KERNEL))
+    $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
+  endef
 
-ifeq ($$(KDEPEND_$(1)),m)
-ifneq ($$(CONFIG_PACKAGE_KMOD_$(1)),)
-TARGETS += $$(PKG_$(1))
-endif
-ifeq ($$(CONFIG_PACKAGE_KMOD_$(1)),y)
-INSTALL_TARGETS += $$(PKG_$(1))
-endif
-endif
+  ifdef KernelPackage/$(1)/description
+    define Package/kmod-$(1)/description
+$(call KernelPackage/$(1)/description)
+    endef
+  endif
 
-$$(PKG_$(1)): $(LINUX_DIR)/.modules_done
-	rm -rf $$(I_$(1))
-	$(SCRIPT_DIR)/make-ipkg-dir.sh $$(I_$(1)) ../control/kmod-$(2).control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
-	echo "Depends: $$(IDEPEND_$(1))" >> $$(I_$(1))/CONTROL/control
-ifneq ($(strip $(3)),)
-	mkdir -p $$(I_$(1))/lib/modules/$(LINUX_VERSION)
-	$(CP) $(3) $$(I_$(1))/lib/modules/$(LINUX_VERSION)
-endif
-ifneq ($(6),)
-	mkdir -p $$(I_$(1))/etc/modules.d
-	for module in $(7); do \
-		echo $$$$module >> $$(I_$(1))/etc/modules.d/$(6)-$(2); \
-	done
-	echo "#!/bin/sh" >> $$(I_$(1))/CONTROL/postinst
-	echo "[ -z \"\$$$$IPKG_INSTROOT\" ] || exit" >> $$(I_$(1))/CONTROL/postinst
-	echo ". /etc/functions.sh" >> $$(I_$(1))/CONTROL/postinst
-	echo "load_modules /etc/modules.d/$(6)-$(2)" >> $$(I_$(1))/CONTROL/postinst
-	chmod 0755 $$(I_$(1))/CONTROL/postinst
-endif
-	$(8)
-	$(IPKG_BUILD) $$(I_$(1)) $(PACKAGE_DIR)
+  ifdef KernelPackage/$(1)/config
+    define Package/kmod-$(1)/config
+$(call KernelPackage/$(1)/config)
+    endef
+  endif
+
+  $(STAMP_BUILT): $(LINUX_DIR)/.config
+
+  ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
+    ifneq ($(strip $(FILES)),)
+      define Package/kmod-$(1)/install
+		  mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
+		  $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
+		  $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
+		  $(call KernelPackage/$(1)/install,$$(1))
+      endef
+    endif
+  $(if $(CONFIG_PACKAGE_kmod-$(1)),
+    else
+      compile: kmod-$(1)-unavailable
+      kmod-$(1)-unavailable:
+		@echo "WARNING: kmod-$(1) is not available in the kernel config"
+  )
+  endif
+  $$(eval $$(call BuildPackage,kmod-$(1)))
+
+  $$(IPKG_kmod-$(1)): $$(wildcard $$(FILES))
+endef
+
+define AutoLoad
+  add_module $(1) "$(2)";
+endef
+
+define CompareKernelPatchVer
+  $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
 endef