[PATCH v5 4/4] kernel: virtio modules depend on x86_kvm_guest

[openwrt.git] / include / kernel.mk

diff --git a/include/kernel.mk b/include/kernel.mk
index 559b37e..6ef4fd9 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -5,34 +5,32 @@
 # See /LICENSE for more information.
 #
 
 # See /LICENSE for more information.
 #
 

-include $(INCLUDE_DIR)/kernel-version.mk
+ifeq ($(__target_inc),)
+  include $(INCLUDE_DIR)/target.mk
+endif

 
 ifeq ($(DUMP),1)
   KERNEL?=<KERNEL>
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
 else
 
 ifeq ($(DUMP),1)
   KERNEL?=<KERNEL>
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
 else

-  include $(INCLUDE_DIR)/target.mk
-

   export GCC_HONOUR_COPTS=s
 
   export GCC_HONOUR_COPTS=s
 

-  ifeq ($(KERNEL),2.6)
-    LINUX_KMOD_SUFFIX=ko
-  else
-    LINUX_KMOD_SUFFIX=o
-  endif
+  LINUX_KMOD_SUFFIX=ko

 
   ifneq (,$(findstring uml,$(BOARD)))
 
   ifneq (,$(findstring uml,$(BOARD)))

-    KERNEL_CC:=$(HOSTCC)
-    KERNEL_CROSS:=
+    KERNEL_CC?=$(HOSTCC)
+    KERNEL_CROSS?=

   else
   else

-    KERNEL_CC:=$(TARGET_CC)
-    KERNEL_CROSS:=$(TARGET_CROSS)
+    KERNEL_CC?=$(TARGET_CC)
+    KERNEL_CROSS?=$(TARGET_CROSS)

   endif
 
   endif
 

-  PLATFORM_DIR := $(TOPDIR)/target/linux/$(BOARD)
-  PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
+  ifeq ($(TARGET_BUILD),1)
+    PATCH_DIR ?= ./patches$(if $(wildcard ./patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
+    FILES_DIR ?= $(foreach dir,$(wildcard ./files ./files-$(KERNEL_PATCHVER)),"$(dir)")
+  endif
+  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(BOARD)$(if $(SUBTARGET),_$(SUBTARGET))$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))

   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
   MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)


@@ -42,12 +40,22 @@ else
 
   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
   TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)
 
   LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
   TESTING:=$(if $(findstring -rc,$(LINUX_VERSION)),/testing,)

-  LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING) \
+  ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE)),)
+    LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+  endif
+
+  ifneq ($(TARGET_BUILD),1)
+    PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+  endif
+endif

 
 

-  PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)$(if $(PKG_VERSION),-$(PKG_VERSION))
+ifneq (,$(findstring uml,$(BOARD)))
+  LINUX_KARCH=um
+else
+  ifeq (,$(LINUX_KARCH))
+    LINUX_KARCH=$(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))))))))))
+  endif

 endif
 endif

-GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
-GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(shell [ -d "$(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )

 
 
 define KernelPackage/Defaults
 
 
 define KernelPackage/Defaults


@@ -56,10 +64,14 @@ define KernelPackage/Defaults
 endef
 
 define ModuleAutoLoad
 endef
 
 define ModuleAutoLoad

+       $(SH_FUNC) \

        export modules=; \
        add_module() { \
                mkdir -p $(2)/etc/modules.d; \
                ( \
        export modules=; \
        add_module() { \
                mkdir -p $(2)/etc/modules.d; \
                ( \

+                       [ "$$$$$$$$3" = "1" ] && { \
+                               echo '# May be required for rootfs' ; \
+                       } ; \

                        for mod in $$$$$$$$2; do \
                                getvar mod; \
                        done \
                        for mod in $$$$$$$$2; do \
                                getvar mod; \
                        done \


@@ -69,6 +81,7 @@ define ModuleAutoLoad
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
                mkdir -p $(2)/etc/modules.d; \
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
                mkdir -p $(2)/etc/modules.d; \

+               mkdir -p $(2)/CONTROL; \

                echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
                echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
                echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
                echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
                echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
                echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \


@@ -76,7 +89,16 @@ define ModuleAutoLoad
                chmod 0755 $(2)/CONTROL/postinst; \
        fi
 endef
                chmod 0755 $(2)/CONTROL/postinst; \
        fi
 endef

- 
+
+ifeq ($(DUMP)$(TARGET_BUILD),)
+  -include $(LINUX_DIR)/.config
+endif
+
+define KernelPackage/depends
+  $(STAMP_BUILT): $(LINUX_DIR)/.config
+  define KernelPackage/depends
+  endef
+endef

 
 define KernelPackage
   NAME:=$(1)
 
 define KernelPackage
   NAME:=$(1)


@@ -84,18 +106,18 @@ define KernelPackage
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
   $(eval $(call KernelPackage/$(1)/$(KERNEL)))
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
   $(eval $(call KernelPackage/$(1)/$(KERNEL)))

-  $(eval $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL)))
+  $(eval $(call KernelPackage/$(1)/$(BOARD)))

 
   define Package/kmod-$(1)
     TITLE:=$(TITLE)
     SECTION:=kernel
     CATEGORY:=Kernel modules
     DESCRIPTION:=$(DESCRIPTION)
 
   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),$(LINUX_RELEASE))
+    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE))
+    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))

     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(KERNEL))
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1)/$(KERNEL))

-    $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
+    $(call KernelPackage/$(1)/$(BOARD))

   endef
 
   ifdef KernelPackage/$(1)/description
   endef
 
   ifdef KernelPackage/$(1)/description


@@ -104,8 +126,15 @@ $(call KernelPackage/$(1)/description)
     endef
   endif
 
     endef
   endif
 

-  # check that all CONFIG_* symbols in $(KCONFIG) are set to 'm'
-  ifeq ($(filter-out m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$(if $($(c)),$($(c)),n))),)
+  ifdef KernelPackage/$(1)/config
+    define Package/kmod-$(1)/config
+$(call KernelPackage/$(1)/config)
+    endef
+  endif
+
+  $(call KernelPackage/depends)
+
+  ifneq ($(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 $$(1)/lib/modules/$(LINUX_VERSION)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
                  mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)


@@ -114,6 +143,12 @@ $(call KernelPackage/$(1)/description)
                  $(call KernelPackage/$(1)/install,$$(1))
       endef
     endif
                  $(call KernelPackage/$(1)/install,$$(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)))
 
   endif
   $$(eval $$(call BuildPackage,kmod-$(1)))
 


@@ -121,6 +156,14 @@ $(call KernelPackage/$(1)/description)
 endef
 
 define AutoLoad
 endef
 
 define AutoLoad

-  add_module $(1) "$(2)";
+  add_module $(1) "$(2)" $(3);

 endef
 
 endef
 

+ifdef DUMP
+  CompareKernelPatchVer=0
+else
+  define CompareKernelPatchVer
+    $(shell [ $$(echo $(1) | tr . 0) -$(2) $$(echo $(3) | tr . 0) ] && echo 1 || echo 0)
+  endef
+endif
+