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add md5sum for linux-3.3
[openwrt.git] / include / kernel.mk
diff --git a/include/kernel.mk b/include/kernel.mk
index 817555c..c0d8ef8 100644 (file)
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -1,54 +1,76 @@
 # 
 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2006-2011 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
 #
 # 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>
 ifeq ($(DUMP),1)
   KERNEL?=<KERNEL>
   BOARD?=<BOARD>
   LINUX_VERSION?=<LINUX_VERSION>
+  LINUX_VERMAGIC?=<LINUX_VERMAGIC>
 else
 else
-  include $(INCLUDE_DIR)/target.mk
-
-  export GCC_HONOUR_COPTS=s
-
-  ifeq ($(KERNEL),2.6)
-    LINUX_KMOD_SUFFIX=ko
-  else
-    LINUX_KMOD_SUFFIX=o
+  ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+    export GCC_HONOUR_COPTS=s
   endif
 
   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)-$(KERNEL)
-  PATCH_DIR ?= ./patches$(shell [ -d "./patches-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-  KERNEL_BUILD_DIR ?= $(BUILD_DIR_BASE)/linux-$(KERNEL)-$(BOARD)$(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)
 
   LINUX_DIR ?= $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)
 
-  MODULES_SUBDIR:=lib/modules/$(LINUX_VERSION)
+  LINUX_VERMAGIC:=$(strip $(shell cat $(LINUX_DIR)/.vermagic 2>/dev/null))
+  LINUX_VERMAGIC:=$(if $(LINUX_VERMAGIC),$(LINUX_VERMAGIC),unknown)
+
+  LINUX_UNAME_VERSION:=$(if $(word 3,$(subst ., ,$(KERNEL_BASE))),$(KERNEL_BASE),$(KERNEL_BASE).0)
+  ifneq ($(findstring -rc,$(LINUX_VERSION)),)
+    LINUX_UNAME_VERSION:=$(LINUX_UNAME_VERSION)-$(strip $(lastword $(subst -, ,$(LINUX_VERSION))))
+  endif
+
+  MODULES_SUBDIR:=lib/modules/$(LINUX_UNAME_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,)
   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:=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING) \
-           http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)$(TESTING)
+  ifeq ($(call qstrip,$(CONFIG_EXTERNAL_KERNEL_TREE))$(call qstrip,$(CONFIG_KERNEL_GIT_CLONE_URI)),)
+    ifeq ($(word 1,$(subst ., ,$(KERNEL_BASE))),3)
+      LINUX_SITE:=@KERNEL/linux/kernel/v3.x$(TESTING)
+    else
+      LINUX_SITE:=@KERNEL/linux/kernel/v$(KERNEL)$(TESTING)
+    endif
+  endif
 
 
-  PKG_BUILD_DIR ?= $(KERNEL_BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)
+  ifneq ($(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
+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
@@ -57,19 +79,31 @@ define KernelPackage/Defaults
 endef
 
 define ModuleAutoLoad
 endef
 
 define ModuleAutoLoad
+       $(SH_FUNC) \
        export modules=; \
        add_module() { \
        export modules=; \
        add_module() { \
-               mkdir -p $(2)/etc/modules.d; \
-               ( \
-                       for mod in $$$$$$$$2; do \
-                               getvar mod; \
-                       done \
-               ) > $(2)/etc/modules.d/$$$$$$$$1-$(1); \
-               modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$1-$(1)"; \
+               priority="$$$$$$$$1"; \
+               mods="$$$$$$$$2"; \
+               boot="$$$$$$$$3"; \
+               shift 3; \
+               for mod in $$$$$$$$mods; do \
+                       if [ -e $(2)/$(MODULES_SUBDIR)/$$$$$$$$mod.ko ]; then \
+                               mkdir -p $(2)/etc/modules.d; \
+                               echo "$$$$$$$$mod" >> $(2)/etc/modules.d/$$$$$$$$priority-$(1); \
+                       fi; \
+               done; \
+               if [ -e $(2)/etc/modules.d/$$$$$$$$priority-$(1) ]; then \
+                       if [ "$$$$$$$$boot" = "1" ]; then \
+                               mkdir -p $(2)/etc/modules-boot.d; \
+                               ln -s ../modules.d/$$$$$$$$priority-$(1) $(2)/etc/modules-boot.d/; \
+                       fi; \
+                       modules="$$$$$$$${modules:+$$$$$$$$modules }$$$$$$$$priority-$(1)"; \
+               fi; \
        }; \
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
                mkdir -p $(2)/etc/modules.d; \
        }; \
        $(3) \
        if [ -n "$$$$$$$$modules" ]; then \
                mkdir -p $(2)/etc/modules.d; \
+               mkdir -p $(2)/CONTROL; \
                echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
                echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
                echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
                echo "#!/bin/sh" > $(2)/CONTROL/postinst; \
                echo "[ -z \"\$$$$$$$$IPKG_INSTROOT\" ] || exit 0" >> $(2)/CONTROL/postinst; \
                echo ". /etc/functions.sh" >> $(2)/CONTROL/postinst; \
@@ -77,25 +111,33 @@ 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)
   $(eval $(call Package/Default))
   $(eval $(call KernelPackage/Defaults))
   $(eval $(call KernelPackage/$(1)))
 
 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)))
+  $(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))
+    EXTRA_DEPENDS:=kernel (=$(LINUX_VERSION)-$(LINUX_RELEASE)-$(LINUX_VERMAGIC))
+    VERSION:=$(LINUX_VERSION)$(if $(PKG_VERSION),+$(PKG_VERSION))-$(if $(PKG_RELEASE),$(PKG_RELEASE),$(LINUX_RELEASE))
     $(call KernelPackage/$(1))
     $(call KernelPackage/$(1))
-    $(call KernelPackage/$(1)/$(KERNEL))
-    $(call KernelPackage/$(1)/$(BOARD)-$(KERNEL))
+    $(call KernelPackage/$(1)/$(BOARD))
   endef
 
   ifdef KernelPackage/$(1)/description
   endef
 
   ifdef KernelPackage/$(1)/description
@@ -104,15 +146,42 @@ $(call KernelPackage/$(1)/description)
     endef
   endif
 
     endef
   endif
 
-  ifneq ($(if $(KCONFIG),$(filter m,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
+  ifdef KernelPackage/$(1)/config
+    define Package/kmod-$(1)/config
+$(call KernelPackage/$(1)/config)
+    endef
+  endif
+
+  $(call KernelPackage/depends)
+
+  ifneq ($(if $(filter-out %=y %=n %=m,$(KCONFIG)),$(filter m y,$(foreach c,$(filter-out %=y %=n %=m,$(KCONFIG)),$($(c)))),.),)
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
     ifneq ($(strip $(FILES)),)
       define Package/kmod-$(1)/install
-                 mkdir -p $$(1)/lib/modules/$(LINUX_VERSION)
-                 $(CP) -L $$(FILES) $$(1)/lib/modules/$(LINUX_VERSION)/
+                 @for mod in $$(FILES); do \
+                       if [ -e $$$$$$$$mod ]; then \
+                               mkdir -p $$(1)/$(MODULES_SUBDIR) ; \
+                               $(CP) -L $$$$$$$$mod $$(1)/$(MODULES_SUBDIR)/ ; \
+                       elif [ -e "$(LINUX_DIR)/modules.builtin" ]; then \
+                               if grep -q "$$$$$$$${mod##$(LINUX_DIR)/}" "$(LINUX_DIR)/modules.builtin"; then \
+                                       echo "NOTICE: module '$$$$$$$$mod' is built-in."; \
+                               else \
+                                       echo "ERROR: module '$$$$$$$$mod' is missing."; \
+                                       exit 1; \
+                               fi; \
+                       else \
+                               echo "WARNING: module '$$$$$$$$mod' missing and modules.builtin not available, assuming built-in."; \
+                       fi; \
+                 done;
                  $(call ModuleAutoLoad,$(1),$$(1),$(AUTOLOAD))
                  $(call KernelPackage/$(1)/install,$$(1))
       endef
     endif
                  $(call ModuleAutoLoad,$(1),$$(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)))
 
   endif
   $$(eval $$(call BuildPackage,kmod-$(1)))
 
@@ -120,6 +189,23 @@ $(call KernelPackage/$(1)/description)
 endef
 
 define AutoLoad
 endef
 
 define AutoLoad
-  add_module $(1) "$(2)";
+  add_module "$(1)" "$(2)" "$(3)";
 endef
 
 endef
 
+version_field=$(if $(word $(1),$(2)),$(word $(1),$(2)),0)
+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)) ))
+
+ifdef DUMP
+  kernel_version_cmp=
+else
+  kernel_version_cmp=$(shell [ $(call kernel_version_merge,$(call split_version,$(2))) $(1) $(call kernel_version_merge,$(call split_version,$(3))) ] && echo 1 )
+endif
+
+CompareKernelPatchVer=$(if $(call kernel_version_cmp,-$(2),$(1),$(3)),1,0)
+
+kernel_patchver_gt=$(call kernel_version_cmp,-gt,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_ge=$(call kernel_version_cmp,-ge,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_eq=$(call kernel_version_cmp,-eq,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_le=$(call kernel_version_cmp,-le,$(KERNEL_PATCHVER),$(1))
+kernel_patchver_lt=$(call kernel_version_cmp,-lt,$(KERNEL_PATCHVER),$(1))
+
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