X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/4c98f8465d7b207b150b3c67705e35297d7804be..d313d6dbc3d9b248cffb07b55d75f538457da896:/include/kernel-build.mk

diff --git a/include/kernel-build.mk b/include/kernel-build.mk
index 0697b79a5..0d1965a01 100644
--- a/include/kernel-build.mk
+++ b/include/kernel-build.mk
@@ -4,13 +4,41 @@
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
+KERNEL_BUILD:=1
+
+include $(INCLUDE_DIR)/prereq.mk
+
+-include ./config
+ifneq ($(CONFIG_ATM),)
+  FEATURES += atm
+endif
+ifneq ($(CONFIG_PCI),)
+  FEATURES += pci
+endif
+ifneq ($(CONFIG_USB),)
+  FEATURES += usb
+endif
+ifneq ($(CONFIG_PCMCIA),)
+  FEATURES += pcmcia
+endif
+
+# remove duplicates
+FEATURES:=$(sort $(FEATURES))
+
+# For target profile selection - the default set
+DEFAULT_PACKAGES:=base-files libgcc uclibc bridge busybox dnsmasq dropbear iptables mtd ppp ppp-mod-pppoe mtd
+
+ifeq ($(DUMP),1)
+  all: dumpinfo
+else
+  all: compile
+endif
+KERNEL:=2.$(word 2,$(subst ., ,$(strip $(LINUX_VERSION))))
+
 include $(INCLUDE_DIR)/host.mk
+include $(INCLUDE_DIR)/kernel.mk
 
-LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
-LINUX_SITE=http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
-           http://www.us.kernel.org/pub/linux/kernel/v$(KERNEL) \
-           http://www.kernel.org/pub/linux/kernel/v$(KERNEL) \
-           http://www.de.kernel.org/pub/linux/kernel/v$(KERNEL)
+LINUX_CONFIG:=./config
 
 ifneq (,$(findstring uml,$(BOARD)))
   LINUX_KARCH:=um
@@ -33,97 +61,170 @@ ifneq (,$(findstring ppc,$(BOARD)))
 endif
 
 
-$(DL_DIR)/$(LINUX_SOURCE):
-	-mkdir -p $(DL_DIR)
-	$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
-
-$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
-	-mkdir -p $(KERNEL_BUILD_DIR)
+define Kernel/Prepare/Default
 	bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(KERNEL_BUILD_DIR) $(TAR_OPTIONS)
-	touch $@
-
-ifeq ($(KERNEL),2.4)
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
+	[ -d ../generic-$(KERNEL)/patches ] && $(PATCH) $(LINUX_DIR) ../generic-$(KERNEL)/patches 
+	[ -d ./patches ] && $(PATCH) $(LINUX_DIR) ./patches
+endef
+define Kernel/Prepare
+	$(call Kernel/Prepare/Default)
+endef
+
+KERNEL_MAKEOPTS := -C $(LINUX_DIR) \
+	CROSS_COMPILE="$(KERNEL_CROSS)" \
+	ARCH="$(LINUX_KARCH)" \
+	CONFIG_SHELL="$(BASH)"
+
+define Kernel/Configure/2.4
 	$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
-	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig include/linux/compile.h include/linux/version.h
-	touch $@
-
-$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
-	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep
-	touch $@
-
-$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
-else
-$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
-	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) oldconfig prepare scripts
-	touch $@
-endif
-
-ramdisk-config: $(LINUX_DIR)/.configured FORCE
-	mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
-	grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
-ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
-	echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
-	echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
-	echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
-	mkdir -p $(BUILD_DIR)/root/etc/init.d
-	$(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
-else
-	rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
-	echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+	$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig include/linux/compile.h include/linux/version.h
+	$(MAKE) $(KERNEL_MAKEOPTS) dep
+endef
+define Kernel/Configure/2.6
+	$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" oldconfig prepare scripts
+endef
+define Kernel/Configure/Default
+	@$(CP) $(LINUX_CONFIG) $(LINUX_DIR)/.config
+	$(call Kernel/Configure/$(KERNEL))
+endef
+define Kernel/Configure
+	$(call Kernel/Configure/Default)
+endef
+
+
+define Kernel/CompileModules/Default
+	$(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" modules
+	$(MAKE) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
+endef
+define Kernel/CompileModules
+	$(call Kernel/CompileModules/Default)
+endef
+
+
+ifeq ($(KERNEL),2.6)
+  ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
+    define Kernel/SetInitramfs
+		mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+		grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+		echo 'CONFIG_INITRAMFS_SOURCE="../../root"' >> $(LINUX_DIR)/.config
+		echo 'CONFIG_INITRAMFS_ROOT_UID=0' >> $(LINUX_DIR)/.config
+		echo 'CONFIG_INITRAMFS_ROOT_GID=0' >> $(LINUX_DIR)/.config
+		mkdir -p $(BUILD_DIR)/root/etc/init.d
+		$(CP) ../generic-2.6/files/init $(BUILD_DIR)/root/
+    endef
+  else
+    define Kernel/SetInitramfs
+		mv $(LINUX_DIR)/.config $(LINUX_DIR)/.config.old
+		grep -v INITRAMFS $(LINUX_DIR)/.config.old > $(LINUX_DIR)/.config
+		rm -f $(BUILD_DIR)/root/init $(BUILD_DIR)/root/etc/init.d/S00initramfs
+		echo 'CONFIG_INITRAMFS_SOURCE=""' >> $(LINUX_DIR)/.config
+    endef
+  endif
 endif
+define Kernel/CompileImage/Default
+	$(call Kernel/SetInitramfs)
+	$(MAKE) -j$(CONFIG_JLEVEL) $(KERNEL_MAKEOPTS) CC="$(KERNEL_CC)" $(KERNELNAME)
+	$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $(LINUX_DIR)/vmlinux $(LINUX_KERNEL)
+endef
+define Kernel/CompileImage
+	$(call Kernel/CompileImage/Default)
+endef
+
+define Kernel/Clean/Default
+	rm -f $(LINUX_DIR)/.linux-compile
+	rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.configured
+	rm -f $(LINUX_KERNEL)
+	$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
+endef
 
-$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.linux-compile ramdisk-config
-	$(MAKE) -j$(CONFIG_JLEVEL) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) $(KERNELNAME)
+define Kernel/Clean
+	$(call Kernel/Clean/Default)
+endef
 
-$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
-	$(KERNEL_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@
-	touch -c $(LINUX_KERNEL)
+define BuildKernel
+  ifneq ($(LINUX_SITE),)
+    $(DL_DIR)/$(LINUX_SOURCE):
+		-mkdir -p $(DL_DIR)
+		$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
+  endif
 
-$(LINUX_DIR)/.modules_done:
-	rm -rf $(KERNEL_BUILD_DIR)/modules
-	$(MAKE) -j$(CONFIG_JLEVEL) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) modules
-	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" CC="$(KERNEL_CC)" ARCH=$(LINUX_KARCH) DEPMOD=true INSTALL_MOD_PATH=$(KERNEL_BUILD_DIR)/modules modules_install
-	touch $(LINUX_DIR)/.modules_done
+  $(LINUX_DIR)/.prepared: $(DL_DIR)/$(LINUX_SOURCE)
+	-rm -rf $(KERNEL_BUILD_DIR)
+	-mkdir -p $(KERNEL_BUILD_DIR)
+	$(call Kernel/Prepare)
+	touch $$@
 
-modules: $(LINUX_DIR)/.modules_done
+  $(LINUX_DIR)/.configured: $(LINUX_DIR)/.prepared $(LINUX_CONFIG)
+	$(call Kernel/Configure)
+	touch $$@
 
-$(LINUX_DIR)/.linux-compile:
+  $(LINUX_DIR)/.modules: $(LINUX_DIR)/.configured
+	rm -rf $(KERNEL_BUILD_DIR)/modules
 	@rm -f $(BUILD_DIR)/linux
 	ln -sf $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
-	@$(MAKE) modules
-	touch $@
-
-$(TOPDIR)/.kernel.mk: $(TOPDIR)/target/linux/$(BOARD)-$(KERNEL)/Makefile
-	echo "CONFIG_BOARD:=$(BOARD)" > $@
-	echo "CONFIG_KERNEL:=$(KERNEL)" >> $@
-	echo "CONFIG_LINUX_VERSION:=$(LINUX_VERSION)" >> $@
-	echo "CONFIG_LINUX_RELEASE:=$(LINUX_RELEASE)" >> $@
-	echo "CONFIG_LINUX_KARCH:=$(LINUX_KARCH)" >> $@
+	$(call Kernel/CompileModules)
+	touch $$@
+
+  $(LINUX_DIR)/.image: $(LINUX_DIR)/.configured FORCE
+	$(call Kernel/CompileImage)
+	touch $$@
+	
+  mostlyclean: FORCE
+	$(call Kernel/Clean)
+
+  ifeq ($(DUMP),1)
+    dumpinfo:
+		@echo 'Target: $(BOARD)-$(KERNEL)'
+		@echo 'Target-Name: $(BOARDNAME) [$(KERNEL)]'
+		@echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'
+		@echo 'Target-Arch: $(ARCH)'
+		@echo 'Target-Features: $(FEATURES)'
+		@echo 'Linux-Version: $(LINUX_VERSION)'
+		@echo 'Linux-Release: $(LINUX_RELEASE)'
+		@echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'
+		@echo 'Target-Description:'
+		@getvar $(call shvar,Target/Description)
+		@echo '@@'
+		@echo 'Default-Packages: $(DEFAULT_PACKAGES)'
+    ifneq ($(DUMPINFO),)
+		@$(DUMPINFO)
+    endif
+  endif
+
+  define BuildKernel
+  endef
+endef
+
+define Profile/Default
+  NAME:=
+  PACKAGES:=
+endef
+
+define Profile
+  $(eval $(call Profile/Default))
+  $(eval $(call Profile/$(1)))
+  DUMPINFO += \
+	echo "Target-Profile: $(1)"; \
+	echo "Target-Profile-Name: $(NAME)"; \
+	echo "Target-Profile-Packages: $(PACKAGES)"; 
+endef
+
+$(eval $(call shexport,Target/Description))
 
 download: $(DL_DIR)/$(LINUX_SOURCE)
-prepare: $(LINUX_DIR)/.configured
-	@mkdir -p $(LINUX_DIR)
-
-compile: prepare $(LINUX_DIR)/.linux-compile
-
-install: compile $(LINUX_KERNEL)
+prepare: $(LINUX_DIR)/.configured $(TMP_DIR)/.kernel.mk
+compile: $(LINUX_DIR)/.modules
+install: $(LINUX_DIR)/.image
 
-mostlyclean: FORCE
-	rm -f $(LINUX_DIR)/.linux-compile
-	rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
-	rm -f $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
-	$(MAKE) -C $(KERNEL_BUILD_DIR)/linux-$(LINUX_VERSION) clean
-	rm -f $(LINUX_KERNEL)
+clean: FORCE
+	rm -f $(STAMP_DIR)/.linux-compile
+	rm -rf $(KERNEL_BUILD_DIR)
 
 rebuild: FORCE
-	-$(MAKE) mostlyclean
-	if [ -f $(LINUX_KERNEL) ]; then \
+	@$(MAKE) mostlyclean
+	@if [ -f $(LINUX_KERNEL) ]; then \
 		$(MAKE) clean; \
 	fi
-	$(MAKE) compile $(MAKE_TRACE)
+	@$(MAKE) compile
 
-clean: FORCE
-	rm -f $(STAMP_DIR)/.linux-compile
-	rm -rf $(KERNEL_BUILD_DIR)