large target/linux cleanup

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2877 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 117 insertions, 0 deletions

diff --git a/target/linux/kernel.mk b/target/linux/kernel.mk
new file mode 100644
index 000000000..74490cf6b
--- /dev/null
+++ b/target/linux/kernel.mk
@@ -0,0 +1,117 @@
+LINUX_SOURCE:=linux-$(LINUX_VERSION).tar.bz2
+LINUX_SITE=http://www.fi.kernel.org/pub/linux/kernel/v$(KERNEL) \
+           http://www.fr.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$(KERNEL)
+
+KERNEL_IPKG:=$(LINUX_BUILD_DIR)/kernel_$(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE)_$(ARCH).ipk
+KERNEL_IDIR:=$(LINUX_BUILD_DIR)/kernel-ipkg
+
+$(TARGETS): $(PACKAGE_DIR)
+
+$(PACKAGE_DIR):
+	mkdir -p $(PACKAGE_DIR)
+	
+$(DL_DIR)/$(LINUX_SOURCE):
+	-mkdir -p $(DL_DIR)
+	$(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE) $(MAKE_TRACE)
+
+$(LINUX_DIR)/.unpacked: $(DL_DIR)/$(LINUX_SOURCE)
+	-mkdir -p $(LINUX_BUILD_DIR)
+	bzcat $(DL_DIR)/$(LINUX_SOURCE) | tar -C $(LINUX_BUILD_DIR) $(TAR_OPTIONS) -
+	rm -f $(BUILD_DIR)/linux
+	ln -s $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
+	touch $@
+
+ifeq ($(KERNEL),2.4)
+$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
+	$(SED) "s,^CROSS_COMPILE.*,CROSS_COMPILE=$(KERNEL_CROSS),g;" \
+	  $(LINUX_DIR)/Makefile  \
+	  $(LINUX_DIR)/arch/*/Makefile
+	$(SED) "s,\-mcpu=,\-mtune=,g;" $(LINUX_DIR)/arch/mips/Makefile
+	$(MAKE) -C $(LINUX_DIR) ARCH=$(LINUX_KARCH) oldconfig include/linux/version.h $(MAKE_TRACE)
+	touch $@
+
+$(LINUX_DIR)/.depend_done: $(LINUX_DIR)/.configured
+	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) dep $(MAKE_TRACE)
+	touch $@
+
+$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.depend_done
+else
+$(LINUX_DIR)/.configured: $(LINUX_DIR)/.patched
+	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) oldconfig $(MAKE_TRACE)
+	touch $@
+endif
+
+$(LINUX_DIR)/vmlinux: $(LINUX_DIR)/.configured
+	$(MAKE) -C $(LINUX_DIR) CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH=$(TARGET_PATH) $(MAKE_TRACE)
+
+$(LINUX_KERNEL): $(LINUX_DIR)/vmlinux
+	$(TARGET_CROSS)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S $< $@ $(MAKE_TRACE)
+	touch -c $(LINUX_KERNEL)
+
+$(LINUX_DIR)/.modules_done: $(LINUX_KERNEL) $(LINUX_IMAGE)
+	rm -rf $(LINUX_BUILD_DIR)/modules
+	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" ARCH=$(LINUX_KARCH) PATH="$(TARGET_PATH)" modules $(MAKE_TRACE)
+	$(MAKE) -C "$(LINUX_DIR)" CROSS_COMPILE="$(KERNEL_CROSS)" DEPMOD=true INSTALL_MOD_PATH=$(LINUX_BUILD_DIR)/modules modules_install $(MAKE_TRACE)
+	touch $(LINUX_DIR)/.modules_done
+
+$(STAGING_DIR)/include/linux/version.h: $(LINUX_DIR)/.configured
+	mkdir -p $(STAGING_DIR)/include
+	tar -ch -C $(LINUX_DIR)/include -f - linux | tar -xf - -C $(STAGING_DIR)/include/
+	tar -ch -C $(LINUX_DIR)/include -f - asm | tar -xf - -C $(STAGING_DIR)/include/
+
+$(STAMP_DIR)/.linux-compile: $(LINUX_DIR)/.modules_done
+	@mkdir -p $(STAMP_DIR)
+	@$(MAKE) $(TARGETS)
+	ln -sf $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) $(BUILD_DIR)/linux
+	@$(TRACE) target/linux/package
+	$(MAKE) -C $(TOPDIR)/target/linux/package \
+		$(KPKG_MAKEOPTS) \
+		compile
+	touch $@
+
+$(TARGET_MODULES_DIR): 
+	-mkdir -p $(TARGET_MODULES_DIR)
+
+$(KERNEL_IPKG):
+	rm -rf $(KERNEL_IDIR)
+	mkdir -p $(KERNEL_IDIR)/etc
+	$(SCRIPT_DIR)/make-ipkg-dir.sh $(KERNEL_IDIR) ../control/kernel.control $(LINUX_VERSION)-$(BOARD)-$(LINUX_RELEASE) $(ARCH)
+	if [ -f ./config/$(BOARD).modules ]; then \
+		cp ./config/$(BOARD).modules $(KERNEL_IDIR)/etc/modules; \
+	fi
+	$(IPKG_BUILD) $(KERNEL_IDIR) $(LINUX_BUILD_DIR) $(MAKE_TRACE)
+
+source: $(DL_DIR)/$(LINUX_SOURCE)
+prepare: $(LINUX_DIR)/.configured
+compile:
+	$(MAKE) $(STAMP_DIR)/.linux-compile $(MAKE_TRACE)
+
+install: compile $(TARGET_MODULES_DIR) $(KERNEL_IPKG)
+	rm -rf $(LINUX_BUILD_DIR)/root*
+	cp -fpR $(BUILD_DIR)/root $(LINUX_BUILD_DIR)/
+	echo -e 'dest root /\noption offline_root $(LINUX_BUILD_DIR)/root' > $(LINUX_BUILD_DIR)/ipkg.conf
+	$(MAKE) -C $(TOPDIR)/target/linux/package \
+		$(KPKG_MAKEOPTS) \
+		install
+	@{ [ "$(INSTALL_TARGETS)" != "" ] && $(IPKG_KERNEL) install $(INSTALL_TARGETS) || true; } $(MAKE_TRACE) 
+
+mostlyclean:
+	rm -f $(STAMP_DIR)/.linux-compile
+	rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.modules_done
+	rm -f $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION)/.drivers-unpacked
+	$(MAKE) -C $(LINUX_BUILD_DIR)/linux-$(LINUX_VERSION) clean $(MAKE_TRACE)
+	rm -f $(LINUX_KERNEL) $(LINUX_IMAGE)
+
+rebuild:
+	-$(MAKE) mostlyclean
+	if [ -f $(LINUX_KERNEL) ]; then \
+		$(MAKE) clean $(MAKE_TRACE); \
+	fi
+	$(MAKE) compile $(MAKE_TRACE)
+
+clean:
+	rm -f $(STAMP_DIR)/.linux-compile
+	rm -rf $(LINUX_BUILD_DIR)
+	rm -f $(TARGETS)