image.mk: add Build step combined-image
[openwrt/svn-archive/archive.git] / include / kernel-build.mk
index 282dc96..9abfd54 100644 (file)
@@ -32,6 +32,7 @@ endef
 
 define Kernel/CompileImage
        $(call Kernel/CompileImage/Default)
+       $(call Kernel/CompileImage/Initramfs)
 endef
 
 define Kernel/Clean
@@ -61,35 +62,45 @@ define BuildKernel
   $(if $(QUILT),$(Build/Quilt))
   $(if $(LINUX_SITE),$(call Download,kernel))
 
-  $(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
+  .NOTPARALLEL:
+
+  $(STAMP_PREPARED): $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
        -rm -rf $(KERNEL_BUILD_DIR)
        -mkdir -p $(KERNEL_BUILD_DIR)
        $(Kernel/Prepare)
        touch $$@
 
-  $(KERNEL_BUILD_DIR)/symtab.txt: FORCE
+  $(KERNEL_BUILD_DIR)/symtab.h: FORCE
+       rm -f $(KERNEL_BUILD_DIR)/symtab.h
+       touch $(KERNEL_BUILD_DIR)/symtab.h
+       +$(MAKE) $(KERNEL_MAKEOPTS) vmlinux
        find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
                xargs $(TARGET_CROSS)nm | \
                awk '$$$$1 == "U" { print $$$$2 } ' | \
-               sort -u > $$@
-
-  $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt
+               sort -u > $(KERNEL_BUILD_DIR)/mod_symtab.txt
+       $(TARGET_CROSS)nm -n $(LINUX_DIR)/vmlinux.o | grep ' [rR] __ksymtab' | sed -e 's,........ [rR] __ksymtab_,,' > $(KERNEL_BUILD_DIR)/kernel_symtab.txt
+       grep -Ff $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_include.txt
+       grep -Fvf $(KERNEL_BUILD_DIR)/mod_symtab.txt $(KERNEL_BUILD_DIR)/kernel_symtab.txt > $(KERNEL_BUILD_DIR)/sym_exclude.txt
        ( \
                echo '#define SYMTAB_KEEP \'; \
-               cat $(KERNEL_BUILD_DIR)/symtab.txt | \
-                       awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \
+               cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
+                       awk '{print "KEEP(*(___ksymtab+" $$$$1 ")) \\" }'; \
                echo; \
                echo '#define SYMTAB_KEEP_GPL \'; \
-               cat $(KERNEL_BUILD_DIR)/symtab.txt | \
-                       awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \
+               cat $(KERNEL_BUILD_DIR)/sym_include.txt | \
+                       awk '{print "KEEP(*(___ksymtab_gpl+" $$$$1 ")) \\" }'; \
                echo; \
-               echo '#define SYMTAB_KEEP_STR \'; \
-               cat $(KERNEL_BUILD_DIR)/symtab.txt | \
-                       awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \
+               echo '#define SYMTAB_DISCARD \'; \
+               cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
+                       awk '{print "*(___ksymtab+" $$$$1 ") \\" }'; \
+               echo; \
+               echo '#define SYMTAB_DISCARD_GPL \'; \
+               cat $(KERNEL_BUILD_DIR)/sym_exclude.txt | \
+                       awk '{print "*(___ksymtab_gpl+" $$$$1 ") \\" }'; \
                echo; \
        ) > $$@
 
-  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
+  $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config
        $(Kernel/Configure)
        touch $$@
 
@@ -108,19 +119,16 @@ define BuildKernel
   define BuildKernel
   endef
 
-  download: $(DL_DIR)/$(LINUX_SOURCE)
+  download: $(if $(LINUX_SITE),$(DL_DIR)/$(LINUX_SOURCE))
   prepare: $(STAMP_CONFIGURED)
   compile: $(LINUX_DIR)/.modules
        $(MAKE) -C image compile TARGET_BUILD=
 
   oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
-       [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)"
-       $(LINUX_CONFCMD) > $(LINUX_DIR)/.config
-       touch $(LINUX_CONFIG)
+       rm -f $(STAMP_CONFIGURED)
+       $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config
        $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@
-       $(SCRIPT_DIR)/kconfig.pl '>' $(if $(LINUX_SUBCONFIG),'+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG),$(GENERIC_LINUX_CONFIG)) \
-               $(LINUX_DIR)/.config > $(if $(LINUX_SUBCONFIG),$(LINUX_SUBCONFIG),$(LINUX_CONFIG))
-       $(Kernel/Configure)
+       $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET)
 
   install: $(LINUX_DIR)/.image
        +$(MAKE) -C image compile install TARGET_BUILD=