X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/83b31e078f713ebc761f90030d71e12618bd68ad..4b838055c4a99f7aacd762722b346620b7bb03e1:/include/kernel-build.mk diff --git a/include/kernel-build.mk b/include/kernel-build.mk index 75c2bcf01..432efd6ce 100644 --- a/include/kernel-build.mk +++ b/include/kernel-build.mk @@ -11,6 +11,7 @@ ifneq ($(DUMP),1) all: compile endif +export QUILT=1 STAMP_PREPARED:=$(LINUX_DIR)/.prepared STAMP_CONFIGURED:=$(LINUX_DIR)/.configured include $(INCLUDE_DIR)/download.mk @@ -43,6 +44,19 @@ define Download/kernel MD5SUM:=$(LINUX_KERNEL_MD5SUM) endef +ifdef CONFIG_COLLECT_KERNEL_DEBUG + define Kernel/CollectDebug + rm -rf $(KERNEL_BUILD_DIR)/debug + mkdir -p $(KERNEL_BUILD_DIR)/debug/modules + $(CP) $(LINUX_DIR)/vmlinux $(KERNEL_BUILD_DIR)/debug/ + -$(CP) \ + $(STAGING_DIR_ROOT)/lib/modules/$(LINUX_VERSION)/* \ + $(KERNEL_BUILD_DIR)/debug/modules/ + $(FIND) $(KERNEL_BUILD_DIR)/debug -type f | $(XARGS) $(KERNEL_CROSS)strip --only-keep-debug + $(TAR) c -C $(KERNEL_BUILD_DIR) debug | bzip2 -c -9 > $(BIN_DIR)/kernel-debug.tar.bz2 + endef +endif + define BuildKernel $(if $(QUILT),$(Build/Quilt)) $(if $(LINUX_SITE),$(call Download,kernel)) @@ -53,7 +67,29 @@ define BuildKernel $(Kernel/Prepare) touch $$@ - $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config + $(KERNEL_BUILD_DIR)/symtab.txt: FORCE + find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \ + xargs $(TARGET_CROSS)nm | \ + awk '$$$$1 == "U" { print $$$$2 } ' | \ + sort -u > $$@ + + $(KERNEL_BUILD_DIR)/symtab.h: $(KERNEL_BUILD_DIR)/symtab.txt + ( \ + echo '#define SYMTAB_KEEP \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_GPL \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_gpl." $$$$1 ") \\" }'; \ + echo; \ + echo '#define SYMTAB_KEEP_STR \'; \ + cat $(KERNEL_BUILD_DIR)/symtab.txt | \ + awk '{print "*(__ksymtab_strings." $$$$1 ") \\" }'; \ + echo; \ + ) > $$@ + + $(STAMP_CONFIGURED): $(STAMP_PREPARED) $(LINUX_KCONFIG_LIST) $(TOPDIR)/.config $(Kernel/Configure) touch $$@ @@ -61,8 +97,9 @@ define BuildKernel $(Kernel/CompileModules) touch $$@ - $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE + $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE $(Kernel/CompileImage) + $(Kernel/CollectDebug) touch $$@ mostlyclean: FORCE @@ -76,28 +113,20 @@ define BuildKernel compile: $(LINUX_DIR)/.modules $(MAKE) -C image compile TARGET_BUILD= - oldconfig menuconfig: $(STAMP_PREPARED) FORCE - $(LINUX_CONFCMD) > $(LINUX_DIR)/.config - touch $(LINUX_CONFIG) - $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ - $(SCRIPT_DIR)/kconfig.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG) - $(Kernel/Configure) + oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE + rm -f $(STAMP_CONFIGURED) + $(LINUX_RECONF_CMD) > $(LINUX_DIR)/.config + $(_SINGLE)$(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $$@ + $(LINUX_RECONF_DIFF) $(LINUX_DIR)/.config > $(LINUX_RECONFIG_TARGET) install: $(LINUX_DIR)/.image - TARGET_BUILD="" $(MAKE) -C image compile install + +$(MAKE) -C image compile install TARGET_BUILD= clean: FORCE rm -rf $(KERNEL_BUILD_DIR) - rebuild: FORCE - @$(MAKE) mostlyclean - @if [ -f $(LINUX_KERNEL) ]; then \ - $(MAKE) clean; \ - fi - @$(MAKE) compile - image-prereq: - @$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD= + @+$(NO_TRACE_MAKE) -s -C image prereq TARGET_BUILD= prereq: image-prereq