-#
+#
# Copyright (C) 2006-2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
-KERNEL_BUILD:=1
-
-include $(INCLUDE_DIR)/kernel-version.mk
include $(INCLUDE_DIR)/host.mk
-include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/prereq.mk
-override MAKEFLAGS=
-
-GENERIC_LINUX_CONFIG:=$(GENERIC_PLATFORM_DIR)/config-$(shell [ -f "$(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER)" ] && echo "$(KERNEL_PATCHVER)" || echo template )
-LINUX_CONFIG_DIR ?= ./config$(shell [ -d "./config-$(KERNEL_PATCHVER)" ] && printf -- "-$(KERNEL_PATCHVER)" || true )
-LINUX_CONFIG ?= $(LINUX_CONFIG_DIR)/default
-
-ifneq ($(DUMP),)
- TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(BOARD)-$(KERNEL)
- $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG)
- $(SCRIPT_DIR)/config.pl + $^ > $@
- -include $(TMP_CONFIG)
- .SILENT: $(TMP_CONFIG)
-endif
-
-ifneq ($(CONFIG_PCI),)
- FEATURES += pci
-endif
-ifneq ($(CONFIG_USB),)
- FEATURES += usb
-endif
-ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
- FEATURES += pcmcia
-endif
-
-# remove duplicates
-FEATURES:=$(sort $(FEATURES))
-
-ifeq ($(DUMP),1)
- all: dumpinfo
-else
+ifneq ($(DUMP),1)
all: compile
endif
-ifneq (,$(findstring uml,$(BOARD)))
- LINUX_KARCH:=um
-else
- LINUX_KARCH:=$(shell echo $(ARCH) | sed -e 's/i[3-9]86/i386/' \
- -e 's/mipsel/mips/' \
- -e 's/mipseb/mips/' \
- -e 's/powerpc/ppc/' \
- -e 's/sh[234]/sh/' \
- -e 's/armeb/arm/' \
- )
-endif
-
+export QUILT=1
STAMP_PREPARED:=$(LINUX_DIR)/.prepared
STAMP_CONFIGURED:=$(LINUX_DIR)/.configured
+include $(INCLUDE_DIR)/download.mk
include $(INCLUDE_DIR)/quilt.mk
include $(INCLUDE_DIR)/kernel-defaults.mk
$(call Kernel/Clean/Default)
endef
+define Download/kernel
+ URL:=$(LINUX_SITE)
+ FILE:=$(LINUX_SOURCE)
+ MD5SUM:=$(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 > $(BIN_DIR)/kernel-debug.tar.bz2
+ endef
+endif
+
define BuildKernel
- ifneq ($(LINUX_SITE),)
- $(DL_DIR)/$(LINUX_SOURCE):
- -mkdir -p $(DL_DIR)
- $(SCRIPT_DIR)/download.pl $(DL_DIR) $(LINUX_SOURCE) $(LINUX_KERNEL_MD5SUM) $(LINUX_SITE)
- endif
+ $(if $(QUILT),$(Build/Quilt))
+ $(if $(LINUX_SITE),$(call Download,kernel))
$(STAMP_PREPARED): $(DL_DIR)/$(LINUX_SOURCE)
-rm -rf $(KERNEL_BUILD_DIR)
-mkdir -p $(KERNEL_BUILD_DIR)
- $(call Kernel/Prepare)
+ $(Kernel/Prepare)
touch $$@
+ $(KERNEL_BUILD_DIR)/symtab.txt: FORCE
+ find $(LINUX_DIR) $(STAGING_DIR_ROOT)/lib/modules -name \*.ko | \
+ xargs $(TARGET_CROSS)nm | \
+ awk '$$$$1 == "U" { print $$$$2 } ' | \
+ sort -u > $$@
+
+ $(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_CONFIG) $(GENERIC_LINUX_CONFIG) $(TOPDIR)/.config
- $(call Kernel/Configure)
+ $(Kernel/Configure)
touch $$@
$(LINUX_DIR)/.modules: $(STAMP_CONFIGURED) $(LINUX_DIR)/.config FORCE
- $(call Kernel/CompileModules)
+ $(Kernel/CompileModules)
touch $$@
- $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) FORCE
- $(call Kernel/CompileImage)
+ $(LINUX_DIR)/.image: $(STAMP_CONFIGURED) $(if $(CONFIG_STRIP_KERNEL_EXPORTS),$(KERNEL_BUILD_DIR)/symtab.h) FORCE
+ $(Kernel/CompileImage)
+ $(Kernel/CollectDebug)
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
+ $(Kernel/Clean)
define BuildKernel
endef
-endef
-
-define Profile/Default
- NAME:=
- PACKAGES:=
-endef
-confname=$(subst .,_,$(subst -,_,$(1)))
-define Profile
- $(eval $(call Profile/Default))
- $(eval $(call Profile/$(1)))
- $(eval $(call shexport,Profile/$(1)/Config))
- $(eval $(call shexport,Profile/$(1)/Description))
- DUMPINFO += \
- echo "Target-Profile: $(1)"; \
- echo "Target-Profile-Name: $(NAME)"; \
- echo "Target-Profile-Packages: $(PACKAGES)"; \
- if [ -f ./config/profile-$(1) ]; then \
- echo "Target-Profile-Kconfig: yes"; \
- fi; \
- echo "Target-Profile-Config: "; \
- getvar "$(call shvar,Profile/$(1)/Config)"; \
- echo "@@"; \
- echo "Target-Profile-Description:"; \
- getvar "$(call shvar,Profile/$(1)/Description)"; \
- echo "@@"; \
- echo;
- ifeq ($(CONFIG_LINUX_$(call confname,$(KERNEL)_$(1))),y)
- PROFILE=$(1)
- endif
-endef
-
-$(eval $(call shexport,Target/Description))
+ download: $(DL_DIR)/$(LINUX_SOURCE)
+ prepare: $(STAMP_CONFIGURED)
+ compile: $(LINUX_DIR)/.modules
+ $(MAKE) -C image compile TARGET_BUILD=
-download: $(DL_DIR)/$(LINUX_SOURCE)
-prepare: $(STAMP_CONFIGURED)
-compile: $(LINUX_DIR)/.modules
-oldconfig menuconfig: $(STAMP_PREPARED) FORCE
- $(call Kernel/Configure)
- $(SCRIPT_DIR)/config.pl '+' $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) > $(LINUX_DIR)/.config
- $(MAKE) -C $(LINUX_DIR) $(KERNEL_MAKEOPTS) $@
- $(SCRIPT_DIR)/config.pl '>' $(GENERIC_LINUX_CONFIG) $(LINUX_DIR)/.config > $(LINUX_CONFIG)
+ oldconfig menuconfig nconfig: $(STAMP_PREPARED) $(STAMP_CHECKED) FORCE
+ [ -e "$(LINUX_CONFIG)" ] || touch "$(LINUX_CONFIG)"
+ $(LINUX_CONFCMD) > $(LINUX_DIR)/.config
+ touch $(LINUX_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)
-install: $(LINUX_DIR)/.image
- $(MAKE) -C image install
+ install: $(LINUX_DIR)/.image
+ +$(MAKE) -C image compile install TARGET_BUILD=
-clean: FORCE
- rm -f $(STAMP_DIR)/.linux-compile
+ 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=
-image-prereq:
- $(MAKE) -C image prereq
+ prereq: image-prereq
-prereq: image-prereq
+endef
projects / openwrt.git / blobdiff