mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 14:34:27 -05:00
caf4747f0c
- support kernel config overlays in env/ - allow overriding the target kernel config with CONFIG_TARGET=platform|subtarget|env SVN-Revision: 26498
238 lines
7.9 KiB
Makefile
238 lines
7.9 KiB
Makefile
#
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# Copyright (C) 2007-2008 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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ifneq ($(__target_inc),1)
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__target_inc=1
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# default device type
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DEVICE_TYPE?=router
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# Default packages - the really basic set
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DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg hotplug2
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# For router targets
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DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe kmod-ipt-nathelper firewall
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DEFAULT_PACKAGES.bootloader:=
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# Add device specific packages
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DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
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ifneq ($(DUMP),)
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all: dumpinfo
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endif
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target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
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ifeq ($(DUMP),)
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PLATFORM_DIR:=$(TOPDIR)/target/linux/$(BOARD)
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SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
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else
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PLATFORM_DIR:=${CURDIR}
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endif
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TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
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PLATFORM_SUBDIR:=$(PLATFORM_DIR)$(if $(SUBTARGET),/$(SUBTARGET))
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ifneq ($(TARGET_BUILD),1)
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ifndef DUMP
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include $(PLATFORM_DIR)/Makefile
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ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
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include $(PLATFORM_SUBDIR)/target.mk
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endif
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endif
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else
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ifneq ($(SUBTARGET),)
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-include ./$(SUBTARGET)/target.mk
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endif
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endif
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define Profile/Default
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NAME:=
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PACKAGES:=
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endef
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ifndef Profile
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define Profile
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$(eval $(call Profile/Default))
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$(eval $(call Profile/$(1)))
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$(eval $(call shexport,Profile/$(1)/Config))
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$(eval $(call shexport,Profile/$(1)/Description))
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DUMPINFO += \
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echo "Target-Profile: $(1)"; \
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echo "Target-Profile-Name: $(NAME)"; \
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echo "Target-Profile-Packages: $(PACKAGES)"; \
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if [ -f ./config/profile-$(1) ]; then \
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echo "Target-Profile-Kconfig: yes"; \
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fi; \
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echo "Target-Profile-Config: "; \
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$(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Config)"; \
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echo "@@"; \
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echo "Target-Profile-Description:"; \
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$(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Description)"; \
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echo "@@"; \
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echo;
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ifeq ($(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(if $(SUBTARGET),$(SUBTARGET)_)$(1))),y)
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PROFILE=$(1)
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endif
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endef
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endif
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ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
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define IncludeProfiles
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-include $(PLATFORM_DIR)/profiles/*.mk
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-include $(PLATFORM_SUBDIR)/profiles/*.mk
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endef
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else
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define IncludeProfiles
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-include $(PLATFORM_DIR)/profiles/*.mk
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endef
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endif
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ifeq ($(TARGET_BUILD),1)
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$(eval $(call IncludeProfiles))
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else
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ifeq ($(DUMP),)
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$(eval $(call IncludeProfiles))
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endif
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endif
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$(eval $(call shexport,Target/Description))
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ifneq ($(TARGET_BUILD)$(if $(DUMP),,1),)
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include $(INCLUDE_DIR)/kernel-version.mk
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endif
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GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic
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GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
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GENERIC_FILES_DIR := $(foreach dir,$(wildcard $(GENERIC_PLATFORM_DIR)/files $(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
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__config_name_list = $(1)/config-$(KERNEL_PATCHVER) $(1)/config-default
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__config_list = $(firstword $(wildcard $(call __config_name_list,$(1))))
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find_kernel_config=$(if $(__config_list),$(__config_list),$(lastword $(__config_name_list)))
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GENERIC_LINUX_CONFIG:=$(call find_kernel_config,$(GENERIC_PLATFORM_DIR))
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LINUX_TARGET_CONFIG:=$(call find_kernel_config,$(PLATFORM_DIR))
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ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
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LINUX_SUBTARGET_CONFIG:=$(call find_kernel_config,$(PLATFORM_SUBDIR))
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endif
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# config file list used for compiling
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LINUX_KCONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG) $(TOPDIR)/env/kernel-config)
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# default config list for reconfiguring
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# defaults to subtarget if subtarget exists and target does not
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# defaults to target otherwise
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ifeq ($(if $(wildcard $(LINUX_TARGET_CONFIG)),,$(if $(LINUX_SUBTARGET_CONFIG),1)),1)
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LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
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LINUX_RECONFIG_TARGET := $(LINUX_SUBTARGET_CONFIG)
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else
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LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
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LINUX_RECONFIG_TARGET := $(LINUX_TARGET_CONFIG)
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endif
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# select the config file to be cahnged by kernel_menuconfig/kernel_oldconfig
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ifeq ($(CONFIG_TARGET),platform)
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LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
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LINUX_RECONFIG_TARGET := $(LINUX_TARGET_CONFIG)
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endif
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ifeq ($(CONFIG_TARGET),subtarget)
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ifeq ($(wildcard $(LINUX_SUBTARGET_CONFIG)),)
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$(error Subtarget not available, cannot reconfigure)
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else
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LINUX_RECONFIG_LIST := $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
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LINUX_RECONFIG_TARGET := $(LINUX_SUBTARGET_CONFIG)
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endif
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endif
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ifeq ($(CONFIG_TARGET),env)
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LINUX_RECONFIG_LIST := $(LINUX_KCONFIG_LIST)
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LINUX_RECONFIG_TARGET := $(TOPDIR)/env/kernel-config
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endif
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__linux_confcmd = $(SCRIPT_DIR)/kconfig.pl $(2) $(patsubst %,+,$(wordlist 2,9999,$(1))) $(1)
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LINUX_CONF_CMD = $(call __linux_confcmd,$(LINUX_KCONFIG_LIST),)
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LINUX_RECONF_CMD = $(call __linux_confcmd,$(LINUX_RECONFIG_LIST),)
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LINUX_RECONF_DIFF = $(call __linux_confcmd,$(filter-out $(LINUX_RECONFIG_TARGET),$(LINUX_RECONFIG_LIST)),'>')
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ifeq ($(DUMP),1)
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BuildTarget=$(BuildTargets/DumpCurrent)
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ifneq ($(BOARD),)
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TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(call target_conf,$(TARGETID))
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$(TMP_CONFIG): $(LINUX_KCONFIG_LIST)
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$(LINUX_CONF_CMD) > $@ || rm -f $@
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-include $(TMP_CONFIG)
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.SILENT: $(TMP_CONFIG)
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.PRECIOUS: $(TMP_CONFIG)
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ifneq ($(CONFIG_GENERIC_GPIO),)
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FEATURES += gpio
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endif
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ifneq ($(CONFIG_PCI),)
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FEATURES += pci
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endif
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ifneq ($(CONFIG_PCIEPORTBUS),)
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FEATURES += pcie
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endif
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ifneq ($(CONFIG_USB)$(CONFIG_USB_SUPPORT),)
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ifneq ($(CONFIG_USB_ARCH_HAS_HCD)$(CONFIG_USB_EHCI_HCD),)
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FEATURES += usb
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endif
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endif
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ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
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FEATURES += pcmcia
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endif
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ifneq ($(CONFIG_VGA_CONSOLE)$(CONFIG_FB),)
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FEATURES += display
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endif
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# remove duplicates
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FEATURES:=$(sort $(FEATURES))
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endif
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DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -fno-caller-saves
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DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -fno-caller-saves
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DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -fno-caller-saves
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DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -fno-caller-saves
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DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
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DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
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DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
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DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -fno-caller-saves
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DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
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DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
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DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -fno-caller-saves)
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endif
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define BuildTargets/DumpCurrent
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.PHONY: dumpinfo
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dumpinfo:
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@echo 'Target: $(TARGETID)'; \
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echo 'Target-Board: $(BOARD)'; \
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echo 'Target-Kernel: $(KERNEL)'; \
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echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),$(if $(SUBTARGET),))'; \
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echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
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echo 'Target-Arch: $(ARCH)'; \
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echo 'Target-Arch-Packages: $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD))'; \
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echo 'Target-Features: $(FEATURES)'; \
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echo 'Target-Depends: $(DEPENDS)'; \
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echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
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echo 'Linux-Version: $(LINUX_VERSION)'; \
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echo 'Linux-Release: $(LINUX_RELEASE)'; \
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echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
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echo 'Target-Description:'; \
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$(SH_FUNC) getvar $(call shvar,Target/Description); \
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echo '@@'; \
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echo 'Default-Packages: $(DEFAULT_PACKAGES)'; \
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$(DUMPINFO)
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$(if $(SUBTARGET),,@$(foreach SUBTARGET,$(SUBTARGETS),$(SUBMAKE) -s DUMP=1 SUBTARGET=$(SUBTARGET); ))
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endef
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include $(INCLUDE_DIR)/kernel.mk
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ifeq ($(TARGET_BUILD),1)
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include $(INCLUDE_DIR)/kernel-build.mk
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BuildTarget?=$(BuildKernel)
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endif
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endif #__target_inc
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