-#
-# Copyright (C) 2006 OpenWrt.org
+#
+# Copyright (C) 2007-2008 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
-define kernel_template
-ifeq ($(CONFIG_LINUX_$(3)),y)
-KERNEL:=$(1)
-BOARD:=$(2)
+
+ifneq ($(__target_inc),1)
+__target_inc=1
+
+# default device type
+DEVICE_TYPE?=router
+
+# Default packages - the really basic set
+DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg hotplug2
+# For router targets
+DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe kmod-ipt-nathelper firewall
+DEFAULT_PACKAGES.bootloader:=
+
+ifneq ($(DUMP),)
+ all: dumpinfo
endif
+
+target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
+ifeq ($(DUMP),)
+ PLATFORM_DIR:=$(TOPDIR)/target/linux/$(BOARD)
+ SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
+else
+ PLATFORM_DIR:=${CURDIR}
+ ifeq ($(SUBTARGETS),)
+ SUBTARGETS:=$(strip $(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)))
+ endif
+endif
+
+TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
+PLATFORM_SUBDIR:=$(PLATFORM_DIR)$(if $(SUBTARGET),/$(SUBTARGET))
+
+ifneq ($(TARGET_BUILD),1)
+ ifndef DUMP
+ include $(PLATFORM_DIR)/Makefile
+ ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
+ include $(PLATFORM_SUBDIR)/target.mk
+ endif
+ endif
+else
+ ifneq ($(SUBTARGET),)
+ -include ./$(SUBTARGET)/target.mk
+ endif
+endif
+
+# Add device specific packages (here below to allow device type set from subtarget)
+DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
+
+define Profile/Default
+ NAME:=
+ PACKAGES:=
+endef
+
+ifndef Profile
+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: "; \
+ $(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Config)"; \
+ echo "@@"; \
+ echo "Target-Profile-Description:"; \
+ $(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Description)"; \
+ echo "@@"; \
+ echo;
+ ifeq ($(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(if $(SUBTARGET),$(SUBTARGET)_)$(1))),y)
+ PROFILE=$(1)
+ endif
endef
+endif
+
+ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
+ define IncludeProfiles
+ -include $(PLATFORM_DIR)/profiles/*.mk
+ -include $(PLATFORM_SUBDIR)/profiles/*.mk
+ endef
+else
+ define IncludeProfiles
+ -include $(PLATFORM_DIR)/profiles/*.mk
+ endef
+endif
+
+ifeq ($(TARGET_BUILD),1)
+ $(eval $(call IncludeProfiles))
+else
+ ifeq ($(DUMP),)
+ $(eval $(call IncludeProfiles))
+ endif
+endif
+
+$(eval $(call shexport,Target/Description))
+
+ifneq ($(TARGET_BUILD)$(if $(DUMP),,1),)
+ include $(INCLUDE_DIR)/kernel-version.mk
+endif
+
+GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic
+GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
+GENERIC_FILES_DIR := $(foreach dir,$(wildcard $(GENERIC_PLATFORM_DIR)/files $(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
+
+__config_name_list = $(1)/config-$(KERNEL_PATCHVER) $(1)/config-default
+__config_list = $(firstword $(wildcard $(call __config_name_list,$(1))))
+find_kernel_config=$(if $(__config_list),$(__config_list),$(lastword $(__config_name_list)))
+
+GENERIC_LINUX_CONFIG = $(call find_kernel_config,$(GENERIC_PLATFORM_DIR))
+LINUX_TARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_DIR))
+ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
+ LINUX_SUBTARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_SUBDIR))
+endif
+
+# config file list used for compiling
+LINUX_KCONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG) $(TOPDIR)/env/kernel-config)
-$(eval $(call kernel_template,2.4,brcm,2_4_BRCM))
-$(eval $(call kernel_template,2.4,ar7,2_4_AR7))
-$(eval $(call kernel_template,2.6,brcm,2_6_BRCM))
-$(eval $(call kernel_template,2.6,brcm63xx,2_6_BRCM63XX))
-$(eval $(call kernel_template,2.6,rb532,2_6_RB532))
-$(eval $(call kernel_template,2.6,rdc,2_6_RDC))
-$(eval $(call kernel_template,2.6,x86,2_6_X86))
-$(eval $(call kernel_template,2.6,uml,2_6_UML))
-$(eval $(call kernel_template,2.4,ar531x,2_4_AR531X))
-$(eval $(call kernel_template,2.6,aruba,2_6_ARUBA))
-$(eval $(call kernel_template,2.6,au1000,2_6_AU1000))
-$(eval $(call kernel_template,2.6,ixp4xx,2_6_IXP4XX))
-$(eval $(call kernel_template,2.6,magicbox,2_6_MAGICBOX))
-$(eval $(call kernel_template,2.6,sibyte,2_6_SIBYTE))
-
-export BOARD
-export KERNEL
+# default config list for reconfiguring
+# defaults to subtarget if subtarget exists and target does not
+# defaults to target otherwise
+USE_SUBTARGET_CONFIG = $(if $(wildcard $(LINUX_TARGET_CONFIG)),,$(if $(LINUX_SUBTARGET_CONFIG),1))
+
+LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG)))
+LINUX_RECONFIG_TARGET = $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG),$(LINUX_TARGET_CONFIG))
+
+# select the config file to be cahnged by kernel_menuconfig/kernel_oldconfig
+ifeq ($(CONFIG_TARGET),platform)
+ LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
+ LINUX_RECONFIG_TARGET = $(LINUX_TARGET_CONFIG)
+endif
+ifeq ($(CONFIG_TARGET),subtarget)
+ LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
+ LINUX_RECONFIG_TARGET = $(LINUX_SUBTARGET_CONFIG)
+endif
+ifeq ($(CONFIG_TARGET),env)
+ LINUX_RECONFIG_LIST = $(LINUX_KCONFIG_LIST)
+ LINUX_RECONFIG_TARGET = $(TOPDIR)/env/kernel-config
+endif
+__linux_confcmd = $(SCRIPT_DIR)/kconfig.pl $(2) $(patsubst %,+,$(wordlist 2,9999,$(1))) $(1)
+
+LINUX_CONF_CMD = $(call __linux_confcmd,$(LINUX_KCONFIG_LIST),)
+LINUX_RECONF_CMD = $(call __linux_confcmd,$(LINUX_RECONFIG_LIST),)
+LINUX_RECONF_DIFF = $(call __linux_confcmd,$(filter-out $(LINUX_RECONFIG_TARGET),$(LINUX_RECONFIG_LIST)),'>')
+
+ifeq ($(DUMP),1)
+ BuildTarget=$(BuildTargets/DumpCurrent)
+
+ ifneq ($(BOARD),)
+ TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(call target_conf,$(TARGETID))
+ $(TMP_CONFIG): $(LINUX_KCONFIG_LIST)
+ $(LINUX_CONF_CMD) > $@ || rm -f $@
+ -include $(TMP_CONFIG)
+ .SILENT: $(TMP_CONFIG)
+ .PRECIOUS: $(TMP_CONFIG)
+
+ ifneq ($(CONFIG_GENERIC_GPIO),)
+ FEATURES += gpio
+ endif
+ ifneq ($(CONFIG_PCI),)
+ FEATURES += pci
+ endif
+ ifneq ($(CONFIG_PCIEPORTBUS),)
+ FEATURES += pcie
+ endif
+ ifneq ($(CONFIG_USB)$(CONFIG_USB_SUPPORT),)
+ ifneq ($(CONFIG_USB_ARCH_HAS_HCD)$(CONFIG_USB_EHCI_HCD),)
+ FEATURES += usb
+ endif
+ endif
+ ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
+ FEATURES += pcmcia
+ endif
+ ifneq ($(CONFIG_VGA_CONSOLE)$(CONFIG_FB),)
+ FEATURES += display
+ endif
+
+ # remove duplicates
+ FEATURES:=$(sort $(FEATURES))
+ endif
+ DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -fno-caller-saves
+ DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -fno-caller-saves
+ DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -fno-caller-saves
+ DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -fno-caller-saves
+ DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
+ DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
+ DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
+ DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -fno-caller-saves
+ DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
+ DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
+ DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -fno-caller-saves)
+endif
+
+define BuildTargets/DumpCurrent
+ .PHONY: dumpinfo
+ dumpinfo:
+ @echo 'Target: $(TARGETID)'; \
+ echo 'Target-Board: $(BOARD)'; \
+ echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),$(if $(SUBTARGET),))'; \
+ echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
+ echo 'Target-Arch: $(ARCH)'; \
+ echo 'Target-Arch-Packages: $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD))'; \
+ echo 'Target-Features: $(FEATURES)'; \
+ echo 'Target-Depends: $(DEPENDS)'; \
+ echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
+ echo 'Linux-Version: $(LINUX_VERSION)'; \
+ echo 'Linux-Release: $(LINUX_RELEASE)'; \
+ echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
+ $(if $(SUBTARGET),,$(if $(DEFAULT_SUBTARGET), echo 'Default-Subtarget: $(DEFAULT_SUBTARGET)'; ))
+ echo 'Target-Description:'; \
+ $(SH_FUNC) getvar $(call shvar,Target/Description); \
+ echo '@@'; \
+ echo 'Default-Packages: $(DEFAULT_PACKAGES)'; \
+ $(DUMPINFO)
+ $(if $(SUBTARGET),,@$(foreach SUBTARGET,$(SUBTARGETS),$(SUBMAKE) -s DUMP=1 SUBTARGET=$(SUBTARGET); ))
+endef
+
+include $(INCLUDE_DIR)/kernel.mk
+ifeq ($(TARGET_BUILD),1)
+ include $(INCLUDE_DIR)/kernel-build.mk
+ BuildTarget?=$(BuildKernel)
+endif
+endif #__target_inc