include/target.mk

   1 #
   2 # Copyright (C) 2007-2008 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 ifneq ($(__target_inc),1)
   9 __target_inc=1
  10
  11 # default device type
  12 DEVICE_TYPE?=router
  13
  14 # Default packages - the really basic set
  15 DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg
  16 # For router targets
  17 DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe kmod-ipt-nathelper firewall
  18 DEFAULT_PACKAGES.bootloader:=
  19
  20 # Additional packages for Linux 2.6
  21 ifneq ($(KERNEL),2.4)
  22   DEFAULT_PACKAGES += udevtrigger hotplug2
  23 endif
  24
  25 # Add device specific packages
  26 DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
  27
  28 ifneq ($(DUMP),)
  29   all: dumpinfo
  30 endif
  31
  32 target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
  33 ifeq ($(DUMP),)
  34   PLATFORM_DIR:=$(TOPDIR)/target/linux/$(BOARD)
  35   SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
  36 else
  37   PLATFORM_DIR:=${CURDIR}
  38 endif
  39
  40 TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
  41 PLATFORM_SUBDIR:=$(PLATFORM_DIR)$(if $(SUBTARGET),/$(SUBTARGET))
  42
  43 ifneq ($(TARGET_BUILD),1)
  44   ifndef DUMP
  45     include $(PLATFORM_DIR)/Makefile
  46     ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
  47       include $(PLATFORM_SUBDIR)/target.mk
  48     endif
  49   endif
  50 else
  51   ifneq ($(SUBTARGET),)
  52     -include ./$(SUBTARGET)/target.mk
  53   endif
  54 endif
  55
  56 define Profile/Default
  57   NAME:=
  58   PACKAGES:=
  59 endef
  60
  61 ifndef Profile
  62 define Profile
  63   $(eval $(call Profile/Default))
  64   $(eval $(call Profile/$(1)))
  65   $(eval $(call shexport,Profile/$(1)/Config))
  66   $(eval $(call shexport,Profile/$(1)/Description))
  67   DUMPINFO += \
  68         echo "Target-Profile: $(1)"; \
  69         echo "Target-Profile-Name: $(NAME)"; \
  70         echo "Target-Profile-Packages: $(PACKAGES)"; \
  71         if [ -f ./config/profile-$(1) ]; then \
  72                 echo "Target-Profile-Kconfig: yes"; \
  73         fi; \
  74         echo "Target-Profile-Config: "; \
  75         getvar "$(call shvar,Profile/$(1)/Config)"; \
  76         echo "@@"; \
  77         echo "Target-Profile-Description:"; \
  78         getvar "$(call shvar,Profile/$(1)/Description)"; \
  79         echo "@@"; \
  80         echo;
  81   ifeq ($(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(if $(SUBTARGET),$(SUBTARGET)_)$(1))),y)
  82     PROFILE=$(1)
  83   endif
  84 endef
  85 endif
  86
  87 ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
  88   define IncludeProfiles
  89     -include $(PLATFORM_DIR)/profiles/*.mk
  90     -include $(PLATFORM_SUBDIR)/profiles/*.mk
  91   endef
  92 else
  93   define IncludeProfiles
  94     -include $(PLATFORM_DIR)/profiles/*.mk
  95   endef
  96 endif
  97
  98 ifeq ($(TARGET_BUILD),1)
  99   $(eval $(call IncludeProfiles))
 100 else
 101   ifeq ($(DUMP),)
 102     $(eval $(call IncludeProfiles))
 103   endif
 104 endif
 105
 106 $(eval $(call shexport,Target/Description))
 107
 108 ifneq ($(TARGET_BUILD)$(if $(DUMP),,1),)
 109   include $(INCLUDE_DIR)/kernel-version.mk
 110 endif
 111
 112 GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic-$(KERNEL)
 113 GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
 114 GENERIC_FILES_DIR := $(foreach dir,$(wildcard $(GENERIC_PLATFORM_DIR)/files $(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
 115
 116 GENERIC_LINUX_CONFIG?=$(firstword $(wildcard $(GENERIC_PLATFORM_DIR)/config-$(KERNEL_PATCHVER) $(GENERIC_PLATFORM_DIR)/config-default))
 117 LINUX_CONFIG?=$(firstword $(wildcard $(foreach subdir,$(PLATFORM_DIR) $(PLATFORM_SUBDIR),$(subdir)/config-$(KERNEL_PATCHVER) $(subdir)/config-default)) $(PLATFORM_DIR)/config-$(KERNEL_PATCHVER))
 118 LINUX_SUBCONFIG?=$(firstword $(wildcard $(PLATFORM_SUBDIR)/config-$(KERNEL_PATCHVER) $(PLATFORM_SUBDIR)/config-default))
 119 ifeq ($(LINUX_CONFIG),$(LINUX_SUBCONFIG))
 120   LINUX_SUBCONFIG:=
 121 endif
 122 LINUX_CONFCMD=$(if $(LINUX_CONFIG), \
 123         $(if $(GENERIC_LINUX_CONFIG),,$(error The generic kernel config for your kernel version is missing)) \
 124         $(if $(LINUX_CONFIG),,$(error The target kernel config for your kernel version is missing)) \
 125         $(SCRIPT_DIR)/kconfig.pl \
 126                 + $(GENERIC_LINUX_CONFIG) \
 127                 $(if $(LINUX_SUBCONFIG),+ $(LINUX_CONFIG) $(LINUX_SUBCONFIG),$(LINUX_CONFIG)), \
 128         true)
 129
 130 ifeq ($(DUMP),1)
 131   BuildTarget=$(BuildTargets/DumpCurrent)
 132
 133   ifneq ($(BOARD),)
 134     TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(call target_conf,$(TARGETID))
 135     $(TMP_CONFIG): $(GENERIC_LINUX_CONFIG) $(LINUX_CONFIG) $(LINUX_SUBCONFIG)
 136                 $(LINUX_CONFCMD) > $@ || rm -f $@
 137     -include $(TMP_CONFIG)
 138     .SILENT: $(TMP_CONFIG)
 139     .PRECIOUS: $(TMP_CONFIG)
 140
 141     ifneq ($(CONFIG_GENERIC_GPIO),)
 142       FEATURES += gpio
 143     endif
 144     ifneq ($(CONFIG_PCI),)
 145       FEATURES += pci
 146     endif
 147     ifneq ($(CONFIG_USB)$(CONFIG_USB_SUPPORT),)
 148       FEATURES += usb
 149     endif
 150     ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
 151       FEATURES += pcmcia
 152     endif
 153     ifneq ($(CONFIG_VGA_CONSOLE)$(CONFIG_FB),)
 154       FEATURES += display
 155     endif
 156
 157     # remove duplicates
 158     FEATURES:=$(sort $(FEATURES))
 159   endif
 160   DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -funit-at-a-time
 161   DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -funit-at-a-time
 162   DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -funit-at-a-time
 163   DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
 164   DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -funit-at-a-time
 165   DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
 166   DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -funit-at-a-time
 167   DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
 168   DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -funit-at-a-time)
 169 endif
 170
 171 define BuildTargets/DumpCurrent
 172   .PHONY: dumpinfo
 173   dumpinfo:
 174         @echo 'Target: $(TARGETID)'; \
 175          echo 'Target-Board: $(BOARD)'; \
 176          echo 'Target-Kernel: $(KERNEL)'; \
 177          echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),, [$(KERNEL)])$(if $(SUBTARGETS),$(if $(SUBTARGET), [$(KERNEL)]))'; \
 178          echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
 179          echo 'Target-Arch: $(ARCH)'; \
 180          echo 'Target-Features: $(FEATURES)'; \
 181          echo 'Target-Depends: $(DEPENDS)'; \
 182          echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
 183          echo 'Linux-Version: $(LINUX_VERSION)'; \
 184          echo 'Linux-Release: $(LINUX_RELEASE)'; \
 185          echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
 186          echo 'Target-Description:'; \
 187          getvar $(call shvar,Target/Description); \
 188          echo '@@'; \
 189          echo 'Default-Packages: $(DEFAULT_PACKAGES)'; \
 190          $(DUMPINFO)
 191         $(if $(SUBTARGET),,@$(foreach SUBTARGET,$(SUBTARGETS),$(SUBMAKE) -s DUMP=1 SUBTARGET=$(SUBTARGET); ))
 192 endef
 193
 194 include $(INCLUDE_DIR)/kernel.mk
 195 ifeq ($(TARGET_BUILD),1)
 196   include $(INCLUDE_DIR)/kernel-build.mk
 197   BuildTarget?=$(BuildKernel)
 198 endif
 199
 200 endif #__target_inc