Root/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
8ifneq ($(__target_inc),1)
9__target_inc=1
10
11# default device type
12DEVICE_TYPE?=router
13
14# Default packages - the really basic set
15DEFAULT_PACKAGES:=base-files libc libgcc busybox dropbear mtd uci opkg hotplug2
16# For router targets
17DEFAULT_PACKAGES.router:=dnsmasq iptables ppp ppp-mod-pppoe kmod-ipt-nathelper firewall
18DEFAULT_PACKAGES.bootloader:=
19
20# Add device specific packages
21DEFAULT_PACKAGES += $(DEFAULT_PACKAGES.$(DEVICE_TYPE))
22
23ifneq ($(DUMP),)
24  all: dumpinfo
25endif
26
27target_conf=$(subst .,_,$(subst -,_,$(subst /,_,$(1))))
28ifeq ($(DUMP),)
29  PLATFORM_DIR:=$(TOPDIR)/target/linux/$(BOARD)
30  SUBTARGET:=$(strip $(foreach subdir,$(patsubst $(PLATFORM_DIR)/%/target.mk,%,$(wildcard $(PLATFORM_DIR)/*/target.mk)),$(if $(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(subdir))),$(subdir))))
31else
32  PLATFORM_DIR:=${CURDIR}
33endif
34
35TARGETID:=$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))
36PLATFORM_SUBDIR:=$(PLATFORM_DIR)$(if $(SUBTARGET),/$(SUBTARGET))
37
38ifneq ($(TARGET_BUILD),1)
39  ifndef DUMP
40    include $(PLATFORM_DIR)/Makefile
41    ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
42      include $(PLATFORM_SUBDIR)/target.mk
43    endif
44  endif
45else
46  ifneq ($(SUBTARGET),)
47    -include ./$(SUBTARGET)/target.mk
48  endif
49endif
50
51define Profile/Default
52  NAME:=
53  PACKAGES:=
54endef
55
56ifndef Profile
57define Profile
58  $(eval $(call Profile/Default))
59  $(eval $(call Profile/$(1)))
60  $(eval $(call shexport,Profile/$(1)/Config))
61  $(eval $(call shexport,Profile/$(1)/Description))
62  DUMPINFO += \
63    echo "Target-Profile: $(1)"; \
64    echo "Target-Profile-Name: $(NAME)"; \
65    echo "Target-Profile-Packages: $(PACKAGES)"; \
66    if [ -f ./config/profile-$(1) ]; then \
67        echo "Target-Profile-Kconfig: yes"; \
68    fi; \
69    echo "Target-Profile-Config: "; \
70    $(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Config)"; \
71    echo "@@"; \
72    echo "Target-Profile-Description:"; \
73    $(SH_FUNC) getvar "$(call shvar,Profile/$(1)/Description)"; \
74    echo "@@"; \
75    echo;
76  ifeq ($(CONFIG_TARGET_$(call target_conf,$(BOARD)_$(if $(SUBTARGET),$(SUBTARGET)_)$(1))),y)
77    PROFILE=$(1)
78  endif
79endef
80endif
81
82ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
83  define IncludeProfiles
84    -include $(PLATFORM_DIR)/profiles/*.mk
85    -include $(PLATFORM_SUBDIR)/profiles/*.mk
86  endef
87else
88  define IncludeProfiles
89    -include $(PLATFORM_DIR)/profiles/*.mk
90  endef
91endif
92
93ifeq ($(TARGET_BUILD),1)
94  $(eval $(call IncludeProfiles))
95else
96  ifeq ($(DUMP),)
97    $(eval $(call IncludeProfiles))
98  endif
99endif
100
101$(eval $(call shexport,Target/Description))
102
103ifneq ($(TARGET_BUILD)$(if $(DUMP),,1),)
104  include $(INCLUDE_DIR)/kernel-version.mk
105endif
106
107GENERIC_PLATFORM_DIR := $(TOPDIR)/target/linux/generic
108GENERIC_PATCH_DIR := $(GENERIC_PLATFORM_DIR)/patches$(if $(wildcard $(GENERIC_PLATFORM_DIR)/patches-$(KERNEL_PATCHVER)),-$(KERNEL_PATCHVER))
109GENERIC_FILES_DIR := $(foreach dir,$(wildcard $(GENERIC_PLATFORM_DIR)/files $(GENERIC_PLATFORM_DIR)/files-$(KERNEL_PATCHVER)),"$(dir)")
110
111__config_name_list = $(1)/config-$(KERNEL_PATCHVER) $(1)/config-default
112__config_list = $(firstword $(wildcard $(call __config_name_list,$(1))))
113find_kernel_config=$(if $(__config_list),$(__config_list),$(lastword $(__config_name_list)))
114
115GENERIC_LINUX_CONFIG = $(call find_kernel_config,$(GENERIC_PLATFORM_DIR))
116LINUX_TARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_DIR))
117ifneq ($(PLATFORM_DIR),$(PLATFORM_SUBDIR))
118  LINUX_SUBTARGET_CONFIG = $(call find_kernel_config,$(PLATFORM_SUBDIR))
119endif
120
121# config file list used for compiling
122LINUX_KCONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG) $(TOPDIR)/env/kernel-config)
123
124# default config list for reconfiguring
125# defaults to subtarget if subtarget exists and target does not
126# defaults to target otherwise
127USE_SUBTARGET_CONFIG = $(if $(wildcard $(LINUX_TARGET_CONFIG)),,$(if $(LINUX_SUBTARGET_CONFIG),1))
128
129LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG)))
130LINUX_RECONFIG_TARGET = $(if $(USE_SUBTARGET_CONFIG),$(LINUX_SUBTARGET_CONFIG),$(LINUX_TARGET_CONFIG))
131
132# select the config file to be cahnged by kernel_menuconfig/kernel_oldconfig
133ifeq ($(CONFIG_TARGET),platform)
134  LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG))
135  LINUX_RECONFIG_TARGET = $(LINUX_TARGET_CONFIG)
136endif
137ifeq ($(CONFIG_TARGET),subtarget)
138  LINUX_RECONFIG_LIST = $(wildcard $(GENERIC_LINUX_CONFIG) $(LINUX_TARGET_CONFIG) $(LINUX_SUBTARGET_CONFIG))
139  LINUX_RECONFIG_TARGET = $(LINUX_SUBTARGET_CONFIG)
140endif
141ifeq ($(CONFIG_TARGET),env)
142  LINUX_RECONFIG_LIST = $(LINUX_KCONFIG_LIST)
143  LINUX_RECONFIG_TARGET = $(TOPDIR)/env/kernel-config
144endif
145
146__linux_confcmd = $(SCRIPT_DIR)/kconfig.pl $(2) $(patsubst %,+,$(wordlist 2,9999,$(1))) $(1)
147
148LINUX_CONF_CMD = $(call __linux_confcmd,$(LINUX_KCONFIG_LIST),)
149LINUX_RECONF_CMD = $(call __linux_confcmd,$(LINUX_RECONFIG_LIST),)
150LINUX_RECONF_DIFF = $(call __linux_confcmd,$(filter-out $(LINUX_RECONFIG_TARGET),$(LINUX_RECONFIG_LIST)),'>')
151
152ifeq ($(DUMP),1)
153  BuildTarget=$(BuildTargets/DumpCurrent)
154
155  ifneq ($(BOARD),)
156    TMP_CONFIG:=$(TMP_DIR)/.kconfig-$(call target_conf,$(TARGETID))
157    $(TMP_CONFIG): $(LINUX_KCONFIG_LIST)
158        $(LINUX_CONF_CMD) > $@ || rm -f $@
159    -include $(TMP_CONFIG)
160    .SILENT: $(TMP_CONFIG)
161    .PRECIOUS: $(TMP_CONFIG)
162
163    ifneq ($(CONFIG_GENERIC_GPIO),)
164      FEATURES += gpio
165    endif
166    ifneq ($(CONFIG_PCI),)
167      FEATURES += pci
168    endif
169    ifneq ($(CONFIG_PCIEPORTBUS),)
170      FEATURES += pcie
171    endif
172    ifneq ($(CONFIG_USB)$(CONFIG_USB_SUPPORT),)
173      ifneq ($(CONFIG_USB_ARCH_HAS_HCD)$(CONFIG_USB_EHCI_HCD),)
174        FEATURES += usb
175      endif
176    endif
177    ifneq ($(CONFIG_PCMCIA)$(CONFIG_PCCARD),)
178      FEATURES += pcmcia
179    endif
180    ifneq ($(CONFIG_VGA_CONSOLE)$(CONFIG_FB),)
181      FEATURES += display
182    endif
183
184    # remove duplicates
185    FEATURES:=$(sort $(FEATURES))
186  endif
187  DEFAULT_CFLAGS_i386=-O2 -pipe -march=i486 -fno-caller-saves
188  DEFAULT_CFLAGS_x86_64=-O2 -pipe -march=athlon64 -fno-caller-saves
189  DEFAULT_CFLAGS_m68k=-Os -pipe -mcfv4e -fno-caller-saves
190  DEFAULT_CFLAGS_mips=-Os -pipe -mips32 -mtune=mips32 -fno-caller-saves
191  DEFAULT_CFLAGS_mipsel=$(DEFAULT_CFLAGS_mips)
192  DEFAULT_CFLAGS_mips64=-Os -pipe -mips64 -mtune=mips64 -mabi=64 -fno-caller-saves
193  DEFAULT_CFLAGS_mips64el=$(DEFAULT_CFLAGS_mips64)
194  DEFAULT_CFLAGS_sparc=-Os -pipe -mcpu=ultrasparc -fno-caller-saves
195  DEFAULT_CFLAGS_arm=-Os -pipe -march=armv5te -mtune=xscale -fno-caller-saves
196  DEFAULT_CFLAGS_armeb=$(DEFAULT_CFLAGS_arm)
197  DEFAULT_CFLAGS=$(if $(DEFAULT_CFLAGS_$(ARCH)),$(DEFAULT_CFLAGS_$(ARCH)),-Os -pipe -fno-caller-saves)
198endif
199
200define BuildTargets/DumpCurrent
201  .PHONY: dumpinfo
202  dumpinfo:
203    @echo 'Target: $(TARGETID)'; \
204     echo 'Target-Board: $(BOARD)'; \
205     echo 'Target-Name: $(BOARDNAME)$(if $(SUBTARGETS),$(if $(SUBTARGET),))'; \
206     echo 'Target-Path: $(subst $(TOPDIR)/,,$(PWD))'; \
207     echo 'Target-Arch: $(ARCH)'; \
208     echo 'Target-Arch-Packages: $(if $(ARCH_PACKAGES),$(ARCH_PACKAGES),$(BOARD))'; \
209     echo 'Target-Features: $(FEATURES)'; \
210     echo 'Target-Depends: $(DEPENDS)'; \
211     echo 'Target-Optimization: $(if $(CFLAGS),$(CFLAGS),$(DEFAULT_CFLAGS))'; \
212     echo 'Linux-Version: $(LINUX_VERSION)'; \
213     echo 'Linux-Release: $(LINUX_RELEASE)'; \
214     echo 'Linux-Kernel-Arch: $(LINUX_KARCH)'; \
215     echo 'Target-Description:'; \
216     $(SH_FUNC) getvar $(call shvar,Target/Description); \
217     echo '@@'; \
218     echo 'Default-Packages: $(DEFAULT_PACKAGES)'; \
219     $(DUMPINFO)
220    $(if $(SUBTARGET),,@$(foreach SUBTARGET,$(SUBTARGETS),$(SUBMAKE) -s DUMP=1 SUBTARGET=$(SUBTARGET); ))
221endef
222
223include $(INCLUDE_DIR)/kernel.mk
224ifeq ($(TARGET_BUILD),1)
225  include $(INCLUDE_DIR)/kernel-build.mk
226  BuildTarget?=$(BuildKernel)
227endif
228
229endif #__target_inc
230

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