X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=config.mk;h=4c4551828f42f98145b5ddbde346dab2ffbcadc7;hp=9099c1111e42e40623a2fb0bf5a1d0fdc0bad472;hb=3b7891f1498f77e7df66b7955accb946e9eb6037;hpb=82dda962f0a6449672df3378bb6b5fe54372a927 diff --git a/config.mk b/config.mk index 9099c1111e..4c4551828f 100644 --- a/config.mk +++ b/config.mk @@ -1,28 +1,18 @@ # -# (C) Copyright 2000-2006 +# (C) Copyright 2000-2013 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # -# See file CREDITS for list of people who contributed to this -# project. +# SPDX-License-Identifier: GPL-2.0+ # -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - ######################################################################### +# Set shell to bash if possible, otherwise fall back to sh +SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ + else if [ -x /bin/bash ]; then echo /bin/bash; \ + else echo sh; fi; fi) + +export SHELL + ifeq ($(CURDIR),$(SRCTREE)) dir := else @@ -129,6 +119,7 @@ endif # Usage gcc-ver := $(call cc-version) cc-version = $(shell $(SHELL) $(SRCTREE)/tools/gcc-version.sh $(CC)) binutils-version = $(shell $(SHELL) $(SRCTREE)/tools/binutils-version.sh $(AS)) +dtc-version = $(shell $(SHELL) $(SRCTREE)/tools/dtc-version.sh $(DTC)) # # Include the make variables (CC, etc...) @@ -149,6 +140,7 @@ OBJCOPY = $(CROSS_COMPILE)objcopy OBJDUMP = $(CROSS_COMPILE)objdump RANLIB = $(CROSS_COMPILE)RANLIB DTC = dtc +CHECK = sparse ######################################################################### @@ -194,7 +186,7 @@ OBJCFLAGS += --gap-fill=0xff gccincdir := $(shell $(CC) -print-file-name=include) CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ - -D__KERNEL__ -DCONFIG_SERIAL_MULTI + -D__KERNEL__ # Enable garbage collection of un-used sections for SPL ifeq ($(CONFIG_SPL_BUILD),y) @@ -202,6 +194,15 @@ CPPFLAGS += -ffunction-sections -fdata-sections LDFLAGS_FINAL += --gc-sections endif +# TODO(sjg@chromium.org): Is this correct on Mac OS? +ifdef CONFIG_FIT_SIGNATURE +HOSTLIBS += -lssl -lcrypto + +# This affects include/image.h, but including the board config file +# is tricky, so manually define this options here. +HOSTCFLAGS += -DCONFIG_FIT_SIGNATURE +endif + ifneq ($(CONFIG_SYS_TEXT_BASE),) CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) endif @@ -214,10 +215,22 @@ ifneq ($(CONFIG_SPL_PAD_TO),) CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO) endif +ifneq ($(CONFIG_UBOOT_PAD_TO),) +CPPFLAGS += -DCONFIG_UBOOT_PAD_TO=$(CONFIG_UBOOT_PAD_TO) +endif + ifeq ($(CONFIG_SPL_BUILD),y) CPPFLAGS += -DCONFIG_SPL_BUILD endif +# Does this architecture support generic board init? +ifeq ($(__HAVE_ARCH_GENERIC_BOARD),) +ifneq ($(CONFIG_SYS_GENERIC_BOARD),) +CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \ +Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file) +endif +endif + ifneq ($(RESET_VECTOR_ADDRESS),) CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) endif @@ -230,25 +243,38 @@ CPPFLAGS += -I$(TOPDIR)/include CPPFLAGS += -fno-builtin -ffreestanding -nostdinc \ -isystem $(gccincdir) -pipe $(PLATFORM_CPPFLAGS) -ifdef BUILD_TAG -CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes \ - -DBUILD_TAG='"$(BUILD_TAG)"' -else CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes + +ifdef BUILD_TAG +CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' endif CFLAGS_SSP := $(call cc-option,-fno-stack-protector) -CFLAGS += $(CFLAGS_SSP) + # Some toolchains enable security related warning flags by default, # but they don't make much sense in the u-boot world, so disable them. CFLAGS_WARN := $(call cc-option,-Wno-format-nonliteral) \ $(call cc-option,-Wno-format-security) -CFLAGS += $(CFLAGS_WARN) + +CFLAGS := $(CFLAGS_SSP) $(CFLAGS_WARN) $(CPPFLAGS) -Wall -Wstrict-prototypes +ifdef BUILD_TAG + CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' +endif # Report stack usage if supported CFLAGS_STACK := $(call cc-option,-fstack-usage) CFLAGS += $(CFLAGS_STACK) +BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) + +ifeq ($(findstring examples/,$(BCURDIR)),) +ifeq ($(CONFIG_SPL_BUILD),) +ifdef FTRACE +CFLAGS += -finstrument-functions -DFTRACE +endif +endif +endif + # $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g # option to the assembler. AFLAGS_DEBUG := @@ -275,6 +301,10 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),) LDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE) endif +# Linus' kernel sanity checking tool +CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ + -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF) + # Location of a usable BFD library, where we define "usable" as # "built for ${HOST}, supports ${TARGET}". Sensible values are # - When cross-compiling: the root of the cross-environment @@ -307,7 +337,6 @@ export CONFIG_SYS_TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS ######################################################################### # Allow boards to use custom optimize flags on a per dir/file basis -BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) ALL_AFLAGS = $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) ALL_CFLAGS = $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) EXTRA_CPPFLAGS = $(CPPFLAGS_$(BCURDIR)/$(@F)) $(CPPFLAGS_$(BCURDIR)) @@ -322,6 +351,9 @@ $(obj)%.s: %.S $(obj)%.o: %.S $(CC) $(ALL_AFLAGS) -o $@ $< -c $(obj)%.o: %.c +ifneq ($(CHECKSRC),0) + $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $< +endif $(CC) $(ALL_CFLAGS) -o $@ $< -c $(obj)%.i: %.c $(CPP) $(ALL_CFLAGS) -o $@ $< -c