X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=config.mk;h=6282919482bc8b8cc7c879e44e3814858573fa9a;hb=47e3a872c51e211154562621ce51aa8620688a0f;hp=bcda77611a842bc5d063f4bdbb4fc8b6ce53695b;hpb=2271d3ddccfbd4a7640121669ff9b013b1fea361;p=karo-tx-uboot.git diff --git a/config.mk b/config.mk index bcda77611a..6282919482 100644 --- a/config.mk +++ b/config.mk @@ -1,261 +1,87 @@ # -# (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. -# -# 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 +# SPDX-License-Identifier: GPL-2.0+ # +######################################################################### +# This file is included from ./Makefile and spl/Makefile. +# Clean the state to avoid the same flags added twice. +# +# (Tegra needs different flags for SPL. +# That's the reason why this file must be included from spl/Makefile too. +# If we did not have Tegra SoCs, build system would be much simpler...) +PLATFORM_RELFLAGS := +PLATFORM_CPPFLAGS := +PLATFORM_LDFLAGS := +LDFLAGS := +LDFLAGS_FINAL := +OBJCOPYFLAGS := +# clear VENDOR for tcsh +VENDOR := ######################################################################### -ifneq ($(OBJTREE),$(SRCTREE)) -ifeq ($(CURDIR),$(SRCTREE)) -dir := -else -dir := $(subst $(SRCTREE)/,,$(CURDIR)) +ARCH := $(CONFIG_SYS_ARCH:"%"=%) +CPU := $(CONFIG_SYS_CPU:"%"=%) +ifdef CONFIG_SPL_BUILD +ifdef CONFIG_TEGRA +CPU := arm720t endif - -obj := $(if $(dir),$(OBJTREE)/$(dir)/,$(OBJTREE)/) -src := $(if $(dir),$(SRCTREE)/$(dir)/,$(SRCTREE)/) - -$(shell mkdir -p $(obj)) -else -obj := -src := endif - -# clean the slate ... -PLATFORM_RELFLAGS = -PLATFORM_CPPFLAGS = -PLATFORM_LDFLAGS = - -######################################################################### - -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer \ - $(HOSTCPPFLAGS) -HOSTSTRIP = strip - -# -# Mac OS X / Darwin's C preprocessor is Apple specific. It -# generates numerous errors and warnings. We want to bypass it -# and use GNU C's cpp. To do this we pass the -traditional-cpp -# option to the compiler. Note that the -traditional-cpp flag -# DOES NOT have the same semantics as GNU C's flag, all it does -# is invoke the GNU preprocessor in stock ANSI/ISO C fashion. -# -# Apple's linker is similar, thanks to the new 2 stage linking -# multiple symbol definitions are treated as errors, hence the -# -multiply_defined suppress option to turn off this error. -# - -ifeq ($(HOSTOS),darwin) -# get major and minor product version (e.g. '10' and '6' for Snow Leopard) -DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.') -DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.') - -before-snow-leopard = $(shell if [ $(DARWIN_MAJOR_VERSION) -le 10 -a \ - $(DARWIN_MINOR_VERSION) -le 5 ] ; then echo "$(1)"; else echo "$(2)"; fi ;) - -# Snow Leopards build environment has no longer restrictions as described above -HOSTCC = $(call before-snow-leopard, "cc", "gcc") -HOSTCFLAGS += $(call before-snow-leopard, "-traditional-cpp") -HOSTLDFLAGS += $(call before-snow-leopard, "-multiply_defined suppress") -else -HOSTCC = gcc +BOARD := $(CONFIG_SYS_BOARD:"%"=%) +ifneq ($(CONFIG_SYS_VENDOR),) +VENDOR := $(CONFIG_SYS_VENDOR:"%"=%) endif - -ifeq ($(HOSTOS),cygwin) -HOSTCFLAGS += -ansi +ifneq ($(CONFIG_SYS_SOC),) +SOC := $(CONFIG_SYS_SOC:"%"=%) endif -# We build some files with extra pedantic flags to try to minimize things -# that won't build on some weird host compiler -- though there are lots of -# exceptions for files that aren't complaint. - -HOSTCFLAGS_NOPED = $(filter-out -pedantic,$(HOSTCFLAGS)) -HOSTCFLAGS += -pedantic - -######################################################################### -# -# Option checker (courtesy linux kernel) to ensure -# only supported compiler options are used -# -cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \ - > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;) - -# -# Include the make variables (CC, etc...) -# -AS = $(CROSS_COMPILE)as -LD = $(CROSS_COMPILE)ld -CC = $(CROSS_COMPILE)gcc -CPP = $(CC) -E -AR = $(CROSS_COMPILE)ar -NM = $(CROSS_COMPILE)nm -LDR = $(CROSS_COMPILE)ldr -STRIP = $(CROSS_COMPILE)strip -OBJCOPY = $(CROSS_COMPILE)objcopy -OBJDUMP = $(CROSS_COMPILE)objdump -RANLIB = $(CROSS_COMPILE)RANLIB - -######################################################################### - -# Load generated board configuration -sinclude $(OBJTREE)/include/autoconf.mk - # Some architecture config.mk files need to know what CPUDIR is set to, # so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. # Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains # CPU-specific code. -CPUDIR=arch/$(ARCH)/cpu/$(CPU) -ifneq ($(SRCTREE)/$(CPUDIR),$(wildcard $(SRCTREE)/$(CPUDIR))) -CPUDIR=arch/$(ARCH)/cpu -endif +CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),) -sinclude $(TOPDIR)/arch/$(ARCH)/config.mk # include architecture dependend rules -sinclude $(TOPDIR)/$(CPUDIR)/config.mk # include CPU specific rules +sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules +sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules ifdef SOC -sinclude $(TOPDIR)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules +sinclude $(srctree)/$(CPUDIR)/$(SOC)/config.mk # include SoC specific rules endif +ifneq ($(BOARD),) ifdef VENDOR BOARDDIR = $(VENDOR)/$(BOARD) else BOARDDIR = $(BOARD) endif -ifdef BOARD -sinclude $(TOPDIR)/board/$(BOARDDIR)/config.mk # include board specific rules -endif - -######################################################################### - -ifneq (,$(findstring s,$(MAKEFLAGS))) -ARFLAGS = cr -else -ARFLAGS = crv -endif -RELFLAGS= $(PLATFORM_RELFLAGS) -DBGFLAGS= -g # -DDEBUG -OPTFLAGS= -Os #-fomit-frame-pointer -ifndef LDSCRIPT -#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug -ifeq ($(CONFIG_NAND_U_BOOT),y) -LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds -else -LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds -endif -endif -OBJCFLAGS += --gap-fill=0xff - -gccincdir := $(shell $(CC) -print-file-name=include) - -CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS) \ - -D__KERNEL__ -ifneq ($(TEXT_BASE),) -CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -endif - -ifneq ($(RESET_VECTOR_ADDRESS),) -CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS) -endif - -ifneq ($(OBJTREE),$(SRCTREE)) -CPPFLAGS += -I$(OBJTREE)/include2 -I$(OBJTREE)/include -endif - -CPPFLAGS += -I$(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 -endif - -CFLAGS += $(call cc-option,-fno-stack-protector) - -# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g -# option to the assembler. -AFLAGS_DEBUG := - -# turn jbsr into jsr for m68k -ifeq ($(ARCH),m68k) -ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) -AFLAGS_DEBUG := -Wa,-gstabs,-S endif +ifdef BOARD +sinclude $(srctree)/board/$(BOARDDIR)/config.mk # include board specific rules endif -AFLAGS := $(AFLAGS_DEBUG) -D__ASSEMBLY__ $(CPPFLAGS) - -LDFLAGS += -Bstatic -T $(obj)u-boot.lds $(PLATFORM_LDFLAGS) -ifneq ($(TEXT_BASE),) -LDFLAGS += -Ttext $(TEXT_BASE) +ifdef FTRACE +PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE endif -# Location of a usable BFD library, where we define "usable" as -# "built for ${HOST}, supports ${TARGET}". Sensible values are -# - When cross-compiling: the root of the cross-environment -# - Linux/ppc (native): /usr -# - NetBSD/ppc (native): you lose ... (must extract these from the -# binutils build directory, plus the native and U-Boot include -# files don't like each other) -# -# So far, this is used only by tools/gdb/Makefile. - -ifeq ($(HOSTOS),darwin) -BFD_ROOT_DIR = /usr/local/tools -else -ifeq ($(HOSTARCH),$(ARCH)) -# native -BFD_ROOT_DIR = /usr -else -#BFD_ROOT_DIR = /LinuxPPC/CDK # Linux/i386 -#BFD_ROOT_DIR = /usr/pkg/cross # NetBSD/i386 -BFD_ROOT_DIR = /opt/powerpc -endif +# Allow use of stdint.h if available +ifneq ($(USE_STDINT),) +PLATFORM_CPPFLAGS += -DCONFIG_USE_STDINT endif ######################################################################### -export HOSTCC HOSTCFLAGS HOSTLDFLAGS PEDCFLAGS HOSTSTRIP CROSS_COMPILE \ - AS LD CC CPP AR NM STRIP OBJCOPY OBJDUMP MAKE -export TEXT_BASE PLATFORM_CPPFLAGS PLATFORM_RELFLAGS CPPFLAGS CFLAGS AFLAGS +RELFLAGS := $(PLATFORM_RELFLAGS) -######################################################################### +OBJCOPYFLAGS += --gap-fill=0xff -# Allow boards to use custom optimize flags on a per dir/file basis -BCURDIR = $(subst $(SRCTREE)/,,$(CURDIR:$(obj)%=%)) -$(obj)%.s: %.S - $(CPP) $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) \ - -o $@ $< -$(obj)%.o: %.S - $(CC) $(AFLAGS) $(AFLAGS_$(BCURDIR)/$(@F)) $(AFLAGS_$(BCURDIR)) \ - -o $@ $< -c -$(obj)%.o: %.c - $(CC) $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ $< -c -$(obj)%.i: %.c - $(CPP) $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ $< -c -$(obj)%.s: %.c - $(CC) $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \ - -o $@ $< -c -S +PLATFORM_CPPFLAGS += $(RELFLAGS) +PLATFORM_CPPFLAGS += -pipe -######################################################################### +LDFLAGS += $(PLATFORM_LDFLAGS) +LDFLAGS_FINAL += -Bstatic + +export PLATFORM_CPPFLAGS +export RELFLAGS +export LDFLAGS_FINAL +export CONFIG_STANDALONE_LOAD_ADDR