X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=config.mk;h=6282919482bc8b8cc7c879e44e3814858573fa9a;hb=47e3a872c51e211154562621ce51aa8620688a0f;hp=7bc7315d5d28e62185faa5a4d441e144b363de4b;hpb=1aada9cd643567d351667138851e9231ccfa245a;p=karo-tx-uboot.git diff --git a/config.mk b/config.mk index 7bc7315d5d..6282919482 100644 --- a/config.mk +++ b/config.mk @@ -1,228 +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 $(obj)) -else -obj := -src := endif - -# clean the slate ... -PLATFORM_RELFLAGS = -PLATFORM_CPPFLAGS = -PLATFORM_LDFLAGS = - -######################################################################### - -ifeq ($(HOSTOS),darwin) -HOSTCC = cc -else -HOSTCC = gcc +BOARD := $(CONFIG_SYS_BOARD:"%"=%) +ifneq ($(CONFIG_SYS_VENDOR),) +VENDOR := $(CONFIG_SYS_VENDOR:"%"=%) +endif +ifneq ($(CONFIG_SYS_SOC),) +SOC := $(CONFIG_SYS_SOC:"%"=%) endif -HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -HOSTSTRIP = strip - -######################################################################### -# -# 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 = $(CROSS_COMPILE)RANLIB -######################################################################### +# Some architecture config.mk files need to know what CPUDIR is set to, +# so calculate CPUDIR before including ARCH/SOC/CPU config.mk files. +# Check if arch/$ARCH/cpu/$CPU exists, otherwise assume arch/$ARCH/cpu contains +# CPU-specific code. +CPUDIR=arch/$(ARCH)/cpu$(if $(CPU),/$(CPU),) -# Load generated board configuration -sinclude $(OBJTREE)/include/autoconf.mk +sinclude $(srctree)/arch/$(ARCH)/config.mk # include architecture dependend rules +sinclude $(srctree)/$(CPUDIR)/config.mk # include CPU specific rules -ifdef ARCH -sinclude $(TOPDIR)/lib_$(ARCH)/config.mk # include architecture dependend rules -endif -ifdef CPU -sinclude $(TOPDIR)/cpu/$(CPU)/config.mk # include CPU specific rules -endif ifdef SOC -sinclude $(TOPDIR)/cpu/$(CPU)/$(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=$(TEXT_BASE) -endif - -ifneq ($(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 += $(call cc-option,-fno-stack-protector) - -# avoid trigraph warnings while parsing pci.h (produced by NIOS gcc-2.9) -# this option have to be placed behind -Wall -- that's why it is here -ifeq ($(ARCH),nios) -ifeq ($(findstring 2.9,$(shell $(CC) --version)),2.9) -CFLAGS := $(CPPFLAGS) -Wall -Wno-trigraphs -endif -endif - -# $(CPPFLAGS) sets -g, which causes gcc to pass a suitable -g -# option to the assembler. -AFLAGS_DEBUG := - -# turn jbsr into jsr for m68k -ifeq ($(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 $(TEXT_BASE) +ifdef FTRACE +PLATFORM_CPPFLAGS += -finstrument-functions -DFTRACE endif -# Special flags for CPP when processing the linker script -# Linker versions prior to 2.16 don't understand the builting -# functions SORT_BY_ALIGNMENT() and SORT_BY_NAME(), so disable these -ifeq ($(shell $(LD) -v | \ - sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\) .*/[ \1 -lt 2 ] || [ \2 -lt 16 ] \&\& echo old_ld/p' | \ - sh),old_ld) -LDPPFLAGS += -D'SORT_BY_ALIGNMENT(x)=x' -D'SORT_BY_NAME(x)=x' -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 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 := $(notdir $(CURDIR)) -$(obj)%.s: %.S - $(CPP) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< -$(obj)%.o: %.S - $(CC) $(AFLAGS) $(AFLAGS_$(@F)) $(AFLAGS_$(BCURDIR)) -o $@ $< -c -$(obj)%.o: %.c - $(CC) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c -$(obj)%.i: %.c - $(CPP) $(CFLAGS) $(CFLAGS_$(@F)) $(CFLAGS_$(BCURDIR)) -o $@ $< -c -$(obj)%.s: %.c - $(CC) $(CFLAGS) $(CFLAGS_$(@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