X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=792cb4345047c78b5b61cddf33c58d1eb474809d;hp=e7839beceda5f7cffde15004307c3c96558dd29d;hb=9b6e2c363f2686d6f7bf61fbe58b7591b71d3e8b;hpb=412665b46134f93464c09405e02f08ac9c62526d diff --git a/arch/arm/config.mk b/arch/arm/config.mk index e7839beced..792cb43450 100644 --- a/arch/arm/config.mk +++ b/arch/arm/config.mk @@ -2,35 +2,27 @@ # (C) Copyright 2000-2002 # 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+ # -CROSS_COMPILE ?= arm-linux- +ifeq ($(CROSS_COMPILE),) +CROSS_COMPILE := arm-linux- +endif ifndef CONFIG_STANDALONE_LOAD_ADDR -ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) +ifneq ($(CONFIG_OMAP_COMMON),) CONFIG_STANDALONE_LOAD_ADDR = 0x80300000 else CONFIG_STANDALONE_LOAD_ADDR = 0xc100000 endif endif +LDFLAGS_FINAL += --gc-sections +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \ + -fno-common -ffixed-r9 +PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \ + $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,)) + # Support generic board on ARM __HAVE_ARCH_GENERIC_BOARD := y @@ -77,19 +69,12 @@ ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS))) # times. Also, the prefix needs to be different based on whether # CONFIG_SPL_BUILD is defined or not. 'filter-out' the existing entry # before adding the correct one. -ifdef CONFIG_SPL_BUILD -PLATFORM_LIBS := $(SPLTREE)/arch/arm/lib/eabi_compat.o \ - $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) -else -PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \ - $(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) -endif +PLATFORM_LIBS := arch/arm/lib/eabi_compat.o \ + $(filter-out arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS)) endif # needed for relocation -ifndef CONFIG_NAND_SPL LDFLAGS_u-boot += -pie -endif # # FIXME: binutils versions < 2.22 have a bug in the assembler where @@ -108,3 +93,29 @@ ifeq ($(GAS_BUG_12532),y) PLATFORM_RELFLAGS += -fno-optimize-sibling-calls endif endif + +ifneq ($(CONFIG_SPL_BUILD),y) +# Check that only R_ARM_RELATIVE relocations are generated. +ALL-y += checkarmreloc +# The movt / movw can hardcode 16 bit parts of the addresses in the +# instruction. Relocation is not supported for that case, so disable +# such usage by requiring word relocations. +PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations) +endif + +# limit ourselves to the sections we want in the .bin. +ifdef CONFIG_ARM64 +OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn +else +OBJCOPYFLAGS += -j .text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn +endif + +ifneq ($(CONFIG_IMX_CONFIG),) +ifdef CONFIG_SPL +ifndef CONFIG_SPL_BUILD +ALL-y += SPL +endif +else +ALL-y += u-boot.imx +endif +endif