mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
75 lines
2.2 KiB
Makefile
75 lines
2.2 KiB
Makefile
#
|
|
# (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
|
|
#
|
|
|
|
CROSS_COMPILE ?= arm-linux-
|
|
|
|
ifndef CONFIG_STANDALONE_LOAD_ADDR
|
|
ifeq ($(SOC),omap3)
|
|
CONFIG_STANDALONE_LOAD_ADDR = 0x80300000
|
|
else
|
|
CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
|
|
endif
|
|
endif
|
|
|
|
PLATFORM_CPPFLAGS += -DCONFIG_ARM -D__ARM__
|
|
|
|
# Explicitly specifiy 32-bit ARM ISA since toolchain default can be -mthumb:
|
|
PLATFORM_CPPFLAGS += $(call cc-option,-marm,)
|
|
|
|
# Try if EABI is supported, else fall back to old API,
|
|
# i. e. for example:
|
|
# - with ELDK 4.2 (EABI supported), use:
|
|
# -mabi=aapcs-linux -mno-thumb-interwork
|
|
# - with ELDK 4.1 (gcc 4.x, no EABI), use:
|
|
# -mabi=apcs-gnu -mno-thumb-interwork
|
|
# - with ELDK 3.1 (gcc 3.x), use:
|
|
# -mapcs-32 -mno-thumb-interwork
|
|
PLATFORM_CPPFLAGS += $(call cc-option,\
|
|
-mabi=aapcs-linux -mno-thumb-interwork,\
|
|
$(call cc-option,\
|
|
-mapcs-32,\
|
|
$(call cc-option,\
|
|
-mabi=apcs-gnu,\
|
|
)\
|
|
) $(call cc-option,-mno-thumb-interwork,)\
|
|
)
|
|
|
|
# For EABI, make sure to provide raise()
|
|
ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
|
|
# This file is parsed several times; make sure to add only once.
|
|
ifeq (,$(findstring arch/arm/lib/eabi_compat.o,$(PLATFORM_LIBS)))
|
|
PLATFORM_LIBS += $(OBJTREE)/arch/arm/lib/eabi_compat.o
|
|
endif
|
|
endif
|
|
|
|
ifdef CONFIG_SYS_LDSCRIPT
|
|
# need to strip off double quotes
|
|
LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
|
|
else
|
|
LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds
|
|
endif
|
|
|
|
# needed for relocation
|
|
ifndef CONFIG_NAND_SPL
|
|
LDFLAGS_u-boot += -pie
|
|
endif
|