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wdenk39f0e5f2002-08-14 20:30:46 +00001#
Wolfgang Denkfa11dbe2010-11-21 16:34:05 +01002# (C) Copyright 2000-2010
wdenk39f0e5f2002-08-14 20:30:46 +00003# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4#
Wolfgang Denk1a459662013-07-08 09:37:19 +02005# SPDX-License-Identifier: GPL-2.0+
wdenk39f0e5f2002-08-14 20:30:46 +00006#
7
Masahiro Yamada9b6e2c32014-02-28 14:33:30 +09008ifeq ($(CROSS_COMPILE),)
9CROSS_COMPILE := ppc_8xx-
10endif
Mike Frysinger1ea6bcd2009-06-14 23:33:14 -040011
Wolfgang Denk8ae86b72011-02-04 14:25:17 +010012CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
Haiying Wang6dc1eceb2011-02-22 16:38:05 -050013LDFLAGS_FINAL += --gc-sections
Chris Packham039b7732014-09-10 16:03:10 +120014LDFLAGS_FINAL += --bss-plt
Rob Herring7682a992015-03-17 15:28:55 -050015PLATFORM_RELFLAGS += -fpic -mrelocatable -ffunction-sections \
16-fdata-sections -mcall-linux
17
Tom Rinib9f06b32015-10-17 08:04:11 -040018PF_CPPFLAGS_POWERPC := $(call cc-option,-fno-ira-hoist-pressure,)
19PLATFORM_CPPFLAGS += -D__powerpc__ -ffixed-r2 -m32 $(PF_CPPFLAGS_POWERPC)
Rob Herring7682a992015-03-17 15:28:55 -050020PLATFORM_LDFLAGS += -m32 -melf32ppclinux
Shinya Kuribayashi6b971c72008-08-31 05:37:04 +090021
22#
23# When cross-compiling on NetBSD, we have to define __PPC__ or else we
24# will pick up a va_list declaration that is incompatible with the
25# actual argument lists emitted by the compiler.
26#
27# [Tested on NetBSD/i386 1.5 + cross-powerpc-netbsd-1.3]
28
29ifeq ($(CROSS_COMPILE),powerpc-netbsd-)
30PLATFORM_CPPFLAGS+= -D__PPC__
31endif
32ifeq ($(CROSS_COMPILE),powerpc-openbsd-)
33PLATFORM_CPPFLAGS+= -D__PPC__
34endif
Scott Wood6ec63f42012-09-20 19:10:01 -050035
36# Only test once
37ifneq ($(CONFIG_SPL_BUILD),y)
Masahiro Yamadad57d60c2014-03-05 17:49:23 +090038archprepare: checkgcc4
39
40# GCC 3.x is reported to have problems generating the type of relocation
41# that U-Boot wants.
42# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
43checkgcc4:
44 @if test $(call cc-version) -lt 0400; then \
45 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
46 false; \
47 fi
Scott Wood6ec63f42012-09-20 19:10:01 -050048endif