FreeCalypso > hg > freecalypso-sw

changeset 47:53b8d61c16a0

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toolchain: -mthumb-interwork multilib enabled, matching OsmocomBB's version
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 22 Jun 2013 23:36:22 +0000
parents eb97cfe5e31a
children 38664e0b7c32
files toolchain/build+install.sh toolchain/clean.sh toolchain/t-arm-elf
diffstat 3 files changed, 141 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/toolchain/build+install.sh	Wed Jun 19 06:41:08 2013 +0000
+++ b/toolchain/build+install.sh	Sat Jun 22 23:36:22 2013 +0000
@@ -47,6 +47,9 @@
 tar xjf $1/gcc-core-${gcc_version}.tar.bz2
 tar xzf $1/newlib-${newlib_version}.tar.gz
 
+# patch gcc as needed
+cp t-arm-elf gcc-${gcc_version}/gcc/config/arm
+
 # gcc depends on binutils - add our install destination dir to the PATH
 # we prepend it to avoid surprises if some other arm-elf- toolchain
 # happens to be present already
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolchain/clean.sh	Sat Jun 22 23:36:22 2013 +0000
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -ex
+rm -rf binutils-2.21.1
+rm -rf binutils-build
+rm -rf gcc-4.5.4
+rm -rf gcc-build
+rm -rf newlib-2.0.0
+rm -rf newlib-build
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolchain/t-arm-elf	Sat Jun 22 23:36:22 2013 +0000
@@ -0,0 +1,130 @@
+# This is a modified version of the gcc/config/arm/t-arm-elf file
+# from gcc-4.5.4.  It has been modified by Spacefalcon the Outlaw
+# for the FreeCalypso project; the changes are in the multilib
+# configuration:
+#
+# a) The fpu multilib has been commented out
+# b) The -mthumb-interwork multilib has been uncommented
+
+# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+# 2008 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC 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 3, or (at your option)
+# any later version.
+#
+# GCC 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 GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# For most CPUs we have an assembly soft-float implementations.
+# However this is not true for ARMv6M.  Here we want to use the soft-fp C
+# implementation.  The soft-fp code is only build for ARMv6M.  This pulls
+# in the asm implementation for other CPUs.
+LIB1ASMFUNCS += _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func \
+	_call_via_rX _interwork_call_via_rX \
+	_lshrdi3 _ashrdi3 _ashldi3 \
+	_arm_negdf2 _arm_addsubdf3 _arm_muldivdf3 _arm_cmpdf2 _arm_unorddf2 \
+	_arm_fixdfsi _arm_fixunsdfsi \
+	_arm_truncdfsf2 _arm_negsf2 _arm_addsubsf3 _arm_muldivsf3 \
+	_arm_cmpsf2 _arm_unordsf2 _arm_fixsfsi _arm_fixunssfsi \
+	_arm_floatdidf _arm_floatdisf _arm_floatundidf _arm_floatundisf \
+	_clzsi2 _clzdi2 
+
+MULTILIB_OPTIONS     = marm/mthumb
+MULTILIB_DIRNAMES    = arm thumb
+MULTILIB_EXCEPTIONS  = 
+MULTILIB_MATCHES     =
+
+#MULTILIB_OPTIONS      += march=armv7
+#MULTILIB_DIRNAMES     += thumb2
+#MULTILIB_EXCEPTIONS   += march=armv7* marm/*march=armv7*
+#MULTILIB_MATCHES      += march?armv7=march?armv7-a
+#MULTILIB_MATCHES      += march?armv7=march?armv7-r
+#MULTILIB_MATCHES      += march?armv7=march?armv7-m
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-a8
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-r4
+#MULTILIB_MATCHES      += march?armv7=mcpu?cortex-m3
+
+# Not quite true.  We can support hard-vfp calling in Thumb2, but how do we
+# express that here?  Also, we really need architecture v5e or later
+# (mcrr etc).
+# MULTILIB_OPTIONS       += mfloat-abi=hard
+# MULTILIB_DIRNAMES      += fpu
+# MULTILIB_EXCEPTIONS    += *mthumb/*mfloat-abi=hard*
+
+# MULTILIB_OPTIONS    += mcpu=ep9312
+# MULTILIB_DIRNAMES   += ep9312
+# MULTILIB_EXCEPTIONS += *mthumb/*mcpu=ep9312*
+# 	
+# MULTILIB_OPTIONS     += mlittle-endian/mbig-endian
+# MULTILIB_DIRNAMES    += le be
+# MULTILIB_MATCHES     += mbig-endian=mbe mlittle-endian=mle
+# 
+# MULTILIB_OPTIONS    += mhard-float/msoft-float
+# MULTILIB_DIRNAMES   += fpu soft
+# MULTILIB_EXCEPTIONS += *mthumb/*mhard-float*
+# 
+MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES   += normal interwork
+# 
+# MULTILIB_OPTIONS    += fno-leading-underscore/fleading-underscore
+# MULTILIB_DIRNAMES   += elf under
+# 
+# MULTILIB_OPTIONS    += mcpu=arm7
+# MULTILIB_DIRNAMES   += nofmult
+# MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=arm7*
+# # Note: the multilib_exceptions matches both -mthumb and
+# # -mthumb-interwork
+# #
+# # We have to match all the arm cpu variants which do not have the
+# # multiply instruction and treat them as if the user had specified
+# # -mcpu=arm7.  Note that in the following the ? is interpreted as
+# # an = for the purposes of matching command line options.
+# # FIXME: There ought to be a better way to do this.
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7d
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7di
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm70
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm700i
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm710c
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7100
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm7500fe
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm6
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm60
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm600
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm610
+# MULTILIB_MATCHES    += mcpu?arm7=mcpu?arm620
+
+EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
+# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
+# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
+
+# Currently there is a bug somewhere in GCC's alias analysis
+# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
+# Disabling function inlining is a workaround for this problem.
+TARGET_LIBGCC2_CFLAGS = -fno-inline
+
+# Assemble startup files.
+$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
+
+$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
+