制作arm-linux交叉编译工具ForXscaleBig-Endian

HOWTO build arm-linux toolchain for ARM/XSCALE----------------------------------------------

These instructions document how to build an arm-linux tool chainthat contains big-endian target libraries.

1. Packages used:

binutils-2.14.tar.gzgcc-3.3.2.tar.gzglibc-2.2.5.tar.gzglibc-linuxthreads-2.2.5.tar.gz

2. binutils-2.14

tar xvzf binutils-2.14.tar.gzcd binutils-2.14mkdir xscale_linux_becd xscale_linux_be../configure --target=armbe-linux --prefix=/opt/xscale_linux_be --with-lib-path=/opt/xscale_linux_be/armbe-linux/lib --program-prefix=xscale_linux_be-

makemake installchmod 777 /opt/xscale_linux_be

3. gcc-3.3.2 -- bootstrap gcc

tar xvzf gcc-3.3.2.tar.gzcd gcc-3.3.2cp $(ATTACHED t-linux file) gcc/config/arm/perl -pi -e 's/GCC_FOR_TARGET = \$\$r\/gcc\/xgcc /GCC_FOR_TARGET = \$\$r\/gcc\/xgcc -mbig-endian /g' Makefile.incd gccperl -pi -e 's/GCC_FOR_TARGET = \.\/xgcc /GCC_FOR_TARGET = \.\/xgcc -mbig-endian /g' Makefile.incd config/armperl -pi -e 's/^# MULTILIB_OPTIONS = mlittle-endian\/mbig-endian/MULTILIB_OPTIONS += mlittle-endian\/mbig-endian/' t-arm-elfperl -pi -e 's/^# MULTILIB_DIRNAMES = le be/MULTILIB_DIRNAMES += le be/' t-arm-elfperl -pi -e 's/^# MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=ml/MULTILIB_MATCHES += mbig-endian=mbe mlittle-endian=ml/' t-arm-elf

export PATH=/opt/xscale_linux_be/bin:/opt/xscale_linux_be/armbe-linux/include:$PATH

mkdir xscale_linux_becd xscale_linux_be../configure --program-prefix=xscale_linux_be- --prefix=/opt/xscale_linux_be --target=armbe-linux --disable-shared --disable-threads --with-headers=/home/john_ho/ixp422/src/snapgear/linux-2.4.x/include --with-gnu-as --with-gnu-ld --enable-multilib --enable-languages=cperl -pi -e 's/^program_transform_cross_name = s \^ \$\(target-alias\)- /program_transform_cross_name = s \^ xscale_linux_be- /g' gcc/Makefilemakemake install

4. glibc-2.2.5 (big-endian)

tar xvzf glibc-2.2.5.tar.gzcd glibc-2.2.5tar xvzf glibc-linuxthreads-2.2.5.tar.gz

perl -pi -e 's/i386/arm*)\n\tlibc_cv_gcc_unwind_find_fde=yes\n\tarch_minimum_kernel=2.0.10\n\t;;\n i386/' sysdeps/unix/sysv/linux/configureperl -pi -e 's/weak_alias \(__old_sys_nerr/\/\/ $&/' sysdeps/unix/sysv/linux/arm/errlist.cperl -pi -e 's/weak_alias \(__old_sys_nerr/\/\/ $&/' sysdeps/unix/sysv/linux/errlist.ccd sysdeps/armpatch -p0 < ../../Patch.armbe-strlen-fix

vi linuxthreads/sysdeps/pthread/pthread.h- change line 163 __thread -> "__thr"- change line 591 __thread -> "__thr"vi linuxthreads/internals.h- change line 555 __thread -> "__thr"vi linuxthreads/sysdeps/unix/sysv/linux/bits/sigthread.h- change line 36 __thread -> "__thr"vi stdio-common/sprintf.c- line 30 change to "sprintf(char *s const char *format ...)"vi stdio-common/sscanf.c- line 30 change to "sscanf(const char *s const char *format ...)"vi sysdeps/unix/sysv/linux/arm/sysdep.h- line 134 remove "a1" from clobber listvi sysdeps/arm/dl-machine.h- add '\n\' to end of all macro asm lines (there is a _lot_ of them)

vi config.make.in- change "slibdir=@...@" to "slibdir=@libdir@"vi sysdeps/unix/sysv/linux/arm/ioperm.c- add include file to avoid compile error of BUS_ISA not defined.

mkdir xscale_linux_becd xscale_linux_beexport CC="xscale_linux_be-gcc -mbig-endian -finline-limit=10000"export AR="xscale_linux_be-ar"export RANLIB="xscale_linux_be-ranlib"export LD="xscale-linux_be-ld -mbig-endian"../configure armbe-linux --target=armbe-linux --prefix=/opt/xscale_linux_be/armbe-linux --build=i686-pc-linux-gnu --with-headers=/opt/xscale_linux_be/armbe-linux/sys-include --enable-add-ons=linuxthreads --enable-sharedmakemake install

6. gcc-3.3.2 (c++ etc) full version

tar xvzf gcc-3.3.2.tar.gzcd gcc-3.3.2

cp $(ATTACHED t-linux file) gcc/config/arm/vi gcc/config/arm/t-linux - remove all "-Dinhibit_libc" occruancesperl -pi -e 's/GCC_FOR_TARGET = \$\$r\/gcc\/xgcc /GCC_FOR_TARGET = \$\$r\/gcc\/xgcc -mbig-endian /g' Makefile.incd gccperl -pi -e 's/GCC_FOR_TARGET = \.\/xgcc /GCC_FOR_TARGET = \.\/xgcc -mbig-endian /g' Makefile.incd config/armperl -pi -e 's/^# MULTILIB_OPTIONS = mlittle-endian\/mbig-endian/MULTILIB_OPTIONS += mlittle-endian\/mbig-endian/' t-arm-elfperl -pi -e 's/^# MULTILIB_DIRNAMES = le be/MULTILIB_DIRNAMES += le be/' t-arm-elfperl -pi -e 's/^# MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=ml/MULTILIB_MATCHES += mbig-endian=mbe mlittle-endian=ml/' t-arm-elf

export PATH=/opt/xscale_linux_be/bin:/opt/xscale_linux_be/armbe-linux/include:$PATH

mkdir xscale_linux_becd xscale_linux_be../configure --program-prefix=xscale_linux_be- --prefix=/opt/xscale_linux_be --target=armbe-linux --enable-multilib --with-headers=/opt/xscale_linux_be/armbe-linux/include --enable-languages=c c++perl -pi -e 's/int namelen/unsigned int namelen/' ../libjava/java/net/natInetAddress.cc[ For big-endian ]perl -pi -e 's/^CC_FOR_TARGET = \$\$r\/gcc\/xgcc/CC_FOR_TARGET = \$\$r\/gcc\/xgcc -mbig-endian /' Makefileperl -pi -e 's/\$\$r\/gcc\/ -nostdinc\+\+ /\$\$r\/gcc\/ -nostdinc++ -mbig-endian /' Makefilecd gccperl -pi -e 's/libstdc\+\+ /libstdc\+\+ -mbig-endian /' Makefile

make LDFLAGS="-mbig-endian"make install7. gdb-5.1.1

bzip2 -cd gdb-5.1.1.tar.bz2 | tar xvf -cd gdb-5.1.1mkdir xscale_linux_becd xscale_linux_be../configure --prefix=/opt/xscale_linux_be --program-prefix=xscale_linux_be- --target=armbe-linuxmakemake install

8. cd /tar cvzf /opt/xscale_linux_be-toolchain-20040511.tar.gz /opt/xscale_linux_be

------------------------------------------------------------------------------

APPENDIX A -- modified t-linux for gcc-3.3.2

------------------------------------------------------------------------------# Just for these we omit the frame pointer since it makes such a big# difference. It is then pointless adding debugging.TARGET_LIBGCC2_CFLAGS = -fomit-frame-pointer -fPIC -Dinhibit_libc -D__gthr_posixLIBGCC2_DEBUG_CFLAGS = -g0

# Don't build enquireENQUIRE=

LIB1ASMSRC = arm/lib1funcs.asmLIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx

# MULTILIB_OPTIONS = mhard-float/msoft-float# MULTILIB_DIRNAMES = hard-float soft-floatMULTILIB_OPTIONS = mlittle-endian/mbig-endianMULTILIB_DIRNAMES = le be

# If you want to build both APCS variants as multilib options this is how# to do it.# MULTILIB_OPTIONS += mapcs-32/mapcs-26# MULTILIB_DIRNAMES += apcs-32 apcs-26

EXTRA_MULTILIB_PARTS = crtbegin.o crtbeginS.o crtend.o crtendS.o crti.o crtn.o

LIBGCC = stmp-multilibINSTALL_LIBGCC = install-multilibT_CFLAGS = -Dinhibit_libc -D__gthr_posix_h

# 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------------------------------------------------------------------------------

------------------------------------------------------------------------------

APPENDIX B -- Patch.armbe-strlen-fix for glibc-2.2.5

--------------------------------------------------------------------------------- strlen.S.orig 2003-06-30 14:55:04.000000000 +0200+++ strlen.S 2003-06-30 14:58:16.000000000 +0200@@ -53 11 53 20 @@ldrne r2 [r1] $4 @ and we continue to the next wordbne Laligned @Llastword: @ drop through to here once we find a+#ifdef __ARMEB__+ tst r2 $0xff000000 @ word that has a zero byte in it+ addne r0 r0 $1 @+ tstne r2 $0x00ff0000 @ and add up to 3 bytes on to it+ addne r0 r0 $1 @+ tstne r2 $0x0000ff00 @ (if first three all non-zero 4 addne r0 r0 $1 @ must be zero)+#elsetst r2 $0x000000ff @ word that has a zero byte in itaddne r0 r0 $1 @tstne r2 $0x0000ff00 @ and add up to 3 bytes on to itaddne r0 r0 $1 @tstne r2 $0x00ff0000 @ (if first three all non-zero 4 addne r0 r0 $1 @ must be zero)+#endifRETINSTR(mov pc lr)END(strlen)