2006-11-08 Jie Zhang <jzhang918@gmail.com>
* bfin/configure.in: New. * bfin/crt0.S: New. * bfin/Makefile.in: New. * bfin/syscalls.c: New. * bfin/aclocal.m4: Generate. * bfin/configure: Ditto. * configure.in: Add support for bfin-*-*. * configure: Regenerate. * syscall.h (SYS_argc): Define. (SYS_argnlen): Define. (SYS_argn): Define.
This commit is contained in:
parent
292f8e2328
commit
c0977673ac
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@ -1,3 +1,17 @@
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2006-11-08 Jie Zhang <jzhang918@gmail.com>
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* bfin/configure.in: New.
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* bfin/crt0.S: New.
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* bfin/Makefile.in: New.
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* bfin/syscalls.c: New.
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* bfin/aclocal.m4: Generate.
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* bfin/configure: Ditto.
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* configure.in: Add support for bfin-*-*.
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* configure: Regenerate.
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* syscall.h (SYS_argc): Define.
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(SYS_argnlen): Define.
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(SYS_argn): Define.
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2006-10-10 Thiemo Seufer <ths@mips.com>
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* mips/Makefile.in: Add INCLUDES to local compile rules.
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@ -0,0 +1,102 @@
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#
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#
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DESTDIR =
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VPATH = @srcdir@ @srcdir@/..
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srcdir = @srcdir@
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objdir = .
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srcroot = $(srcdir)/../..
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objroot = $(objdir)/../..
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prefix = @prefix@
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exec_prefix = @exec_prefix@
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host_alias = @host_alias@
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target_alias = @target_alias@
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bindir = @bindir@
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libdir = @libdir@
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tooldir = $(exec_prefix)/$(target_alias)
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INSTALL = @INSTALL@
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INSTALL_PROGRAM = @INSTALL_PROGRAM@
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INSTALL_DATA = @INSTALL_DATA@
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# Multilib support variables.
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# TOP is used instead of MULTI{BUILD,SRC}TOP.
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MULTIDIRS =
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MULTISUBDIR =
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SHELL = /bin/sh
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CC = @CC@
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AS = @AS@
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AR = @AR@
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LD = @LD@
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RANLIB = @RANLIB@
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OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \
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then echo ${objroot}/../binutils/objdump ; \
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else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi`
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OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \
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then echo ${objroot}/../binutils/objcopy ; \
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else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi`
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OBJS =
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CFLAGS =
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SCRIPTS =
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# Here is all of the simulator stuff
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SIM_SCRIPTS =
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SIM_LDFLAGS =
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SIM_BSP = libsim.a
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SIM_CRT0 = crt0.o
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SIM_OBJS = syscalls.o
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SIM_TEST = sim-test
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SIM_INSTALL = install-sim
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# Host specific makefile fragment comes in here.
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@host_makefile_frag@
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#
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# build a test program for each target board. Just trying to get
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# it to link is a good test, so we ignore all the errors for now.
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#
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all: ${SIM_CRT0} ${SIM_BSP}
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#
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# here's where we build the board support packages for each target
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#
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${SIM_BSP}: ${OBJS} ${SIM_OBJS}
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${AR} ${ARFLAGS} ${SIM_BSP} ${SIM_OBJS} ${OBJS}
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${RANLIB} ${SIM_BSP}
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#
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#
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#
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.c.S:
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${CC} ${CFLAGS_FOR_TARGET} -c $<
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clean mostlyclean:
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rm -f a.out core *.i *.o $(SIM_BSP)
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distclean maintainer-clean realclean: clean
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rm -f Makefile config.status *~
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.PHONY: install info install-info clean-info
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install: ${SIM_INSTALL}
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install-sim:
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set -e; for x in ${SIM_CRT0} ${SIM_BSP} ${SIM_SCRIPTS}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done
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doc:
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info:
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install-info:
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clean-info:
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Makefile: Makefile.in config.status @host_makefile_frag_path@
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$(SHELL) config.status
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config.status: configure
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$(SHELL) config.status --recheck
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@ -0,0 +1,344 @@
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# generated automatically by aclocal 1.9.5 -*- Autoconf -*-
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# 2005 Free Software Foundation, Inc.
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# This file is free software; the Free Software Foundation
|
||||
# gives unlimited permission to copy and/or distribute it,
|
||||
# with or without modifications, as long as this notice is preserved.
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||||
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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# This file is free software; the Free Software Foundation
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||||
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||||
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|
||||
# with or without modifications, as long as this notice is preserved.
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||||
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||||
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|
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
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||||
# When given -MP, icc 7.0 and 7.1 complain thusly:
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# icc: Command line warning: ignoring option '-M'; no argument required
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# icc: Command line remark: option '-MP' not supported
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||||
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||||
grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else
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am_cv_$1_dependencies_compiler_type=$depmode
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cd ..
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rm -rf conftest.dir
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am_cv_$1_dependencies_compiler_type=none
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||||
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||||
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||||
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|
||||
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||||
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# gives unlimited permission to copy and/or distribute it,
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||||
# with or without modifications, as long as this notice is preserved.
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||||
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||||
# If we don't find an include directive, just comment out the code.
|
||||
AC_MSG_CHECKING([for style of include used by $am_make])
|
||||
am__include="#"
|
||||
am__quote=
|
||||
_am_result=none
|
||||
# First try GNU make style include.
|
||||
echo "include confinc" > confmf
|
||||
# We grep out `Entering directory' and `Leaving directory'
|
||||
# messages which can occur if `w' ends up in MAKEFLAGS.
|
||||
# In particular we don't look at `^make:' because GNU make might
|
||||
# be invoked under some other name (usually "gmake"), in which
|
||||
# case it prints its new name instead of `make'.
|
||||
if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
|
||||
am__include=include
|
||||
am__quote=
|
||||
_am_result=GNU
|
||||
fi
|
||||
# Now try BSD make style include.
|
||||
if test "$am__include" = "#"; then
|
||||
echo '.include "confinc"' > confmf
|
||||
if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
|
||||
am__include=.include
|
||||
am__quote="\""
|
||||
_am_result=BSD
|
||||
fi
|
||||
fi
|
||||
AC_SUBST([am__include])
|
||||
AC_SUBST([am__quote])
|
||||
AC_MSG_RESULT([$_am_result])
|
||||
rm -f confinc confmf
|
||||
])
|
||||
|
||||
m4_include([../acinclude.m4])
|
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,54 @@
|
|||
dnl Process this file with autoconf to produce a configure script.
|
||||
AC_PREREQ(2.59)
|
||||
AC_INIT(crt0.S)
|
||||
|
||||
if test "${enable_shared}" = "yes" ; then
|
||||
echo "Shared libraries not supported for cross compiling, ignored"
|
||||
fi
|
||||
|
||||
if test "$srcdir" = "." ; then
|
||||
if test "${with_target_subdir}" != "." ; then
|
||||
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
|
||||
else
|
||||
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
|
||||
fi
|
||||
else
|
||||
libgloss_topdir="${srcdir}/../.."
|
||||
fi
|
||||
AC_CONFIG_AUX_DIR($libgloss_topdir)
|
||||
|
||||
AC_CANONICAL_SYSTEM
|
||||
AC_ARG_PROGRAM
|
||||
|
||||
AC_PROG_INSTALL
|
||||
|
||||
LIB_AC_PROG_CC
|
||||
AS=${AS-as}
|
||||
AC_SUBST(AS)
|
||||
AR=${AR-ar}
|
||||
AC_SUBST(AR)
|
||||
LD=${LD-ld}
|
||||
AC_SUBST(LD)
|
||||
AC_PROG_RANLIB
|
||||
LIB_AM_PROG_AS
|
||||
|
||||
host_makefile_frag=${srcdir}/../config/default.mh
|
||||
|
||||
dnl We have to assign the same value to other variables because autoconf
|
||||
dnl doesn't provide a mechanism to substitute a replacement keyword with
|
||||
dnl arbitrary data or pathnames.
|
||||
dnl
|
||||
host_makefile_frag_path=$host_makefile_frag
|
||||
AC_SUBST(host_makefile_frag_path)
|
||||
AC_SUBST_FILE(host_makefile_frag)
|
||||
|
||||
AC_CONFIG_FILES(Makefile,
|
||||
. ${libgloss_topdir}/config-ml.in,
|
||||
srcdir=${srcdir}
|
||||
target=${target}
|
||||
with_multisubdir=${with_multisubdir}
|
||||
ac_configure_args="${ac_configure_args} --enable-multilib"
|
||||
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
||||
libgloss_topdir=${libgloss_topdir}
|
||||
)
|
||||
AC_OUTPUT
|
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* crt0.S for the Blackfin processor
|
||||
*
|
||||
* Copyright (C) 2006 Analog Devices, Inc.
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
.text
|
||||
.align 2
|
||||
|
||||
.global __start
|
||||
__start:
|
||||
|
||||
/* Start by setting up a stack */
|
||||
link 0xc;
|
||||
/* Zero the memory in the .bss section. */
|
||||
|
||||
p0.l = __edata;
|
||||
p0.h = __edata;
|
||||
p1.l = __end;
|
||||
p1.h = __end;
|
||||
p1 -= p0;
|
||||
r0 = 0;
|
||||
lsetup (L$L$clear_bss, L$L$clear_bss) lc0 = p1;
|
||||
L$L$clear_bss:
|
||||
B [p0++] = r0;
|
||||
|
||||
#ifdef __BFIN_FDPIC__
|
||||
/* Set up GOT pointer. */
|
||||
P0.L = __ROFIXUP_END__;
|
||||
P0.H = __ROFIXUP_END__;
|
||||
P4 = [P0 - 4];
|
||||
#endif
|
||||
|
||||
/* Need to set up standard file handles */
|
||||
/* Parse string at r1 */
|
||||
|
||||
p0.l = __init;
|
||||
p0.h = __init;
|
||||
P3 = P4;
|
||||
call (p0)
|
||||
|
||||
p0.l = _atexit;
|
||||
p0.h = _atexit;
|
||||
#ifdef __BFIN_FDPIC__
|
||||
r0 = [P4 + __fini@FUNCDESC_GOT17M4] ;
|
||||
P3 = P4;
|
||||
#else
|
||||
r0.l = __fini;
|
||||
r0.h = __fini;
|
||||
#endif
|
||||
call (p0)
|
||||
|
||||
p0.l = ___setup_argv_and_call_main;
|
||||
p0.h = ___setup_argv_and_call_main;
|
||||
P3 = P4;
|
||||
call (p0)
|
||||
|
||||
p0.l = _exit;
|
||||
p0.h = _exit;
|
||||
P3 = P4;
|
||||
jump (p0) /* Should not return. */
|
||||
nop;
|
|
@ -0,0 +1,264 @@
|
|||
/*
|
||||
* C library support files for the Blackfin processor
|
||||
*
|
||||
* Copyright (C) 2006 Analog Devices, Inc.
|
||||
*
|
||||
* The authors hereby grant permission to use, copy, modify, distribute,
|
||||
* and license this software and its documentation for any purpose, provided
|
||||
* that existing copyright notices are retained in all copies and that this
|
||||
* notice is included verbatim in any distributions. No written agreement,
|
||||
* license, or royalty fee is required for any of the authorized uses.
|
||||
* Modifications to this software may be copyrighted by their authors
|
||||
* and need not follow the licensing terms described here, provided that
|
||||
* the new terms are clearly indicated on the first page of each file where
|
||||
* they apply.
|
||||
*/
|
||||
|
||||
#include <_ansi.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/fcntl.h>
|
||||
#include <stdio.h>
|
||||
#include <time.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/times.h>
|
||||
#include "syscall.h"
|
||||
#include <errno.h>
|
||||
#include <reent.h>
|
||||
#include <unistd.h>
|
||||
|
||||
register char *stack_ptr asm ("SP");
|
||||
|
||||
static inline int
|
||||
do_syscall (int reason, void *arg)
|
||||
{
|
||||
int result;
|
||||
asm volatile ("[--sp] = %1; [--sp] = %2; \
|
||||
r1 = [sp++]; r0 = [sp++]; \
|
||||
raise 0; %0 = r0;"
|
||||
: "=r" (result)
|
||||
: "r" (reason), "r" (arg)
|
||||
: "R0", "R1", "memory", "cc");
|
||||
return result;
|
||||
}
|
||||
|
||||
int
|
||||
_read (int file, char *ptr, int len)
|
||||
{
|
||||
int block[3];
|
||||
|
||||
block[0] = file;
|
||||
block[1] = (int) ptr;
|
||||
block[2] = len;
|
||||
|
||||
return do_syscall (SYS_read, block);
|
||||
}
|
||||
|
||||
int
|
||||
_lseek (int file, int ptr, int dir)
|
||||
{
|
||||
int block[2];
|
||||
|
||||
block[0] = file;
|
||||
block[1] = ptr;
|
||||
|
||||
return do_syscall (SYS_lseek, block);
|
||||
}
|
||||
|
||||
int
|
||||
_write (int file, char *ptr, int len)
|
||||
{
|
||||
int block[3];
|
||||
|
||||
block[0] = file;
|
||||
block[1] = (int) ptr;
|
||||
block[2] = len;
|
||||
|
||||
return do_syscall (SYS_write, block);
|
||||
}
|
||||
|
||||
int
|
||||
_open (const char *path, int flags)
|
||||
{
|
||||
int block[2];
|
||||
|
||||
block[0] = (int) path;
|
||||
block[1] = flags;
|
||||
|
||||
return do_syscall (SYS_open, block);
|
||||
}
|
||||
|
||||
int
|
||||
_close (int file)
|
||||
{
|
||||
return do_syscall (SYS_close, &file);
|
||||
}
|
||||
|
||||
void
|
||||
_exit (int n)
|
||||
{
|
||||
do_syscall (SYS_exit, &n);
|
||||
}
|
||||
|
||||
int
|
||||
_kill (int n, int m)
|
||||
{
|
||||
int block[2];
|
||||
|
||||
block[0] = n;
|
||||
block[1] = m;
|
||||
|
||||
return do_syscall (SYS_kill, block);
|
||||
}
|
||||
|
||||
int
|
||||
_getpid (int n)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
caddr_t
|
||||
_sbrk (int incr)
|
||||
{
|
||||
extern char end; /* Defined by the linker. */
|
||||
static char *heap_end;
|
||||
char *prev_heap_end;
|
||||
|
||||
if (heap_end == NULL)
|
||||
heap_end = &end;
|
||||
|
||||
prev_heap_end = heap_end;
|
||||
|
||||
if (heap_end + incr > stack_ptr)
|
||||
{
|
||||
/* Some of the libstdc++-v3 tests rely upon detecting
|
||||
out of memory errors, so do not abort here. */
|
||||
#if 0
|
||||
extern void abort (void);
|
||||
|
||||
_write (1, "_sbrk: Heap and stack collision\n", 32);
|
||||
|
||||
abort ();
|
||||
#else
|
||||
errno = ENOMEM;
|
||||
return (caddr_t) -1;
|
||||
#endif
|
||||
}
|
||||
|
||||
heap_end += incr;
|
||||
|
||||
return (caddr_t) prev_heap_end;
|
||||
}
|
||||
|
||||
extern void memset (struct stat *, int, unsigned int);
|
||||
|
||||
int
|
||||
_fstat (int file, struct stat * st)
|
||||
{
|
||||
memset (st, 0, sizeof (* st));
|
||||
st->st_mode = S_IFCHR;
|
||||
st->st_blksize = 1024;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int _stat (const char *fname, struct stat *st)
|
||||
{
|
||||
int file;
|
||||
|
||||
/* The best we can do is try to open the file readonly. If it exists,
|
||||
then we can guess a few things about it. */
|
||||
if ((file = _open (fname, O_RDONLY)) < 0)
|
||||
return -1;
|
||||
|
||||
memset (st, 0, sizeof (* st));
|
||||
st->st_mode = S_IFREG | S_IREAD;
|
||||
st->st_blksize = 1024;
|
||||
_close (file); /* Not interested in the error. */
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
_link (void)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
_unlink (void)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
void
|
||||
_raise (void)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
int
|
||||
_gettimeofday (struct timeval *tv, struct timezone *tz)
|
||||
{
|
||||
tv->tv_usec = 0;
|
||||
tv->tv_sec = do_syscall (SYS_time, 0);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Return a clock that ticks at 100Hz. */
|
||||
clock_t
|
||||
_times (struct tms * tp)
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
isatty (int fd)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
int
|
||||
_system (const char *s)
|
||||
{
|
||||
if (s == NULL)
|
||||
return 0;
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
}
|
||||
|
||||
int
|
||||
_rename (const char * oldpath, const char * newpath)
|
||||
{
|
||||
errno = ENOSYS;
|
||||
return -1;
|
||||
}
|
||||
|
||||
static inline int
|
||||
__setup_argv_for_main (int argc)
|
||||
{
|
||||
int block[2];
|
||||
char **argv;
|
||||
int i = argc;
|
||||
|
||||
argv = __builtin_alloca ((1 + argc) * sizeof (*argv));
|
||||
|
||||
argv[i] = NULL;
|
||||
while (i--) {
|
||||
block[0] = i;
|
||||
argv[i] = __builtin_alloca (1 + do_syscall (SYS_argnlen, (void *)block));
|
||||
block[1] = (int) argv[i];
|
||||
do_syscall (SYS_argn, (void *)block);
|
||||
}
|
||||
|
||||
return main (argc, argv);
|
||||
}
|
||||
|
||||
int
|
||||
__setup_argv_and_call_main ()
|
||||
{
|
||||
int argc = do_syscall (SYS_argc, 0);
|
||||
|
||||
if (argc <= 0)
|
||||
return main (argc, NULL);
|
||||
else
|
||||
return __setup_argv_for_main (argc);
|
||||
}
|
|
@ -286,6 +286,7 @@ ac_subdirs_all="$ac_subdirs_all mips"
|
|||
ac_subdirs_all="$ac_subdirs_all rs6000"
|
||||
ac_subdirs_all="$ac_subdirs_all mn10200"
|
||||
ac_subdirs_all="$ac_subdirs_all mn10300"
|
||||
ac_subdirs_all="$ac_subdirs_all bfin"
|
||||
ac_subdirs_all="$ac_subdirs_all cris"
|
||||
ac_subdirs_all="$ac_subdirs_all crx"
|
||||
ac_subdirs_all="$ac_subdirs_all d30v"
|
||||
|
@ -1906,6 +1907,13 @@ subdirs="$subdirs mn10200"
|
|||
|
||||
subdirs="$subdirs mn10300"
|
||||
|
||||
config_testsuite = true;
|
||||
;;
|
||||
bfin-*-*)
|
||||
|
||||
|
||||
subdirs="$subdirs bfin"
|
||||
|
||||
config_testsuite = true;
|
||||
;;
|
||||
cris-*-* | crisv32-*-*)
|
||||
|
|
|
@ -77,6 +77,10 @@ case "${target}" in
|
|||
AC_CONFIG_SUBDIRS(mn10300)
|
||||
config_testsuite = true;
|
||||
;;
|
||||
bfin-*-*)
|
||||
AC_CONFIG_SUBDIRS(bfin)
|
||||
config_testsuite = true;
|
||||
;;
|
||||
cris-*-* | crisv32-*-*)
|
||||
AC_CONFIG_SUBDIRS(cris)
|
||||
config_testsuite = true;
|
||||
|
|
|
@ -46,4 +46,9 @@
|
|||
#define SYS_gettimeofday 19
|
||||
#define SYS_times 20
|
||||
#define SYS_link 21
|
||||
|
||||
/* New ARGV support. */
|
||||
#define SYS_argc 22
|
||||
#define SYS_argnlen 23
|
||||
#define SYS_argn 24
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue