diff options
| -rw-r--r-- | libgloss/ChangeLog | 26 | ||||
| -rw-r--r-- | libgloss/aarch64/Makefile.in | 181 | ||||
| -rw-r--r-- | libgloss/aarch64/_exit.c | 41 | ||||
| -rw-r--r-- | libgloss/aarch64/_kill.c | 49 | ||||
| -rw-r--r-- | libgloss/aarch64/aclocal.m4 | 404 | ||||
| -rwxr-xr-x | libgloss/aarch64/configure | 3894 | ||||
| -rw-r--r-- | libgloss/aarch64/configure.in | 73 | ||||
| -rw-r--r-- | libgloss/aarch64/cpu-init/Makefile.in | 110 | ||||
| -rw-r--r-- | libgloss/aarch64/cpu-init/rdimon-aem-el3.S | 167 | ||||
| -rw-r--r-- | libgloss/aarch64/crt0.S | 203 | ||||
| -rw-r--r-- | libgloss/aarch64/elf-rdimon.specs | 7 | ||||
| -rw-r--r-- | libgloss/aarch64/libcfunc.c | 91 | ||||
| -rw-r--r-- | libgloss/aarch64/svc.h | 75 | ||||
| -rw-r--r-- | libgloss/aarch64/syscalls.c | 751 | ||||
| -rwxr-xr-x | libgloss/configure | 6 | ||||
| -rw-r--r-- | libgloss/configure.in | 4 |
16 files changed, 6082 insertions, 0 deletions
diff --git a/libgloss/ChangeLog b/libgloss/ChangeLog index 09ffbe9..0997b25 100644 --- a/libgloss/ChangeLog +++ b/libgloss/ChangeLog @@ -1,3 +1,29 @@ +2012-09-26 Ian Bolton <ian.bolton@arm.com> + Jim MacArthur <jim.macarthur@arm.com> + Marcus Shawcroft <marcus.shawcroft@arm.com> + Nigel Stephens <nigel.stephens@arm.com> + Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + Richard Earnshaw <rearnsha@arm.com> + Sofiane Naci <sofiane.naci@arm.com> + Tejas Belagod <tejas.belagod@arm.com> + Yufeng Zhang <yufeng.zhang@arm.com> + + * aarch64/Makefile.in: New file. + * aarch64/_exit.c: New file. + * aarch64/_kill.c: New file. + * aarch64/aclocal.m4: Generated. + * aarch64/configure: Generated. + * aarch64/configure.in: New file. + * aarch64/cpu-init/Makefile.in: New file. + * aarch64/cpu-init/rdimon-aem-el3.S: New file. + * aarch64/crt0.S: New file. + * aarch64/elf-rdimon.specs: New file. + * aarch64/libcfunc.c: New file. + * aarch64/svc.h: New file. + * aarch64/syscalls.c: New file. + * configure.in: Add AArch64. + * configure: Re-generated. + 2012-09-13 Anthony Green <green@moxielogic.com> * moxie/moxie-elf-common.ld: Add bi-endian support. diff --git a/libgloss/aarch64/Makefile.in b/libgloss/aarch64/Makefile.in new file mode 100644 index 0000000..bbbafe8 --- /dev/null +++ b/libgloss/aarch64/Makefile.in @@ -0,0 +1,181 @@ +# Copyright (c) 2012 ARM Ltd. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the company may not be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +DESTDIR = +VPATH = @srcdir@ @srcdir@/.. +srcdir = @srcdir@ +objdir = . +srcroot = $(srcdir)/../.. +objroot = $(objdir)/../.. + +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +host_alias = @host_alias@ +target_alias = @target_alias@ + +bindir = @bindir@ +libdir = @libdir@ +tooldir = $(exec_prefix)/$(target_alias) + +objtype = @objtype@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_DATA = @INSTALL_DATA@ + +# Multilib support variables. +# TOP is used instead of MULTI{BUILD,SRC}TOP. +MULTISRCTOP = +MULTIBUILDTOP = +MULTIDIRS = +MULTISUBDIR = +MULTIDO = true +MULTICLEAN = true + +SHELL = /bin/sh + +CC = @CC@ + +AS = @AS@ +AR = @AR@ +LD = @LD@ +RANLIB = @RANLIB@ + +SUBDIRS = @subdirs@ + +OBJDUMP = `if [ -f ${objroot}/../binutils/objdump ] ; \ + then echo ${objroot}/../binutils/objdump ; \ + else t='$(program_transform_name)'; echo objdump | sed -e $$t ; fi` +OBJCOPY = `if [ -f ${objroot}/../binutils/objcopy ] ; \ + then echo ${objroot}/../binutils/objcopy ; \ + else t='$(program_transform_name)'; echo objcopy | sed -e $$t ; fi` + +OBJS = syscalls.o libcfunc.o _exit.o _kill.o +CRT0 = crt0.o +CRT0_INSTALL = install-crt0 + +CRT0_INSTALL = install-crt0 +RDIMON_CRT0 = rdimon-crt0.o +RDIMON_BSP = librdimon.a +RDIMON_OBJS = $(patsubst %,rdimon-%,$(OBJS)) +RDIMON_SCRIPTS = rdimon.specs +RDIMON_INSTALL = install-rdimon + +CFLAGS = -g + +# Host specific makefile fragment comes in here. +@host_makefile_frag@ + +# +# build a test program for each target board. Just trying to get +# it to link is a good test, so we ignore all the errors for now. +# +all: ${CRT0} ${RDIMON_CRT0} ${RDIMON_BSP} + @rootpre=`pwd`/; export rootpre; \ + srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \ + for dir in .. ${SUBDIRS}; do \ + if [ x$$dir != x.. ]; then \ + if [ -d $$dir ]; then \ + (cd $$dir; $(MAKE) $(FLAGS_TO_PASS)); \ + else true; fi; \ + else true; fi; \ + done + +# +# here's where we build the test programs for each target +# +.PHONY: test +test: + +# +crt0.o: crt0.S +rdimon-crt0.o: crt0.S + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +#rdimon-trap.o: trap.S +# $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +rdimon-_exit.o: _exit.c + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +rdimon-_kill.o: _kill.c + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +rdimon-syscalls.o: syscalls.c + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +rdimon-libcfunc.o: libcfunc.c + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +$(RDIMON_BSP): $(RDIMON_OBJS) + ${AR} ${ARFLAGS} $@ $^ + ${RANLIB} $@ + +clean mostlyclean: + rm -f a.out core *.i *.o *-test *.srec *.dis *.x $(SIM_BSP) + @rootpre=`pwd`/; export rootpre; \ + srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \ + for dir in .. ${SUBDIRS}; do \ + if [ x$$dir != x.. ]; then \ + if [ -d $$dir ]; then \ + (cd $$dir; $(MAKE) $(FLAGS_TO_PASS) clean); \ + else true; fi; \ + else true; fi; \ + done + +distclean maintainer-clean realclean: clean + rm -f Makefile config.status *~ + +.PHONY: install info install-info clean-info +install: ${CRT0_INSTALL} ${RDIMON_INSTALL} + @rootpre=`pwd`/; export rootpre; \ + srcrootpre=`cd $(srcdir); pwd`/; export srcrootpre; \ + for dir in .. ${SUBDIRS}; do \ + if [ x$$dir != x.. ]; then \ + if [ -d $$dir ]; then \ + (cd $$dir; $(MAKE) $(FLAGS_TO_PASS) install); \ + else true; fi; \ + else true; fi; \ + done + +install-crt0: + ${INSTALL_DATA} ${CRT0} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x + +install-rdimon: + set -e; for x in ${RDIMON_CRT0} ${RDIMON_BSP}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done + set -e; for x in ${RDIMON_SCRIPTS}; do ${INSTALL_DATA} ${srcdir}/${objtype}$$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; done + + +doc: +info: +install-info: +clean-info: + +Makefile: Makefile.in config.status @host_makefile_frag_path@ + $(SHELL) config.status + +config.status: configure + $(SHELL) config.status --recheck diff --git a/libgloss/aarch64/_exit.c b/libgloss/aarch64/_exit.c new file mode 100644 index 0000000..a4f9d9e --- /dev/null +++ b/libgloss/aarch64/_exit.c @@ -0,0 +1,41 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#include <_ansi.h> +#include "svc.h" + +void _exit _PARAMS ((int)); + +__attribute__ ((noreturn)) void +_exit (int status) +{ + while (1) + { + param_block_t block[2]; + block[0] = ADP_Stopped_ApplicationExit; + block[1] = status; + do_AngelSVC (AngelSVC_Reason_ReportException, block); + } +} diff --git a/libgloss/aarch64/_kill.c b/libgloss/aarch64/_kill.c new file mode 100644 index 0000000..af33f07 --- /dev/null +++ b/libgloss/aarch64/_kill.c @@ -0,0 +1,49 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#include <_ansi.h> +#include <signal.h> +#include <errno.h> +#include "svc.h" + +int _kill _PARAMS ((int, int)); + +int +_kill (int pid, int sig) +{ + param_block_t block[2]; + + if (pid == 0) + return 0; + if (pid != 1 && pid != -1) + { + errno = ESRCH; + return -1; + } + + block[0] = ADP_Stopped_RunTimeError; + block[1] = sig; + return do_AngelSVC (AngelSVC_Reason_ReportException, block); +} diff --git a/libgloss/aarch64/aclocal.m4 b/libgloss/aarch64/aclocal.m4 new file mode 100644 index 0000000..2349523 --- /dev/null +++ b/libgloss/aarch64/aclocal.m4 @@ -0,0 +1,404 @@ +# generated automatically by aclocal 1.11.1 -*- Autoconf -*- + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. +# 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. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +# AM_CONDITIONAL -*- Autoconf -*- + +# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008 +# Free Software Foundation, Inc. +# +# 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. + +# serial 9 + +# AM_CONDITIONAL(NAME, SHELL-CONDITION) +# ------------------------------------- +# Define a conditional. +AC_DEFUN([AM_CONDITIONAL], +[AC_PREREQ(2.52)dnl + ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])], + [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl +AC_SUBST([$1_TRUE])dnl +AC_SUBST([$1_FALSE])dnl +_AM_SUBST_NOTMAKE([$1_TRUE])dnl +_AM_SUBST_NOTMAKE([$1_FALSE])dnl +m4_define([_AM_COND_VALUE_$1], [$2])dnl +if $2; then + $1_TRUE= + $1_FALSE='#' +else + $1_TRUE='#' + $1_FALSE= +fi +AC_CONFIG_COMMANDS_PRE( +[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then + AC_MSG_ERROR([[conditional "$1" was never defined. +Usually this means the macro was only invoked conditionally.]]) +fi])]) + +# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009 +# Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# serial 10 + +# There are a few dirty hacks below to avoid letting `AC_PROG_CC' be +# written in clear, in which case automake, when reading aclocal.m4, +# will think it sees a *use*, and therefore will trigger all it's +# C support machinery. 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Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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"no acceptable cc found in \$PATH" "$LINENO" 5 +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using GNU C" >&5 +$as_echo_n "checking whether we are using GNU C... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.c <<EOF +#ifdef __GNUC__ + yes; +#endif +EOF +if { ac_try='${CC-cc} -E conftest.c' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } | egrep yes >/dev/null 2>&1; then + ac_cv_c_compiler_gnu=yes +else + ac_cv_c_compiler_gnu=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } + +if test $ac_cv_c_compiler_gnu = yes; then + GCC=yes + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... " >&6; } +if ${ac_cv_prog_cc_g+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +else + CFLAGS="" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_g=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_c_werror_flag=$ac_save_c_werror_flag +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5 +$as_echo "$ac_cv_prog_cc_g" >&6; } +if test "$ac_test_CFLAGS" = set; then + CFLAGS=$ac_save_CFLAGS +elif test $ac_cv_prog_cc_g = yes; then + if test "$GCC" = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-g" + fi +else + if test "$GCC" = yes; then + CFLAGS="-O2" + else + CFLAGS= + fi +fi + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi + +AS=${AS-as} + +AR=${AR-ar} + +LD=${LD-ld} + +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args. +set dummy ${ac_tool_prefix}ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$RANLIB"; then + ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +RANLIB=$ac_cv_prog_RANLIB +if test -n "$RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5 +$as_echo "$RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_RANLIB"; then + ac_ct_RANLIB=$RANLIB + # Extract the first word of "ranlib", so it can be a program name with args. +set dummy ranlib; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_RANLIB+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_RANLIB"; then + ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then + ac_cv_prog_ac_ct_RANLIB="ranlib" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB +if test -n "$ac_ct_RANLIB"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5 +$as_echo "$ac_ct_RANLIB" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$ac_ct_RANLIB + fi +else + RANLIB="$ac_cv_prog_RANLIB" +fi + +# By default we simply use the C compiler to build assembly code. + +test "${CCAS+set}" = set || CCAS=$CC +test "${CCASFLAGS+set}" = set || CCASFLAGS=$CFLAGS + + + + +case "${target}" in + *-*-elf) + objtype=elf- + ;; +esac + + + +host_makefile_frag=${srcdir}/../config/default.mh + +host_makefile_frag_path=$host_makefile_frag + + + +# Configure cpu init plug-ins +if test -d "${srcdir}/cpu-init"; then + subdirs="${subdirs} cpu-init" + ac_config_files="$ac_config_files cpu-init/Makefile" + + +fi + +ac_config_files="$ac_config_files Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then branch to the quote section. Otherwise, +# look for a macro that doesn't take arguments. +ac_script=' +:mline +/\\$/{ + N + s,\\\n,, + b mline +} +t clear +:clear +s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g +t quote +s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g +t quote +b any +:quote +s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g +s/\[/\\&/g +s/\]/\\&/g +s/\$/$$/g +H +:any +${ + g + s/^\n// + s/\n/ /g + p +} +' +DEFS=`sed -n "$ac_script" confdefs.h` + + +ac_libobjs= +ac_ltlibobjs= +U= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -p'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -p' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -p' + fi +else + as_ln_s='cp -p' +fi +rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file +rmdir conf$$.dir 2>/dev/null + + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + +if test -x / >/dev/null 2>&1; then + as_test_x='test -x' +else + if ls -dL / >/dev/null 2>&1; then + as_ls_L_option=L + else + as_ls_L_option= + fi + as_test_x=' + eval sh -c '\'' + if test -d "$1"; then + test -d "$1/."; + else + case $1 in #( + -*)set "./$1";; + esac; + case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #(( + ???[sx]*):;;*)false;;esac;fi + '\'' sh + ' +fi +as_executable_p=$as_test_x + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by $as_me, which was +generated by GNU Autoconf 2.68. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... [TAG]... + + -h, --help print this help, then exit + -V, --version print version number and configuration settings, then exit + --config print configuration, then exit + -q, --quiet, --silent + do not print progress messages + -d, --debug don't remove temporary files + --recheck update $as_me by reconfiguring in the same conditions + --file=FILE[:TEMPLATE] + instantiate the configuration file FILE + +Configuration files: +$config_files + +Configuration commands: +$config_commands + +Report bugs to the package provider." + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`" +ac_cs_version="\\ +config.status +configured by $0, generated by GNU Autoconf 2.68, + with options \\"\$ac_cs_config\\" + +Copyright (C) 2010 Free Software Foundation, Inc. +This config.status script is free software; the Free Software Foundation +gives unlimited permission to copy, distribute and modify it." + +ac_pwd='$ac_pwd' +srcdir='$srcdir' +INSTALL='$INSTALL' +test -n "\$AWK" || AWK=awk +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# The default lists apply if the user does not specify any file. +ac_need_defaults=: +while test $# != 0 +do + case $1 in + --*=?*) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'` + ac_shift=: + ;; + --*=) + ac_option=`expr "X$1" : 'X\([^=]*\)='` + ac_optarg= + ac_shift=: + ;; + *) + ac_option=$1 + ac_optarg=$2 + ac_shift=shift + ;; + esac + + case $ac_option in + # Handling of the options. + -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r) + ac_cs_recheck=: ;; + --version | --versio | --versi | --vers | --ver | --ve | --v | -V ) + $as_echo "$ac_cs_version"; exit ;; + --config | --confi | --conf | --con | --co | --c ) + $as_echo "$ac_cs_config"; exit ;; + --debug | --debu | --deb | --de | --d | -d ) + debug=: ;; + --file | --fil | --fi | --f ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + '') as_fn_error $? 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"invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + +if $AWK 'BEGIN { getline <"/dev/null" }' </dev/null 2>/dev/null; then + ac_cs_awk_getline=: + ac_cs_awk_pipe_init= + ac_cs_awk_read_file=' + while ((getline aline < (F[key])) > 0) + print(aline) + close(F[key])' + ac_cs_awk_pipe_fini= +else + ac_cs_awk_getline=false + ac_cs_awk_pipe_init="print \"cat <<'|#_!!_#|' &&\"" + ac_cs_awk_read_file=' + print "|#_!!_#|" + print "cat " F[key] " &&" + '$ac_cs_awk_pipe_init + # The final `:' finishes the AND list. + ac_cs_awk_pipe_fini='END { print "|#_!!_#|"; print ":" }' +fi +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + +# Create commands to substitute file output variables. +{ + echo "cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1" && + echo 'cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&' && + echo "$ac_subst_files" | sed 's/.*/F["&"]="$&"/' && + echo "_ACAWK" && + echo "_ACEOF" +} >conf$$files.sh && +. ./conf$$files.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +rm -f conf$$files.sh + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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"could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + + +eval set X " :F $CONFIG_FILES :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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"could not create $ac_file" "$LINENO" 5 + ;; + + + :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 +$as_echo "$as_me: executing $ac_file commands" >&6;} + ;; + esac + + + case $ac_file$ac_mode in + "depfiles":C) test x"$AMDEP_TRUE" != x"" || { + # Autoconf 2.62 quotes --file arguments for eval, but not when files + # are listed without --file. Let's play safe and only enable the eval + # if we detect the quoting. + case $CONFIG_FILES in + *\'*) eval set x "$CONFIG_FILES" ;; + *) set x $CONFIG_FILES ;; + esac + shift + for mf + do + # Strip MF so we end up with the name of the file. + mf=`echo "$mf" | sed -e 's/:.*$//'` + # Check whether this is an Automake generated Makefile or not. + # We used to match only the files named `Makefile.in', but + # some people rename them; so instead we look at the file content. + # Grep'ing the first line is not enough: some people post-process + # each Makefile.in and add a new line on top of each file to say so. + # Grep'ing the whole file is not good either: AIX grep has a line + # limit of 2048, but all sed's we know have understand at least 4000. + if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then + dirpart=`$as_dirname -- "$mf" || +$as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$mf" : 'X\(//\)[^/]' \| \ + X"$mf" : 'X\(//\)$' \| \ + X"$mf" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$mf" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + else + continue + fi + # Extract the definition of DEPDIR, am__include, and am__quote + # from the Makefile without running `make'. + DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"` + test -z "$DEPDIR" && continue + am__include=`sed -n 's/^am__include = //p' < "$mf"` + test -z "am__include" && continue + am__quote=`sed -n 's/^am__quote = //p' < "$mf"` + # When using ansi2knr, U may be empty or an underscore; expand it + U=`sed -n 's/^U = //p' < "$mf"` + # Find all dependency output files, they are included files with + # $(DEPDIR) in their names. We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + "cpu-init/Makefile":F) . ${libgloss_topdir}/config-ml.in ;; + "Makefile":F) . ${libgloss_topdir}/config-ml.in ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/libgloss/aarch64/configure.in b/libgloss/aarch64/configure.in new file mode 100644 index 0000000..bd3fbc9 --- /dev/null +++ b/libgloss/aarch64/configure.in @@ -0,0 +1,73 @@ +dnl Process this file with autoconf to produce a configure script. +AC_PREREQ(2.59) +AC_INIT(crt0.S) + +if test "$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 + +case "${target}" in + *-*-elf) + objtype=elf- + ;; +esac + +AC_SUBST(objtype) + +host_makefile_frag=${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=$host_makefile_frag +AC_SUBST(host_makefile_frag_path) +AC_SUBST_FILE(host_makefile_frag) + +# Configure cpu init plug-ins +if test -d "${srcdir}/cpu-init"; then + subdirs="${subdirs} cpu-init" + AC_CONFIG_FILES(cpu-init/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_SUBST(subdirs) +fi + +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 diff --git a/libgloss/aarch64/cpu-init/Makefile.in b/libgloss/aarch64/cpu-init/Makefile.in new file mode 100644 index 0000000..79fce75 --- /dev/null +++ b/libgloss/aarch64/cpu-init/Makefile.in @@ -0,0 +1,110 @@ +# Copyright (c) 2012 ARM Ltd. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the company may not be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +DESTDIR = +VPATH = @srcdir@ @srcdir@/.. @srcdir@/../.. +srcdir = @srcdir@ +objdir = . +srcroot = $(srcdir)/../../.. +objroot = $(objdir)/../../.. + +prefix = @prefix@ +exec_prefix = @exec_prefix@ + +host_alias = @host_alias@ +target_alias = @target_alias@ + +bindir = @bindir@ +libdir = @libdir@ +tooldir = $(exec_prefix)/$(target_alias) + +objtype = @objtype@ + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_DATA = @INSTALL_DATA@ + +# Multilib support variables. +# TOP is used instead of MULTI{BUILD,SRC}TOP. +MULTISRCTOP = +MULTIBUILDTOP = +MULTIDIRS = +MULTISUBDIR = +MULTIDO = true +MULTICLEAN = true + +SHELL = /bin/sh + +CC = @CC@ + +AS = @AS@ +AR = @AR@ +LD = @LD@ +RANLIB = @RANLIB@ + +CPU_INIT_OBJS = rdimon-aem-el3.o +CPU_INIT_INSTALL = install-cpu-init + +CFLAGS = -g + +# Host specific makefile fragment comes in here. +@host_makefile_frag@ + +.PHONY: all +all: ${CPU_INIT_OBJS} + +# +# here's where we build the test programs for each target +# +.PHONY: test +test: + +# Static pattern rule for assembling cpu init files to object files. +${CPU_INIT_OBJS}: %.o: %.S + $(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) -DARM_RDI_MONITOR -o $@ -c $< + +clean mostlyclean: + rm -f a.out core *.i *.o *-test *.srec *.dis *.x + +distclean maintainer-clean realclean: clean + rm -f Makefile *~ + +.PHONY: install info install-info clean-info +install: ${CPU_INIT_INSTALL} + +install-cpu-init: + test -d $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/cpu-init || mkdir $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/cpu-init + set -e; for x in ${CPU_INIT_OBJS}; do ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/cpu-init/$$x; done + +doc: +info: +install-info: +clean-info: + +Makefile: Makefile.in ../config.status @host_makefile_frag_path@ + $(SHELL) ../config.status --file cpu-init/Makefile + +../config.status: ../configure + $(SHELL) ../config.status --recheck diff --git a/libgloss/aarch64/cpu-init/rdimon-aem-el3.S b/libgloss/aarch64/cpu-init/rdimon-aem-el3.S new file mode 100644 index 0000000..23b0f64 --- /dev/null +++ b/libgloss/aarch64/cpu-init/rdimon-aem-el3.S @@ -0,0 +1,167 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#include "newlib.h" +#include "svc.h" + +/* ANSI concatenation macros. */ +#define CONCAT(a, b) CONCAT2(a, b) +#define CONCAT2(a, b) a ## b + +#ifdef __USER_LABEL_PREFIX__ +#define FUNCTION( name ) CONCAT (__USER_LABEL_PREFIX__, name) +#else +#error __USER_LABEL_PREFIX is not defined +#endif + + + .text + .align 2 +_init_vectors: + /* Installs a table of exception vectors to catch and handle all + exceptions by terminating the process with a diagnostic. */ + adr x0, vectors + msr vbar_el3, x0 + msr vbar_el2, x0 + msr vbar_el1, x0 + ret + +curr_sp0_sync: +curr_sp0_irq: +curr_sp0_fiq: +curr_sp0_serror: +curr_spx_sync: +curr_spx_irq: +curr_spx_fiq: +curr_spx_serror: +lower_a64_sync: +lower_a64_irq: +lower_a64_fiq: +lower_a64_serror: +lower_a32_sync: +lower_a32_irq: +lower_a32_fiq: +lower_a32_serror: + mov x0, 2 + adr x1, .LC3 + mov x2, 26 + bl FUNCTION (write) + mov x0, 126 + b FUNCTION (exit) /* Cannot return. */ +.LC3: + .string "Terminated by exception.\n" + + .macro ventry label + .align 7 + b \label + .endm + + .align 7 + + /* AArch64 Exception Model -- 3.5.5 Exception Vectors. */ + +vectors: + /* Current EL with SP0. */ + ventry curr_sp0_sync /* Synchronous */ + ventry curr_sp0_irq /* Irq/vIRQ */ + ventry curr_sp0_fiq /* Fiq/vFIQ */ + ventry curr_sp0_serror /* SError/VSError */ + + /* Current EL with SPx. */ + ventry curr_spx_sync /* Synchronous */ + ventry curr_spx_irq /* IRQ/vIRQ */ + ventry curr_spx_fiq /* FIQ/vFIQ */ + ventry curr_spx_serror /* SError/VSError */ + + /* Lower EL using AArch64. */ + ventry lower_a64_sync /* Synchronous */ + ventry lower_a64_irq /* IRQ/vIRQ */ + ventry lower_a64_fiq /* FIQ/vFIQ */ + ventry lower_a64_serror /* SError/VSError */ + + /* Lower EL using AArch32. */ + ventry lower_a32_sync /* Synchronous */ + ventry lower_a32_irq /* IRQ/vIRQ */ + ventry lower_a32_fiq /* FIQ/vFIQ */ + ventry lower_a32_serror /* SError/VSError */ + + + .text + .align 2 +_flat_map: + /* Page table setup (identity mapping). */ + adrp x0, ttb + add x0, x0, :lo12:ttb + msr ttbr0_el3, x0 + adr x1, . /* phys address */ + bic x1, x1, #(1 << 30) - 1 /* 1GB block alignment */ + add x2, x0, x1, lsr #(30 - 3) /* offset in level 1 page + table */ + mov x3, #0x401 /* page table attributes + (AF, block) */ + orr x1, x1, x3 + mov x3, #(1 << 30) /* 1GB block */ + str x1, [x2], #8 /* 1st GB */ + add x1, x1, x3 + str x1, [x2] /* 2nd GB */ + + /* Setup/enable the MMU. */ + + /* RES1, RES1, 40-bit PA, 39-bit VA, inner/outer cacheable WB */ + ldr x0, =(1 << 31) | (1 << 23) | (2 << 16) | 25 | (3 << 10) | (3 << 8) + msr tcr_el3, x0 + + mov x0, #0xee /* Inner/outer cacheable WB */ + msr mair_el3, x0 + isb + + mrs x0, sctlr_el3 + ldr x1, =0x100d /* bits I(12) SA(3) C(2) M(0) */ + bic x0, x0, #2 /* clear bit A(1) */ + orr x0, x0, x1 /* set bits */ + + msr sctlr_el3, x0 + isb + ret + + .data + .align 12 +ttb: + .space 4096, 0 + + + .text + .align 2 + .global FUNCTION (_cpu_init_hook) + .type FUNCTION (_cpu_init_hook), %function +FUNCTION (_cpu_init_hook): + sub sp, sp, #16 + str x30, [sp, xzr] + bl _init_vectors + bl _flat_map + ldr x30, [sp, xzr] + add sp, sp, #16 + ret + .size FUNCTION (_cpu_init_hook), .-FUNCTION (_cpu_init_hook) diff --git a/libgloss/aarch64/crt0.S b/libgloss/aarch64/crt0.S new file mode 100644 index 0000000..601bb2b --- /dev/null +++ b/libgloss/aarch64/crt0.S @@ -0,0 +1,203 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +#include "newlib.h" +#include "svc.h" + +/* ANSI concatenation macros. */ +#define CONCAT(a, b) CONCAT2(a, b) +#define CONCAT2(a, b) a ## b + +#ifdef __USER_LABEL_PREFIX__ +#define FUNCTION( name ) CONCAT (__USER_LABEL_PREFIX__, name) +#else +#error __USER_LABEL_PREFIX is not defined +#endif + +#ifdef HAVE_INITFINI_ARRAY +#define _init __libc_init_array +#define _fini __libc_fini_array +#endif + + .text +.macro FUNC_START name + .global \name +\name: +.endm + + .align 2 + + FUNC_START _mainCRTStartup + FUNC_START _start + FUNC_START start + +/* Start by setting up a stack */ + + /* Issue Angel SVC to read memory info. + + ptr to ptr to 4 words to receive data. */ + adr x1, .LC0 + mov w0, #AngelSVC_Reason_HeapInfo + AngelSVCAsm AngelSVC + + /* Initialise the stack pointer */ + + /* We currently choose to use the heap_limit field rather than + stack_base because the AEM validation model + returns sane values in the heap fields, but 0 in the stack + fields. Note on the VE AEM model it is necessary to pass + command line options to the AEM in order to define the values + exposed here in the HeapInfo Angel call. */ + ldr x0, .LC0 /* point at returned values */ + ldr x0, [x0, #8] /* get heap_limit */ + + /* Ensure quad-word stack alignment. */ + and x0, x0, #~15 + mov sp, x0 + + /* Setup an initial dummy frame with saved fp=0 and saved lr=0 */ + mov x29, 0 + stp x29, x29, [sp, #-16]! + mov x29, sp + + /* Initialize exception vector table, flatmap, etc. */ + bl FUNCTION (_cpu_init_hook) + + /* Zero the memory in the .bss section. */ + ldr x0, .LC1 /* First arg: start of memory block */ + mov w1, #0 /* Second arg: fill value */ + ldr x2, .LC2 + sub x2, x2, x0 /* Third arg: length of block */ + bl FUNCTION (memset) + + /* Need to set up standard file handles */ + bl FUNCTION (initialise_monitor_handles) + + /* .init and .fini sections are used to create constructors + and destructors. Here we call the _init function and arrange + for _fini to be called at program exit. */ + ldr x0, .Lfini + bl FUNCTION (atexit) + + bl FUNCTION (_init) + + /* Fetch and parse the command line. */ + adr x1, .Lcmdline /* Command line descriptor. */ + mov w0, #AngelSVC_Reason_GetCmdLine + AngelSVCAsm AngelSVC + ldr x8, .Lcmdline + + mov x0, #0 /* argc */ + mov x1, sp /* argv */ + ldr x2, .Lenvp /* envp */ + + /* Put NULL at end of argv array. */ + str x0, [x1, #-8]! + + /* Skip leading blanks. */ +.Lnext: ldrb w3, [x8], #1 + cbz w3, .Lendstr + cmp w3, #' ' + b.eq .Lnext + + mov w4, #' ' /* Terminator is space. */ + + /* See whether we are scanning a quoted string by checking for + opening quote (" or '). */ + subs w9, w3, #'\"' + sub x8, x8, #1 /* Backup if no match. */ + ccmp w9, #('\'' - '\"'), 0x4 /* FLG_Z */, ne + csel w4, w3, w4, eq /* Terminator = quote if match. */ + cinc x8, x8, eq + + /* Push arg pointer to argv, and bump argc. */ + str x8, [x1, #-8]! + add x0, x0, #1 + + /* Find end of arg string. */ +1: ldrb w3, [x8], #1 + cbz w3, .Lendstr + cmp w4, w3 /* Reached terminator? */ + b.ne 1b + + /* Terminate the arg string with NUL char. */ + mov w4, #0 + strb w4, [x8, #-1] + b .Lnext + + /* Reverse argv array. */ +.Lendstr: + add x3, x1, #0 /* sp = &argv[0] */ + add x4, x1, w0, uxtw #3 /* ep = &argv[argc] */ + cmp x4, x3 + b.lo 2f +1: ldr x5, [x4, #-8] /* x5 = ep[-1] */ + ldr x6, [x3] /* x6 = *sp */ + str x6, [x4, #-8]! /* *--ep = x6 */ + str x5, [x3], #8 /* *sp++ = x5 */ + cmp x4, x3 + b.hi 1b +2: + /* Move sp to the 16B boundary below argv. */ + and x4, x1, ~15 + mov sp, x4 + + bl FUNCTION (main) + + b FUNCTION (exit) /* Cannot return. */ + +/* Function initializing exception vector table, flatmap, etc. + Declared as weak symbol so that user can override this definition + by linking in their own version of the function. */ + .weak FUNCTION (_cpu_init_hook) +FUNCTION (_cpu_init_hook): + ret + + .align 3 +.LC0: + .dword HeapBase +.LC1: + .dword __bss_start__ +.LC2: + .dword __bss_end__ +.Lfini: + .dword FUNCTION(_fini) +.Lenvp: + .dword env +.Lcmdline: + .dword CommandLine + .dword 255 + +/* Workspace for Angel calls. */ + .data + .align 3 +/* Data returned by monitor SVC. */ + .global __stack_base__ +HeapBase: .dword 0 +HeapLimit: .dword 0 +__stack_base__: .dword 0 +StackLimit: .dword 0 +env: .dword 0 /* Dummy environment array */ +CommandLine: .space 256,0 /* Maximum length of 255 chars handled. */ diff --git a/libgloss/aarch64/elf-rdimon.specs b/libgloss/aarch64/elf-rdimon.specs new file mode 100644 index 0000000..cb964db --- /dev/null +++ b/libgloss/aarch64/elf-rdimon.specs @@ -0,0 +1,7 @@ +%rename lib libc + +*libgloss: +-lrdimon + +*lib: +--start-group %(libc) %(libgloss) --end-group diff --git a/libgloss/aarch64/libcfunc.c b/libgloss/aarch64/libcfunc.c new file mode 100644 index 0000000..8af3a6c --- /dev/null +++ b/libgloss/aarch64/libcfunc.c @@ -0,0 +1,91 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* Support files for GNU libc. Files in the C namespace go here. + Files in the system namespace (ie those that start with an underscore) + go in syscalls.c. + + Note: These functions are in a seperate file so that OS providers can + overrride the system call stubs (defined in syscalls.c) without having + to provide libc funcitons as well. */ + +#include "svc.h" + +#include <errno.h> +#include <sys/types.h> +#include <time.h> +#include <unistd.h> + + +extern clock_t _clock (void); +extern int _isatty (int); + +unsigned __attribute__((weak)) +alarm (unsigned seconds) +{ + (void) seconds; + return 0; +} + +clock_t __attribute__((weak)) +clock (void) +{ + return _clock (); +} + +int __attribute__((weak)) +isatty (int fildes) +{ + return _isatty (fildes); +} + +int __attribute__((weak)) +pause (void) +{ + errno = ENOSYS; + return -1; +} + +unsigned __attribute__((weak)) +sleep (unsigned seconds) +{ + clock_t t0 = _clock (); + clock_t dt = seconds * CLOCKS_PER_SEC; + + while (_clock () - t0 < dt) + ; + return 0; +} + +int __attribute__((weak)) +usleep (useconds_t useconds) +{ + clock_t t0 = _clock (); + clock_t dt = useconds / (1000000 / CLOCKS_PER_SEC); + + while (_clock () - t0 < dt) + ; + return 0; +} diff --git a/libgloss/aarch64/svc.h b/libgloss/aarch64/svc.h new file mode 100644 index 0000000..fe249f0 --- /dev/null +++ b/libgloss/aarch64/svc.h @@ -0,0 +1,75 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* Now the SWI numbers and reason codes for RDI (Angel) monitors. */ +#define AngelSVC 0xF000 +#define AngelSVCInsn "hlt" +#define AngelSVCAsm hlt + +/* The reason codes: */ +#define AngelSVC_Reason_Open 0x01 +#define AngelSVC_Reason_Close 0x02 +#define AngelSVC_Reason_WriteC 0x03 +#define AngelSVC_Reason_Write0 0x04 +#define AngelSVC_Reason_Write 0x05 +#define AngelSVC_Reason_Read 0x06 +#define AngelSVC_Reason_ReadC 0x07 +#define AngelSVC_Reason_IsTTY 0x09 +#define AngelSVC_Reason_Seek 0x0A +#define AngelSVC_Reason_FLen 0x0C +#define AngelSVC_Reason_TmpNam 0x0D +#define AngelSVC_Reason_Remove 0x0E +#define AngelSVC_Reason_Rename 0x0F +#define AngelSVC_Reason_Clock 0x10 +#define AngelSVC_Reason_Time 0x11 +#define AngelSVC_Reason_System 0x12 +#define AngelSVC_Reason_Errno 0x13 +#define AngelSVC_Reason_GetCmdLine 0x15 +#define AngelSVC_Reason_HeapInfo 0x16 +#define AngelSVC_Reason_EnterSVC 0x17 +#define AngelSVC_Reason_ReportException 0x18 +#define AngelSVC_Reason_SyncCacheRange 0x19 +#define AngelSVC_Reason_Elapsed 0x30 +#define ADP_Stopped_ApplicationExit ((2 << 16) + 38) +#define ADP_Stopped_RunTimeError ((2 << 16) + 35) + +#if defined(ARM_RDI_MONITOR) && !defined(__ASSEMBLER__) + +/* Type of each entry in a parameter block. */ +typedef long long param_block_t; + +static inline long long +do_AngelSVC (int reason, param_block_t * arg) +{ + long long value; + asm volatile ("mov w0, %w1; mov x1, %2; " AngelSVCInsn " %3; mov %0, x0" + : "=r" (value) /* Outputs */ + : "r" (reason), "r" (arg), "n" (AngelSVC) /* Inputs */ + : "x0", "x1", "x2", "x3", "x17", "x30", "memory", "cc" + /* Clobbers x0 and x1, and lr if in supervisor mode */); + return value; +} + +#endif diff --git a/libgloss/aarch64/syscalls.c b/libgloss/aarch64/syscalls.c new file mode 100644 index 0000000..51c39c5 --- /dev/null +++ b/libgloss/aarch64/syscalls.c @@ -0,0 +1,751 @@ +/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. The name of the company may not be used to endorse or promote + products derived from this software without specific prior written + permission. + + THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED + WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ + +/* Support files for GNU libc. Files in the system namespace go here. + Files in the C namespace (ie those that do not start with an + underscore) go in .c. */ + +#include <_ansi.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/fcntl.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <sys/time.h> +#include <sys/times.h> +#include <errno.h> +#include <reent.h> +#include <unistd.h> +#include <sys/wait.h> +#include "svc.h" + +/* Forward prototypes. */ +int _system _PARAMS ((const char *)); +int _rename _PARAMS ((const char *, const char *)); +int _isatty _PARAMS ((int)); +clock_t _times _PARAMS ((struct tms *)); +int _gettimeofday _PARAMS ((struct timeval *, void *)); +int _unlink _PARAMS ((const char *)); +int _link _PARAMS ((void)); +int _stat _PARAMS ((const char *, struct stat *)); +int _fstat _PARAMS ((int, struct stat *)); +int _swistat _PARAMS ((int fd, struct stat * st)); +caddr_t _sbrk _PARAMS ((int)); +int _getpid _PARAMS ((int)); +int _close _PARAMS ((int)); +clock_t _clock _PARAMS ((void)); +int _swiclose _PARAMS ((int)); +int _open _PARAMS ((const char *, int, ...)); +int _swiopen _PARAMS ((const char *, int)); +int _write _PARAMS ((int, char *, int)); +int _swiwrite _PARAMS ((int, char *, int)); +int _lseek _PARAMS ((int, int, int)); +int _swilseek _PARAMS ((int, int, int)); +int _read _PARAMS ((int, char *, int)); +int _swiread _PARAMS ((int, char *, int)); +void initialise_monitor_handles _PARAMS ((void)); + +static int checkerror _PARAMS ((int)); +static int error _PARAMS ((int)); +static int get_errno _PARAMS ((void)); + +/* Struct used to keep track of the file position, just so we + can implement fseek(fh,x,SEEK_CUR). */ +struct fdent +{ + int handle; + int flags; + ino_t ino; + int pos; +}; + +#define MAX_OPEN_FILES 20 + +/* User file descriptors (fd) are integer indexes into + the openfiles[] array. Error checking is done by using + findslot(). + + This openfiles array is manipulated directly by only + these 5 functions: + + findslot() - Translate entry. + newslot() - Find empty entry. + initilise_monitor_handles() - Initialize entries. + _swiopen() - Initialize entry. + _close() - Handle stdout == stderr case. + + Every other function must use findslot(). */ + +static struct fdent openfiles[MAX_OPEN_FILES]; + +static struct fdent *findslot _PARAMS ((int)); +static int newslot _PARAMS ((void)); + +/* Register name faking - works in collusion with the linker. */ +register char * stack_ptr asm ("sp"); + + +/* following is copied from libc/stdio/local.h to check std streams */ +extern void _EXFUN (__sinit, (struct _reent *)); +#define CHECK_INIT(ptr) \ + do \ + { \ + if ((ptr) && !(ptr)->__sdidinit) \ + __sinit (ptr); \ + } \ + while (0) + +static int monitor_stdin; +static int monitor_stdout; +static int monitor_stderr; + +/* Return a pointer to the structure associated with + the user file descriptor fd. */ +static struct fdent * +findslot (int fd) +{ + CHECK_INIT (_REENT); + + /* User file descriptor is out of range. */ + if ((unsigned int) fd >= MAX_OPEN_FILES) + return NULL; + + /* User file descriptor is open? */ + if (openfiles[fd].handle == -1) + return NULL; + + /* Valid. */ + return &openfiles[fd]; +} + +/* Return the next lowest numbered free file + structure, or -1 if we can't find one. */ +static int +newslot (void) +{ + int i; + + for (i = 0; i < MAX_OPEN_FILES; i++) + if (openfiles[i].handle == -1) + break; + + if (i == MAX_OPEN_FILES) + return -1; + + return i; +} + +void +initialise_monitor_handles (void) +{ + int i; + + /* Open the standard file descriptors by opening the special + * teletype device, ":tt", read-only to obtain a descritpor for + * standard input and write-only to obtain a descriptor for standard + * output. Finally, open ":tt" in append mode to obtain a descriptor + * for standard error. Since this is a write mode, most kernels will + * probably return the same value as for standard output, but the + * kernel can differentiate the two using the mode flag and return a + * different descriptor for standard error. + */ + + param_block_t block[3]; + + block[0] = (param_block_t) ":tt"; + block[2] = 3; /* length of filename */ + block[1] = 0; /* mode "r" */ + monitor_stdin = do_AngelSVC (AngelSVC_Reason_Open, block); + + block[0] = (param_block_t) ":tt"; + block[2] = 3; /* length of filename */ + block[1] = 4; /* mode "w" */ + monitor_stdout = do_AngelSVC (AngelSVC_Reason_Open, block); + + block[0] = (param_block_t) ":tt"; + block[2] = 3; /* length of filename */ + block[1] = 8; /* mode "a" */ + monitor_stderr = do_AngelSVC (AngelSVC_Reason_Open, block); + + /* If we failed to open stderr, redirect to stdout. */ + if (monitor_stderr == -1) + monitor_stderr = monitor_stdout; + + for (i = 0; i < MAX_OPEN_FILES; i++) + openfiles[i].handle = -1; + + openfiles[0].handle = monitor_stdin; + openfiles[0].flags = _FREAD; + openfiles[0].pos = 0; + openfiles[1].handle = monitor_stdout; + openfiles[0].flags = _FWRITE; + openfiles[1].pos = 0; + openfiles[2].handle = monitor_stderr; + openfiles[0].flags = _FWRITE; + openfiles[2].pos = 0; +} + +static int +get_errno (void) +{ + return do_AngelSVC (AngelSVC_Reason_Errno, NULL); +} + +/* Set errno and return result. */ +static int +error (int result) +{ + errno = get_errno (); + return result; +} + +/* Check the return and set errno appropriately. */ +static int +checkerror (int result) +{ + if (result == -1) + return error (-1); + return result; +} + +/* fh, is a valid internal file handle. + ptr, is a null terminated string. + len, is the length in bytes to read. + Returns the number of bytes *not* written. */ +int +_swiread (int fh, char *ptr, int len) +{ + param_block_t block[3]; + + block[0] = fh; + block[1] = (param_block_t) ptr; + block[2] = len; + + return checkerror (do_AngelSVC (AngelSVC_Reason_Read, block)); +} + +/* fd, is a valid user file handle. + Translates the return of _swiread into + bytes read. */ +int +_read (int fd, char *ptr, int len) +{ + int res; + struct fdent *pfd; + + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return -1; + } + + res = _swiread (pfd->handle, ptr, len); + + if (res == -1) + return res; + + pfd->pos += len - res; + + /* res == len is not an error, + at least if we want feof() to work. */ + return len - res; +} + +/* fd, is a user file descriptor. */ +int +_swilseek (int fd, int ptr, int dir) +{ + int res; + struct fdent *pfd; + + /* Valid file descriptor? */ + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return -1; + } + + /* Valid whence? */ + if ((dir != SEEK_CUR) && (dir != SEEK_SET) && (dir != SEEK_END)) + { + errno = EINVAL; + return -1; + } + + /* Convert SEEK_CUR to SEEK_SET */ + if (dir == SEEK_CUR) + { + ptr = pfd->pos + ptr; + /* The resulting file offset would be negative. */ + if (ptr < 0) + { + errno = EINVAL; + if ((pfd->pos > 0) && (ptr > 0)) + errno = EOVERFLOW; + return -1; + } + dir = SEEK_SET; + } + + param_block_t block[2]; + if (dir == SEEK_END) + { + block[0] = pfd->handle; + res = checkerror (do_AngelSVC (AngelSVC_Reason_FLen, block)); + if (res == -1) + return -1; + ptr += res; + } + + /* This code only does absolute seeks. */ + block[0] = pfd->handle; + block[1] = ptr; + res = checkerror (do_AngelSVC (AngelSVC_Reason_Seek, block)); + /* At this point ptr is the current file position. */ + if (res >= 0) + { + pfd->pos = ptr; + return ptr; + } + else + return -1; +} + +_lseek (int fd, int ptr, int dir) +{ + return _swilseek (fd, ptr, dir); +} + +/* fh, is a valid internal file handle. + Returns the number of bytes *not* written. */ +int +_swiwrite (int fh, char *ptr, int len) +{ + param_block_t block[3]; + + block[0] = fh; + block[1] = (param_block_t) ptr; + block[2] = len; + + return checkerror (do_AngelSVC (AngelSVC_Reason_Write, block)); +} + +/* fd, is a user file descriptor. */ +int +_write (int fd, char *ptr, int len) +{ + int res; + struct fdent *pfd; + + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return -1; + } + + res = _swiwrite (pfd->handle, ptr, len); + + /* Clearly an error. */ + if (res < 0) + return -1; + + pfd->pos += len - res; + + /* We wrote 0 bytes? + Retrieve errno just in case. */ + if ((len - res) == 0) + return error (0); + + return (len - res); +} + +int +_swiopen (const char *path, int flags) +{ + int aflags = 0, fh; + param_block_t block[3]; + static ino_t ino = 1; + int fd; + + if (path == NULL) + { + errno = ENOENT; + return -1; + } + + fd = newslot (); + + if (fd == -1) + { + errno = EMFILE; + return -1; + } + + /* It is an error to open a file that already exists. */ + if ((flags & O_CREAT) && (flags & O_EXCL)) + { + struct stat st; + int res; + res = _stat (path, &st); + if (res != -1) + { + errno = EEXIST; + return -1; + } + } + + /* The flags are Unix-style, so we need to convert them. */ +#ifdef O_BINARY + if (flags & O_BINARY) + aflags |= 1; +#endif + + /* In O_RDONLY we expect aflags == 0. */ + + if (flags & O_RDWR) + aflags |= 2; + + if ((flags & O_CREAT) || (flags & O_TRUNC) || (flags & O_WRONLY)) + aflags |= 4; + + if (flags & O_APPEND) + { + /* Can't ask for w AND a; means just 'a'. */ + aflags &= ~4; + aflags |= 8; + } + + block[0] = (param_block_t) path; + block[2] = strlen (path); + block[1] = aflags; + + fh = do_AngelSVC (AngelSVC_Reason_Open, block); + + /* Return a user file descriptor or an error. */ + if (fh >= 0) + { + openfiles[fd].handle = fh; + openfiles[fd].flags = flags + 1; + openfiles[fd].ino = ino++; + openfiles[fd].pos = 0; + return fd; + } + else + return error (fh); +} + +int +_open (const char *path, int flags, ...) +{ + return _swiopen (path, flags); +} + +/* fh, is a valid internal file handle. */ +int +_swiclose (int fh) +{ + param_block_t param[1]; + param[0] = fh; + return checkerror (do_AngelSVC (AngelSVC_Reason_Close, param)); +} + +/* fd, is a user file descriptor. */ +int +_close (int fd) +{ + int res; + struct fdent *pfd; + + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return -1; + } + + /* Handle stderr == stdout. */ + if ((fd == 1 || fd == 2) && (openfiles[1].handle == openfiles[2].handle)) + { + pfd->handle = -1; + return 0; + } + + /* Attempt to close the handle. */ + res = _swiclose (pfd->handle); + + /* Reclaim handle? */ + if (res == 0) + pfd->handle = -1; + + return res; +} + +int __attribute__((weak)) +_getpid (int n __attribute__ ((unused))) +{ + return 1; +} + +caddr_t +_sbrk (int incr) +{ + extern char end asm ("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. */ + errno = ENOMEM; + return (caddr_t) - 1; + } + + heap_end += incr; + + return (caddr_t) prev_heap_end; +} + +int +_swistat (int fd, struct stat *st) +{ + struct fdent *pfd; + param_block_t param[1]; + int res; + + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return -1; + } + + param[0] = pfd->handle; + res = do_AngelSVC (AngelSVC_Reason_IsTTY, param); + if (res != 0 && res != 1) + return error (-1); + + memset (st, 0, sizeof (*st)); + + if (res) + { + /* This is a tty. */ + st->st_mode |= S_IFCHR; + } + else + { + /* This is a file, return the file length. */ + st->st_mode |= S_IFREG; + res = checkerror (do_AngelSVC (AngelSVC_Reason_FLen, param)); + if (res == -1) + return -1; + st->st_size = res; + st->st_blksize = 1024; + st->st_blocks = (res + 1023) / 1024; + } + + /* Deduce permissions based on mode in which file opened. */ + st->st_mode |= S_IRUSR | S_IRGRP | S_IROTH; + if (pfd->flags & _FWRITE) + st->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH; + + st->st_ino = pfd->ino; + st->st_nlink = 1; + return 0; +} + +int __attribute__((weak)) +_fstat (int fd, struct stat * st) +{ + return _swistat (fd, st); +} + +int __attribute__((weak)) +_stat (const char *fname, struct stat *st) +{ + int fd, res; + /* 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 ((fd = _open (fname, O_RDONLY)) == -1) + return -1; + res = _swistat (fd, st); + /* Not interested in the error. */ + _close (fd); + return res; +} + +int __attribute__((weak)) +_link (void) +{ + errno = ENOSYS; + return -1; +} + +int +_unlink (const char *path) +{ + int res; + param_block_t block[2]; + block[0] = (param_block_t) path; + block[1] = strlen (path); + res = do_AngelSVC (AngelSVC_Reason_Remove, block); + if (res == -1) + return error (res); + return 0; +} + +int +_gettimeofday (struct timeval *tp, void *tzvp) +{ + struct timezone *tzp = tzvp; + if (tp) + { + /* Ask the host for the seconds since the Unix epoch. */ + tp->tv_sec = do_AngelSVC (AngelSVC_Reason_Time, NULL); + tp->tv_usec = 0; + } + + /* Return fixed data for the timezone. */ + if (tzp) + { + tzp->tz_minuteswest = 0; + tzp->tz_dsttime = 0; + } + + return 0; +} + +/* Return a clock that ticks at 100Hz. */ +clock_t +_clock (void) +{ + clock_t timeval; + + timeval = do_AngelSVC (AngelSVC_Reason_Clock, NULL); + return timeval; +} + +/* Return a clock that ticks at 100Hz. */ +clock_t +_times (struct tms * tp) +{ + clock_t timeval = _clock (); + + if (tp) + { + tp->tms_utime = timeval; /* user time */ + tp->tms_stime = 0; /* system time */ + tp->tms_cutime = 0; /* user time, children */ + tp->tms_cstime = 0; /* system time, children */ + } + + return timeval; +}; + + +int +_isatty (int fd) +{ + struct fdent *pfd; + param_block_t param[1]; + int res; + + /* Return 1 if fd is an open file descriptor referring to a terminal; + otherwise 0 is returned, and errno is set to indicate the error. */ + + pfd = findslot (fd); + if (pfd == NULL) + { + errno = EBADF; + return 0; + } + + param[0] = pfd->handle; + res = do_AngelSVC (AngelSVC_Reason_IsTTY, param); + + if (res != 1) + return error (0); + return res; +} + +int +_system (const char *s) +{ + param_block_t block[2]; + int e; + + /* Hmmm. The ARM debug interface specification doesn't say whether + SYS_SYSTEM does the right thing with a null argument, or assign any + meaning to its return value. Try to do something reasonable.... */ + if (!s) + return 1; /* maybe there is a shell available? we can hope. :-P */ + block[0] = (param_block_t) s; + block[1] = strlen (s); + e = checkerror (do_AngelSVC (AngelSVC_Reason_System, block)); + if ((e >= 0) && (e < 256)) + { + /* We have to convert e, an exit status to the encoded status of + the command. To avoid hard coding the exit status, we simply + loop until we find the right position. */ + int exit_code; + + for (exit_code = e; e && WEXITSTATUS (e) != exit_code; e <<= 1) + continue; + } + return e; +} + +int +_rename (const char *oldpath, const char *newpath) +{ + param_block_t block[4]; + block[0] = (param_block_t) oldpath; + block[1] = strlen (oldpath); + block[2] = (param_block_t) newpath; + block[3] = strlen (newpath); + return checkerror (do_AngelSVC (AngelSVC_Reason_Rename, block)) ? -1 : 0; +} + +/* Returns the number of elapsed target ticks since the support code + started execution. Returns -1 and sets errno on error. */ +long +__aarch64_angel_elapsed (void) +{ + int result; + param_block_t block[2]; + result = checkerror (do_AngelSVC (AngelSVC_Reason_Elapsed, block)); + if (result == -1) + return result; + return block[0]; +} diff --git a/libgloss/configure b/libgloss/configure index 44971ae..60b8250 100755 --- a/libgloss/configure +++ b/libgloss/configure @@ -665,6 +665,7 @@ target_alias CCAS CCASFLAGS' ac_subdirs_all='doc +aarch64 epiphany i386 m32r @@ -2391,6 +2392,11 @@ config_testsuite=true config_libnosys=true case "${target}" in + aarch64*-*-*) + subdirs="$subdirs aarch64" + + config_testsuite=true + ;; epiphany-*-*) subdirs="$subdirs epiphany" diff --git a/libgloss/configure.in b/libgloss/configure.in index 99ab3eb..03acf95 100644 --- a/libgloss/configure.in +++ b/libgloss/configure.in @@ -34,6 +34,10 @@ dnl indicates whether to run configure within the libnosys subdirectory config_libnosys=true case "${target}" in + aarch64*-*-*) + AC_CONFIG_SUBDIRS(aarch64) + config_testsuite=true + ;; epiphany-*-*) AC_CONFIG_SUBDIRS(epiphany) config_testsuite=true |