OpenCores

/unlink.c

0,0 → 1,28

unlink.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: configure =================================================================== --- configure (nonexistent) +++ configure (revision 816) @@ -0,0 +1,3777 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.61. +# +# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, +# 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## --------------------- ## +## 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=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in + *posix*) set -o posix ;; +esac + +fi + + + + +# PATH needs CR +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi + +# Support unset when possible. +if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then + as_unset=unset +else + as_unset=false +fi + + +# IFS +# We need space, tab and new line, in precisely that order. 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Use of quotes ensures accuracy. + *) ac_configure_args="$ac_configure_args '$ac_arg'" ;; + esac + fi +done +if $ac_cache_corrupted; then + { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5 +echo "$as_me: error: changes in the environment can compromise the build" >&2;} + { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5 +echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;} + { (exit 1); exit 1; }; } +fi + + + + + + + + + + + + + + + + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + + + +ac_aux_dir= +for ac_dir in "$srcdir" "$srcdir/.." 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We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +{ echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5 +echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6; } +if test -z "$INSTALL"; then +if test "${ac_cv_path_install+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in + ./ | .// | /cC/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; }; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + done + done + ;; +esac +done +IFS=$as_save_IFS + + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ echo "$as_me:$LINENO: result: $INSTALL" >&5 +echo "${ECHO_T}$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +DEPDIR="${am__leading_dot}deps" + +ac_config_commands="$ac_config_commands depfiles" + + +am_make=${MAKE-make} +cat > confinc << 'END' +am__doit: + @echo done +.PHONY: am__doit +END +# If we don't find an include directive, just comment out the code. +{ echo "$as_me:$LINENO: checking for style of include used by $am_make" >&5 +echo $ECHO_N "checking for style of include used by $am_make... $ECHO_C" >&6; } +am__include="#" +am__quote= +_am_result=none +# First try GNU make style include. +echo "include confinc" > confmf +# We grep out `Entering directory' and `Leaving directory' +# messages which can occur if `w' ends up in MAKEFLAGS. +# In particular we don't look at `^make:' because GNU make might +# be invoked under some other name (usually "gmake"), in which +# case it prints its new name instead of `make'. +if test "`$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 + + +{ echo "$as_me:$LINENO: result: $_am_result" >&5 +echo "${ECHO_T}$_am_result" >&6; } +rm -f confinc confmf + +# Check whether --enable-dependency-tracking was given. +if test "${enable_dependency_tracking+set}" = set; then + enableval=$enable_dependency_tracking; +fi + +if test "x$enable_dependency_tracking" != xno; then + am_depcomp="$ac_aux_dir/depcomp" + AMDEPBACKSLASH='\' +fi + + +if test "x$enable_dependency_tracking" != xno; then + AMDEP_TRUE= + AMDEP_FALSE='#' +else + AMDEP_TRUE='#' + AMDEP_FALSE= +fi + + + +# Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$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_CC="gcc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + +depcc="$CC" am_compiler_list= + +{ echo "$as_me:$LINENO: checking dependency style of $depcc" >&5 +echo $ECHO_N "checking dependency style of $depcc... $ECHO_C" >&6; } +if test "${am_cv_CC_dependencies_compiler_type+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then + # We make a subdir and do the tests there. Otherwise we can end up + # making bogus files that we don't know about and never remove. For + # instance it was reported that on HP-UX the gcc test will end up + # making a dummy file named `D' -- because `-MD' means `put the output + # in D'. + mkdir conftest.dir + # Copy depcomp to subdir because otherwise we won't find it if we're + # using a relative directory. + cp "$am_depcomp" conftest.dir + cd conftest.dir + # We will build objects and dependencies in a subdirectory because + # it helps to detect inapplicable dependency modes. For instance + # both Tru64's cc and ICC support -MD to output dependencies as a + # side effect of compilation, but ICC will put the dependencies in + # the current directory while Tru64 will put them in the object + # directory. + mkdir sub + + am_cv_CC_dependencies_compiler_type=none + if test "$am_compiler_list" = ""; then + am_compiler_list=`sed -n 's/^#*$[a-zA-Z0-9]*$)$/\1/p' < ./depcomp` + fi + for depmode in $am_compiler_list; do + # Setup a source with many dependencies, because some compilers + # like to wrap large dependency lists on column 80 (with \), and + # we should not choose a depcomp mode which is confused by this. + # + # We need to recreate these files for each test, as the compiler may + # overwrite some of them when testing with obscure command lines. + # This happens at least with the AIX C compiler. + : > sub/conftest.c + for i in 1 2 3 4 5 6; do + echo '#include "conftst'$i'.h"' >> sub/conftest.c + # Using `: > sub/conftst$i.h' creates only sub/conftst1.h with + # Solaris 8's {/usr,}/bin/sh. + touch sub/conftst$i.h + done + echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf + + case $depmode in + nosideeffect) + # after this tag, mechanisms are not by side-effect, so they'll + # only be used when explicitly requested + if test "x$enable_dependency_tracking" = xyes; then + continue + else + break + fi + ;; + none) break ;; + esac + # We check with `-c' and `-o' for the sake of the "dashmstdout" + # mode. It turns out that the SunPro C++ compiler does not properly + # handle `-M -o', and we need to detect this. + if depmode=$depmode \ + source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \ + depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \ + $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \ + >/dev/null 2>conftest.err && + grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 && + grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 && + ${MAKE-make} -s -f confmf > /dev/null 2>&1; then + # icc doesn't choke on unknown options, it will just issue warnings + # or remarks (even with -Werror). So we grep stderr for any message + # that says an option was ignored or not supported. + # When given -MP, icc 7.0 and 7.1 complain thusly: + # icc: Command line warning: ignoring option '-M'; no argument required + # The diagnosis changed in icc 8.0: + # icc: Command line remark: option '-MP' not supported + if (grep 'ignoring option' conftest.err || + grep 'not supported' conftest.err) >/dev/null 2>&1; then :; else + am_cv_CC_dependencies_compiler_type=$depmode + break + fi + fi + done + + cd .. + rm -rf conftest.dir +else + am_cv_CC_dependencies_compiler_type=none +fi + +fi +{ echo "$as_me:$LINENO: result: $am_cv_CC_dependencies_compiler_type" >&5 +echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; } +CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type + + + +if + test "x$enable_dependency_tracking" != xno \ + && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then + am__fastdepCC_TRUE= + am__fastdepCC_FALSE='#' +else + am__fastdepCC_TRUE='#' + am__fastdepCC_FALSE= +fi + + +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_CC+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$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 + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done +done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { echo "$as_me:$LINENO: result: $CC" >&5 +echo "${ECHO_T}$CC" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + + test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable cc found in \$PATH" >&5 +echo "$as_me: error: no acceptable cc found in \$PATH" >&2;} + { (exit 1); exit 1; }; } +fi + +{ echo "$as_me:$LINENO: checking whether we are using GNU C" >&5 +echo $ECHO_N "checking whether we are using GNU C... $ECHO_C" >&6; } +if test "${ac_cv_c_compiler_gnu+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } | egrep yes >/dev/null 2>&1; then + ac_cv_c_compiler_gnu=yes +else + ac_cv_c_compiler_gnu=no +fi +fi +{ echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5 +echo "${ECHO_T}$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=$CFLAGS +{ echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5 +echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6; } +if test "${ac_cv_prog_cc_g+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_save_c_werror_flag=$ac_c_werror_flag + ac_c_werror_flag=yes + ac_cv_prog_cc_g=no + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + CFLAGS="" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + : +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_c_werror_flag=$ac_save_c_werror_flag + CFLAGS="-g" + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5 + (eval "$ac_compile") 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && { + test -z "$ac_c_werror_flag" || + test ! -s conftest.err + } && test -s conftest.$ac_objext; then + ac_cv_prog_cc_g=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + +fi + +rm -f core conftest.err conftest.$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 +{ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5 +echo "${ECHO_T}$ac_cv_prog_cc_g" >&6; } +if test "$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=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$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="${ac_tool_prefix}ranlib" + echo "$as_me:$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 + { echo "$as_me:$LINENO: result: $RANLIB" >&5 +echo "${ECHO_T}$RANLIB" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}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=$2 +{ echo "$as_me:$LINENO: checking for $ac_word" >&5 +echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; } +if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + if test -n "$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" + echo "$as_me:$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 + { echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5 +echo "${ECHO_T}$ac_ct_RANLIB" >&6; } +else + { echo "$as_me:$LINENO: result: no" >&5 +echo "${ECHO_T}no" >&6; } +fi + + if test "x$ac_ct_RANLIB" = x; then + RANLIB=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&5 +echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools +whose name does not start with the host triplet. If you think this +configuration is useful to you, please write to autoconf@gnu.org." >&2;} +ac_tool_warned=yes ;; +esac + RANLIB=$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=$CFLAGS + + + + +host_makefile_frag=${srcdir}/../config/default.mh + +host_makefile_frag_path=$host_makefile_frag + + + +ac_config_files="$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 $ac_var in #( + *_cv_*) { echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5 +echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + *) $as_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 "$cache_file"; then + test "x$cache_file" != "x/dev/null" && + { echo "$as_me:$LINENO: updating cache $cache_file" >&5 +echo "$as_me: updating cache $cache_file" >&6;} + cat confcache >$cache_file + else + { echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5 +echo "$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='${prefix}' + +# Transform confdefs.h into DEFS. +# Protect against shell expansion while executing Makefile rules. +# Protect against Makefile macro expansion. +# +# If the first sed substitution is executed (which looks for macros that +# take arguments), then branch to the quote section. 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When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext" + ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + { { echo "$as_me:$LINENO: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&5 +echo "$as_me: error: conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." >&2;} + { (exit 1); exit 1; }; } +fi + +: ${CONFIG_STATUS=./config.status} +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5 +echo "$as_me: creating $CONFIG_STATUS" >&6;} +cat >$CONFIG_STATUS <<_ACEOF +#! $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} +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF +## --------------------- ## +## M4sh Initialization. ## +## --------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then + emulate sh + NULLCMD=: + # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which + # is contrary to our usage. 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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 || { (exit 1); exit 1; } +fi +

configure Property changes : Added: svn:executable ## -0,0 +1 ## +* \ No newline at end of property Index: open.c =================================================================== --- open.c (nonexistent) +++ open.c (revision 816) @@ -0,0 +1,31 @@ +/* open.c -- open a file. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 +#include "glue.h" + +/* + * open -- open a file descriptor. We don't have a filesystem, so + * we return an error. + */ +int +_DEFUN (_open, (buf, flags, mode), + const char *buf _AND + int flags _AND + int mode) +{ + errno = EIO; + return (-1); +} +

open.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: Makefile.in =================================================================== --- Makefile.in (nonexistent) +++ Makefile.in (revision 816) @@ -0,0 +1,131 @@ +# +# + +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) + +INSTALL = @INSTALL@ +INSTALL_PROGRAM = @INSTALL_PROGRAM@ +INSTALL_DATA = @INSTALL_DATA@ + +# Multilib support variables. +# TOP is used instead of MULTI{BUILD,SRC}TOP. +MULTIDIRS = +MULTISUBDIR = + +SHELL = /bin/sh + +CC = @CC@ + +AS = @AS@ +AR = @AR@ +LD = @LD@ +RANLIB = @RANLIB@ + +# Yuk. +OBJCOPY = $(subst ranlib,objcopy,$(RANLIB)) + +OBJS = isatty.o +CFLAGS = -g -O2 +ASFLAGS = --gdwarf2 +SCRIPTS = +CRT = crt0.o crti.o crtn.o + +# Here is all of the simulator stuff +SIM_SCRIPTS = sim_high.ld sim_rom.ld +SIM_LDFLAGS = +SIM_BSP = libsim.a +SIM_OBJS = syscalls.o sim_malloc_start.o + +# Here is stuff for building apps for GDB on the EVA board +EVA_APP_BSP = libeva_app.a +EVA_APP_OBJS = close.o fstat.o getpid.o kill.o lseek.o open.o \ + stat.o unlink.o eva_app.o +EVA_APP_SCRIPTS = eva_app.ld + +# Stub stuff +EVA_STUB_HEX = eva_stub.hex +EVA_STUB = eva_stub.elf +EVA_STUB_OBJS = xstormy16_stub.o crt0_stub.o + +# 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: ${MON_CRT0} ${MON_BSP} +all: ${CRT} ${SIM_BSP} ${EVA_APP_BSP} ${EVA_STUB_HEX} + +# +# here's where we build the board support packages for each target +# +${SIM_BSP}: ${OBJS} ${SIM_OBJS} + ${AR} ${ARFLAGS} ${SIM_BSP} ${SIM_OBJS} ${OBJS} + ${RANLIB} ${SIM_BSP} + +${EVA_APP_BSP}: ${OBJS} ${EVA_APP_OBJS} + ${AR} ${ARFLAGS} ${EVA_APP_BSP} ${EVA_APP_OBJS} ${OBJS} + ${RANLIB} ${EVA_APP_BSP} + +${EVA_STUB_HEX}: ${EVA_STUB} + ${OBJCOPY} -O ihex $< $@ + +${EVA_STUB}: ${EVA_STUB_OBJS} ${srcdir}/eva_stub.ld + ${CC} -g -Os -nostartfiles -T${srcdir}/eva_stub.ld ${EVA_STUB_OBJS} -o $@ + + +# +# here's where we build the test programs for each target +# +.PHONY: test +test: + true + +# +# +# +.c.S: + ${CC} ${CFLAGS_FOR_TARGET} -c $< + +clean mostlyclean: + rm -f a.out core *.i *.o *-test *.srec *.dis *.x *.hex $(SIM_BSP) $(EVA_APP_BSP) $(EVA_STUB) + +distclean maintainer-clean realclean: clean + rm -f Makefile config.status *~ + +.PHONY: install info install-info clean-info +install: + set -e; for x in ${SIM_BSP} ${CRT} ${EVA_APP_BSP} ${EVA_STUB_HEX} ${EVA_STUB} ; do\ + ${INSTALL_DATA} $$x $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$$x; \ + done + @for script in ${SCRIPTS} ${SIM_SCRIPTS} ${EVA_APP_SCRIPTS}; do\ + ${INSTALL_DATA} ${srcdir}/$${script} $(DESTDIR)${tooldir}/lib${MULTISUBDIR}/$${script}; \ + 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 Index: lseek.c =================================================================== --- lseek.c (nonexistent) +++ lseek.c (revision 816) @@ -0,0 +1,31 @@ +/* lseek.c -- move read/write pointer. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 +#include +#include "glue.h" + +/* + * lseek -- Since a serial port is non-seekable, we return an error. + */ +off_t +_DEFUN (_lseek, (fd, offset, whence), + int fd _AND + off_t offset _AND + int whence) +{ + errno = ESPIPE; + return ((off_t)-1); +} +

lseek.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: sim_high.ld =================================================================== --- sim_high.ld (nonexistent) +++ sim_high.ld (revision 816) @@ -0,0 +1,135 @@ +/* A modified version of the basic linker script, for testing purposes, + which puts all code above 0x10000. */ +OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16", + "elf32-xstormy16") +OUTPUT_ARCH(xstormy16) +ENTRY(_start) + SEARCH_DIR(/es/scratch/geoffk/objs/mainline-sX/H-i686-pc-linux-gnulibc2.2/xstormy16-elf/lib); +/* There are two memory regions we care about, one from 0 through 0x7F00 + that is RAM and one from 0x8000 up which is ROM. */ +MEMORY +{ + RAM (w) : ORIGIN = 0, LENGTH = 0x7F00 + LOROM (!w) : ORIGIN = 0x8000, LENGTH = 0x8000 + HIROM (!w) : ORIGIN = 0x10000, LENGTH = 0xFF0000 +} +SECTIONS +{ + .data : + { + __data = .; + __rdata = .; + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > RAM + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss) + *(.bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. */ + . = ALIGN(2); + } > RAM + . = ALIGN(2); + __stack = .; + _end = .; + PROVIDE (end = .); + /* Read-only sections in ROM. */ + .int_vec : { *(.int_vec) } > LOROM + .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } > LOROM + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > LOROM + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > LOROM + .eh_frame : { KEEP (*(.eh_frame)) } > LOROM + .gcc_except_table : { *(.gcc_except_table) } > LOROM + .jcr : { *(.jcr) } > LOROM + .plt : { *(.plt) } > LOROM + .text : + { + *(.text) + *(.text.*) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } > HIROM =0 + .init : + { + KEEP (*(.init)) + } > HIROM =0 + .fini : + { + KEEP (*(.fini)) + } > HIROM =0 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .debug_ranges 0 : { *(.debug_ranges) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* These must appear regardless of . */ +} Index: close.c =================================================================== --- close.c (nonexistent) +++ close.c (revision 816) @@ -0,0 +1,25 @@ +/* close.c -- close a file descriptor. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 "glue.h" + +/* + * close -- We don't need to do anything, but pretend we did. + */ +int +_DEFUN (_close ,(fd), + int fd) +{ + return (0); +}

close.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: configure.in =================================================================== --- configure.in (nonexistent) +++ configure.in (revision 816) @@ -0,0 +1,38 @@ +dnl Process this file with autoconf to produce a configure script. +AC_PREREQ(2.59) +AC_INIT(crt0.s) + +AC_CANONICAL_SYSTEM +AC_ARG_PROGRAM + +if test "$srcdir" = "." ; then + mdir=`echo "${with_multisubdir}/" \ + | sed -e 's,$[[^/]][[^/]]*$,..,g' -e 's,^/$,,'` + AC_CONFIG_AUX_DIR(${mdir}../../..) +else + AC_CONFIG_AUX_DIR(${srcdir}/../..) +fi + +AC_PROG_INSTALL + +LIB_AC_PROG_CC +AS=${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_OUTPUT(Makefile)

configure.in Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: stat.c =================================================================== --- stat.c (nonexistent) +++ stat.c (revision 816) @@ -0,0 +1,30 @@ +/* stat.c -- Get the status of a file. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 +#include +#include "glue.h" + +/* + * stat -- Since we have no file system, we just return an error. + */ +int +_DEFUN (_stat, (path, buf), + const char *path _AND + struct stat *buf) +{ + errno = EIO; + return (-1); +} +

stat.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: eva_app.c =================================================================== --- eva_app.c (nonexistent) +++ eva_app.c (revision 816) @@ -0,0 +1,78 @@ +/* eva_app.c -- Glue code for linking apps to run under GDB debugger control. + * + * Copyright (c) 2001 Red Hat, 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 "glue.h" + +typedef void (*write_proc_t)(char *buf, int nbytes); +typedef int (*read_proc_t)(char *buf, int nbytes); + +/* There is no "syscall", so we just call directly into the stub code + at fixed addresses. */ +#define STUB_WRITE(p,n) ((write_proc_t)0x8084)((p),(n)) +#define STUB_READ(p,n) ((read_proc_t)0x8088)((p),(n)) + +/* + * print -- do a raw print of a string + */ +void +print(char *ptr) +{ + STUB_WRITE(ptr, strlen(ptr)); +} + +/* + * write -- write bytes to the serial port. Ignore fd, since + * stdout and stderr are the same. Since we have no filesystem, + * open will only return an error. + */ +int +_write (int fd, char *buf, int nbytes) +{ + STUB_WRITE(buf, nbytes); + return (nbytes); +} + +int +_read (int fd, char *buf, int nbytes) +{ + return STUB_READ(buf, nbytes); +} + +extern char _end[]; +#define HEAP_LIMIT ((char *)0xffff) + +void * +_sbrk(int inc) +{ + static char *heap_ptr = _end; + void *base; + + if (inc > (HEAP_LIMIT - heap_ptr)) + return (void *)-1; + + base = heap_ptr; + heap_ptr += inc; + + return base; +} + +void +_exit(int n) +{ + while (1) + { + asm volatile ("nop"); + asm volatile (".hword 0x0006"); /* breakpoint (special illegal insn) */ + } +}

eva_app.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: sim_malloc_start.s =================================================================== --- sim_malloc_start.s (nonexistent) +++ sim_malloc_start.s (revision 816) @@ -0,0 +1,5 @@ +# This file just defines __malloc_start for newlib for the simulator. +# The simulator has RAM up to the I/O area at 0x7F00. + .globl __malloc_start + .set __malloc_start,0x7F00 +

sim_malloc_start.s Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: getpid.c =================================================================== --- getpid.c (nonexistent) +++ getpid.c (revision 816) @@ -0,0 +1,25 @@ +/* getpid.c -- get the current process id. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 "glue.h" + +/* + * getpid -- only one process, so just return 1. + */ +int +_DEFUN (_getpid, (), + ) +{ + return __MYPID; +}

getpid.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: syscalls.S =================================================================== --- syscalls.S (nonexistent) +++ syscalls.S (revision 816) @@ -0,0 +1,162 @@ +# xstormy16 system calls for the simulator + +#include + + .text + + .globl _exit +_exit: + mov r1,#SYS_exit + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size exit,0b-_exit + + .globl _open +_open: + mov r1,#SYS_open + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size open,0b-_open + + .globl _close +_close: + mov r1,#SYS_close + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size close,0b-_close + + .globl _read +_read: + mov r1,#SYS_read + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size read,0b-_read + + .globl _write +_write: + mov r1,#SYS_write + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size write,0b-_write + + .globl _lseek +_lseek: + mov r1,#SYS_lseek + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size lseek,0b-_lseek + + .globl _unlink +_unlink: + mov r1,#SYS_unlink + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size unlink,0b-_unlink + + .globl _getpid +_getpid: + mov r1,#SYS_getpid + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size getpid,0b-_getpid + + .globl _kill +_kill: + mov r1,#SYS_kill + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size kill,0b-_kill + + .globl _fstat +_fstat: + mov r1,#SYS_fstat + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size fstat,0b-_fstat + + .globl _chdir +_chdir: + mov r1,#SYS_chdir + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size chdir,0b-_chdir + + .globl _stat +_stat: + mov r1,#SYS_stat + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size stat,0b-_stat + + .globl _chmod +_chmod: + mov r1,#SYS_chmod + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size chmod,0b-_chmod + + .globl _utime +_utime: + mov r1,#SYS_utime + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size utime,0b-_utime + + .globl _time +_time: + mov r1,#SYS_time + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size time,0b-_time + + .globl _gettimeofday +_gettimeofday: + mov r1,#SYS_gettimeofday + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size gettimeofday,0b-_gettimeofday + + .globl _times +_times: + mov r1,#SYS_times + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size times,0b-_times + + .globl _link +_link: + mov r1,#SYS_link + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size link,0b-_link + +syscall_error: +# Return value for the syscall is in r2. Save it here, as +# _errno will overwrite it with the address of the errno +# variable. r0 is the errno. + push r2 + push r0 + callf __errno + pop r0 + mov.w (r2),r0 + pop r2 + ret +0: .size syscall_error,0b-syscall_error

syscalls.S Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: isatty.c =================================================================== --- isatty.c (nonexistent) +++ isatty.c (revision 816) @@ -0,0 +1,27 @@ +/* isatty.c -- chek the terminal device. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 "glue.h" + +/* + * isatty -- returns 1 if connected to a terminal device, + * returns 0 if not. Since we're hooked up to a + * serial port, we'll say yes _AND return a 1. + */ +int +_DEFUN (_isatty, (fd), + int fd) +{ + return (1); +}

isatty.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: crti.s =================================================================== --- crti.s (nonexistent) +++ crti.s (revision 816) @@ -0,0 +1,9 @@ + .section .init,"ax" + .align 1 + .globl _init +_init: + + .section .fini,"ax" + .align 1 + .globl _fini +_fini:

crti.s Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: fstat.c =================================================================== --- fstat.c (nonexistent) +++ fstat.c (revision 816) @@ -0,0 +1,30 @@ +/* fstat.c -- get status of a file. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 +#include "glue.h" + +/* + * fstat -- Since we have no file system, we just return an error. + */ +int +_DEFUN (_fstat, (fd, buf), + int fd _AND + struct stat *buf) +{ + buf->st_mode = S_IFCHR; /* Always pretend to be a tty */ + buf->st_blksize = 0; + + return (0); +}

fstat.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: sim_rom.ld =================================================================== --- sim_rom.ld (nonexistent) +++ sim_rom.ld (revision 816) @@ -0,0 +1,139 @@ +/* Test xstormy16 programs that have initial data in ROM and copy it + to RAM. */ + +OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16", + "elf32-xstormy16") +OUTPUT_ARCH(xstormy16) +ENTRY(_start) + SEARCH_DIR(/cuddles/aph/sanyo-011113-branch/install/xstormy16-elf/lib); +/* There are two memory regions we care about, one from 0 through 0x7F00 + that is RAM and one from 0x8000 up which is ROM. */ +MEMORY +{ + RAM (w) : ORIGIN = 0, LENGTH = 0x7F00 + ROM (!w) : ORIGIN = 0x8000, LENGTH = 0xFF8000 +} +SECTIONS +{ + /* Read-only sections in ROM. */ + .int_vec : { *(.int_vec) } > ROM + .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } > ROM + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > ROM + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > ROM + .jcr : { KEEP (*(.jcr)) } > ROM + .eh_frame : { KEEP (*(.eh_frame)) } > ROM + .gcc_except_table : { *(.gcc_except_table) } > ROM + .plt : { *(.plt) } > ROM + .text : + { + *(.text) + *(.text.*) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } > ROM =0 + .init : + { + KEEP (*(.init)) + } > ROM =0 + .fini : + { + KEEP (*(.fini)) + } > ROM =0 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + . = ALIGN(2); + __rdata = .; + .data : AT (__rdata) + { + __data = .; + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > RAM + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + /* Why do we need to give bss an AT address at all? Because if we + don't, ld will generate another program header for it rather than + using the one for .data. */ + .bss : AT (LOADADDR(.data) + SIZEOF(.data)) + { + *(.dynbss) + *(.bss) + *(.bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. */ + . = ALIGN(2); + } > RAM + . = ALIGN(2); + _end = .; + __stack = .; + PROVIDE (end = .); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .debug_ranges 0 : { *(.debug_ranges) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* These must appear regardless of . */ +} Index: eva_stub.ld =================================================================== --- eva_stub.ld (nonexistent) +++ eva_stub.ld (revision 816) @@ -0,0 +1,142 @@ +OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16", + "elf32-xstormy16") +OUTPUT_ARCH(xstormy16) +ENTRY(_start) + +MEMORY +{ + CPUDATA (!w) : ORIGIN = 0x7F00, LENGTH = 0x100 + ROM (w) : ORIGIN = 0x8000, LENGTH = 0x1000 +} + +/* Point interrupt vectors to user application. */ +PROVIDE (_int_basetimer = 0x10004); +PROVIDE (_int_timer0 = 0x10008); +PROVIDE (_int_timer1 = 0x1000C); +PROVIDE (_int_sio0 = 0x10010); +PROVIDE (_int_sio1 = 0x10014); +PROVIDE (_int_port0 = 0x10018); +PROVIDE (_int_port1 = 0x1001C); + +SECTIONS +{ + /* CPU data for Sanyo debugger */ + .cpudata : { KEEP (*(.cpudata)) } > CPUDATA + /* Read-only sections in ROM. */ + .int_vec : { *(.int_vec) } > ROM + .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } > ROM + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > ROM + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > ROM + .eh_frame : { KEEP (*(.eh_frame)) } > ROM + .gcc_except_table : { *(.gcc_except_table) } > ROM + .jcr : { *(.jcr) } > ROM + .plt : { *(.plt) } > ROM + .text : + { + *(.text) + *(.text.*) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } > ROM =0 + .init : + { + KEEP (*(.init)) + } > ROM =0 + .fini : + { + KEEP (*(.fini)) + } > ROM =0 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + .data : + { + __data = .; + __rdata = .; + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > ROM + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss) + *(.bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. */ + . = ALIGN(2); + } > ROM + . = ALIGN(2); + _end = .; + PROVIDE (end = .); + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .debug_ranges 0 : { *(.debug_ranges) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* These must appear regardless of . */ +} Index: crt0_stub.s =================================================================== --- crt0_stub.s (nonexistent) +++ crt0_stub.s (revision 816) @@ -0,0 +1,151 @@ +# XSTORMY16 startup code for GDB stub. + +# CPU Data for Sanyo EVA debugger at 0x7F00 + .section .cpudata,"ax" + .byte 0x00,0x02,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x44,0x35,0x39,0x52,0x30,0x30,0x30,0x30,0x2E,0x4F,0x50,0x54,0x00,0x00,0x00,0x00 + .byte 0x4c,0x43,0x35,0x39,0x52,0x30,0x30,0x30,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x04,0x80,0x00,0x20,0x48,0x00,0x00,0x00 + .byte 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x20,0x01,0x12,0x31,0x23,0x59 + +# Interrupt vectors at 0x8000. + .section .int_vec,"ax" + .global _start + .align 1 +_start: + ;; Reset, watchdog timer interrupt + jmpf _int_reset + ;; base timer interrupt + jmpf _int_basetimer + ;; timer 0 + jmpf _int_timer0 + ;; timer 1 + jmpf _int_timer1 + ;; SIO0 interrupt + jmpf _int_sio0 + ;; SIO1 interrupt + jmpf _int_sio1 + ;; port0 interrupt + jmpf _int_port0 + ;; port1 interrupt + jmpf _int_port1 + + .org 0x80 + ;; sys interrupt (0x8080) + jmpf _int_sys + + ;; Application void write(char *buf, int nbytes) + ;; This jmps to a stub function to packetize the buf for GDB + jmpf gdb_write + ;; Application int read(char *buf, int nbytes) + jmpf gdb_read + + .text +# Reset code, set up memory and call main. +_int_reset: + ;; Set up the application stack pointer. + mov sp,#0x002 + + ;; Zero the data space + mov r0,#_edata + mov r1,#_end + mov r2,#0 +0: mov.w (r0++),r2 + blt r0,r1,0b + + ;; Init the UART + callf uart_init + + ;; Turn on illegal insn trap + mov r0,r14 + set1 r0,#11 + mov r14,r0 + mov.b 0x7f08,#0x11 + mov.b 0x7f09,#0x10 + + ;; "breakpoint" sends us into stub. +0: + .hword 0x0006 + br 0b + +_int_sys: + push r13 + mov r13,#registers + mov.w (r13++),r0 + mov.w (r13++),r1 + mov.w (r13++),r2 + mov.w (r13++),r3 + mov.w (r13++),r4 + mov.w (r13++),r5 + mov.w (r13++),r6 + mov.w (r13++),r7 + mov r0,r8 + mov.w (r13++),r0 + mov r0,r9 + mov.w (r13++),r0 + mov r0,r10 + mov.w (r13++),r0 + mov r0,r11 + mov.w (r13++),r0 + mov r0,r12 + mov.w (r13++),r0 + pop r0 + mov.w (r13++),r0 ; R13 + pop r0 + mov.w (r13++),r0 ; PSW + mov r0,r15 + sub r0,#4 + mov.w (r13++),r0 ; SP + pop r0 + pop r1 + mov.w (r13++),r1 ; PCL + mov.w (r13++),r0 ; PCH + + ;; switch to stub stack and invoke stub + mov sp,#0x700 + callf handle_exception + + mov r0,#registers+34 + mov.w r1,(r0) ; PCH + mov.w r2,(--r0) ; PCL + mov.w r3,(--r0) ; SP + mov r15,r3 + push r2 + push r1 + mov.w r1,(--r0) ; PSW + push r1 + mov.w r1,(--r0) + mov r13,r1 + mov.w r1,(--r0) + mov r12,r1 + mov.w r1,(--r0) + mov r11,r1 + mov.w r1,(--r0) + mov r10,r1 + mov.w r1,(--r0) + mov r9,r1 + mov.w r1,(--r0) + mov r8,r1 + mov.w r7,(--r0) + mov.w r6,(--r0) + mov.w r5,(--r0) + mov.w r4,(--r0) + mov.w r3,(--r0) + mov.w r2,(--r0) + mov.w r1,(--r0) + mov.w r0,(--r0) + iret +1: .size _int_sys,1b-_int_sys + +

crt0_stub.s Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: crtn.s =================================================================== --- crtn.s (nonexistent) +++ crtn.s (revision 816) @@ -0,0 +1,5 @@ + .section .init,"ax" + ret + + .section .fini,"ax" + ret

crtn.s Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: eva_app.ld =================================================================== --- eva_app.ld (nonexistent) +++ eva_app.ld (revision 816) @@ -0,0 +1,133 @@ +OUTPUT_FORMAT("elf32-xstormy16", "elf32-xstormy16", + "elf32-xstormy16") +OUTPUT_ARCH(xstormy16) +ENTRY(_start) +GROUP(-lc -leva_app -lgcc) + +MEMORY +{ + RAM (w) : ORIGIN = 0x9000, LENGTH = 0x7000 + ROM (!w) : ORIGIN = 0x10000, LENGTH = 0x70000 +} + +SECTIONS +{ + __stack = 2 ; + __malloc_start = 0x800; + .data : + { + __rdata = .; + __data = .; + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + SORT(CONSTRUCTORS) + } > RAM + /* Read-only sections */ + .rodata : { *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) } > RAM + .ctors : + { + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + KEEP (*crtbegin.o(.ctors)) + /* We don't want to include the .ctor section from + from the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + KEEP (*(EXCLUDE_FILE (*crtend.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + } > RAM + .dtors : + { + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > RAM + .eh_frame : { KEEP (*(.eh_frame)) } > RAM + .gcc_except_table : { *(.gcc_except_table) } > RAM + .jcr : { *(.jcr) } > RAM + .plt : { *(.plt) } > RAM + _edata = .; + PROVIDE (edata = .); + __bss_start = .; + .bss : + { + *(.dynbss) + *(.bss) + *(.bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. */ + . = ALIGN(2); + } > RAM + . = ALIGN(2); + _end = .; + PROVIDE (end = .); + .text : + { + *(.int_vec) + *(.text) + *(.text.*) + *(.stub) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.gnu.linkonce.t.*) + } > ROM =0 + .init : + { + KEEP (*(.init)) + } > ROM =0 + .fini : + { + KEEP (*(.fini)) + } > ROM =0 + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + Symbols in the DWARF debugging sections are relative to the beginning + of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + .debug_ranges 0 : { *(.debug_ranges) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + /* These must appear regardless of . */ +} Index: crt0.s =================================================================== --- crt0.s (nonexistent) +++ crt0.s (revision 816) @@ -0,0 +1,114 @@ +# XSTORMY16 startup code + +# Interrupt vectors at 0x8000. + .section .int_vec,"ax" + .global _start + .align 1 +_start: + ;; Reset, watchdog timer interrupt + jmpf _int_reset + ;; base timer interrupt + jmpf _int_basetimer + ;; timer 0 + jmpf _int_timer0 + ;; timer 1 + jmpf _int_timer1 + ;; SIO0 interrupt + jmpf _int_sio0 + ;; SIO1 interrupt + jmpf _int_sio1 + ;; port0 interrupt + jmpf _int_port0 + ;; port1 interrupt + jmpf _int_port1 + +# Reset code, set up memory and call main. + .section .rodata +2: .word __rdata + .text +_int_reset: + ;; Set up the stack pointer. + mov r0,#__stack + bz r0,#0,0f + mov sp,r0 +0: + ;; Zero the data space + mov r0,#_edata + mov r1,#_end + mov r2,#0 +0: mov.w (r0++),r2 + blt r0,r1,0b + + ;; Copy data from ROM into RAM. ROM area may be above 64k, + ;; but RAM may not. + mov r1,#__data + mov r3,#_edata + mov r4,#2b + mov.w r0,(r4++) + mov.w r2,(r4) + mov r8,r2 + ;; If _data == _rdata there's no need to copy anything. + bnz r0,r1,0f + bz r2,#0,1f +0: movf.w r2,(r0++) + bnz r0,#0,2f + add r8,#1 +2: mov.w (r1++),r2 + blt r1,r3,0b +1: + ;; Call hardware init routine + callf _hwinit + ;; Call initialization routines + callf _init + ;; Set up fini routines to be called from exit + mov r2,#@fptr(_fini) + callf atexit + ;; Call main() with empty argc/argv/envp + mov r2,#0 + mov r3,#0 + mov r4,#0 + callf main + ;; Exit. + callf exit + ;; Should never reach this code. + halt +1: .size _int_reset,1b-_int_reset + +# Stub interrupt routines. + .globl _int_timer0 + .weak _int_timer0 + .globl _int_timer1 + .weak _int_timer1 + .globl _int_sio0 + .weak _int_sio0 + .globl _int_sio1 + .weak _int_sio1 + .globl _int_port0 + .weak _int_port0 + .globl _int_port1 + .weak _int_port1 + .globl _int_basetimer + .weak _int_basetimer +_int_timer0: +_int_timer1: +_int_sio0: +_int_sio1: +_int_port0: +_int_port1: +_int_basetimer: + iret +1: .size _int_timer0,1b-_int_timer0 + +# Stub hardware init + .globl _hwinit + .weak _hwinit +_hwinit: + ret +1: .size _int_hwinit,1b-_int_hwinit + +# The first word in .data has address 0, so it's not a good +# idea to use it as its address conflicts with NULL. +# Place a HALT instruction there to try to catch NULL pointer +# dereferences. + .data + halt

crt0.s Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: xstormy16_stub.c =================================================================== --- xstormy16_stub.c (nonexistent) +++ xstormy16_stub.c (revision 816) @@ -0,0 +1,837 @@ +/**************************************************************************** + + THIS SOFTWARE IS NOT COPYRIGHTED + + HP offers the following for use in the public domain. HP makes no + warranty with regard to the software or it's performance and the + user accepts the software "AS IS" with all faults. + + HP DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD + TO THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + +****************************************************************************/ + +/**************************************************************************** + * Header: remcom.c,v 1.34 91/03/09 12:29:49 glenne Exp $ + * + * Module name: remcom.c $ + * Revision: 1.34 $ + * Date: 91/03/09 12:29:49 $ + * Contributor: Lake Stevens Instrument Division$ + * + * Description: low level support for gdb debugger. $ + * + * Considerations: only works on target hardware $ + * + * Written by: Glenn Engel $ + * ModuleState: Experimental $ + * + * NOTES: See Below $ + * + * Heavily modified for XStormy16 by Mark Salter, Red Hat. + * Optimisations and 'X' support by Geoff Keating, Red Hat. + * + * To enable debugger support, two things need to happen. One, a + * call to set_debug_traps() is necessary in order to allow any breakpoints + * or error conditions to be properly intercepted and reported to gdb. + * Two, a breakpoint needs to be generated to begin communication. This + * is most easily accomplished by a call to breakpoint(). Breakpoint() + * simulates a breakpoint by executing a trap #1. + * + * Because gdb will sometimes write to the stack area to execute function + * calls, this program cannot rely on using the inferior stack so it uses + * it's own stack area. + * + ************* + * + * The following gdb commands are supported: + * + * command function Return value + * + * g return the value of the CPU registers hex data or ENN + * G set the value of the CPU registers OK or ENN + * + * mAA..AA,LLLL Read LLLL bytes at address AA..AA hex data or ENN + * MAA..AA,LLLL: Write LLLL bytes at address AA.AA OK or ENN + * XAA..AA,LLLL: Write LLLL binary bytes at address OK or ENN + * AA..AA + * + * c Resume at current address SNN ( signal NN) + * cAA..AA Continue at address AA..AA SNN + * + * s Step one instruction SNN + * sAA..AA Step one instruction from AA..AA SNN + * + * k kill + * + * ? What was the last sigval ? SNN (signal NN) + * + * All commands and responses are sent with a packet which includes a + * checksum. A packet consists of + * + * $#. + * + * where + * :: + * :: > + * + * When a packet is received, it is first acknowledged with either '+' or '-'. + * '+' indicates a successful transfer. '-' indicates a failed transfer. + * + * Example: + * + * Host: Reply: + * $m0,10#2a +$00010203040506070809101112131415#42 + * + ****************************************************************************/ + +/* Local functions: + */ +static void putDebugChar(unsigned ch); +static unsigned char getDebugChar(void); +static void putPacket(unsigned char *); +static void putHex (char c, unsigned long mem_arg, int count); +static unsigned char *getpacket(void); +static void hex2mem(unsigned char *, unsigned long, int); +static int valid_addr_range (unsigned long mem, int count); +static int hexToInt(unsigned char **, long *); +static void prepare_to_step(void); +static void finish_from_step(void); + +/* breakpoint opcode */ +#define BREAKPOINT_OPCODE 0x0006 + +/* Error Detection Register */ +#define ERR_DETECT_REG (*(volatile unsigned *)0x7f08) +#define UNDEF_INSN_ENA 0x01 +#define UNDEF_INSN_FLAG 0x02 +#define ODD_ADDR_ENA 0x04 +#define ODD_ADDR_FLAG 0x08 +#define BAD_ADDR_ENA 0x10 +#define BAD_ADDR_FLAG 0x20 +#define SER0_IRQ_ENA 0x1000 +#define SER0_IRQ_FLAG 0x2000 + +/***************************************************************************** + * BUFMAX defines the maximum number of characters in inbound/outbound buffers + * at least NUMREGBYTES*2 are needed for register packets + */ +#define BUFMAX 80 + +static const unsigned char hexchars[]="0123456789abcdef"; + +#define NUMREGS 17 + +/* Number of bytes of registers (extra 2 bytes is for 4 byte PC). */ +#define NUMREGBYTES ((NUMREGS * 2) + 2) +enum regnames { R0, R1, R2, R3, R4, R5, R6, R7, + R8, R9, R10, R11, R12, R13, R14, R15, + PC }; + +#define FP R13 +#define PSW R14 +#define SP R15 + +struct regs { + int r[16]; + long pc; +} registers; + +static struct regs orig_registers; + +static unsigned char remcomBuffer[BUFMAX]; + +/* Indicate whether inferior is running. Used to decide whether or not to + send T packet when stub is entered. */ +static char is_running; + +static inline unsigned char +get_char(unsigned long addr) +{ + unsigned int msw, lsw; + unsigned char ret; + + msw = addr >> 16; + lsw = addr & 0xffff; + + asm("movf.b %0,(%2)\n" + : "=e"(ret) : "d"(msw), "r"(lsw) : "memory"); + + return ret; +} + +static inline void +set_char(unsigned long addr, unsigned int val) +{ + unsigned int msw, lsw; + + msw = addr >> 16; + lsw = addr & 0xffff; + + asm("movf.b (%1),%2\n" + : /* none */ : "d"(msw), "r"(lsw), "e"(val) : "memory" ); +} + +static inline unsigned int +get_word(unsigned long addr) +{ + unsigned int ret, msw, lsw; + + msw = addr >> 16; + lsw = addr & 0xffff; + + asm("movf.w %0,(%2)\n" + : "=e"(ret) : "d"(msw), "r"(lsw) : "memory" ); + + return ret; +} + +static inline void +set_word(unsigned long addr, unsigned int val) +{ + unsigned int msw, lsw; + + msw = addr >> 16; + lsw = addr & 0xffff; + + asm("movf.w (%1),%2\n" + : /* none */ : "d"(msw), "r"(lsw), "e"(val) : "memory" ); +} + +static void +assign_regs (struct regs *dest, const struct regs *src) +{ + int i; + char *d = (char *)dest, *s = (char *)src; + for (i = 0; i < sizeof (struct regs); i++) + *d++ = *s++; +} + +/* Write out a register for a 'T' packet. */ + +static unsigned char * +putreg (unsigned char *buf, int regnum, void *mem_p, int count) +{ + int i; + unsigned char ch; + char *mem = (char *)mem_p; + + *buf++ = hexchars[regnum >> 4]; + *buf++ = hexchars[regnum % 16]; + *buf++ = ':'; + + for (i=0;i> 4]; + *buf++ = hexchars[ch % 16]; + } + *buf++ = ';'; + return(buf); +} + +/* + * This function does all command procesing for interfacing to gdb. + */ +void +handle_exception(void) +{ + char sigval; + unsigned char *ptr; + long addr, length; + + /* reply to host that an exception has occurred */ + sigval = 5; /* SIGTRAP is default */ + if (ERR_DETECT_REG & UNDEF_INSN_FLAG) + { + ERR_DETECT_REG &= ~UNDEF_INSN_FLAG; + registers.pc -= 2; + if (get_word(registers.pc) != BREAKPOINT_OPCODE) + sigval = 4; /* SIGILL */ + } + if (ERR_DETECT_REG & BAD_ADDR_FLAG) + { + ERR_DETECT_REG &= ~BAD_ADDR_FLAG; + sigval = 11; /* SIGSEGV */ + } + if (ERR_DETECT_REG & SER0_IRQ_FLAG) + { + unsigned char ch; + + ch = getDebugChar(); + ERR_DETECT_REG &= ~SER0_IRQ_FLAG; + if (ch != 0x03) + return; + sigval = 2; /* SIGINT */ + } + + finish_from_step(); + + /* save original context so it can be restored as a result of + a kill packet. */ + if (orig_registers.pc == 0L) + assign_regs (&orig_registers, ®isters); + + if (is_running) + { + ptr = remcomBuffer; + + *ptr++ = 'T'; /* notify gdb with signo, PC, FP and SP */ + *ptr++ = hexchars[sigval >> 4]; + *ptr++ = hexchars[sigval & 0xf]; + + ptr = putreg (ptr, PC, ®isters.pc, 4); + ptr = putreg (ptr, FP, ®isters.r[FP], 2); + ptr = putreg (ptr, SP, ®isters.r[SP], 2); + + *ptr++ = 0; + + putPacket(remcomBuffer); + } + + while (1) { + char kind; + + ptr = getpacket(); + kind = *ptr++; + if (kind == 'M' || kind == 'X') + { + /* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */ + /* TRY TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */ + if (hexToInt(&ptr,&addr) + && *(ptr++) == ',' + && hexToInt(&ptr,&length) + && *(ptr++) == ':') + { + if (valid_addr_range (addr, length)) + { + if (kind == 'M') + hex2mem(ptr, addr, length); + else + { + int i; + for (i = 0; i < length; i++) + if (*ptr++ == 0x7d) + set_char (addr++, *ptr++ ^ 0x20); + else + set_char (addr++, ptr[-1]); + + } + putPacket ("OK"); + } + else + putPacket ("E03"); + } + else + putPacket ("E02"); + } + else if (kind == 'm') + { + /* mAA..AA,LLLL Read LLLL bytes at address AA..AA */ + /* TRY TO READ %x,%x. IF SUCCEED, SET PTR = 0 */ + if (hexToInt(&ptr,&addr) + && *(ptr++) == ',' + && hexToInt (&ptr,&length)) + { + if (valid_addr_range (addr, length)) + putHex (0, addr, length); + else + putPacket ("E03"); + } + else + putPacket ("E02"); + } + else if (kind == 'R') + { + if (hexToInt (&ptr, &addr)) + registers.pc = addr; + putPacket ("OK"); + } + else if (kind == '!') + putPacket ("OK"); + else if (kind == '?') + putHex ('S', (unsigned long)(unsigned int)&sigval, 1); + else if (kind == 'g') + putHex (0, (unsigned long)(unsigned int)®isters, NUMREGBYTES); + else if (kind == 'P') + { + /* set the value of a single CPU register - return OK */ + unsigned long regno; + + if (hexToInt (&ptr, ®no) + && *ptr++ == '=' + && regno < NUMREGS) + { + hex2mem (ptr, (unsigned long)(unsigned int)(registers.r + regno), + regno == PC ? 4 : 2); + putPacket ("OK"); + } + else + putPacket ("E01"); + } + else if (kind == 'G') + { + /* set the value of the CPU registers - return OK */ + hex2mem(ptr, (unsigned long)(unsigned int)®isters, NUMREGBYTES); + putPacket ("OK"); + } + else if (kind == 's' || kind == 'c') + { + /* sAA..AA Step one instruction from AA..AA(optional) */ + /* cAA..AA Continue from address AA..AA(optional) */ + /* try to read optional parameter, pc unchanged if no parm */ + + is_running = 1; + + if (hexToInt(&ptr,&addr)) + registers.pc = addr; + + if (kind == 's') /* single-stepping */ + prepare_to_step(); + return; + } + else if (kind == 'k') + { + /* kill the program */ + assign_regs (®isters, &orig_registers); + is_running = 0; + putPacket (""); + } + else + /* Unknown code. Return an empty reply message. */ + putPacket (""); + } +} + +static int +hex (int ch) +{ + if ((ch >= '0') && (ch <= '9')) return (ch-'0'); + if ((ch >= 'a') && (ch <= 'f')) return (ch-'a'+10); + if ((ch >= 'A') && (ch <= 'F')) return (ch-'A'+10); + return (-1); +} + +/* scan for the sequence $# */ + +static unsigned char * +getpacket (void) +{ + unsigned char *buffer = &remcomBuffer[0]; + unsigned checksum; + int count; + char ch; + + while (1) + { + /* wait around for the start character, ignore all other characters */ + while (getDebugChar () != '$') + ; + + checksum = 0; + count = 0; + while ((ch = getDebugChar ()) == '$') + ; + + /* now, read until a # or end of buffer is found */ + while (ch != '#' && count < BUFMAX - 1) + { + checksum = checksum + ch; + buffer[count] = ch; + count = count + 1; + ch = getDebugChar (); + } + buffer[count] = 0; + + if (ch == '#') + { + unsigned xmitcsum; + ch = getDebugChar (); + xmitcsum = hex (ch) << 4; + ch = getDebugChar (); + xmitcsum += hex (ch); + + /* If one of the above 'hex' calls returns -1, xmitcsum will + have high bits set, and so the test below will fail. */ + + if ((checksum & 0xFF) != xmitcsum) + putDebugChar ('-'); /* failed checksum */ + else + { + putDebugChar ('+'); /* successful transfer */ + return &buffer[0]; + } + } + } +} + +/* send the packet in buffer. */ + +static void +putPacket (unsigned char *buffer_p) +{ + /* $#. */ + do { + unsigned checksum; + unsigned char *buffer = buffer_p; + + putDebugChar('$'); + checksum = 0; + + while (*buffer) { + putDebugChar(*buffer); + checksum += *buffer; + buffer++; + } + putDebugChar('#'); + putDebugChar(hexchars[(checksum >> 4) % 16]); + putDebugChar(hexchars[checksum % 16]); + } while (getDebugChar() != '+'); +} + +/* Convert the memory pointed to by mem into hex, and return it as a packet. */ + +static void +putHex (char c, unsigned long mem_arg, int count) +{ + do { + unsigned long mem = mem_arg; + int i; + unsigned checksum; + + putDebugChar('$'); + checksum = 0; + + if (c) + { + checksum = c; + putDebugChar(c); + } + + for (i = 0; i < count; i++) + { + unsigned char c = get_char (mem); + char ch = hexchars[c >> 4]; + putDebugChar(ch); + checksum += ch; + ch = hexchars[c % 16]; + putDebugChar(ch); + checksum += ch; + mem++; + } + putDebugChar('#'); + putDebugChar(hexchars[(checksum >> 4) % 16]); + putDebugChar(hexchars[checksum % 16]); + } while (getDebugChar() != '+'); +} + +/* Function: gdb_write(char *, int) + Make gdb write n bytes to stdout (not assumed to be null-terminated). */ + +void +gdb_write (char *data, int len) +{ + ERR_DETECT_REG &= ~SER0_IRQ_ENA; + putHex ('O', (unsigned long)(unsigned int)data, len); + ERR_DETECT_REG |= SER0_IRQ_ENA; +} + +int +gdb_read (char *buf, int nbytes) +{ + int i = 0; + + ERR_DETECT_REG &= ~SER0_IRQ_ENA; + for (i = 0; i < nbytes; i++) + { + *(buf + i) = getDebugChar(); + if ((*(buf + i) == '\n') || (*(buf + i) == '\r')) + { + (*(buf + i + 1)) = 0; + break; + } + } + ERR_DETECT_REG |= SER0_IRQ_ENA; + return (i); +} + +static int +valid_addr_range (unsigned long mem, int count) +{ + unsigned long last = mem + count - 1; + + if (last < 0x800L) + return 1; + + if (mem < 0x7f00L) + return 0; + + if (last > 0x7ffffL) + return 0; + + return 1; +} + +/* Convert the hex array pointed to by buf into binary to be placed in mem. + Return a pointer to the character AFTER the last byte written. */ + +static void +hex2mem (unsigned char *buf, unsigned long mem, int count) +{ + int i; + unsigned char ch; + + for (i=0;i=0) + { + *intValue = (*intValue <<4) | (unsigned) hexValue; + numChars ++; + } + else + break; + (*ptr)++; + } + return (numChars); +} + + +/* Function: opcode_size + Determine number of bytes in full opcode by examining first word. +*/ +static int +opcode_size(unsigned int opcode) +{ + if ((opcode & 0xff00) == 0) + return 2; + + if ((opcode & 0xf800) == 0) + return 4; + + if ((opcode & 0xf800) == 0x7800) + return 4; + + if ((opcode & 0xf000) == 0xc000) + return 4; + + if ((opcode & 0xf100) == 0x2000) + return 4; + + if ((opcode & 0xfff0) == 0x30e0) + return 4; + + if ((opcode & 0xf008) == 0x6008) + return 4; + + if ((opcode & 0xf808) == 0x7008) + return 4; + + opcode >>= 8; + if (opcode == 0x0c || opcode == 0x0d || opcode == 0x31) + return 4; + + return 2; +} + +static struct { + unsigned long addr; + unsigned long addr2; + unsigned int opcode; + unsigned int opcode2; +} stepinfo; + +/* Function: prepare_to_step + Called from handle_exception to prepare the user program to single-step. + Places a trap instruction after the target instruction, with special + extra handling for branch instructions. +*/ + +static void +prepare_to_step(void) +{ + unsigned long pc = registers.pc; + unsigned long next_pc, next_pc2; + unsigned int op, op2, sp; + unsigned char op_msb, op_lsb; + int r12; + char r8; + + op = get_word(pc); + op_msb = (op >> 8) & 0xff; + op_lsb = op & 0xff; + op2 = get_word(pc + 2); + next_pc = pc + opcode_size(op); + next_pc2 = 0; + + if (op_msb == 0) + { + if (op_lsb == 2) + { + /* IRET */ + sp = registers.r[SP]; + next_pc = *(unsigned *)(sp - 4); + next_pc = (next_pc << 16) | *(unsigned *)(sp - 6); + } + else if (op_lsb == 3) + { + /* RET */ + sp = registers.r[SP]; + next_pc = *(unsigned *)(sp - 2); + next_pc = (next_pc << 16) | *(unsigned *)(sp - 4); + } + else + { + op2 = op_lsb & 0xf0; + if (op2 && op2 < 0x40) + { + /* {CALLR,BR,ICALLR} Rs */ + next_pc = (pc + 2) + (int)registers.r[op_lsb & 0xf]; + } + else if (op2 < 0x80 || op2 == 0xa0 || op2 == 0xb0) + { + /* {JMP,ICALL,CALL} Rb,Rs */ + next_pc = registers.r[(op_lsb & 0x10) ? 9 : 8]; + next_pc = (next_pc << 16) | (unsigned int)registers.r[op_lsb & 0xf]; + } + } + } + else if (op_msb < 4) + { + /* {CALLF,JMPF,ICALLF} a24 */ + next_pc = ((unsigned long)op2) << 8; + next_pc |= op_lsb; + } + else if (op_msb < 8) + { + if ((op2 & 0xf000) == 0) + { + /* Bx Rd,#imm4,r12 */ + /* Bx Rd,Rs,r12 */ + r12 = op2 << 4; + r12 >>= 4; + next_pc2 = (pc + 4) + r12; + } + } + else if (op_msb == 0x0c || op_msb == 0x0d || (op_msb & 0xf1) == 0x20 || + ((op_msb >= 0x7c && op_msb <= 0x7f) && (op2 & 0x8000) == 0)) + { + /* Bxx Rd,Rs,r12 */ + /* Bxx Rd,#imm8,r12 */ + /* Bx m8,#imm3,r12 */ + /* Bx s8,#imm3,r12 */ + r12 = op2 << 4; + r12 >>= 4; + next_pc2 = (pc + 4) + r12; + } + else if ((op_msb & 0xf0) == 0x10) + { + /* {BR,CALLR} r12 */ + r12 = (op & 0xffe) << 4; + r12 >>= 4; + next_pc = (pc + 2) + r12; + } + else if ((op_msb & 0xe0) == 0xc0) + { + /* Bxx Rx,#imm16,r8 */ + /* TBxx r8 */ + r8 = op_lsb; + next_pc2 = next_pc + r8; + } + + stepinfo.addr = next_pc; + stepinfo.opcode = get_word(next_pc); + set_word(next_pc, BREAKPOINT_OPCODE); + + if (next_pc2) + { + stepinfo.addr2 = next_pc2; + stepinfo.opcode2 = get_word(next_pc2); + set_word(next_pc2, BREAKPOINT_OPCODE); + } +} + +/* Function: finish_from_step + Called from handle_exception to finish up when the user program + returns from a single-step. Replaces the instructions that had + been overwritten by breakpoint. */ + +static void +finish_from_step (void) +{ + if (stepinfo.addr) /* anything to do? */ + { + set_word(stepinfo.addr, stepinfo.opcode); + stepinfo.addr = 0; + if (stepinfo.addr2) + { + set_word(stepinfo.addr2, stepinfo.opcode2); + stepinfo.addr2 = 0; + } + } +} + + +/* + * UART support + */ +#define UART0_BASE 0x7f38 +#define UART1_BASE 0x7f48 + +#define UART_CR(base) (*(volatile unsigned char *)(base)) +#define UART_RXD(base) (*(volatile unsigned int *)((base) + 2)) +#define UART_TXD(base) (*(volatile unsigned int *)((base) + 4)) + +#define UART_CR_RUN 0x80 +#define UART_CR_ERR 0x40 +#define UART_CR_BAUD_115k 0x20 +#define UART_CR_PARITY 0x10 +#define UART_CR_TXEMPTY 0x08 +#define UART_CR_TXIEN 0x04 +#define UART_CR_RXRDY 0x02 +#define UART_CR_RXIEN 0x01 + +#define DBG_UART UART0_BASE + +static void +putDebugChar(unsigned ch) +{ + while ((UART_CR(DBG_UART) & UART_CR_TXEMPTY) == 0) ; + + UART_TXD(DBG_UART) = ch; +} + +static unsigned char +getDebugChar(void) +{ + while ((UART_CR(DBG_UART) & UART_CR_RXRDY) == 0) ; + + return UART_RXD(DBG_UART); +} + +void +uart_init(void) +{ + UART_CR(DBG_UART) |= (UART_CR_RUN | UART_CR_RXIEN); +} +

xstormy16_stub.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: kill.c =================================================================== --- kill.c (nonexistent) +++ kill.c (revision 816) @@ -0,0 +1,28 @@ +/* kill.c -- remove a process. + * + * Copyright (c) 1995 Cygnus Support + * + * 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 "glue.h" + +/* + * kill -- go out via exit... + */ +int +_DEFUN (_kill, (pid, sig), + int pid _AND + int sig) +{ + if(pid == __MYPID) + _exit(sig); + return 0; +}

kill.c Property changes : Added: svn:eol-style ## -0,0 +1 ## +native \ No newline at end of property Added: svn:keywords ## -0,0 +1 ## +Id \ No newline at end of property Index: syscalls.m4 =================================================================== --- syscalls.m4 (nonexistent) +++ syscalls.m4 (revision 816) @@ -0,0 +1,40 @@ +# xstormy16 system calls for the simulator + +#include + + .text + +define(`syscall',`.globl _`'$1 +_`'$1`': + mov r1,#SYS_$1 + .hword 0x0001 + bnz r1,#0,syscall_error + ret +0: .size $1,0b-_$1 +')dnl + syscall(exit) + syscall(open) + syscall(close) + syscall(read) + syscall(write) + syscall(lseek) + syscall(unlink) + syscall(getpid) + syscall(kill) + syscall(fstat) + syscall(chdir) + syscall(stat) + syscall(chmod) + syscall(utime) + syscall(time) + syscall(gettimeofday) + syscall(times) + syscall(link) +dnl +syscall_error: + push r0 + callf __errno + pop r0 + mov.w (r2),r0 + ret +0: .size syscall_error,0b-syscall_error Index: aclocal.m4 =================================================================== --- aclocal.m4 (nonexistent) +++ aclocal.m4 (revision 816) @@ -0,0 +1,344 @@ +# generated automatically by aclocal 1.9.5 -*- Autoconf -*- + +# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +# 2005 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 +# 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 7 + +# 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]) +AC_SUBST([$1_FALSE]) +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 +# 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 8 + +# 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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