Initial PRU port for libgloss and newlib

Signed-off-by: Dimitar Dimitrov <dimitar@dinux.eu>
This commit is contained in:
Dimitar Dimitrov 2018-03-11 22:23:26 +02:00 committed by Jeff Johnston
parent 0574317971
commit 0c7734673a
32 changed files with 11658 additions and 3 deletions

5
libgloss/configure vendored
View File

@ -710,6 +710,7 @@ spu
tic6x
iq2000
or1k
pru
nios2
libnosys'
@ -2586,6 +2587,10 @@ case "${target}" in
or1k-*-* | or1knd-*-* )
subdirs="$subdirs or1k"
;;
pru-*-*)
subdirs="$subdirs pru"
;;
nios2-*-*)
subdirs="$subdirs nios2"

View File

@ -176,6 +176,9 @@ case "${target}" in
or1k-*-* | or1knd-*-* )
AC_CONFIG_SUBDIRS([or1k])
;;
pru-*-*)
AC_CONFIG_SUBDIRS([pru])
;;
nios2-*-*)
AC_CONFIG_SUBDIRS([nios2])
;;

155
libgloss/pru/Makefile.in Normal file
View File

@ -0,0 +1,155 @@
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
VPATH = @srcdir@ @srcdir@/..
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..
top_srcdir = @top_srcdir@
prefix = @prefix@
exec_prefix = @exec_prefix@
host_alias = @host_alias@
target_alias = @target_alias@
bindir = @bindir@
libdir = @libdir@
includedir = @includedir@
tooldir = $(exec_prefix)/$(target_alias)
# Multilib support variables.
# TOP is used instead of MULTI{BUILD,SRC}TOP.
MULTIDIRS =
MULTISUBDIR =
SHELL = /bin/sh
mkinstalldirs = $(SHELL) $(top_srcdir)/../../mkinstalldirs
CC = @CC@
AS = @AS@
AR = @AR@
LD = @LD@
RANLIB = @RANLIB@
OBJDUMP = `t='$(program_transform_name)'; echo objdump | sed -e $$t`
OBJCOPY = `t='$(program_transform_name)'; echo objcopy | sed -e $$t`
# linker scripts
SCRIPTS = `ls ${srcdir}/ldscripts/*.x`
# object files needed
OBJS = \
do_global_dtors.o gettimeofday.o \
isatty.o putnum.o raise.o \
inbyte.o outbyte.o sbrk.o stat.o syscalls.o \
do_global_dtors.o
# Object files specific to particular targets.
EVALOBJS = ${OBJS}
CRTOBJS = crt0.o crt0-minrt.o
OUTPUTS = libgloss.a $(CRTOBJS)
INCLUDES = -I$(srcdir)/..
# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = ${MULTILIB} ${INCLUDES}
LDFLAGS_FOR_TARGET = ${MULTILIB}
.c.o:
$(CC) $(CFLAGS_FOR_TARGET) -Os $(INCLUDES) -c $(CFLAGS) $<
.C.o:
$(CC) $(CFLAGS_FOR_TARGET) -Os $(INCLUDES) -c $(CFLAGS) $<
.s.o:
$(AS) $(ASFLAGS_FOR_TARGET) $(INCLUDES) $(ASFLAGS) -o $*.o $<
#
# GCC knows to run the preprocessor on .S files before it assembles them.
#
.S.o:
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<
all: ${OUTPUTS} copy_scripts_to_objdir
copy_scripts_to_objdir: $(srcdir)/ldscripts/gen-ld-scripts.sh
cp $(SCRIPTS) $(objdir)
#
# here's where we build the library for each target
#
libgloss.a: $(EVALOBJS)
${AR} ${ARFLAGS} $@ $(EVALOBJS)
${RANLIB} $@
# C Runtime Library startup code.
crt0.o: $(srcdir)/crt0.S
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) $< -c -o $@
crt0-minrt.o: $(srcdir)/crt0.S
$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -DMINRT $< -c -o $@
doc:
clean mostlyclean:
rm -f $(OUTPUTS) *.i *~ *.o *-test *.srec *.dis *.map *.x
distclean maintainer-clean realclean: clean
rm -f Makefile config.status $(OUTPUTS)
.PHONY: install info install-info clean-info
install: $(OUTPUTS) $(srcdir)/ldscripts/gen-ld-scripts.sh
for outputs in ${OUTPUTS}; do\
${INSTALL_DATA} $${outputs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}/$${outputs}; \
done
for s in $(SCRIPTS); do \
b=`basename $$s`; \
${INSTALL_DATA} $$s ${DESTDIR}${tooldir}/lib${MULTISUBDIR}/$$b ;\
done
${mkinstalldirs} ${DESTDIR}${tooldir}/lib${MULTISUBDIR}/device-specs; \
for s in ${srcdir}/device-specs/*; do \
b=`basename $$s`; \
$(INSTALL_DATA) $$s $(DESTDIR)$(tooldir)/lib${MULTISUBDIR}/device-specs/$$b ;\
done
info:
install-info:
clean-info:
Makefile: $(srcdir)/Makefile.in config.status @host_makefile_frag_path@
$(SHELL) config.status
config.status: $(srcdir)/configure
$(SHELL) config.status --recheck

409
libgloss/pru/aclocal.m4 vendored Normal file
View File

@ -0,0 +1,409 @@
# generated automatically by aclocal 1.11.6 -*- Autoconf -*-
# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
# 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
# Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE.
# AM_CONDITIONAL -*- Autoconf -*-
# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2008
# Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 9
# AM_CONDITIONAL(NAME, SHELL-CONDITION)
# -------------------------------------
# Define a conditional.
AC_DEFUN([AM_CONDITIONAL],
[AC_PREREQ(2.52)dnl
ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
[$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
AC_SUBST([$1_TRUE])dnl
AC_SUBST([$1_FALSE])dnl
_AM_SUBST_NOTMAKE([$1_TRUE])dnl
_AM_SUBST_NOTMAKE([$1_FALSE])dnl
m4_define([_AM_COND_VALUE_$1], [$2])dnl
if $2; then
$1_TRUE=
$1_FALSE='#'
else
$1_TRUE='#'
$1_FALSE=
fi
AC_CONFIG_COMMANDS_PRE(
[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
AC_MSG_ERROR([[conditional "$1" was never defined.
Usually this means the macro was only invoked conditionally.]])
fi])])
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009,
# 2010, 2011 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 12
# 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. Also note that it means that autoscan, seeing
# CC etc. in the Makefile, will ask for an AC_PROG_CC use...
# _AM_DEPENDENCIES(NAME)
# ----------------------
# See how the compiler implements dependency checking.
# NAME is "CC", "CXX", "GCJ", or "OBJC".
# We try a few techniques and use that to set a single cache variable.
#
# We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
# modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
# dependency, and given that the user is not expected to run this macro,
# just rely on AC_PROG_CC.
AC_DEFUN([_AM_DEPENDENCIES],
[AC_REQUIRE([AM_SET_DEPDIR])dnl
AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
AC_REQUIRE([AM_MAKE_INCLUDE])dnl
AC_REQUIRE([AM_DEP_TRACK])dnl
ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
[$1], CXX, [depcc="$CXX" am_compiler_list=],
[$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
[$1], UPC, [depcc="$UPC" am_compiler_list=],
[$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
[depcc="$$1" am_compiler_list=])
AC_CACHE_CHECK([dependency style of $depcc],
[am_cv_$1_dependencies_compiler_type],
[if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
# We make a subdir and do the tests there. Otherwise we can end up
# making bogus files that we don't know about and never remove. For
# instance it was reported that on HP-UX the gcc test will end up
# making a dummy file named `D' -- because `-MD' means `put the output
# in D'.
rm -rf conftest.dir
mkdir conftest.dir
# Copy depcomp to subdir because otherwise we won't find it if we're
# using a relative directory.
cp "$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_$1_dependencies_compiler_type=none
if test "$am_compiler_list" = ""; then
am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
fi
am__universal=false
m4_case([$1], [CC],
[case " $depcc " in #(
*\ -arch\ *\ -arch\ *) am__universal=true ;;
esac],
[CXX],
[case " $depcc " in #(
*\ -arch\ *\ -arch\ *) am__universal=true ;;
esac])
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
# 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. Also, some Intel
# versions had trouble with output in subdirs
am__obj=sub/conftest.${OBJEXT-o}
am__minus_obj="-o $am__obj"
case $depmode in
gcc)
# This depmode causes a compiler race in universal mode.
test "$am__universal" = false || continue
;;
nosideeffect)
# after this tag, mechanisms are not by side-effect, so they'll
# only be used when explicitly requested
if test "x$enable_dependency_tracking" = xyes; then
continue
else
break
fi
;;
msvc7 | msvc7msys | msvisualcpp | msvcmsys)
# This compiler won't grok `-c -o', but also, the minuso test has
# not run yet. These depmodes are late enough in the game, and
# so weak that their functioning should not be impacted.
am__obj=conftest.${OBJEXT-o}
am__minus_obj=
;;
none) break ;;
esac
if depmode=$depmode \
source=sub/conftest.c object=$am__obj \
depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
$SHELL ./depcomp $depcc -c $am__minus_obj sub/conftest.c \
>/dev/null 2>conftest.err &&
grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
grep $am__obj 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_$1_dependencies_compiler_type=$depmode
break
fi
fi
done
cd ..
rm -rf conftest.dir
else
am_cv_$1_dependencies_compiler_type=none
fi
])
AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
AM_CONDITIONAL([am__fastdep$1], [
test "x$enable_dependency_tracking" != xno \
&& test "$am_cv_$1_dependencies_compiler_type" = gcc3])
])
# AM_SET_DEPDIR
# -------------
# Choose a directory name for dependency files.
# This macro is AC_REQUIREd in _AM_DEPENDENCIES
AC_DEFUN([AM_SET_DEPDIR],
[AC_REQUIRE([AM_SET_LEADING_DOT])dnl
AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
])
# AM_DEP_TRACK
# ------------
AC_DEFUN([AM_DEP_TRACK],
[AC_ARG_ENABLE(dependency-tracking,
[ --disable-dependency-tracking speeds up one-time build
--enable-dependency-tracking do not reject slow dependency extractors])
if test "x$enable_dependency_tracking" != xno; then
am_depcomp="$ac_aux_dir/depcomp"
AMDEPBACKSLASH='\'
am__nodep='_no'
fi
AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
AC_SUBST([AMDEPBACKSLASH])dnl
_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
AC_SUBST([am__nodep])dnl
_AM_SUBST_NOTMAKE([am__nodep])dnl
])
# Generate code to set up dependency tracking. -*- Autoconf -*-
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2008
# Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
#serial 5
# _AM_OUTPUT_DEPENDENCY_COMMANDS
# ------------------------------
AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
[{
# Autoconf 2.62 quotes --file arguments for eval, but not when files
# are listed without --file. Let's play safe and only enable the eval
# if we detect the quoting.
case $CONFIG_FILES in
*\'*) eval set x "$CONFIG_FILES" ;;
*) set x $CONFIG_FILES ;;
esac
shift
for mf
do
# Strip MF so we end up with the name of the file.
mf=`echo "$mf" | sed -e 's/:.*$//'`
# Check whether this is an Automake generated Makefile or not.
# We used to match only the files named `Makefile.in', but
# some people rename them; so instead we look at the file content.
# Grep'ing the first line is not enough: some people post-process
# each Makefile.in and add a new line on top of each file to say so.
# Grep'ing the whole file is not good either: AIX grep has a line
# limit of 2048, but all sed's we know have understand at least 4000.
if sed -n 's,^#.*generated by automake.*,X,p' "$mf" | grep X >/dev/null 2>&1; then
dirpart=`AS_DIRNAME("$mf")`
else
continue
fi
# Extract the definition of DEPDIR, am__include, and am__quote
# from the Makefile without running `make'.
DEPDIR=`sed -n 's/^DEPDIR = //p' < "$mf"`
test -z "$DEPDIR" && continue
am__include=`sed -n 's/^am__include = //p' < "$mf"`
test -z "am__include" && continue
am__quote=`sed -n 's/^am__quote = //p' < "$mf"`
# When using ansi2knr, U may be empty or an underscore; expand it
U=`sed -n 's/^U = //p' < "$mf"`
# Find all dependency output files, they are included files with
# $(DEPDIR) in their names. We invoke sed twice because it is the
# simplest approach to changing $(DEPDIR) to its actual value in the
# expansion.
for file in `sed -n "
s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
# Make sure the directory exists.
test -f "$dirpart/$file" && continue
fdir=`AS_DIRNAME(["$file"])`
AS_MKDIR_P([$dirpart/$fdir])
# echo "creating $dirpart/$file"
echo '# dummy' > "$dirpart/$file"
done
done
}
])# _AM_OUTPUT_DEPENDENCY_COMMANDS
# AM_OUTPUT_DEPENDENCY_COMMANDS
# -----------------------------
# This macro should only be invoked once -- use via AC_REQUIRE.
#
# This code is only required when automatic dependency tracking
# is enabled. FIXME. This creates each `.P' file that we will
# need in order to bootstrap the dependency handling code.
AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
[AC_CONFIG_COMMANDS([depfiles],
[test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
[AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
])
# Copyright (C) 2003, 2005 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 2
# Check whether the underlying file-system supports filenames
# with a leading dot. For instance MS-DOS doesn't.
AC_DEFUN([AM_SET_LEADING_DOT],
[rm -rf .tst 2>/dev/null
mkdir .tst 2>/dev/null
if test -d .tst; then
am__leading_dot=.
else
am__leading_dot=_
fi
rmdir .tst 2>/dev/null
AC_SUBST([am__leading_dot])])
# Check to see how 'make' treats includes. -*- Autoconf -*-
# Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 4
# AM_MAKE_INCLUDE()
# -----------------
# Check to see how make treats includes.
AC_DEFUN([AM_MAKE_INCLUDE],
[am_make=${MAKE-make}
cat > confinc << 'END'
am__doit:
@echo this is the am__doit target
.PHONY: am__doit
END
# If we don't find an include directive, just comment out the code.
AC_MSG_CHECKING([for style of include used by $am_make])
am__include="#"
am__quote=
_am_result=none
# First try GNU make style include.
echo "include confinc" > confmf
# Ignore all kinds of additional output from `make'.
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=include
am__quote=
_am_result=GNU
;;
esac
# Now try BSD make style include.
if test "$am__include" = "#"; then
echo '.include "confinc"' > confmf
case `$am_make -s -f confmf 2> /dev/null` in #(
*the\ am__doit\ target*)
am__include=.include
am__quote="\""
_am_result=BSD
;;
esac
fi
AC_SUBST([am__include])
AC_SUBST([am__quote])
AC_MSG_RESULT([$_am_result])
rm -f confinc confmf
])
# Copyright (C) 2006, 2008, 2010 Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 3
# _AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
# This macro is traced by Automake.
AC_DEFUN([_AM_SUBST_NOTMAKE])
# AM_SUBST_NOTMAKE(VARIABLE)
# --------------------------
# Public sister of _AM_SUBST_NOTMAKE.
AC_DEFUN([AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE($@)])
m4_include([../acinclude.m4])

3874
libgloss/pru/configure vendored Executable file

File diff suppressed because it is too large Load Diff

66
libgloss/pru/configure.in Normal file
View File

@ -0,0 +1,66 @@
# Copyright (c) 2008, 2009, 2011, 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use, modify,
# copy, or redistribute it subject to the terms and conditions of the BSD
# License. This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license
# is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
# are incorporated in the source code or documentation are not subject to the BSD
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT(crt0.S)
if test "${enable_shared}" = "yes" ; then
echo "Shared libraries not supported for cross compiling, ignored"
fi
if test "$srcdir" = "." ; then
if test "${with_target_subdir}" != "." ; then
libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
else
libgloss_topdir="${srcdir}/${with_multisrctop}../.."
fi
else
libgloss_topdir="${srcdir}/../.."
fi
AC_CONFIG_AUX_DIR($libgloss_topdir)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM
AC_PROG_INSTALL
LIB_AC_PROG_CC
AS=${AS-as}
AC_SUBST(AS)
AR=${AR-ar}
AC_SUBST(AR)
LD=${LD-ld}
AC_SUBST(LD)
AC_PROG_RANLIB
LIB_AM_PROG_AS
host_makefile_frag=${srcdir}/../config/default.mh
dnl We have to assign the same value to other variables because autoconf
dnl doesn't provide a mechanism to substitute a replacement keyword with
dnl arbitrary data or pathnames.
dnl
host_makefile_frag_path=$host_makefile_frag
AC_SUBST(host_makefile_frag_path)
AC_SUBST_FILE(host_makefile_frag)
AC_CONFIG_FILES(Makefile,
. ${libgloss_topdir}/config-ml.in,
srcdir=${srcdir}
target=${target}
with_multisubdir=${with_multisubdir}
ac_configure_args="${ac_configure_args} --enable-multilib"
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
libgloss_topdir=${libgloss_topdir}
)
AC_OUTPUT

97
libgloss/pru/crt0.S Normal file
View File

@ -0,0 +1,97 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* crt0.S -- PRU startup code
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "newlib.h"
.extern main
.extern exit
.text
.section .init0, "x"
.global _start
_start:
/* Initialize stack pointer. */
ldi32 sp, _stack_top
/* DATA and BSS are handled by the loader, so nothing to do here. */
#if !defined(MINRT)
.extern _do_global_dtors
/* Ensure destructors get called. Call is per GNU ABI (i.e. 32-bit
function pointers). But it is also compatible with the TI ABI
since GCC supports only little endian PRU.
WARNING: Keep this compatible with both ABIs! */
ldi r14, %pmem(_do_global_dtors)
call atexit
/* Call constructors. Use non-call-clobbered registers. */
ldi r5, __init_array_start
ldi r6, __init_array_end
ctors_loop:
qbeq ctors_done, r5, r6
/* ABI dictates 16-bit IMEM pointers. */
lbbo r7, r5, 0, 2
call r7.w0
add r5, r5, 2
jmp ctors_loop
ctors_done:
#endif
/* Just in case main() tries to access argc, argv[] and envp. */
zero r14, 3 * 4
#if !defined(MINRT)
.weak __c_args__
ldi32 r5, __c_args__
qbeq __skip_c_args, r5, 0
lbbo r14, r5, 0, 4 /* argc */
add r15, r5, 4 /* argv */
__skip_c_args:
#endif
/* Call main */
call main
#if !defined(MINRT)
/* Call exit */
call exit
#endif
/* We should never reach here. */
_crt_exit:
halt
jmp _crt_exit
/* PRU obviously has no shared libraries, but dso_handle
helps to achieve better GCC test coverage. Besides,
it should be free with minrt. */
.section .data
.global __dso_handle
.weak __dso_handle
__dso_handle:
.long 0

View File

@ -0,0 +1,5 @@
*cpp_device:
-D__SIM__
*link_device:
%{!r:-Tpruelf-sim.x}

View File

@ -0,0 +1,53 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* do_global_dtors - invoke global destructors
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdint.h>
#include <_ansi.h>
#include "syscall.h"
extern void *__fini_array_start;
extern void *__fini_array_end;
/*
* _do_global_dtors
*/
void
_do_global_dtors (void)
{
/* ABI dictates pointers in init/fini arrays are 16-bit. */
const uint16_t *end = (uint16_t *)&__fini_array_end;
const uint16_t *begin = (uint16_t *)&__fini_array_start;
const uint16_t *p;
void (**dtor) (void);
/* call destructors in reverse order */
for (p = end; p > begin; ) {
p--;
dtor = (void *)p;
(*dtor) ();
}
}

View File

@ -0,0 +1,31 @@
/* gettimeofday.c -- get the current time of day
*
* Copyright (c) 1995, 1999 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 <errno.h>
#include "glue.h"
#undef errno
extern int errno;
struct timeval;
/*
* gettimeofday -- no clock
* struct timeval * tp, void * tzvp
*/
int
_gettimeofday (struct timeval * tp, void * tzvp)
{
errno = ENOSYS;
return -1;
}

51
libgloss/pru/inbyte.c Normal file
View File

@ -0,0 +1,51 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* inbyte.c -- inbyte function for remoteproc
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <_ansi.h>
#include <stdio.h>
#include <unistd.h>
#include "glue.h"
extern ssize_t _read(int fd, void *b, size_t count);
int
inbyte (void)
{
ssize_t n;
char c;
/* PRU has no interrupts, so it is inherently thread-safe. */
n = _read(STDIN_FILENO, &c, 1);
if (n < 0)
return n;
else if (n == 0)
return -ENODATA;
else
return 1;
}

26
libgloss/pru/isatty.c Normal file
View File

@ -0,0 +1,26 @@
/* 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
_isatty (int fd)
{
return (1);
}

View File

@ -0,0 +1,80 @@
#!/bin/bash
# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
#
# Copyright 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Generate additional MCU-specific linker scripts by using the
# default PRU-LD linker script.
#
# We do it automatically so that:
# 1. We only change the default linker script in binutils.
# 2. All the default script complexity stays in binutils.
# 3. Here in libgloss we only bump the memory sizes to
# allow large test programs to be executed.
dump_modified()
{
IMEM_SIZE=$1
DMEM_SIZE=$2
HEAP_SIZE=$3
STACK_SIZE=$4
echo "/* WARNING: automatically generated from the default pru-ld script! */"
echo -e "\n\n"
pru-ld --verbose | awk "
BEGIN { LDV_MARKER = 0; }
{
if (\$0 == \"==================================================\" )
{
LDV_MARKER++;
}
else if (LDV_MARKER != 1)
{
}
else if (\$0 ~ /^ imem.*ORIGIN =.*LENGTH =/)
{
print \" imem (x) : ORIGIN = 0x20000000, LENGTH = $IMEM_SIZE\"
}
else if (\$0 ~ /^ dmem.*ORIGIN =.*LENGTH =/)
{
print \" dmem (rw!x) : ORIGIN = 0x0, LENGTH = $DMEM_SIZE\"
}
else if (\$0 ~ /^__HEAP_SIZE = DEFINED/)
{
print \"__HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : $HEAP_SIZE ;\";
}
else if (\$0 ~ /^__STACK_SIZE = DEFINED/)
{
print \"__STACK_SIZE = DEFINED(__STACK_SIZE) ? __STACK_SIZE : $STACK_SIZE ;\";
}
else
{
print \$0;
}
}"
}
# IMEM DMEM HEAP_SIZE STACK_SIZE
dump_modified 256K 65536K "32 * 1024 * 1024" "1024 * 1024" | tee pruelf-sim.x

View File

@ -0,0 +1,200 @@
/* WARNING: automatically generated from the default pru-ld script! */
/* Default linker script, for normal executables */
OUTPUT_FORMAT("elf32-pru","elf32-pru","elf32-pru")
OUTPUT_ARCH(pru)
MEMORY
{
imem (x) : ORIGIN = 0x20000000, LENGTH = 256K
dmem (rw!x) : ORIGIN = 0x0, LENGTH = 65536K
}
__HEAP_SIZE = DEFINED(__HEAP_SIZE) ? __HEAP_SIZE : 32 * 1024 * 1024 ;
__STACK_SIZE = DEFINED(__STACK_SIZE) ? __STACK_SIZE : 1024 * 1024 ;
PROVIDE (_stack_top = ORIGIN(dmem) + LENGTH(dmem));
ENTRY (_start)
SECTIONS
{
/* Read-only sections, merged into text segment: */
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
.rel.init : { *(.rel.init) }
.rela.init : { *(.rela.init) }
.rel.text :
{
*(.rel.text)
*(.rel.text.*)
*(.rel.text:*)
*(.rel.gnu.linkonce.t*)
}
.rela.text :
{
*(.rela.text)
*(.rela.text.*)
*(.rela.text:*)
*(.rela.gnu.linkonce.t*)
}
.rel.fini : { *(.rel.fini) }
.rela.fini : { *(.rela.fini) }
.rel.rodata :
{
*(.rel.rodata)
*(.rel.rodata.*)
*(.rel.rodata:*)
*(.rel.gnu.linkonce.r*)
}
.rela.rodata :
{
*(.rela.rodata)
*(.rela.rodata.*)
*(.rela.rodata:*)
*(.rela.gnu.linkonce.r*)
}
.rel.data :
{
*(.rel.data)
*(.rel.data.*)
*(.rel.data:*)
*(.rel.gnu.linkonce.d*)
}
.rela.data :
{
*(.rela.data)
*(.rela.data.*)
*(.rela.data:*)
*(.rela.gnu.linkonce.d*)
}
.rel.init_array : { *(.rel.init_array) }
.rela.init_array : { *(.rela.init_array) }
.rel.fini_array : { *(.rel.fini_array) }
.rela.fini_array : { *(.rela.fini_array) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
/* Internal text space. */
.text :
{
_text_start = . ;
. = ALIGN(4);
*(.init0) /* Start here after reset. */
KEEP (*(.init0))
. = ALIGN(4);
*(.text)
. = ALIGN(4);
*(.text.*)
. = ALIGN(4);
*(.text:*)
. = ALIGN(4);
*(.gnu.linkonce.t*)
. = ALIGN(4);
_text_end = . ;
} > imem
.data :
{
/* Optional variable that user is prepared to have NULL address. */
*(.data.atzero*)
/* CRT is prepared for constructor/destructor table to have
a "valid" NULL address. */
__init_array_start = . ;
KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = . ;
__fini_array_start = . ;
KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*)))
KEEP (*(.fini_array))
__fini_array_end = . ;
/* DATA memory starts at address 0. So to avoid placing a valid static
variable at the invalid NULL address, we introduce the .data.atzero
section. If CRT can make some use of it - great. Otherwise skip a
word. In all cases .data/.bss sections must start at non-zero. */
. += (. == 0 ? 4 : 0);
PROVIDE (_data_start = .) ;
*(.data)
*(.data*)
*(.data:*)
*(.rodata) /* We need to include .rodata here if gcc is used. */
*(.rodata.*) /* with -fdata-sections. */
*(.rodata:*)
*(.gnu.linkonce.d*)
*(.gnu.linkonce.r*)
. = ALIGN(4);
PROVIDE (_data_end = .) ;
} > dmem
.resource_table :
{
KEEP (*(.resource_table))
} > dmem
.bss :
{
PROVIDE (_bss_start = .) ;
*(.bss)
*(.bss.*)
*(.bss:*)
*(.gnu.linkonce.b*)
*(COMMON)
PROVIDE (_bss_end = .) ;
} > dmem
/* Global data not cleared after reset. */
.noinit :
{
PROVIDE (_noinit_start = .) ;
*(.noinit)
PROVIDE (_noinit_end = .) ;
PROVIDE (_heap_start = .) ;
. += __HEAP_SIZE ;
/* Stack is not here really. It will be put at the end of DMEM.
But we take into account its size here, in order to allow
for MEMORY overflow checking during link time. */
. += __STACK_SIZE ;
} > dmem
/* 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) }
.note.gnu.build-id : { *(.note.gnu.build-id) }
/* 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_line.* .debug_line_end) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* 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) }
/* DWARF 3 */
.debug_pubtypes 0 : { *(.debug_pubtypes) }
.debug_ranges 0 : { *(.debug_ranges) }
/* DWARF Extension. */
.debug_macro 0 : { *(.debug_macro) }
.debug_addr 0 : { *(.debug_addr) }
}

37
libgloss/pru/outbyte.c Normal file
View File

@ -0,0 +1,37 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* outbyte.c -- outbyte function for simulator
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include <_ansi.h>
extern ssize_t _write(int fd, const void *b, size_t count);
void
outbyte (char ch)
{
_write(STDOUT_FILENO, &ch, 1);
}

25
libgloss/pru/print.c Normal file
View File

@ -0,0 +1,25 @@
/* print.c -- print a string on the output device.
*
* Copyright (c) 1995, 1999 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 <unistd.h>
#include "glue.h"
/*
* print -- do a raw print of a string
*/
void
_print (char *ptr)
{
_write(STDOUT_FILENO, ptr, strlen(ptr));
}

42
libgloss/pru/putnum.c Normal file
View File

@ -0,0 +1,42 @@
/* putnum.c -- put a hex number on the output device.
*
* Copyright (c) 1995, 1999 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"
extern void print (char *ptr);
/*
* putnum -- print a 32 bit number in hex
*/
void
_putnum (unsigned int num)
{
char buf[9];
int cnt;
char *ptr;
int digit;
ptr = buf;
for (cnt = 7 ; cnt >= 0 ; cnt--) {
digit = (num >> (cnt * 4)) & 0xf;
if (digit <= 9)
*ptr++ = (char) ('0' + digit);
else
*ptr++ = (char) ('a' - 10 + digit);
}
*ptr = (char) 0;
print (buf);
}

24
libgloss/pru/raise.c Normal file
View File

@ -0,0 +1,24 @@
/* raise.c -- raise a signal for current process.
*
* Copyright (c) 1999 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"
extern int _kill (int, int);
extern int _getpid(void);
int
_raise (int sig)
{
return _kill (_getpid (), sig);
}

46
libgloss/pru/sbrk.c Normal file
View File

@ -0,0 +1,46 @@
/* sbrk.c -- allocate memory dynamically.
*
* Copyright (c) 1995,1996,1999 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 <sys/types.h>
#include <sys/stat.h>
#include "glue.h"
extern char _heap_start[];
extern void exit (int) __attribute ((__noreturn__));
extern int _write (int, char *, int);
caddr_t
_sbrk (size_t incr)
{
static char *heap_end;
char *prev_heap_end;
char *sp = (char *)&sp;
if (heap_end == 0)
{
heap_end = _heap_start;
}
prev_heap_end = heap_end;
if (heap_end > sp)
{
_write (1, "Heap and stack collision\n", 25);
#if 0 /* Calling abort brings in the signal handling code. */
abort ();
#else
exit (1);
#endif
}
heap_end += incr;
return (caddr_t) prev_heap_end;
}

31
libgloss/pru/stat.c Normal file
View File

@ -0,0 +1,31 @@
/* stat.c -- Get the status of a file.
*
* Copyright (c) 1995, 1999 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 <sys/stat.h>
#include <errno.h>
#include "glue.h"
#undef errno
extern int errno;
/*
* stat -- Since we have no file system, we just return an error.
*/
int
_stat (const char *path, struct stat *buf)
{
errno = EIO;
return (-1);
}

78
libgloss/pru/syscalls.S Normal file
View File

@ -0,0 +1,78 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* syscalls.S -- PRU system calls code
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "newlib.h"
#include "syscall.h"
.extern _impure_ptr
/* Handle return from syscall. */
.global __SC_ret
.type __SC_ret,@function
.func
__SC_ret:
/* Check for negative return code */
qbbc __SC_ret_skip_errno_set, r14, 31
/* Invert return code and store to errno (first int in _impure_ptr). */
rsb r14, r14, 0
ldi32 r1, _impure_ptr
sbbo r14, r1, 0, 4
/* Return -1 (for both int32_t or int64_t). */
fill r14, 8
__SC_ret_skip_errno_set:
ret
.endfunc
.macro SC fname, id
.global \fname
.type \fname,@function
.func
\fname:
ldi r1, \id
halt
jmp __SC_ret
.endfunc
.endm
.text
/* Syscalls are used only by simulator. Real HW
users use other methods for communicating with
the host - remoteproc, rpmsg, shared memory. */
SC _exit, SYS_exit
SC _open, SYS_open
SC _close, SYS_close
SC _read, SYS_read
SC _write, SYS_write
SC _lseek, SYS_lseek
SC _unlink, SYS_unlink
SC _getpid, SYS_getpid
SC _kill, SYS_kill
SC _fstat, SYS_fstat

View File

@ -87,7 +87,7 @@ case "${target_optspace}:${host}" in
yes:*)
newlib_cflags="${newlib_cflags} -Os"
;;
:m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* | :msp430*-* | :nds32* | :rl78-* )
:m32r-* | :d10v-* | :d30v-* | :avr-* | :m32c-* | :msp430*-* | :nds32* | :pru-* | :rl78-* )
newlib_cflags="${newlib_cflags} -Os"
;;
no:* | :*)
@ -291,6 +291,14 @@ case "${host_cpu}" in
powerpc*)
machine_dir=powerpc
;;
pru*)
newlib_cflags="${newlib_cflags} -DPREFER_SIZE_OVER_SPEED"
newlib_cflags="${newlib_cflags} -DNO_EXEC"
newlib_cflags="${newlib_cflags} -DSMALL_MEMORY"
default_newlib_nano_malloc="yes"
default_newlib_atexit_dynamic_alloc="no"
machine_dir=pru
;;
riscv*)
libm_machine_dir=riscv
machine_dir=riscv
@ -857,6 +865,10 @@ newlib_cflags="${newlib_cflags} -DCLOCK_PROVIDED -DMALLOC_PROVIDED -DEXIT_PROVID
newlib_cflags="${newlib_cflags} -DHAVE_OPENDIR -DHAVE_RENAME -DHAVE_FCNTL -D_NO_POSIX_SPAWN"
syscall_dir=syscalls
;;
pru*)
syscall_dir=syscalls
newlib_cflags="${newlib_cflags} -DSMALL_MEMORY -D_REENT_SMALL"
;;
riscv*-*-*)
syscall_dir=syscalls
;;

View File

@ -409,6 +409,10 @@
#define __SMALL_BITFIELDS /* 16 Bit INT */
#endif
#ifdef __PRU__
#define __IEEE_LITTLE_ENDIAN
#endif
#ifdef __RL78__
#define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS /* 16 Bit INT */

View File

@ -352,6 +352,11 @@ _BEGIN_STD_C
#define _JBTYPE unsigned long
#endif
#ifdef __PRU__
#define _JBLEN 48
#define _JBTYPE unsigned int
#endif
#ifdef __RX__
#define _JBLEN 0x44
#endif

View File

@ -827,6 +827,7 @@ nios2
nvptx
or1k
powerpc
pru
rl78
rx
sh
@ -11503,7 +11504,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11506 "configure"
#line 11507 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11609,7 +11610,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 11612 "configure"
#line 11613 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -11935,6 +11936,8 @@ subdirs="$subdirs a29k"
or1k) subdirs="$subdirs or1k"
;;
powerpc) subdirs="$subdirs powerpc"
;;
pru) subdirs="$subdirs pru"
;;
rl78) subdirs="$subdirs rl78"
;;

View File

@ -65,6 +65,7 @@ if test -n "${machine_dir}"; then
nvptx) AC_CONFIG_SUBDIRS(nvptx) ;;
or1k) AC_CONFIG_SUBDIRS(or1k) ;;
powerpc) AC_CONFIG_SUBDIRS(powerpc) ;;
pru) AC_CONFIG_SUBDIRS(pru) ;;
rl78) AC_CONFIG_SUBDIRS(rl78) ;;
rx) AC_CONFIG_SUBDIRS(rx) ;;
sh) AC_CONFIG_SUBDIRS(sh) ;;

View File

@ -0,0 +1,16 @@
## Process this file with automake to generate Makefile.in
AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = setjmp.s
lib_a_CCASFLAGS=$(AM_CCASFLAGS)
lib_a_CFLAGS=$(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host

View File

@ -0,0 +1,439 @@
# Makefile.in generated by automake 1.11.6 from Makefile.am.
# @configure_input@
# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
# 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software
# Foundation, Inc.
# This Makefile.in 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.
@SET_MAKE@
VPATH = @srcdir@
am__make_dryrun = \
{ \
am__dry=no; \
case $$MAKEFLAGS in \
*\\[\ \ ]*) \
echo 'am--echo: ; @echo "AM" OK' | $(MAKE) -f - 2>/dev/null \
| grep '^AM OK$$' >/dev/null || am__dry=yes;; \
*) \
for am__flg in $$MAKEFLAGS; do \
case $$am__flg in \
*=*|--*) ;; \
*n*) am__dry=yes; break;; \
esac; \
done;; \
esac; \
test $$am__dry = yes; \
}
pkgdatadir = $(datadir)/@PACKAGE@
pkgincludedir = $(includedir)/@PACKAGE@
pkglibdir = $(libdir)/@PACKAGE@
pkglibexecdir = $(libexecdir)/@PACKAGE@
am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
install_sh_DATA = $(install_sh) -c -m 644
install_sh_PROGRAM = $(install_sh) -c
install_sh_SCRIPT = $(install_sh) -c
INSTALL_HEADER = $(INSTALL_DATA)
transform = $(program_transform_name)
NORMAL_INSTALL = :
PRE_INSTALL = :
POST_INSTALL = :
NORMAL_UNINSTALL = :
PRE_UNINSTALL = :
POST_UNINSTALL = :
build_triplet = @build@
host_triplet = @host@
subdir = .
DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
$(top_srcdir)/configure $(am__configure_deps) \
$(srcdir)/../../../../mkinstalldirs
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
$(top_srcdir)/configure.in
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
configure.lineno config.status.lineno
mkinstalldirs = $(SHELL) $(top_srcdir)/../../../../mkinstalldirs
CONFIG_CLEAN_FILES =
CONFIG_CLEAN_VPATH_FILES =
LIBRARIES = $(noinst_LIBRARIES)
ARFLAGS = cru
lib_a_AR = $(AR) $(ARFLAGS)
lib_a_LIBADD =
am_lib_a_OBJECTS = lib_a-setjmp.$(OBJEXT)
lib_a_OBJECTS = $(am_lib_a_OBJECTS)
DEFAULT_INCLUDES = -I.@am__isrc@
depcomp =
am__depfiles_maybe =
CCASCOMPILE = $(CCAS) $(AM_CCASFLAGS) $(CCASFLAGS)
COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
CCLD = $(CC)
LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
SOURCES = $(lib_a_SOURCES)
am__can_run_installinfo = \
case $$AM_UPDATE_INFO_DIR in \
n|no|NO) false;; \
*) (install-info --version) >/dev/null 2>&1;; \
esac
ETAGS = etags
CTAGS = ctags
ACLOCAL = @ACLOCAL@
AMTAR = @AMTAR@
AR = @AR@
AS = @AS@
AUTOCONF = @AUTOCONF@
AUTOHEADER = @AUTOHEADER@
AUTOMAKE = @AUTOMAKE@
AWK = @AWK@
CC = @CC@
CCAS = @CCAS@
CCASFLAGS = @CCASFLAGS@
CCDEPMODE = @CCDEPMODE@
CYGPATH_W = @CYGPATH_W@
DEFS = @DEFS@
DEPDIR = @DEPDIR@
ECHO_C = @ECHO_C@
ECHO_N = @ECHO_N@
ECHO_T = @ECHO_T@
INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_SCRIPT = @INSTALL_SCRIPT@
INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
LDFLAGS = @LDFLAGS@
LIBOBJS = @LIBOBJS@
LIBS = @LIBS@
LTLIBOBJS = @LTLIBOBJS@
MAINT = @MAINT@
MAKEINFO = @MAKEINFO@
MKDIR_P = @MKDIR_P@
NEWLIB_CFLAGS = @NEWLIB_CFLAGS@
NO_INCLUDE_LIST = @NO_INCLUDE_LIST@
OBJEXT = @OBJEXT@
PACKAGE = @PACKAGE@
PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
PACKAGE_NAME = @PACKAGE_NAME@
PACKAGE_STRING = @PACKAGE_STRING@
PACKAGE_TARNAME = @PACKAGE_TARNAME@
PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
RANLIB = @RANLIB@
READELF = @READELF@
SET_MAKE = @SET_MAKE@
SHELL = @SHELL@
STRIP = @STRIP@
VERSION = @VERSION@
abs_builddir = @abs_builddir@
abs_srcdir = @abs_srcdir@
abs_top_builddir = @abs_top_builddir@
abs_top_srcdir = @abs_top_srcdir@
aext = @aext@
am__include = @am__include@
am__leading_dot = @am__leading_dot@
am__quote = @am__quote@
am__tar = @am__tar@
am__untar = @am__untar@
bindir = @bindir@
build = @build@
build_alias = @build_alias@
build_cpu = @build_cpu@
build_os = @build_os@
build_vendor = @build_vendor@
builddir = @builddir@
datadir = @datadir@
datarootdir = @datarootdir@
docdir = @docdir@
dvidir = @dvidir@
exec_prefix = @exec_prefix@
host = @host@
host_alias = @host_alias@
host_cpu = @host_cpu@
host_os = @host_os@
host_vendor = @host_vendor@
htmldir = @htmldir@
includedir = @includedir@
infodir = @infodir@
install_sh = @install_sh@
libdir = @libdir@
libexecdir = @libexecdir@
libm_machine_dir = @libm_machine_dir@
localedir = @localedir@
localstatedir = @localstatedir@
lpfx = @lpfx@
machine_dir = @machine_dir@
mandir = @mandir@
mkdir_p = @mkdir_p@
newlib_basedir = @newlib_basedir@
oext = @oext@
oldincludedir = @oldincludedir@
pdfdir = @pdfdir@
prefix = @prefix@
program_transform_name = @program_transform_name@
psdir = @psdir@
sbindir = @sbindir@
sharedstatedir = @sharedstatedir@
srcdir = @srcdir@
sys_dir = @sys_dir@
sysconfdir = @sysconfdir@
target_alias = @target_alias@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
AUTOMAKE_OPTIONS = cygnus
INCLUDES = $(NEWLIB_CFLAGS) $(CROSS_CFLAGS) $(TARGET_CFLAGS)
AM_CCASFLAGS = $(INCLUDES)
noinst_LIBRARIES = lib.a
lib_a_SOURCES = setjmp.s
lib_a_CCASFLAGS = $(AM_CCASFLAGS)
lib_a_CFLAGS = $(AM_CFLAGS)
ACLOCAL_AMFLAGS = -I ../../.. -I ../../../..
CONFIG_STATUS_DEPENDENCIES = $(newlib_basedir)/configure.host
all: all-am
.SUFFIXES:
.SUFFIXES: .o .obj .s
am--refresh: Makefile
@:
$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(am__configure_deps)
@for dep in $?; do \
case '$(am__configure_deps)' in \
*$$dep*) \
echo ' cd $(srcdir) && $(AUTOMAKE) --cygnus'; \
$(am__cd) $(srcdir) && $(AUTOMAKE) --cygnus \
&& exit 0; \
exit 1;; \
esac; \
done; \
echo ' cd $(top_srcdir) && $(AUTOMAKE) --cygnus Makefile'; \
$(am__cd) $(top_srcdir) && \
$(AUTOMAKE) --cygnus Makefile
.PRECIOUS: Makefile
Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
@case '$?' in \
*config.status*) \
echo ' $(SHELL) ./config.status'; \
$(SHELL) ./config.status;; \
*) \
echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
esac;
$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
$(SHELL) ./config.status --recheck
$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
$(am__cd) $(srcdir) && $(AUTOCONF)
$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
$(am__cd) $(srcdir) && $(ACLOCAL) $(ACLOCAL_AMFLAGS)
$(am__aclocal_m4_deps):
clean-noinstLIBRARIES:
-test -z "$(noinst_LIBRARIES)" || rm -f $(noinst_LIBRARIES)
lib.a: $(lib_a_OBJECTS) $(lib_a_DEPENDENCIES) $(EXTRA_lib_a_DEPENDENCIES)
-rm -f lib.a
$(lib_a_AR) lib.a $(lib_a_OBJECTS) $(lib_a_LIBADD)
$(RANLIB) lib.a
mostlyclean-compile:
-rm -f *.$(OBJEXT)
distclean-compile:
-rm -f *.tab.c
.s.o:
$(CCASCOMPILE) -c -o $@ $<
.s.obj:
$(CCASCOMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
lib_a-setjmp.o: setjmp.s
$(CCAS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-setjmp.o `test -f 'setjmp.s' || echo '$(srcdir)/'`setjmp.s
lib_a-setjmp.obj: setjmp.s
$(CCAS) $(lib_a_CCASFLAGS) $(CCASFLAGS) -c -o lib_a-setjmp.obj `if test -f 'setjmp.s'; then $(CYGPATH_W) 'setjmp.s'; else $(CYGPATH_W) '$(srcdir)/setjmp.s'; fi`
ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
$(AWK) '{ files[$$0] = 1; nonempty = 1; } \
END { if (nonempty) { for (i in files) print i; }; }'`; \
mkid -fID $$unique
tags: TAGS
TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
set x; \
here=`pwd`; \
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
$(AWK) '{ files[$$0] = 1; nonempty = 1; } \
END { if (nonempty) { for (i in files) print i; }; }'`; \
shift; \
if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
test -n "$$unique" || unique=$$empty_fix; \
if test $$# -gt 0; then \
$(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
"$$@" $$unique; \
else \
$(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
$$unique; \
fi; \
fi
ctags: CTAGS
CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
$(TAGS_FILES) $(LISP)
list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
unique=`for i in $$list; do \
if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
done | \
$(AWK) '{ files[$$0] = 1; nonempty = 1; } \
END { if (nonempty) { for (i in files) print i; }; }'`; \
test -z "$(CTAGS_ARGS)$$unique" \
|| $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
$$unique
GTAGS:
here=`$(am__cd) $(top_builddir) && pwd` \
&& $(am__cd) $(top_srcdir) \
&& gtags -i $(GTAGS_ARGS) "$$here"
distclean-tags:
-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
check-am:
check: check-am
all-am: Makefile $(LIBRARIES)
installdirs:
install: install-am
install-exec: install-exec-am
install-data: install-data-am
uninstall: uninstall-am
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
installcheck: installcheck-am
install-strip:
if test -z '$(STRIP)'; then \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
install; \
else \
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
"INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
fi
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
clean: clean-am
clean-am: clean-generic clean-noinstLIBRARIES mostlyclean-am
distclean: distclean-am
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
dvi: dvi-am
dvi-am:
html: html-am
html-am:
info: info-am
info-am:
install-data-am:
install-dvi: install-dvi-am
install-dvi-am:
install-exec-am:
install-html: install-html-am
install-html-am:
install-info: install-info-am
install-info-am:
install-man:
install-pdf: install-pdf-am
install-pdf-am:
install-ps: install-ps-am
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -f $(am__CONFIG_DISTCLEAN_FILES)
-rm -rf $(top_srcdir)/autom4te.cache
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-compile mostlyclean-generic
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am:
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS all all-am am--refresh check check-am clean \
clean-generic clean-noinstLIBRARIES ctags distclean \
distclean-compile distclean-generic distclean-tags dvi dvi-am \
html html-am info info-am install install-am install-data \
install-data-am install-dvi install-dvi-am install-exec \
install-exec-am install-html install-html-am install-info \
install-info-am install-man install-pdf install-pdf-am \
install-ps install-ps-am install-strip installcheck \
installcheck-am installdirs maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-compile \
mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \
uninstall-am
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

1012
newlib/libc/machine/pru/aclocal.m4 vendored Normal file

File diff suppressed because it is too large Load Diff

4766
newlib/libc/machine/pru/configure vendored Executable file

File diff suppressed because it is too large Load Diff

View File

@ -0,0 +1,14 @@
dnl This is the newlib/libc/machine/pru configure.in file.
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
AC_INIT([newlib],[NEWLIB_VERSION])
AC_CONFIG_SRCDIR([setjmp.s])
dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
AC_CONFIG_AUX_DIR(../../../..)
NEWLIB_CONFIGURE(../../..)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT

View File

@ -0,0 +1,45 @@
/* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2018-2019 Dimitar Dimitrov <dimitar@dinux.eu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
.section .text
.align 3
.globl setjmp
.type setjmp,@function
.globl longjmp
.type longjmp,@function
setjmp:
sbbo r2, r14, 0, 4*12 /* SP, RA, FP, r5-r13 */
ldi r14, 0
ret
longjmp:
lbbo r2, r14, 0, 4*12 /* SP, RA, FP, r5-r13 */
mov r14, r15 /* copy second arg to return location */
qbne 1f, r14, 0 /* per stdC, we cannot return 0 */
ldi r14, 1
1:
ret