Index: tools/toolchain.riscv.sh
===================================================================
--- tools/toolchain.riscv.sh	(revision ff87f70e4fd5be2331ceca65c6409f318b2a815b)
+++ 	(revision )
@@ -1,431 +1,0 @@
-#! /bin/bash
-
-#
-# Copyright (c) 2009 Martin Decky
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-#   notice, this list of conditions and the following disclaimer.
-# - 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.
-# - The name of the author may not be used to endorse or promote products
-#   derived from this software without specific prior written permission.
-#
-# 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.
-#
-
-GMP_MAIN=<<EOF
-#define GCC_GMP_VERSION_NUM(a, b, c) \
-	(((a) << 16L) | ((b) << 8) | (c))
-
-#define GCC_GMP_VERSION \
-	GCC_GMP_VERSION_NUM(__GNU_MP_VERSION, __GNU_MP_VERSION_MINOR, __GNU_MP_VERSION_PATCHLEVEL)
-
-#if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4, 3, 2)
-	choke me
-#endif
-EOF
-
-MPFR_MAIN=<<EOF
-#if MPFR_VERSION < MPFR_VERSION_NUM(2, 4, 2)
-	choke me
-#endif
-EOF
-
-MPC_MAIN=<<EOF
-#if MPC_VERSION < MPC_VERSION_NUM(0, 8, 1)
-	choke me
-#endif
-EOF
-
-ISL_MAIN=<<EOF
-isl_ctx_get_max_operations (isl_ctx_alloc ());
-EOF
-
-BINUTILS_VERSION="2.25.1"
-BINUTILS_RELEASE=""
-GCC_VERSION="5.3.0"
-
-BASEDIR="`pwd`"
-SRCDIR="$(readlink -f $(dirname "$0"))"
-BINUTILS="riscv-binutils-${BINUTILS_VERSION}${BINUTILS_RELEASE}.tar.bz2"
-GCC="riscv-gcc-${GCC_VERSION}.tar.bz2"
-
-REAL_INSTALL=true
-USE_HELENOS_TARGET=false
-INSTALL_DIR="${BASEDIR}/PKG"
-
-#
-# Check if the library described in the argument
-# exists and has acceptable version.
-#
-check_dependency() {
-	DEPENDENCY="$1"
-	HEADER="$2"
-	BODY="$3"
-	
-	FNAME="/tmp/conftest-$$"
-	
-	echo "#include ${HEADER}" > "${FNAME}.c"
-	echo >> "${FNAME}.c"
-	echo "int main()" >> "${FNAME}.c"
-	echo "{" >> "${FNAME}.c"
-	echo "${BODY}" >> "${FNAME}.c"
-	echo "	return 0;" >> "${FNAME}.c"
-	echo "}" >> "${FNAME}.c"
-	
-	cc -c -o "${FNAME}.o" "${FNAME}.c" 2> "${FNAME}.log"
-	RC="$?"
-	
-	if [ "$RC" -ne "0" ] ; then
-		echo " ${DEPENDENCY} not found, too old or compiler error."
-		echo " Please recheck manually the source file \"${FNAME}.c\"."
-		echo " The compilation of the toolchain is probably going to fail,"
-		echo " you have been warned."
-		echo
-		echo " ===== Compiler output ====="
-		cat "${FNAME}.log"
-		echo " ==========================="
-		echo
-	else
-		echo " ${DEPENDENCY} found"
-		rm -f "${FNAME}.log" "${FNAME}.o" "${FNAME}.c"
-	fi
-}
-
-check_dependecies() {
-	echo ">>> Basic dependency check"
-	check_dependency "GMP" "<gmp.h>" "${GMP_MAIN}"
-	check_dependency "MPFR" "<mpfr.h>" "${MPFR_MAIN}"
-	check_dependency "MPC" "<mpc.h>" "${MPC_MAIN}"
-	check_dependency "isl" "<isl/ctx.h>" "${ISL_MAIN}"
-	echo
-}
-
-check_error() {
-	if [ "$1" -ne "0" ]; then
-		echo
-		echo "Script failed: $2"
-		
-		exit 1
-	fi
-}
-
-check_md5() {
-	FILE="$1"
-	SUM="$2"
-	
-	COMPUTED="`md5sum "${FILE}" | cut -d' ' -f1`"
-	if [ "${SUM}" != "${COMPUTED}" ] ; then
-		echo
-		echo "Checksum of ${FILE} does not match."
-		
-		exit 2
-	fi
-}
-
-change_title() {
-	echo -en "\e]0;$1\a"
-}
-
-show_countdown() {
-	TM="$1"
-	
-	if [ "${TM}" -eq 0 ] ; then
-		echo
-		return 0
-	fi
-	
-	echo -n "${TM} "
-	change_title "${TM}"
-	sleep 1
-	
-	TM="`expr "${TM}" - 1`"
-	show_countdown "${TM}"
-}
-
-show_dependencies() {
-	echo "IMPORTANT NOTICE:"
-	echo
-	echo "For a successful compilation and use of the cross-compiler"
-	echo "toolchain you need at least the following dependencies."
-	echo
-	echo "Please make sure that the dependencies are present in your"
-	echo "system. Otherwise the compilation process might fail after"
-	echo "a few seconds or minutes."
-	echo
-	echo " - SED, AWK, Flex, Bison, gzip, bzip2, Bourne Shell"
-	echo " - gettext, zlib, Texinfo, libelf, libgomp"
-	echo " - GNU Make, Coreutils, Sharutils, tar"
-	echo " - GNU Multiple Precision Library (GMP)"
-	echo " - MPFR"
-	echo " - MPC"
-	echo " - integer point manipulation library (isl)"
-	echo " - native C and C++ compiler, assembler and linker"
-	echo " - native C and C++ standard library with headers"
-	echo
-}
-
-download_fetch() {
-	SOURCE="$1"
-	FILE="$2"
-	CHECKSUM="$3"
-	
-	if [ ! -f "${FILE}" ]; then
-		change_title "Downloading ${FILE}"
-		wget -c "${SOURCE}${FILE}"
-		check_error $? "Error downloading ${FILE}."
-	fi
-	
-	check_md5 "${FILE}" "${CHECKSUM}"
-}
-
-source_check() {
-	FILE="$1"
-	
-	if [ ! -f "${FILE}" ]; then
-		echo
-		echo "File ${FILE} not found."
-		
-		exit 4
-	fi
-}
-
-cleanup_dir() {
-	DIR="$1"
-	
-	if [ -d "${DIR}" ]; then
-		change_title "Removing ${DIR}"
-		echo " >>> Removing ${DIR}"
-		rm -fr "${DIR}"
-	fi
-}
-
-create_dir() {
-	DIR="$1"
-	DESC="$2"
-	
-	change_title "Creating ${DESC}"
-	echo ">>> Creating ${DESC}"
-	
-	mkdir -p "${DIR}"
-	test -d "${DIR}"
-	check_error $? "Unable to create ${DIR}."
-}
-
-check_dirs() {
-	OUTSIDE="$1"
-	BASE="$2"
-	ORIGINAL="`pwd`"
-	
-	cd "${OUTSIDE}"
-	check_error $? "Unable to change directory to ${OUTSIDE}."
-	ABS_OUTSIDE="`pwd`"
-	
-	cd "${BASE}"
-	check_error $? "Unable to change directory to ${BASE}."
-	ABS_BASE="`pwd`"
-	
-	cd "${ORIGINAL}"
-	check_error $? "Unable to change directory to ${ORIGINAL}."
-	
-	BASE_LEN="${#ABS_BASE}"
-	OUTSIDE_TRIM="${ABS_OUTSIDE:0:${BASE_LEN}}"
-	
-	if [ "${OUTSIDE_TRIM}" == "${ABS_BASE}" ] ; then
-		echo
-		echo "CROSS_PREFIX cannot reside within the working directory."
-		
-		exit 5
-	fi
-}
-
-unpack_tarball() {
-	FILE="$1"
-	DESC="$2"
-	
-	change_title "Unpacking ${DESC}"
-	echo " >>> Unpacking ${DESC}"
-	
-	case "${FILE}" in
-		*.gz)
-			tar -xzf "${FILE}"
-			;;
-		*.xz)
-			tar -xJf "${FILE}"
-			;;
-		*.bz2)
-			tar -xjf "${FILE}"
-			;;
-		*)
-			check_error 1 "Don't know how to unpack ${DESC}."
-			;;
-	esac
-	check_error $? "Error unpacking ${DESC}."
-}
-
-prepare() {
-	show_dependencies
-	check_dependecies
-	show_countdown 10
-	
-	BINUTILS_SOURCE="http://gist.decky.cz/"
-	GCC_SOURCE="http://gist.decky.cz/"
-	
-	download_fetch "${BINUTILS_SOURCE}" "${BINUTILS}" "62a8b269139e9625a23dc3174809edfa"
-	download_fetch "${GCC_SOURCE}" "${GCC}" "aaf5fa585a3328509c23ef6fbfba78fb"
-}
-
-set_target_from_platform() {
-	case "$1" in
-		"riscv64")
-			LINUX_TARGET="riscv64-unknown-linux-gnu"
-			HELENOS_TARGET="riscv64-helenos"
-			;;
-		*)
-			check_error 1 "No target known for $1."
-			;;
-	esac
-}
-
-build_target() {
-	PLATFORM="$1"
-	# This sets the *_TARGET variables
-	set_target_from_platform "$PLATFORM"
-	if $USE_HELENOS_TARGET; then
-		TARGET="$HELENOS_TARGET"
-	else
-		TARGET="$LINUX_TARGET"
-	fi
-	
-	WORKDIR="${BASEDIR}/${PLATFORM}"
-	BINUTILSDIR="${WORKDIR}/binutils-${BINUTILS_VERSION}"
-	GCCDIR="${WORKDIR}/gcc-${GCC_VERSION}"
-	OBJDIR="${WORKDIR}/gcc-obj"
-	
-	if [ -z "${CROSS_PREFIX}" ] ; then
-		CROSS_PREFIX="/usr/local/cross"
-	fi
-	if [ -z "${CROSS_HELENOS_PREFIX}" ] ; then
-		CROSS_HELENOS_PREFIX="/usr/local/cross-helenos"
-	fi
-	
-	if $USE_HELENOS_TARGET; then
-		PREFIX="${CROSS_HELENOS_PREFIX}/${PLATFORM}"
-	else
-		PREFIX="${CROSS_PREFIX}/${PLATFORM}"
-	fi
-	
-	echo ">>> Downloading tarballs"
-	source_check "${BASEDIR}/${BINUTILS}"
-	source_check "${BASEDIR}/${GCC}"
-	
-	echo ">>> Removing previous content"
-	$REAL_INSTALL && cleanup_dir "${PREFIX}"
-	cleanup_dir "${WORKDIR}"
-	
-	$REAL_INSTALL && create_dir "${PREFIX}" "destination directory"
-	create_dir "${OBJDIR}" "GCC object directory"
-	
-	check_dirs "${PREFIX}" "${WORKDIR}"
-	
-	echo ">>> Unpacking tarballs"
-	cd "${WORKDIR}"
-	check_error $? "Change directory failed."
-	
-	unpack_tarball "${BASEDIR}/${BINUTILS}" "binutils"
-	unpack_tarball "${BASEDIR}/${GCC}" "GCC"
-	
-	echo ">>> Processing binutils (${PLATFORM})"
-	cd "${BINUTILSDIR}"
-	check_error $? "Change directory failed."
-	
-	change_title "binutils: configure (${PLATFORM})"
-	CFLAGS=-Wno-error ./configure \
-		"--target=${TARGET}" \
-		"--prefix=${PREFIX}" "--program-prefix=${TARGET}-" \
-		--disable-nls --disable-werror
-	check_error $? "Error configuring binutils."
-	
-	change_title "binutils: make (${PLATFORM})"
-	make all
-	check_error $? "Error compiling binutils."
-	
-	change_title "binutils: install (${PLATFORM})"
-	if $REAL_INSTALL; then
-		make install
-	else
-		make install "DESTDIR=${INSTALL_DIR}"
-	fi
-	check_error $? "Error installing binutils."
-	
-	
-	echo ">>> Processing GCC (${PLATFORM})"
-	cd "${OBJDIR}"
-	check_error $? "Change directory failed."
-	
-	change_title "GCC: configure (${PLATFORM})"
-	PATH="$PATH:${INSTALL_DIR}/${PREFIX}/bin" "${GCCDIR}/configure" \
-		"--target=${TARGET}" \
-		"--prefix=${PREFIX}" "--program-prefix=${TARGET}-" \
-		--with-gnu-as --with-gnu-ld --disable-nls --disable-threads \
-		--enable-languages=c,objc,c++,obj-c++ \
-		--disable-multilib --disable-libgcj --without-headers \
-		--disable-shared --enable-lto --disable-werror
-	check_error $? "Error configuring GCC."
-	
-	change_title "GCC: make (${PLATFORM})"
-	PATH="${PATH}:${PREFIX}/bin:${INSTALL_DIR}/${PREFIX}/bin" make all-gcc
-	check_error $? "Error compiling GCC."
-	
-	change_title "GCC: install (${PLATFORM})"
-	if $REAL_INSTALL; then
-		PATH="${PATH}:${PREFIX}/bin" make install-gcc
-	else
-		PATH="${PATH}:${INSTALL_DIR}/${PREFIX}/bin" make install-gcc "DESTDIR=${INSTALL_DIR}"
-	fi
-	check_error $? "Error installing GCC."
-	
-	
-	cd "${BASEDIR}"
-	check_error $? "Change directory failed."
-	
-	echo ">>> Cleaning up"
-	cleanup_dir "${WORKDIR}"
-	
-	echo
-	echo ">>> Cross-compiler for ${TARGET} installed."
-}
-
-while [ "$#" -gt 1 ]; do
-	case "$1" in
-		--no-install)
-			REAL_INSTALL=false
-			shift
-			;;
-		--helenos-target)
-			USE_HELENOS_TARGET=true
-			shift
-			;;
-		*)
-			show_usage
-			;;
-	esac
-done
-
-prepare
-build_target riscv64
Index: tools/toolchain.sh
===================================================================
--- tools/toolchain.sh	(revision ff87f70e4fd5be2331ceca65c6409f318b2a815b)
+++ tools/toolchain.sh	(revision d2bd00f03251193a55f3408b33cc01195ef6236d)
@@ -57,8 +57,8 @@
 EOF
 
-BINUTILS_VERSION="2.27"
+BINUTILS_VERSION="2.28"
 BINUTILS_RELEASE=""
 ## BINUTILS_PATCHES="toolchain-binutils-2.23.1.patch"
-GCC_VERSION="6.3.0"
+GCC_VERSION="7.1.0"
 ## GCC_PATCHES="toolchain-gcc-4.8.1-targets.patch toolchain-gcc-4.8.1-headers.patch"
 GDB_VERSION="7.12.1"
@@ -152,5 +152,5 @@
 	echo "Possible target platforms are:"
 	echo " amd64      AMD64 (x86-64, x64)"
-	echo " arm32      ARM"
+	echo " arm32      ARM 32b"
 	echo " ia32       IA-32 (x86, i386)"
 	echo " ia64       IA-64 (Itanium)"
@@ -158,6 +158,7 @@
 	echo " mips32eb   MIPS big-endian 32b"
 	echo " mips64     MIPS little-endian 64b"
-	echo " ppc32      32-bit PowerPC"
-	echo " ppc64      64-bit PowerPC"
+	echo " ppc32      PowerPC 32b"
+	echo " ppc64      PowerPC 64v"
+	echo " riscv64    RISC-V 64b"
 	echo " sparc64    SPARC V9"
 	echo " all        build all targets"
@@ -348,6 +349,6 @@
 	GDB_SOURCE="ftp://ftp.gnu.org/gnu/gdb/"
 	
-	download_fetch "${BINUTILS_SOURCE}" "${BINUTILS}" "2869c9bf3e60ee97c74ac2a6bf4e9d68"
-	download_fetch "${GCC_SOURCE}" "${GCC}" "677a7623c7ef6ab99881bc4e048debb6"
+	download_fetch "${BINUTILS_SOURCE}" "${BINUTILS}" "9e8340c96626b469a603c15c9d843727"
+	download_fetch "${GCC_SOURCE}" "${GCC}" "6bf56a2bca9dac9dbbf8e8d1036964a8"
 	download_fetch "${GDB_SOURCE}" "${GDB}" "06c8f40521ed65fe36ebc2be29b56942"
 }
@@ -390,4 +391,8 @@
 			LINUX_TARGET="ppc64-linux-gnu"
 			HELENOS_TARGET="ppc64-helenos"
+			;;
+		"riscv64")
+			LINUX_TARGET="riscv64-unknown-linux-gnu"
+			HELENOS_TARGET="riscv64-helenos"
 			;;
 		"sparc64")
@@ -514,26 +519,29 @@
 	
 	
-	echo ">>> Processing GDB (${PLATFORM})"
-	cd "${GDBDIR}"
-	check_error $? "Change directory failed."
-	
-	change_title "GDB: configure (${PLATFORM})"
-	PATH="$PATH:${INSTALL_DIR}/${PREFIX}/bin" ./configure \
-		"--target=${TARGET}" \
-		"--prefix=${PREFIX}" "--program-prefix=${TARGET}-" \
-		--enable-werror=no
-	check_error $? "Error configuring GDB."
-	
-	change_title "GDB: make (${PLATFORM})"
-	PATH="${PATH}:${PREFIX}/bin:${INSTALL_DIR}/${PREFIX}/bin" make all
-	check_error $? "Error compiling GDB."
-	
-	change_title "GDB: make (${PLATFORM})"
-	if $REAL_INSTALL; then
-		PATH="${PATH}:${PREFIX}/bin" make install
-	else
-		PATH="${PATH}:${INSTALL_DIR}/${PREFIX}/bin" make install "DESTDIR=${INSTALL_DIR}"
-	fi
-	check_error $? "Error installing GDB."
+	# No GDB support for RISC-V so far
+	if [ "$PLATFORM" != "riscv64" ] ; then
+		echo ">>> Processing GDB (${PLATFORM})"
+		cd "${GDBDIR}"
+		check_error $? "Change directory failed."
+		
+		change_title "GDB: configure (${PLATFORM})"
+		PATH="$PATH:${INSTALL_DIR}/${PREFIX}/bin" ./configure \
+			"--target=${TARGET}" \
+			"--prefix=${PREFIX}" "--program-prefix=${TARGET}-" \
+			--enable-werror=no
+		check_error $? "Error configuring GDB."
+		
+		change_title "GDB: make (${PLATFORM})"
+		PATH="${PATH}:${PREFIX}/bin:${INSTALL_DIR}/${PREFIX}/bin" make all
+		check_error $? "Error compiling GDB."
+		
+		change_title "GDB: make (${PLATFORM})"
+		if $REAL_INSTALL ; then
+			PATH="${PATH}:${PREFIX}/bin" make install
+		else
+			PATH="${PATH}:${INSTALL_DIR}/${PREFIX}/bin" make install "DESTDIR=${INSTALL_DIR}"
+		fi
+		check_error $? "Error installing GDB."
+	fi
 	
 	
@@ -569,5 +577,5 @@
 
 case "$1" in
-	amd64|arm32|ia32|ia64|mips32|mips32eb|mips64|ppc32|ppc64|sparc64)
+	amd64|arm32|ia32|ia64|mips32|mips32eb|mips64|ppc32|ppc64|riscv64|sparc64)
 		prepare
 		build_target "$1"
@@ -584,4 +592,5 @@
 		build_target "ppc32"
 		build_target "ppc64"
+		build_target "riscv64"
 		build_target "sparc64"
 		;;
@@ -597,4 +606,5 @@
 		build_target "ppc32" &
 		build_target "ppc64" &
+		build_target "riscv64" &
 		build_target "sparc64" &
 		wait
@@ -618,5 +628,8 @@
 		wait
 		
+		build_target "riscv64" &
 		build_target "ppc64" &
+		wait
+		
 		build_target "sparc64" &
 		wait