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#!/bin/sh
#
# SPDX-License-Identifier: BSD-3-Clause
#
# Copyright © 2020 Keith Packard
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "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
# COPYRIGHT HOLDER OR CONTRIBUTORS 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.
#
# select the program
elf="$1"
shift
archstring=""
readelf="arc-zephyr-elf-readelf"
# If readelf is installed, we can use the attributes
# in the file to determine the target cpu
if command -v "$readelf" >/dev/null 2>/dev/null; then
# LLVM-based toolchains readelf produces different output from GNU, so
# check --version output first.
if "$readelf" --version | grep LLVM >/dev/null; then
archstring=$("$readelf" --arch-specific "$elf" | grep "Value: rv" | cut -d: -f2)
else
archstring=$("$readelf" --arch-specific "$elf" | grep Tag_ARC_CPU_name | cut -d: -f2 | tr -d '" ')
fi
isaconfig=$("$readelf" --arch-specific "$elf" | grep Tag_ARC_ISA_config | cut -d: -f2 | tr -d '" ')
fi
if [ -z "$archstring" ]; then
echo "Could not determine architecture for $elf, is readelf installed?" >&2
exit 77
fi
cpu=$archstring
case "$cpu" in
hs5*)
qemu=qemu-system-arc
cpu=hs5x
;;
hs6x|fpud)
qemu=qemu-system-arc64
;;
arc700|arc600|nps400)
echo "unsupported cpu $cpu"
exit 77
;;
arcem)
case "$isaconfig" in
*DPFP*|*SPFP*|*FPUS*|*FPUDA*)
echo "arcem with FPU is not complete"
exit 77
;;
esac
qemu=qemu-system-arc
cpu=arcem
;;
archs)
case "$isaconfig" in
*FPU*)
echo "archs with FPU is not complete"
exit 77
;;
esac
qemu=qemu-system-arc
cpu=archs
;;
*)
qemu=qemu-system-arc
;;
esac
# Map stdio to a multiplexed character device so we can use it
# for the monitor and semihosting output
chardev=stdio,mux=on,id=stdio0
cmdline="program-name"
input=""
done=0
while [ "$done" != "1" ]; do
case "$1" in
--)
shift
done=1
;;
-s|"")
done=1
;;
*)
cmdline="$cmdline $1"
case "$input" in
"")
input="$1"
;;
*)
input="$input $1"
;;
esac
shift
;;
esac
done
# Point the semihosting driver at our new chardev
semi=enable=on,chardev=stdio0,arg="$cmdline"
# Disable monitor
mon=none
# Point serial port at the new chardev
#serial=none
serial=chardev:stdio0
echo "$input" | $qemu -chardev $chardev -semihosting-config "$semi" -monitor "$mon" -serial "$serial" -cpu $cpu -machine arc-sim -nographic -kernel "$elf" -nic none "$@"
#gdb -fullname -args $qemu -chardev $chardev -semihosting-config "$semi" -monitor "$mon" -serial "$serial" -cpu $cpu -nographic -kernel "$elf" -nic none -machine arc-sim "$@"
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