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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.
#
dir="$(dirname "$0")"
# select the program
elf="$1"
shift
qemu="qemu-system-nios2"
# Point the semihosting driver at our new chardev
cmdline="program-name"
input=""
done=0
while [ "$done" != "1" ]; do
case "$1" in
--)
shift
done=1
;;
-s|"")
done=1
;;
*)
cmdline="$cmdline $1"
case "$input" in
"")
input="$1"
;;
*)
input="$input $1"
;;
esac
shift
;;
esac
done
semi=enable=on,chardev=stdio0,arg="$cmdline"
# Disable monitor
mon=none
# Point serial port at new chardev
serial=stdio
machine=10m50-ghrd
echo "$input" | $qemu \
-chardev stdio,id=stdio0,mux=on \
-machine $machine \
-serial none \
-semihosting-config "$semi" \
-mon chardev=stdio0,mode=readline \
-net none \
-nographic \
-kernel "$elf" "$@"
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