1#!/bin/sh
2#
3# SPDX-License-Identifier: BSD-3-Clause
4#
5# Copyright © 2020 Keith Packard
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10#
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13#
14# 2. Redistributions in binary form must reproduce the above
15#    copyright notice, this list of conditions and the following
16#    disclaimer in the documentation and/or other materials provided
17#    with the distribution.
18#
19# 3. Neither the name of the copyright holder nor the names of its
20#    contributors may be used to endorse or promote products derived
21#    from this software without specific prior written permission.
22#
23# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
34# OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36
37dir="$(dirname "$0")"
38
39# select the program
40elf="$1"
41shift
42
43qemu="qemu-system-nios2"
44
45# Point the semihosting driver at our new chardev
46
47cmdline="program-name"
48input=""
49done=0
50
51while [ "$done" != "1" ]; do
52    case "$1" in
53        --)
54            shift
55            done=1
56            ;;
57        -s|"")
58            done=1
59            ;;
60        *)
61            cmdline="$cmdline $1"
62            case "$input" in
63                "")
64                    input="$1"
65                    ;;
66                *)
67                    input="$input $1"
68                    ;;
69            esac
70            shift
71            ;;
72    esac
73done
74
75semi=enable=on,chardev=stdio0,arg="$cmdline"
76
77# Disable monitor
78
79mon=none
80
81# Point serial port at new chardev
82
83serial=stdio
84
85machine=10m50-ghrd
86
87echo "$input" | $qemu \
88  -chardev stdio,id=stdio0,mux=on \
89  -machine $machine \
90  -serial none \
91  -semihosting-config "$semi" \
92  -mon chardev=stdio0,mode=readline \
93  -net none \
94  -nographic \
95  -kernel "$elf" "$@"
96