src/riscv-ubuntu/disk-image/riscv-ubuntu/gem5_init.sh

#!/bin/bash

# Copyright (c) 2022 The University of California.
# Copyright (c) 2021 The University of Texas at Austin.
# SPDX-License-Identifier: BSD 3-Clause

if ! [ -z $IGNORE_M5 ]; then
    echo "Starting gem5 init... reading run script file."
    if ! m5 readfile > /tmp/script; then
        echo "Failed to run m5 readfile, exiting!"
        rm -f /tmp/script
        if ! m5 exit; then
            # Useful for booting the disk image in (e.g.,) qemu for debugging
            echo "m5 exit failed, dropping to shell."
            IGNORE_M5=1 /bin/bash
        fi
    else
        echo "Running m5 script from /tmp/script"
        chmod 755 /tmp/script
        /tmp/script
        echo "Done running script, exiting."
        rm -f /tmp/script
        m5 exit
    fi
fi