# Copyright (c) 2018, 2019 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder.  You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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;
# neither the name of the copyright holders 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
# OWNER 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.

from m5.params import *
from m5.SimObject import *

from m5.objects.Serial import SerialDevice
from m5.objects.Terminal import Terminal


class ArmSemihosting(SimObject):
    type = "ArmSemihosting"
    cxx_header = "arch/arm/semihosting.hh"
    cxx_class = "gem5::ArmSemihosting"

    cmd_line = Param.String("", "Command line to report to guest")
    stdin = Param.String("stdin", "Standard input (stdin for gem5's terminal)")
    stdout = Param.String(
        "stdout", "Standard output (stdout for gem5's terminal)"
    )
    stderr = Param.String(
        "stderr", "Standard error (stderr for gem5's terminal)"
    )
    files_root_dir = Param.String(
        "", "Host root directory for files handled by Semihosting"
    )

    mem_reserve = Param.MemorySize(
        "32MiB",
        "Amount of memory to reserve at the start of the address map. This "
        "memory won't be used by the heap reported to an application.",
    )
    stack_size = Param.MemorySize("32MiB", "Application stack size")

    time = Param.Time(
        "01/01/2009", "System time to use ('Now' for actual time)"
    )