4925855557
Use the new ByteOrder param type in SimpleUart. The default value is currently little endian. However, it is expected that most users of this device will use single-byte accesses which aren't affected by endianness. Change-Id: I3f5d4ea566e5127474cff976332bd53c5b49b9e2 Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/33295 Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
63 lines
2.9 KiB
Python
63 lines
2.9 KiB
Python
# Copyright (c) 2018 ARM Limited
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# All rights reserved.
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#
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# The license below extends only to copyright in the software and shall
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# not be construed as granting a license to any other intellectual
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# property including but not limited to intellectual property relating
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# to a hardware implementation of the functionality of the software
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# licensed hereunder. You may use the software subject to the license
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# terms below provided that you ensure that this notice is replicated
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# unmodified and in its entirety in all distributions of the software,
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# modified or unmodified, in source code or in binary form.
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#
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# Copyright (c) 2005-2007 The Regents of The University of Michigan
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from m5.params import *
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from m5.proxy import *
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from m5.objects.Device import BasicPioDevice
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from m5.objects.Serial import SerialDevice
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class Uart(BasicPioDevice):
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type = 'Uart'
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abstract = True
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cxx_header = "dev/serial/uart.hh"
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platform = Param.Platform(Parent.any, "Platform this device is part of.")
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device = Param.SerialDevice(Parent.any, "The terminal")
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class SimpleUart(Uart):
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type = 'SimpleUart'
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cxx_header = "dev/serial/simple.hh"
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byte_order = Param.ByteOrder("little", "Device byte order")
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pio_size = Param.Addr(0x4, "Size of address range")
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end_on_eot = Param.Bool(False, "End the simulation when a EOT is "\
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"received on the UART")
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class Uart8250(Uart):
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type = 'Uart8250'
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cxx_header = "dev/serial/uart8250.hh"
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