787204c92d
The command executed was `black src configs tests util`. Change-Id: I8dfaa6ab04658fea37618127d6ac19270028d771 Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/47024 Maintainer: Bobby Bruce <bbruce@ucdavis.edu> Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>
116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
# Copyright (c) 2015-2016 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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# 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.SimObject import SimObject
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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 PioDevice
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from m5.objects.Platform import Platform
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class PciHost(PioDevice):
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type = "PciHost"
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cxx_class = "gem5::PciHost"
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cxx_header = "dev/pci/host.hh"
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abstract = True
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class GenericPciHost(PciHost):
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type = "GenericPciHost"
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cxx_class = "gem5::GenericPciHost"
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cxx_header = "dev/pci/host.hh"
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platform = Param.Platform(Parent.any, "Platform to use for interrupts")
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conf_base = Param.Addr("Config space base address")
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conf_size = Param.Addr("Config space base address")
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conf_device_bits = Param.UInt8(
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8, "Number of bits used to as an " "offset a devices address space"
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)
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pci_pio_base = Param.Addr(0, "Base address for PCI IO accesses")
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pci_mem_base = Param.Addr(0, "Base address for PCI memory accesses")
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pci_dma_base = Param.Addr(0, "Base address for DMA memory accesses")
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def pciFdtAddr(
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self,
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bus=0,
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device=0,
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function=0,
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register=0,
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space=0,
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aliased=0,
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prefetchable=0,
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relocatable=0,
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addr=0,
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):
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busf = bus & 0xFF
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devicef = device & 0x1F
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functionf = function & 0x7
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registerf = register & 0xFF
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spacef = space & 0x3
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aliasedf = aliased & 0x1
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prefetchablef = prefetchable & 0x1
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relocatablef = relocatable & 0x1
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if (
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busf != bus
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or devicef != device
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or functionf != function
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or registerf != register
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or spacef != space
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or aliasedf != aliased
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or prefetchablef != prefetchable
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or relocatablef != relocatable
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):
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fatal("One of the fields for the PCI address is out of bounds")
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address = (
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registerf
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| (functionf << 8)
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| (devicef << 11)
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| (busf << 16)
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| (spacef << 24)
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| (aliasedf << 29)
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| (prefetchablef << 30)
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| (relocatablef << 31)
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)
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low_addr = addr & 0xFFFFFFFF
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high_addr = (addr >> 32) & 0xFFFFFFFF
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return [address, high_addr, low_addr]
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