PciHost.py revision 11244
1# Copyright (c) 2015 ARM Limited 2# All rights reserved 3# 4# The license below extends only to copyright in the software and shall 5# not be construed as granting a license to any other intellectual 6# property including but not limited to intellectual property relating 7# to a hardware implementation of the functionality of the software 8# licensed hereunder. You may use the software subject to the license 9# terms below provided that you ensure that this notice is replicated 10# unmodified and in its entirety in all distributions of the software, 11# modified or unmodified, in source code or in binary form. 12# 13# Redistribution and use in source and binary forms, with or without 14# modification, are permitted provided that the following conditions are 15# met: redistributions of source code must retain the above copyright 16# notice, this list of conditions and the following disclaimer; 17# redistributions in binary form must reproduce the above copyright 18# notice, this list of conditions and the following disclaimer in the 19# documentation and/or other materials provided with the distribution; 20# neither the name of the copyright holders nor the names of its 21# contributors may be used to endorse or promote products derived from 22# this software without specific prior written permission. 23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Andreas Sandberg 37 38from m5.SimObject import SimObject 39from m5.params import * 40from m5.proxy import * 41from Device import PioDevice 42from Platform import Platform 43 44class PciHost(PioDevice): 45 type = 'PciHost' 46 cxx_class = 'PciHost' 47 cxx_header = "dev/pci/host.hh" 48 abstract = True 49 50class GenericPciHost(PciHost): 51 type = 'GenericPciHost' 52 cxx_class = 'GenericPciHost' 53 cxx_header = "dev/pci/host.hh" 54 55 platform = Param.Platform(Parent.any, "Platform to use for interrupts") 56 57 conf_base = Param.Addr("Config space base address") 58 conf_size = Param.Addr("Config space base address") 59 conf_device_bits = Param.UInt8(8, "Number of bits used to as an " 60 "offset a devices address space") 61 62 pci_pio_base = Param.Addr(0, "Base address for PCI IO accesses") 63 pci_mem_base = Param.Addr(0, "Base address for PCI memory accesses") 64 pci_dma_base = Param.Addr(0, "Base address for DMA memory accesses") 65