Change-Id: Ie84a29e779187effea372c6289688f32a1db075d Signed-off-by: Hoa Nguyen <hoanguyen@ucdavis.edu> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/36635 Reviewed-by: Jason Lowe-Power <power.jg@gmail.com> Maintainer: Jason Lowe-Power <power.jg@gmail.com> Tested-by: kokoro <noreply+kokoro@google.com>
111 lines
5.0 KiB
Python
111 lines
5.0 KiB
Python
# Copyright (c) 2020 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.
|
|
#
|
|
# Copyright (c) 2009 Advanced Micro Devices, Inc.
|
|
# Copyright (c) 2020 ARM Limited
|
|
# All rights reserved.
|
|
#
|
|
# 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.proxy import *
|
|
from m5.objects.ClockedObject import ClockedObject
|
|
|
|
class RubyPort(ClockedObject):
|
|
type = 'RubyPort'
|
|
abstract = True
|
|
cxx_header = "mem/ruby/system/RubyPort.hh"
|
|
version = Param.Int(0, "")
|
|
|
|
in_ports = VectorResponsePort("CPU side of this RubyPort/Sequencer. "
|
|
"The CPU request ports should be connected to this. If a CPU "
|
|
"has multiple ports (e.g., I/D ports) all of the ports for a "
|
|
"single CPU can connect to one RubyPort.")
|
|
slave = DeprecatedParam(in_ports,
|
|
'`slave` is now called `in_ports`')
|
|
|
|
interrupt_out_port = VectorRequestPort("Port to connect to x86 interrupt "
|
|
"controller to send the CPU requests from outside.")
|
|
master = DeprecatedParam(interrupt_out_port,
|
|
'`master` is now called `interrupt_out_port`')
|
|
|
|
pio_request_port = RequestPort("Ruby pio request port")
|
|
pio_master_port = DeprecatedParam(pio_request_port,
|
|
'`pio_master_port` is now called `pio_request_port`')
|
|
|
|
mem_request_port = RequestPort("Ruby mem request port")
|
|
mem_master_port = DeprecatedParam(mem_request_port,
|
|
'`mem_master_port` is now called `mem_request_port`')
|
|
|
|
pio_response_port = ResponsePort("Ruby pio response port")
|
|
pio_slave_port = DeprecatedParam(pio_response_port,
|
|
'`pio_slave_port` is now called `pio_response_port`')
|
|
|
|
using_ruby_tester = Param.Bool(False, "")
|
|
no_retry_on_stall = Param.Bool(False, "")
|
|
ruby_system = Param.RubySystem(Parent.any, "")
|
|
system = Param.System(Parent.any, "system object")
|
|
support_data_reqs = Param.Bool(True, "data cache requests supported")
|
|
support_inst_reqs = Param.Bool(True, "inst cache requests supported")
|
|
is_cpu_sequencer = Param.Bool(True, "connected to a cpu")
|
|
|
|
class RubyPortProxy(RubyPort):
|
|
type = 'RubyPortProxy'
|
|
cxx_header = "mem/ruby/system/RubyPortProxy.hh"
|
|
|
|
class RubySequencer(RubyPort):
|
|
type = 'RubySequencer'
|
|
cxx_class = 'Sequencer'
|
|
cxx_header = "mem/ruby/system/Sequencer.hh"
|
|
|
|
dcache = Param.RubyCache("")
|
|
|
|
max_outstanding_requests = Param.Int(16,
|
|
"max requests (incl. prefetches) outstanding")
|
|
deadlock_threshold = Param.Cycles(500000,
|
|
"max outstanding cycles for a request before deadlock/livelock declared")
|
|
garnet_standalone = Param.Bool(False, "")
|
|
# id used by protocols that support multiple sequencers per controller
|
|
# 99 is the dummy default value
|
|
coreid = Param.Int(99, "CorePair core id")
|
|
|
|
class RubyHTMSequencer(RubySequencer):
|
|
type = 'RubyHTMSequencer'
|
|
cxx_class = 'HTMSequencer'
|
|
cxx_header = "mem/ruby/system/HTMSequencer.hh"
|
|
|
|
class DMASequencer(RubyPort):
|
|
type = 'DMASequencer'
|
|
cxx_header = "mem/ruby/system/DMASequencer.hh"
|
|
max_outstanding_requests = Param.Int(64, "max outstanding requests")
|