1# Copyright (c) 2008 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Gabe Black
28
29from __future__ import print_function
30
31from m5.defines import buildEnv
32from m5.params import *
33
34from m5.objects.BaseCPU import BaseCPU
35from m5.objects.DummyChecker import DummyChecker
36from m5.objects.BranchPredictor import *
37
38class BaseSimpleCPU(BaseCPU):
39    type = 'BaseSimpleCPU'
40    abstract = True
41    cxx_header = "cpu/simple/base.hh"
42
43    def addCheckerCpu(self):
44        if buildEnv['TARGET_ISA'] in ['arm']:
45            from m5.objects.ArmTLB import ArmTLB
46
47            self.checker = DummyChecker(workload = self.workload)
48            self.checker.itb = ArmTLB(size = self.itb.size)
49            self.checker.dtb = ArmTLB(size = self.dtb.size)
50        else:
51            print("ERROR: Checker only supported under ARM ISA!")
52            exit(1)
53
54    branchPred = Param.BranchPredictor(NULL, "Branch Predictor")
55