configs/example/hmc_hello.py

   1 # Copyright (c) 2017, University of Kaiserslautern
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  16 #    contributors may be used to endorse or promote products derived from
  17 #    this software without specific prior written permission.
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  20 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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  30 #
  31 # Author: Éder F. Zulian
  32
  33 from __future__ import print_function
  34 from __future__ import absolute_import
  35
  36 import sys
  37 import argparse
  38
  39 import m5
  40 from m5.objects import *
  41 from m5.util import *
  42 addToPath('../')
  43 from common import MemConfig
  44 from common import HMC
  45
  46
  47 pd = "Simple 'hello world' example using HMC as main memory"
  48 parser = argparse.ArgumentParser(description=pd)
  49 HMC.add_options(parser)
  50 options = parser.parse_args()
  51 # create the system we are going to simulate
  52 system = System()
  53 # use timing mode for the interaction between master-slave ports
  54 system.mem_mode = 'timing'
  55 # set the clock fequency of the system
  56 clk = '1GHz'
  57 vd = VoltageDomain(voltage='1V')
  58 system.clk_domain = SrcClockDomain(clock=clk, voltage_domain=vd)
  59 # create a simple CPU
  60 system.cpu = TimingSimpleCPU()
  61 # config memory system
  62 MemConfig.config_mem(options, system)
  63 # hook the CPU ports up to the membus
  64 system.cpu.icache_port = system.membus.slave
  65 system.cpu.dcache_port = system.membus.slave
  66 # create the interrupt controller for the CPU and connect to the membus
  67 system.cpu.createInterruptController()
  68 # connect special port in the system to the membus. This port is a
  69 # functional-only port to allow the system to read and write memory.
  70 system.system_port = system.membus.slave
  71 # get ISA for the binary to run.
  72 isa = str(m5.defines.buildEnv['TARGET_ISA']).lower()
  73 # run 'hello' and use the compiled ISA to find the binary
  74 binary = 'tests/test-progs/hello/bin/' + isa + '/linux/hello'
  75 # create a process for a simple "Hello World" application
  76 process = Process()
  77 # cmd is a list which begins with the executable (like argv)
  78 process.cmd = [binary]
  79 # set the cpu workload
  80 system.cpu.workload = process
  81 # create thread contexts
  82 system.cpu.createThreads()
  83 # set up the root SimObject
  84 root = Root(full_system=False, system=system)
  85 m5.instantiate()
  86 m5.simulate()