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#!/usr/bin/env python2.7
# Python 2.7 is <required> for fm.debug
__copyright__ = """
Copyright (c) 2019-2020, Arm Limited and Contributors. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
"""
import sys
import os
a5ds_dir = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join((a5ds_dir),'..','..', 'test'))
from fvp_wrapper import FVPWrapper, TelnetWatcher
""" corstone500_fvp.py
This file contains the Corstone-500 FVP subclass of the generic FVP wrapper class.
Upon instantiation, telnet watchers are created for each UART exposed by the
FVP, and - using the provided test specification - watchers are set up with their
respective stop and verification conditions.
CA5DS has been rebranded to Corstone-500.
"""
"""a5dsDefaultConfig
default Corstone-500 configuration parameters.
Note that these are fully platform dependant, and are only specified in the
following map to provide a clear overview of what the configuration constants
of this script are.
"""
a5dsDefaultConfig = {
# =============== FVP Parameters ===============
# Stop condition
"stop_cnd" : "/OSCI/SystemC: Simulation stopped by user",
# data
"host_cpu0" : "css.cluster.cpu0",
# address1
"address1" : "0x80000000",
# Flash loaders
"board_ROMloader" : "board.flashloader0.fname",
# UART logs
"host_uart0" : "css.uart_0.out_file",
# Telnet parameters
"telnet_host" : 'localhost',
"host_telnet_port0" : 5000,
# =============== Test parameters ==============
"linux_login_prompt" : "corstone500 login:",
"linux_user" : "root",
"linux_shstring" : "root@corstone500:~# "
}
""" a5dsDefaultTestspec
Test-specification parameters for Corstone-500.
Note that this is fully platform-dependant, and only used during the
initialization of a5dsFVP.
"""
a5dsDefaultTestspec = {
"name" : None, # Test name
"commands" : [], # Commands to execute on Host
"board_flash" : None, # Board flash image
"host_stop_str" : None, # Stop condition string for Host
"host_ver_strs" : [], # Verification strings for Host
}
class A5dsFVP(FVPWrapper):
def __init__(self, testspec, fvp_path, image_dir, usermode, fvp_timeout, stdin):
FVPWrapper.__init__(
self,
fvp_path=fvp_path,
fvp_name="corstone500",
usermode=usermode,
work_dir=a5ds_dir,
fvp_timeout=fvp_timeout,
testname=testspec['name'],
stdin=stdin
)
self.config = a5dsDefaultConfig
self.testspec = self.parseTestspec(testspec)
self.image_dir = image_dir
# Define watchers for each terminal
# Host terminal 0 watcher
host0_watcher = TelnetWatcher(
name="host0",
termfile=os.path.join(self.work_dir, self.log_dir, self.testspec['name'] + "_host0.txt"),
stop_str=self.testspec['host_stop_str'],
fvp_uart=self.config['host_uart0'],
port=self.config['host_telnet_port0'],
sys_stop_str=self.config['stop_cnd'],
verification_strs=self.testspec['host_ver_strs']
)
# We define an initial command sequence for host0 which will login
# and await until a user can enter commands
host0_watcher.addCommand('r', self.config['linux_login_prompt'])
host0_watcher.addCommand('w', self.config['linux_user'])
host0_watcher.addCommand('r', self.config['linux_shstring'])
# Once the host is logged in, we add the user-provided test commands
for commandtype, command in self.testspec['commands']:
host0_watcher.addCommand(commandtype, command)
self.watchers.append(host0_watcher)
def getModelParameters(self):
# Assign images to FVP flashloaders
fvp_params = {}
fvp_params[self.config['board_ROMloader']] = os.path.join(self.image_dir, "bl1.bin")
return fvp_params
def getModelData(self):
# Assign images to FVP flashloaders
fvp_data = {}
fvp_data[self.config['host_cpu0']] = os.path.join(self.image_dir, "arm-reference-image-corstone500.wic.nopt" + "@" + self.config['address1'])
return fvp_data
def parseTestspec(self, testspec):
""" Function for parsing a test-specification in line with the arguments
made available by a5dsDefaultTestspec
"""
if 'name' not in testspec or 'commands' not in testspec:
sys.exit(1)
# Merge user-specified arguments with default test specification
defaultTestspec = a5dsDefaultTestspec
defaultTestspec.update(testspec)
return defaultTestspec
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