+import collections
+import os
import os.path
-import pexpect
+import random
+import re
import shlex
import subprocess
+import sys
import tempfile
-import testlib
-import unittest
import time
+import traceback
+
+import pexpect
# Note that gdb comes with its own testsuite. I was unable to figure out how to
# run that testsuite against the spike simulator.
def find_file(path):
- for directory in (os.getcwd(), os.path.dirname(testlib.__file__)):
+ for directory in (os.getcwd(), os.path.dirname(__file__)):
fullpath = os.path.join(directory, path)
- if os.path.exists(fullpath):
- return fullpath
+ relpath = os.path.relpath(fullpath)
+ if len(relpath) >= len(fullpath):
+ relpath = fullpath
+ if os.path.exists(relpath):
+ return relpath
return None
-def compile(args, xlen=32):
- cc = os.path.expandvars("$RISCV/bin/riscv%d-unknown-elf-gcc" % xlen)
+def compile(args, xlen=32): # pylint: disable=redefined-builtin
+ cc = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
cmd = [cc, "-g"]
+ if xlen == 32:
+ cmd.append("-march=rv32imac")
+ cmd.append("-mabi=ilp32")
+ else:
+ cmd.append("-march=rv64imac")
+ cmd.append("-mabi=lp64")
for arg in args:
found = find_file(arg)
if found:
cmd.append(found)
else:
cmd.append(arg)
- cmd = " ".join(cmd)
- result = os.system(cmd)
- assert result == 0, "%r failed" % cmd
-
-def unused_port():
- # http://stackoverflow.com/questions/2838244/get-open-tcp-port-in-python/2838309#2838309
- import socket
- s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
- s.bind(("",0))
- port = s.getsockname()[1]
- s.close()
- return port
+ header("Compile")
+ print "+", " ".join(cmd)
+ process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE)
+ stdout, stderr = process.communicate()
+ if process.returncode:
+ print stdout,
+ print stderr,
+ header("")
+ raise Exception("Compile failed!")
class Spike(object):
- def __init__(self, cmd, binary=None, halted=False, with_gdb=True, timeout=None,
- xlen=64):
- """Launch spike. Return tuple of its process and the port it's running on."""
- if cmd:
- cmd = shlex.split(cmd)
+ def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True):
+ """Launch spike. Return tuple of its process and the port it's running
+ on."""
+ self.process = None
+
+ if target.harts:
+ harts = target.harts
else:
- cmd = ["spike"]
- if (xlen == 32):
- cmd += ["--isa", "RV32"]
+ harts = [target]
+
+ cmd = self.command(target, harts, halted, timeout, with_jtag_gdb)
+ self.infinite_loop = target.compile(harts[0],
+ "programs/checksum.c", "programs/tiny-malloc.c",
+ "programs/infinite_loop.S", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
+ cmd.append(self.infinite_loop)
+ self.logfile = tempfile.NamedTemporaryFile(prefix="spike-",
+ suffix=".log")
+ self.logname = self.logfile.name
+ self.logfile.write("+ %s\n" % " ".join(cmd))
+ self.logfile.flush()
+ self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+ stdout=self.logfile, stderr=self.logfile)
+
+ if with_jtag_gdb:
+ self.port = None
+ for _ in range(30):
+ m = re.search(r"Listening for remote bitbang connection on "
+ r"port (\d+).", open(self.logname).read())
+ if m:
+ self.port = int(m.group(1))
+ os.environ['REMOTE_BITBANG_PORT'] = m.group(1)
+ break
+ time.sleep(0.11)
+ if not self.port:
+ print_log(self.logname)
+ raise Exception("Didn't get spike message about bitbang "
+ "connection")
+
+ def command(self, target, harts, halted, timeout, with_jtag_gdb):
+ # pylint: disable=no-self-use
+ if target.sim_cmd:
+ cmd = shlex.split(target.sim_cmd)
+ else:
+ spike = os.path.expandvars("$RISCV/bin/spike")
+ cmd = [spike]
+
+ cmd += ["-p%d" % len(harts)]
+
+ assert len(set(t.xlen for t in harts)) == 1, \
+ "All spike harts must have the same XLEN"
+
+ if harts[0].xlen == 32:
+ cmd += ["--isa", "RV32G"]
+ else:
+ cmd += ["--isa", "RV64G"]
+
+ assert len(set(t.ram for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ assert len(set(t.ram_size for t in harts)) == 1, \
+ "All spike harts must have the same RAM layout"
+ cmd += ["-m0x%x:0x%x" % (harts[0].ram, harts[0].ram_size)]
if timeout:
cmd = ["timeout", str(timeout)] + cmd
if halted:
cmd.append('-H')
- if with_gdb:
- self.port = unused_port()
- cmd += ['--gdb-port', str(self.port)]
- cmd.append('pk')
- if binary:
- cmd.append(binary)
- logfile = open("spike.log", "w")
- logfile.write("+ %s\n" % " ".join(cmd))
- logfile.flush()
- self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
- stderr=logfile)
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
+
+ return cmd
def __del__(self):
- try:
- self.process.kill()
- self.process.wait()
- except OSError:
- pass
+ if self.process:
+ try:
+ self.process.kill()
+ self.process.wait()
+ except OSError:
+ pass
def wait(self, *args, **kwargs):
return self.process.wait(*args, **kwargs)
class VcsSim(object):
- def __init__(self, simv=None, debug=False):
- if simv:
- cmd = shlex.split(simv)
+ logname = "simv.log"
+
+ def __init__(self, sim_cmd=None, debug=False):
+ if sim_cmd:
+ cmd = shlex.split(sim_cmd)
else:
- cmd = ["simv"]
+ cmd = ["simv"]
cmd += ["+jtag_vpi_enable"]
if debug:
cmd[0] = cmd[0] + "-debug"
cmd += ["+vcdplusfile=output/gdbserver.vpd"]
- logfile = open("simv.log", "w")
+ logfile = open(self.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
- listenfile = open("simv.log", "r")
- listenfile.seek(0,2)
- self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
- stderr=logfile)
+ listenfile = open(self.logname, "r")
+ listenfile.seek(0, 2)
+ self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+ stdout=logfile, stderr=logfile)
done = False
- while (not done):
+ while not done:
+ # Fail if VCS exits early
+ exit_code = self.process.poll()
+ if exit_code is not None:
+ raise RuntimeError('VCS simulator exited early with status %d'
+ % exit_code)
+
line = listenfile.readline()
- if (not line):
+ if not line:
time.sleep(1)
- if ("Listening on port 5555" in line):
+ match = re.match(r"^Listening on port (\d+)$", line)
+ if match:
done = True
-
+ self.port = int(match.group(1))
+ os.environ['JTAG_VPI_PORT'] = str(self.port)
+
def __del__(self):
- print "DELETE called for VcsSim"
try:
self.process.kill()
self.process.wait()
except OSError:
pass
-
class Openocd(object):
- def __init__(self, cmd=None, config=None, debug=False, keepAlive=None):
+ logfile = tempfile.NamedTemporaryFile(prefix='openocd', suffix='.log')
+ logname = logfile.name
+ print "OpenOCD Temporary Log File: %s" % logname
- # keep handles to other processes -- don't let them be
- # garbage collected yet.
+ def __init__(self, server_cmd=None, config=None, debug=False, timeout=60):
+ self.timeout = timeout
- self.keepAlive = keepAlive
- if cmd:
- cmd = shlex.split(cmd)
+ if server_cmd:
+ cmd = shlex.split(server_cmd)
else:
- cmd = ["openocd"]
+ openocd = os.path.expandvars("$RISCV/bin/openocd")
+ cmd = [openocd]
+ if debug:
+ cmd.append("-d")
+
+ # This command needs to come before any config scripts on the command
+ # line, since they are executed in order.
+ cmd += [
+ # Tell OpenOCD to bind gdb to an unused, ephemeral port.
+ "--command",
+ "gdb_port 0",
+ # Disable tcl and telnet servers, since they are unused and because
+ # the port numbers will conflict if multiple OpenOCD processes are
+ # running on the same server.
+ "--command",
+ "tcl_port disabled",
+ "--command",
+ "telnet_port disabled",
+ ]
+
if config:
- cmd += ["-f", find_file(config)]
+ f = find_file(config)
+ if f is None:
+ print "Unable to read file " + config
+ exit(1)
+
+ cmd += ["-f", f]
if debug:
cmd.append("-d")
- logfile = open("openocd.log", "w")
+
+ logfile = open(Openocd.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
- self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
- stderr=logfile)
- # TODO: Pick a random port
- self.port = 3333
+ logfile.flush()
+
+ self.gdb_ports = []
+ self.process = self.start(cmd, logfile)
+
+ def start(self, cmd, logfile):
+ process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
+ stdout=logfile, stderr=logfile)
+
+ try:
+ # Wait for OpenOCD to have made it through riscv_examine(). When
+ # using OpenOCD to communicate with a simulator this may take a
+ # long time, and gdb will time out when trying to connect if we
+ # attempt too early.
+ start = time.time()
+ messaged = False
+ fd = open(Openocd.logname, "r")
+ while True:
+ line = fd.readline()
+ if not line:
+ if not process.poll() is None:
+ raise Exception("OpenOCD exited early.")
+ time.sleep(0.1)
+ continue
+
+ m = re.search(r"Listening on port (\d+) for gdb connections",
+ line)
+ if m:
+ self.gdb_ports.append(int(m.group(1)))
+
+ if "telnet server disabled" in line:
+ return process
+
+ if not messaged and time.time() - start > 1:
+ messaged = True
+ print "Waiting for OpenOCD to start..."
+ if (time.time() - start) > self.timeout:
+ raise Exception("Timed out waiting for OpenOCD to "
+ "listen for gdb")
+
+ except Exception:
+ print_log(Openocd.logname)
+ raise
def __del__(self):
try:
self.process.kill()
self.process.wait()
- except OSError:
+ except (OSError, AttributeError):
pass
+class OpenocdCli(object):
+ def __init__(self, port=4444):
+ self.child = pexpect.spawn(
+ "sh -c 'telnet localhost %d | tee openocd-cli.log'" % port)
+ self.child.expect("> ")
+
+ def command(self, cmd):
+ self.child.sendline(cmd)
+ self.child.expect(cmd)
+ self.child.expect("\n")
+ self.child.expect("> ")
+ return self.child.before.strip("\t\r\n \0")
+
+ def reg(self, reg=''):
+ output = self.command("reg %s" % reg)
+ matches = re.findall(r"(\w+) \(/\d+\): (0x[0-9A-F]+)", output)
+ values = {r: int(v, 0) for r, v in matches}
+ if reg:
+ return values[reg]
+ return values
+
+ def load_image(self, image):
+ output = self.command("load_image %s" % image)
+ if 'invalid ELF file, only 32bits files are supported' in output:
+ raise TestNotApplicable(output)
+
+class CannotAccess(Exception):
+ def __init__(self, address):
+ Exception.__init__(self)
+ self.address = address
+
+Thread = collections.namedtuple('Thread', ('id', 'description', 'target_id',
+ 'name', 'frame'))
+
class Gdb(object):
- def __init__(self,
- cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
- self.child = pexpect.spawn(cmd)
- self.child.logfile = file("gdb.log", "w")
- self.child.logfile.write("+ %s\n" % cmd)
- self.wait()
- self.command("set confirm off")
- self.command("set width 0")
- self.command("set height 0")
- # Force consistency.
- self.command("set print entry-values no")
+ """A single gdb class which can interact with one or more gdb instances."""
+
+ # pylint: disable=too-many-public-methods
+
+ def __init__(self, ports,
+ cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb"),
+ binary=None):
+ assert ports
+
+ self.stack = []
+
+ self.logfiles = []
+ self.children = []
+ for port in ports:
+ logfile = tempfile.NamedTemporaryFile(prefix="gdb@%d-" % port,
+ suffix=".log")
+ self.logfiles.append(logfile)
+ child = pexpect.spawn(cmd)
+ child.logfile = logfile
+ child.logfile.write("+ %s\n" % cmd)
+ self.children.append(child)
+ self.active_child = self.children[0]
+
+ self.harts = {}
+ for port, child in zip(ports, self.children):
+ self.select_child(child)
+ self.wait()
+ self.command("set confirm off")
+ self.command("set width 0")
+ self.command("set height 0")
+ # Force consistency.
+ self.command("set print entry-values no")
+ self.command("target extended-remote localhost:%d" % port)
+ if binary:
+ self.command("file %s" % binary)
+ threads = self.threads()
+ for t in threads:
+ hartid = None
+ if t.name:
+ m = re.search(r"Hart (\d+)", t.name)
+ if m:
+ hartid = int(m.group(1))
+ if hartid is None:
+ if self.harts:
+ hartid = max(self.harts) + 1
+ else:
+ hartid = 0
+ self.harts[hartid] = (child, t)
+
+ def __del__(self):
+ for child in self.children:
+ del child
+
+ def lognames(self):
+ return [logfile.name for logfile in self.logfiles]
+
+ def select_child(self, child):
+ self.active_child = child
+
+ def select_hart(self, hart):
+ child, thread = self.harts[hart.id]
+ self.select_child(child)
+ output = self.command("thread %s" % thread.id)
+ assert "Unknown" not in output
+
+ def push_state(self):
+ self.stack.append({
+ 'active_child': self.active_child
+ })
+
+ def pop_state(self):
+ state = self.stack.pop()
+ self.active_child = state['active_child']
def wait(self):
"""Wait for prompt."""
- self.child.expect("\(gdb\)")
+ self.active_child.expect(r"\(gdb\)")
- def command(self, command, timeout=-1):
- self.child.sendline(command)
- self.child.expect("\n", timeout=timeout)
- self.child.expect("\(gdb\)", timeout=timeout)
- return self.child.before.strip()
+ def command(self, command, timeout=6000):
+ """timeout is in seconds"""
+ self.active_child.sendline(command)
+ self.active_child.expect("\n", timeout=timeout)
+ self.active_child.expect(r"\(gdb\)", timeout=timeout)
+ return self.active_child.before.strip()
- def c(self, wait=True):
+ def global_command(self, command):
+ """Execute this command on every gdb that we control."""
+ with PrivateState(self):
+ for child in self.children:
+ self.select_child(child)
+ self.command(command)
+
+ def c(self, wait=True, timeout=-1, async=False):
+ """
+ Dumb c command.
+ In RTOS mode, gdb will resume all harts.
+ In multi-gdb mode, this command will just go to the current gdb, so
+ will only resume one hart.
+ """
+ if async:
+ async = "&"
+ else:
+ async = ""
if wait:
- output = self.command("c")
+ output = self.command("c%s" % async, timeout=timeout)
assert "Continuing" in output
return output
else:
- self.child.sendline("c")
- self.child.expect("Continuing")
+ self.active_child.sendline("c%s" % async)
+ self.active_child.expect("Continuing")
+
+ def c_all(self):
+ """
+ Resume every hart.
+
+ This function works fine when using multiple gdb sessions, but the
+ caller must be careful when using it nonetheless. gdb's behavior is to
+ not set breakpoints until just before the hart is resumed, and then
+ clears them as soon as the hart halts. That means that you can't set
+ one software breakpoint, and expect multiple harts to hit it. It's
+ possible that the first hart completes set/run/halt/clear before the
+ second hart even gets to resume, so it will never hit the breakpoint.
+ """
+ with PrivateState(self):
+ for child in self.children:
+ child.sendline("c")
+ child.expect("Continuing")
+
+ # Now wait for them all to halt
+ for child in self.children:
+ child.expect(r"\(gdb\)")
def interrupt(self):
- self.child.send("\003");
- self.child.expect("\(gdb\)")
- return self.child.before.strip()
+ self.active_child.send("\003")
+ self.active_child.expect(r"\(gdb\)", timeout=6000)
+ return self.active_child.before.strip()
def x(self, address, size='w'):
output = self.command("x/%s %s" % (size, address))
value = int(output.split(':')[1].strip(), 0)
return value
- def p(self, obj):
- output = self.command("p/x %s" % obj)
- value = int(output.split('=')[-1].strip(), 0)
+ def p_raw(self, obj):
+ output = self.command("p %s" % obj)
+ m = re.search("Cannot access memory at address (0x[0-9a-f]+)", output)
+ if m:
+ raise CannotAccess(int(m.group(1), 0))
+ return output.split('=')[-1].strip()
+
+ def parse_string(self, text):
+ text = text.strip()
+ if text.startswith("{") and text.endswith("}"):
+ inner = text[1:-1]
+ return [self.parse_string(t) for t in inner.split(", ")]
+ elif text.startswith('"') and text.endswith('"'):
+ return text[1:-1]
+ else:
+ return int(text, 0)
+
+ def p(self, obj, fmt="/x"):
+ output = self.command("p%s %s" % (fmt, obj))
+ m = re.search("Cannot access memory at address (0x[0-9a-f]+)", output)
+ if m:
+ raise CannotAccess(int(m.group(1), 0))
+ rhs = output.split('=')[-1]
+ return self.parse_string(rhs)
+
+ def p_string(self, obj):
+ output = self.command("p %s" % obj)
+ value = shlex.split(output.split('=')[-1].strip())[1]
return value
def stepi(self):
- output = self.command("stepi")
- assert "Cannot" not in output
+ output = self.command("stepi", timeout=60)
return output
def load(self):
- output = self.command("load", timeout=60)
+ output = self.command("load", timeout=6000)
assert "failed" not in output
assert "Transfer rate" in output
assert "not defined" not in output
assert "Hardware assisted breakpoint" in output
return output
+
+ def threads(self):
+ output = self.command("info threads")
+ threads = []
+ for line in output.splitlines():
+ m = re.match(
+ r"[\s\*]*(\d+)\s*"
+ r"(Remote target|Thread (\d+)\s*\(Name: ([^\)]+))"
+ r"\s*(.*)", line)
+ if m:
+ threads.append(Thread(*m.groups()))
+ assert threads
+ #>>>if not threads:
+ #>>> threads.append(Thread('1', '1', 'Default', '???'))
+ return threads
+
+ def thread(self, thread):
+ return self.command("thread %s" % thread.id)
+
+ def where(self):
+ return self.command("where 1")
+
+class PrivateState(object):
+ def __init__(self, gdb):
+ self.gdb = gdb
+
+ def __enter__(self):
+ self.gdb.push_state()
+
+ def __exit__(self, _type, _value, _traceback):
+ self.gdb.pop_state()
+
+def run_all_tests(module, target, parsed):
+ if not os.path.exists(parsed.logs):
+ os.makedirs(parsed.logs)
+
+ overall_start = time.time()
+
+ global gdb_cmd # pylint: disable=global-statement
+ gdb_cmd = parsed.gdb
+
+ todo = []
+ examine_added = False
+ for hart in target.harts:
+ if parsed.misaval:
+ hart.misa = int(parsed.misaval, 16)
+ print "Using $misa from command line: 0x%x" % hart.misa
+ elif hart.misa:
+ print "Using $misa from hart definition: 0x%x" % hart.misa
+ elif not examine_added:
+ todo.append(("ExamineTarget", ExamineTarget, None))
+ examine_added = True
+
+ for name in dir(module):
+ definition = getattr(module, name)
+ if isinstance(definition, type) and hasattr(definition, 'test') and \
+ (not parsed.test or any(test in name for test in parsed.test)):
+ todo.append((name, definition, None))
+
+ results, count = run_tests(parsed, target, todo)
+
+ header("ran %d tests in %.0fs" % (count, time.time() - overall_start),
+ dash=':')
+
+ return print_results(results)
+
+good_results = set(('pass', 'not_applicable'))
+def run_tests(parsed, target, todo):
+ results = {}
+ count = 0
+
+ for name, definition, hart in todo:
+ log_name = os.path.join(parsed.logs, "%s-%s-%s.log" %
+ (time.strftime("%Y%m%d-%H%M%S"), type(target).__name__, name))
+ log_fd = open(log_name, 'w')
+ print "[%s] Starting > %s" % (name, log_name)
+ instance = definition(target, hart)
+ sys.stdout.flush()
+ log_fd.write("Test: %s\n" % name)
+ log_fd.write("Target: %s\n" % type(target).__name__)
+ start = time.time()
+ real_stdout = sys.stdout
+ sys.stdout = log_fd
+ try:
+ result = instance.run(real_stdout)
+ log_fd.write("Result: %s\n" % result)
+ finally:
+ sys.stdout = real_stdout
+ log_fd.write("Time elapsed: %.2fs\n" % (time.time() - start))
+ print "[%s] %s in %.2fs" % (name, result, time.time() - start)
+ if result not in good_results and parsed.print_failures:
+ sys.stdout.write(open(log_name).read())
+ sys.stdout.flush()
+ results.setdefault(result, []).append((name, log_name))
+ count += 1
+ if result not in good_results and parsed.fail_fast:
+ break
+
+ return results, count
+
+def print_results(results):
+ result = 0
+ for key, value in results.iteritems():
+ print "%d tests returned %s" % (len(value), key)
+ if key not in good_results:
+ result = 1
+ for name, log_name in value:
+ print " %s > %s" % (name, log_name)
+
+ return result
+
+def add_test_run_options(parser):
+ parser.add_argument("--logs", default="logs",
+ help="Store logs in the specified directory.")
+ parser.add_argument("--fail-fast", "-f", action="store_true",
+ help="Exit as soon as any test fails.")
+ parser.add_argument("--print-failures", action="store_true",
+ help="When a test fails, print the log file to stdout.")
+ parser.add_argument("test", nargs='*',
+ help="Run only tests that are named here.")
+ parser.add_argument("--gdb",
+ help="The command to use to start gdb.")
+ parser.add_argument("--misaval",
+ help="Don't run ExamineTarget, just assume the misa value which is "
+ "specified.")
+
+def header(title, dash='-', length=78):
+ if title:
+ dashes = dash * (length - 4 - len(title))
+ before = dashes[:len(dashes)/2]
+ after = dashes[len(dashes)/2:]
+ print "%s[ %s ]%s" % (before, title, after)
+ else:
+ print dash * length
+
+def print_log(path):
+ header(path)
+ for l in open(path, "r"):
+ sys.stdout.write(l)
+ print
+
+class BaseTest(object):
+ compiled = {}
+
+ def __init__(self, target, hart=None):
+ self.target = target
+ if hart:
+ self.hart = hart
+ else:
+ self.hart = random.choice(target.harts)
+ self.hart = target.harts[-1] #<<<
+ self.server = None
+ self.target_process = None
+ self.binary = None
+ self.start = 0
+ self.logs = []
+
+ def early_applicable(self):
+ """Return a false value if the test has determined it cannot run
+ without ever needing to talk to the target or server."""
+ # pylint: disable=no-self-use
+ return True
+
+ def setup(self):
+ pass
+
+ def compile(self):
+ compile_args = getattr(self, 'compile_args', None)
+ if compile_args:
+ if compile_args not in BaseTest.compiled:
+ BaseTest.compiled[compile_args] = \
+ self.target.compile(self.hart, *compile_args)
+ self.binary = BaseTest.compiled.get(compile_args)
+
+ def classSetup(self):
+ self.compile()
+ self.target_process = self.target.create()
+ if self.target_process:
+ self.logs.append(self.target_process.logname)
+ try:
+ self.server = self.target.server()
+ self.logs.append(self.server.logname)
+ except Exception:
+ for log in self.logs:
+ print_log(log)
+ raise
+
+ def classTeardown(self):
+ del self.server
+ del self.target_process
+
+ def postMortem(self):
+ pass
+
+ def run(self, real_stdout):
+ """
+ If compile_args is set, compile a program and set self.binary.
+
+ Call setup().
+
+ Then call test() and return the result, displaying relevant information
+ if an exception is raised.
+ """
+
+ sys.stdout.flush()
+
+ if not self.early_applicable():
+ return "not_applicable"
+
+ self.start = time.time()
+
+ try:
+ self.classSetup()
+ real_stdout.write("[%s] Temporary logs: %s\n" % (
+ type(self).__name__, ", ".join(self.logs)))
+ self.setup()
+ result = self.test() # pylint: disable=no-member
+ except TestNotApplicable:
+ result = "not_applicable"
+ except Exception as e: # pylint: disable=broad-except
+ if isinstance(e, TestFailed):
+ result = "fail"
+ else:
+ result = "exception"
+ if isinstance(e, TestFailed):
+ header("Message")
+ print e.message
+ header("Traceback")
+ traceback.print_exc(file=sys.stdout)
+ try:
+ self.postMortem()
+ except Exception as e: # pylint: disable=broad-except
+ header("postMortem Exception")
+ print e
+ traceback.print_exc(file=sys.stdout)
+ return result
+
+ finally:
+ for log in self.logs:
+ print_log(log)
+ header("End of logs")
+ self.classTeardown()
+
+ if not result:
+ result = 'pass'
+ return result
+
+gdb_cmd = None
+class GdbTest(BaseTest):
+ def __init__(self, target, hart=None):
+ BaseTest.__init__(self, target, hart=hart)
+ self.gdb = None
+
+ def classSetup(self):
+ BaseTest.classSetup(self)
+
+ if gdb_cmd:
+ self.gdb = Gdb(self.server.gdb_ports, gdb_cmd, binary=self.binary)
+ else:
+ self.gdb = Gdb(self.server.gdb_ports, binary=self.binary)
+
+ self.logs += self.gdb.lognames()
+
+ if self.target:
+ self.gdb.global_command("set arch riscv:rv%d" % self.hart.xlen)
+ self.gdb.global_command("set remotetimeout %d" %
+ self.target.timeout_sec)
+
+ for cmd in self.target.gdb_setup:
+ self.gdb.command(cmd)
+
+ self.gdb.select_hart(self.hart)
+
+ # FIXME: OpenOCD doesn't handle PRIV now
+ #self.gdb.p("$priv=3")
+
+ def postMortem(self):
+ if not self.gdb:
+ return
+ self.gdb.interrupt()
+ self.gdb.command("info registers all", timeout=10)
+
+ def classTeardown(self):
+ del self.gdb
+ BaseTest.classTeardown(self)
+
+class GdbSingleHartTest(GdbTest):
+ def classSetup(self):
+ GdbTest.classSetup(self)
+
+ for hart in self.target.harts:
+ # Park all harts that we're not using in a safe place.
+ if hart != self.hart:
+ self.gdb.select_hart(hart)
+ self.gdb.p("$pc=loop_forever")
+ self.gdb.select_hart(self.hart)
+
+class ExamineTarget(GdbTest):
+ def test(self):
+ for hart in self.target.harts:
+ self.gdb.select_hart(hart)
+
+ hart.misa = self.gdb.p("$misa")
+
+ txt = "RV"
+ if (hart.misa >> 30) == 1:
+ txt += "32"
+ elif (hart.misa >> 62) == 2:
+ txt += "64"
+ elif (hart.misa >> 126) == 3:
+ txt += "128"
+ else:
+ raise TestFailed("Couldn't determine XLEN from $misa (0x%x)" %
+ self.hart.misa)
+
+ for i in range(26):
+ if hart.misa & (1<<i):
+ txt += chr(i + ord('A'))
+ print txt,
+
+class TestFailed(Exception):
+ def __init__(self, message):
+ Exception.__init__(self)
+ self.message = message
+
+class TestNotApplicable(Exception):
+ def __init__(self, message):
+ Exception.__init__(self)
+ self.message = message
+
+def assertEqual(a, b):
+ if a != b:
+ raise TestFailed("%r != %r" % (a, b))
+
+def assertNotEqual(a, b):
+ if a == b:
+ raise TestFailed("%r == %r" % (a, b))
+
+def assertIn(a, b):
+ if a not in b:
+ raise TestFailed("%r not in %r" % (a, b))
+
+def assertNotIn(a, b):
+ if a in b:
+ raise TestFailed("%r in %r" % (a, b))
+
+def assertGreater(a, b):
+ if not a > b:
+ raise TestFailed("%r not greater than %r" % (a, b))
+
+def assertLess(a, b):
+ if not a < b:
+ raise TestFailed("%r not less than %r" % (a, b))
+
+def assertTrue(a):
+ if not a:
+ raise TestFailed("%r is not True" % a)
+
+def assertRegexpMatches(text, regexp):
+ if not re.search(regexp, text):
+ raise TestFailed("can't find %r in %r" % (regexp, text))
projects / riscv-tests.git / blobdiff