X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=debug%2Ftestlib.py;h=fae2132415d03514339f80ba71f645dfce7a1046;hb=cc4fb603a4c6c1c1ba92262763b68bbb91092ed3;hp=392772291f2ffa633b38b9d462dcec1005a59941;hpb=6d30dcee896fd464a2c880a3372706226eedba6a;p=riscv-tests.git diff --git a/debug/testlib.py b/debug/testlib.py index 3927722..fae2132 100644 --- a/debug/testlib.py +++ b/debug/testlib.py @@ -1,8 +1,12 @@ +import collections +import os import os.path +import random import re import shlex import subprocess import sys +import tempfile import time import traceback @@ -14,71 +18,62 @@ import pexpect def find_file(path): 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): # pylint: disable=redefined-builtin - cc = os.path.expandvars("$RISCV/bin/riscv%d-unknown-elf-gcc" % xlen) + cc = os.path.expandvars("$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) + header("Compile") + print "+", " ".join(cmd) process = subprocess.Popen(cmd, stdout=subprocess.PIPE, - stderr=subprocess.PIPE) + stderr=subprocess.PIPE) stdout, stderr = process.communicate() if process.returncode: - print - header("Compile failed") - print "+", " ".join(cmd) print stdout, print stderr, header("") raise Exception("Compile failed!") -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 - class Spike(object): - logname = "spike.log" - - def __init__(self, cmd, binary=None, halted=False, with_jtag_gdb=True, - timeout=None, xlen=64): + 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.""" - if cmd: - cmd = shlex.split(cmd) - else: - cmd = ["spike"] - if xlen == 32: - cmd += ["--isa", "RV32"] - - if timeout: - cmd = ["timeout", str(timeout)] + cmd + self.process = None - if halted: - cmd.append('-H') - if with_jtag_gdb: - cmd += ['--rbb-port', '0'] - os.environ['REMOTE_BITBANG_HOST'] = 'localhost' - cmd.append("-m32") - cmd.append('pk') - if binary: - cmd.append(binary) - logfile = open(self.logname, "w") - logfile.write("+ %s\n" % " ".join(cmd)) - logfile.flush() + if target.harts: + harts = target.harts + else: + 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=logfile, stderr=logfile) + stdout=self.logfile, stderr=self.logfile) if with_jtag_gdb: self.port = None @@ -90,38 +85,84 @@ class Spike(object): os.environ['REMOTE_BITBANG_PORT'] = m.group(1) break time.sleep(0.11) - assert self.port, "Didn't get spike message about bitbang " \ - "connection" + 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_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 += ["+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 = 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: + # 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: time.sleep(1) @@ -139,13 +180,20 @@ class VcsSim(object): pass class Openocd(object): - logname = "openocd.log" + logfile = tempfile.NamedTemporaryFile(prefix='openocd', suffix='.log') + logname = logfile.name + print "OpenOCD Temporary Log File: %s" % logname + + def __init__(self, server_cmd=None, config=None, debug=False, timeout=60): + self.timeout = timeout - def __init__(self, cmd=None, config=None, debug=False): - if cmd: - cmd = shlex.split(cmd) + if server_cmd: + cmd = shlex.split(server_cmd) else: - cmd = ["openocd", "-d"] + 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. @@ -165,7 +213,7 @@ class Openocd(object): if config: f = find_file(config) if f is None: - print("Unable to read file " + config) + print "Unable to read file " + config exit(1) cmd += ["-f", f] @@ -175,61 +223,54 @@ class Openocd(object): logfile = open(Openocd.logname, "w") logfile.write("+ %s\n" % " ".join(cmd)) logfile.flush() - self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, + + 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) - # 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 - while True: - log = open(Openocd.logname).read() - if "Examined RISCV core" in log: - break - if not self.process.poll() is None: - raise Exception( - "OpenOCD exited before completing riscv_examine()") - if not messaged and time.time() - start > 1: - messaged = True - print "Waiting for OpenOCD to examine RISCV core..." - - self.port = self._get_gdb_server_port() - - def _get_gdb_server_port(self): - """Get port that OpenOCD's gdb server is listening on.""" - MAX_ATTEMPTS = 50 - PORT_REGEX = re.compile(r'(?P\d+) \(LISTEN\)') - for _ in range(MAX_ATTEMPTS): - with open(os.devnull, 'w') as devnull: - try: - output = subprocess.check_output([ - 'lsof', - '-a', # Take the AND of the following selectors - '-p{}'.format(self.process.pid), # Filter on PID - '-iTCP', # Filter only TCP sockets - ], stderr=devnull) - except subprocess.CalledProcessError: - output = "" - matches = list(PORT_REGEX.finditer(output)) - matches = [m for m in matches - if m.group('port') not in ('6666', '4444')] - if len(matches) > 1: - print output - raise Exception( - "OpenOCD listening on multiple ports. Cannot uniquely " - "identify gdb server port.") - elif matches: - [match] = matches - return int(match.group('port')) - time.sleep(0.1) - raise Exception("Timed out waiting for gdb server to obtain port.") + 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): @@ -263,42 +304,146 @@ class CannotAccess(Exception): 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("$RISCV/bin/riscv64-unknown-elf-gdb")): - self.child = pexpect.spawn(cmd) - self.child.logfile = open("gdb.log", "w") - self.child.logfile.write("+ %s\n" % cmd) - self.wait() - self.command("set confirm off") - self.command("set width 0") - self.command("set height 0") - # Force consistency. - self.command("set print entry-values no") + """A single gdb class which can interact with one or more gdb instances.""" + + # pylint: disable=too-many-public-methods + + def __init__(self, ports, + cmd=os.path.expandvars("$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 wait(self): - """Wait for prompt.""" - self.child.expect(r"\(gdb\)") + 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 command(self, command, timeout=-1): - self.child.sendline(command) - self.child.expect("\n", timeout=timeout) - self.child.expect(r"\(gdb\)", timeout=timeout) - return self.child.before.strip() + 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 c(self, wait=True, timeout=-1): + 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.active_child.expect(r"\(gdb\)") + + 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 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", timeout=timeout) + 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(r"\(gdb\)", timeout=60) - 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)) @@ -312,13 +457,23 @@ class Gdb(object): raise CannotAccess(int(m.group(1), 0)) return output.split('=')[-1].strip() - def p(self, obj): - output = self.command("p/x %s" % obj) + 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)) - value = int(output.split('=')[-1].strip(), 0) - return value + rhs = output.split('=')[-1] + return self.parse_string(rhs) def p_string(self, obj): output = self.command("p %s" % obj) @@ -326,11 +481,11 @@ class Gdb(object): return value def stepi(self): - output = self.command("stepi") + 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 @@ -346,79 +501,156 @@ class Gdb(object): assert "Hardware assisted breakpoint" in output return output -def run_all_tests(module, target, parsed): - good_results = set(('pass', 'not_applicable')) + 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() - start = time.time() +def run_all_tests(module, target, parsed): + if not os.path.exists(parsed.logs): + os.makedirs(parsed.logs) - results = {} - count = 0 + overall_start = time.time() global gdb_cmd # pylint: disable=global-statement gdb_cmd = parsed.gdb - todo = [("ExamineTarget", ExamineTarget)] + 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 type(definition) == type and hasattr(definition, 'test') and \ + 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)) + todo.append((name, definition, None)) + + results, count = run_tests(parsed, target, todo) + + header("ran %d tests in %.0fs" % (count, time.time() - overall_start), + dash=':') - for name, definition in todo: - instance = definition(target) - result = instance.run() - results.setdefault(result, []).append(name) + 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 - header("ran %d tests in %.0fs" % (count, time.time() - start), dash=':') + 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 test in value: - print " ", test + 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='-'): +def header(title, dash='-', length=78): if title: - dashes = dash * (36 - len(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 * 40 + print dash * length def print_log(path): header(path) - lines = open(path, "r").readlines() - if len(lines) > 1000: - for l in lines[:500]: - sys.stdout.write(l) - print "..." - for l in lines[-500:]: - sys.stdout.write(l) - else: - for l in lines: - sys.stdout.write(l) + for l in open(path, "r"): + sys.stdout.write(l) + print class BaseTest(object): compiled = {} - def __init__(self, target): + 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 @@ -438,22 +670,31 @@ class BaseTest(object): compile_args = getattr(self, 'compile_args', None) if compile_args: if compile_args not in BaseTest.compiled: - # pylint: disable=star-args BaseTest.compiled[compile_args] = \ - self.target.compile(*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.target() - self.server = self.target.server() - self.logs.append(self.server.logname) + 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 run(self): + def postMortem(self): + pass + + def run(self, real_stdout): """ If compile_args is set, compile a program and set self.binary. @@ -463,18 +704,17 @@ class BaseTest(object): if an exception is raised. """ - print "Running", type(self).__name__, "...", sys.stdout.flush() if not self.early_applicable(): - print "not_applicable" return "not_applicable" self.start = time.time() - self.classSetup() - 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: @@ -484,74 +724,101 @@ class BaseTest(object): result = "fail" else: result = "exception" - print "%s in %.2fs" % (result, time.time() - self.start) - print "=" * 40 if isinstance(e, TestFailed): header("Message") print e.message header("Traceback") traceback.print_exc(file=sys.stdout) - for log in self.logs: - print_log(log) - print "/" * 40 + 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' - print "%s in %.2fs" % (result, time.time() - self.start) return result gdb_cmd = None class GdbTest(BaseTest): - def __init__(self, target): - BaseTest.__init__(self, target) + def __init__(self, target, hart=None): + BaseTest.__init__(self, target, hart=hart) self.gdb = None def classSetup(self): BaseTest.classSetup(self) - self.logs.append("gdb.log") if gdb_cmd: - self.gdb = Gdb(gdb_cmd) + self.gdb = Gdb(self.server.gdb_ports, gdb_cmd, binary=self.binary) else: - self.gdb = Gdb() + self.gdb = Gdb(self.server.gdb_ports, binary=self.binary) + + self.logs += self.gdb.lognames() - if self.binary: - self.gdb.command("file %s" % self.binary) if self.target: - self.gdb.command("set arch riscv:rv%d" % self.target.xlen) - self.gdb.command("set remotetimeout %d" % self.target.timeout_sec) - if self.server.port: - self.gdb.command( - "target extended-remote localhost:%d" % self.server.port) + 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) - self.gdb.p("$priv=3") + # 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): - self.target.misa = self.gdb.p("$misa") - - txt = "RV" - if (self.target.misa >> 30) == 1: - txt += "32" - elif (self.target.misa >> 62) == 2: - txt += "64" - elif (self.target.misa >> 126) == 3: - txt += "128" - else: - txt += "??" + for hart in self.target.harts: + self.gdb.select_hart(hart) + + hart.misa = self.gdb.p("$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 self.target.misa & (1<