diff options
Diffstat (limited to 'debug/testlib.py')
| -rw-r--r-- | debug/testlib.py | 143 |
1 files changed, 102 insertions, 41 deletions
diff --git a/debug/testlib.py b/debug/testlib.py index b76f320..8ac616e 100644 --- a/debug/testlib.py +++ b/debug/testlib.py @@ -17,8 +17,11 @@ 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 @@ -36,13 +39,12 @@ def compile(args, xlen=32): # pylint: disable=redefined-builtin cmd.append(found) else: cmd.append(arg) + header("Compile") + print "+", " ".join(cmd) process = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) stdout, stderr = process.communicate() if process.returncode: - print - header("Compile failed") - print "+", " ".join(cmd) print stdout, print stderr, header("") @@ -63,16 +65,34 @@ class Spike(object): 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: + harts = [target] + if target.sim_cmd: cmd = shlex.split(target.sim_cmd) else: spike = os.path.expandvars("$RISCV/bin/spike") cmd = [spike] - if target.xlen == 32: + + 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"] - cmd += ["-m0x%x:0x%x" % (target.ram, target.ram_size)] + + 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 @@ -82,7 +102,7 @@ class Spike(object): if with_jtag_gdb: cmd += ['--rbb-port', '0'] os.environ['REMOTE_BITBANG_HOST'] = 'localhost' - self.infinite_loop = target.compile( + 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) @@ -106,11 +126,12 @@ class Spike(object): "connection" 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) @@ -164,6 +185,8 @@ class Openocd(object): print "OpenOCD Temporary Log File: %s" % logname def __init__(self, server_cmd=None, config=None, debug=False, timeout=60): + self.timeout = timeout + if server_cmd: cmd = shlex.split(server_cmd) else: @@ -200,7 +223,13 @@ 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.ports = [] + self.port = None + self.process = self.start(cmd, logfile) + + def start(self, cmd, logfile): + process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile, stderr=logfile) try: @@ -215,19 +244,23 @@ class Openocd(object): m = re.search(r"Listening on port (\d+) for gdb connections", log) if m: - self.port = int(m.group(1)) + if not self.ports: + self.port = int(m.group(1)) + self.ports.append(int(m.group(1))) + + if "telnet server disabled" in log: break - if not self.process.poll() is None: + if not 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 start..." - if (time.time() - start) > timeout: + if (time.time() - start) > self.timeout: raise Exception("ERROR: Timed out waiting for OpenOCD to " "listen for gdb") - + return process except Exception: header("OpenOCD log") sys.stdout.write(log) @@ -291,6 +324,10 @@ class Gdb(object): # Force consistency. self.command("set print entry-values no") + def select_hart(self, hart): + output = self.command("thread %d" % (hart.index + 1)) + assert "Unknown" not in output + def wait(self): """Wait for prompt.""" self.child.expect(r"\(gdb\)") @@ -331,13 +368,23 @@ 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) @@ -391,19 +438,20 @@ def run_all_tests(module, target, parsed): gdb_cmd = parsed.gdb todo = [] - if parsed.misaval: - target.misa = int(parsed.misaval, 16) - print "Using $misa from command line: 0x%x" % target.misa - elif target.misa: - print "Using $misa from target definition: 0x%x" % target.misa - else: - todo.append(("ExamineTarget", ExamineTarget)) + 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 + else: + todo.append(("ExamineTarget", ExamineTarget, hart)) for name in dir(module): definition = getattr(module, name) if type(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) @@ -417,12 +465,12 @@ def run_tests(parsed, target, todo): results = {} count = 0 - for name, definition in todo: - instance = definition(target) + 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 "Running %s > %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__) @@ -491,8 +539,13 @@ def print_log(path): 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 @@ -514,7 +567,7 @@ class BaseTest(object): 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): @@ -581,8 +634,8 @@ class BaseTest(object): 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): @@ -598,15 +651,12 @@ class GdbTest(BaseTest): 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 arch riscv:rv%d" % self.hart.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) - # Select a random thread. - # TODO: Allow a command line option to force a specific thread. - thread = random.choice(self.gdb.threads()) - self.gdb.thread(thread) + self.gdb.select_hart(self.hart) for cmd in self.target.gdb_setup: self.gdb.command(cmd) @@ -618,6 +668,17 @@ class GdbTest(BaseTest): 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") |