class Spike(object):
def __init__(self, target, halted=False, timeout=None, with_jtag_gdb=True,
- isa=None):
+ isa=None, progbufsize=None):
"""Launch spike. Return tuple of its process and the port it's running
on."""
self.process = None
self.isa = isa
+ self.progbufsize = progbufsize
if target.harts:
harts = target.harts
isa = "RV%dG" % harts[0].xlen
cmd += ["--isa", isa]
+ cmd += ["--debug-auth"]
+
+ if not self.progbufsize is None:
+ cmd += ["--progsize", str(self.progbufsize)]
+ cmd += ["--debug-sba", "32"]
assert len(set(t.ram for t in harts)) == 1, \
"All spike harts must have the same RAM layout"
def __del__(self):
try:
- self.process.kill()
+ self.process.terminate()
+ start = time.time()
+ while time.time() < start + 10000:
+ if self.process.poll():
+ break
+ else:
+ self.process.kill()
self.process.wait()
except (OSError, AttributeError):
pass
h = self.harts[hart.id]
self.select_child(h['child'])
if not h['solo']:
- output = self.command("thread %s" % h['thread'].id, timeout=10)
+ output = self.command("thread %s" % h['thread'].id, ops=5)
assert "Unknown" not in output
def push_state(self):
"""Wait for prompt."""
self.active_child.expect(r"\(gdb\)")
- def command(self, command, timeout=6000):
- """timeout is in seconds"""
+ def command(self, command, ops=1):
+ """ops is the estimated number of operations gdb will have to perform
+ to perform this command. It is used to compute a timeout based on
+ self.timeout."""
+ timeout = ops * self.timeout
self.active_child.sendline(command)
self.active_child.expect("\n", timeout=timeout)
self.active_child.expect(r"\(gdb\)", timeout=timeout)
self.select_child(child)
self.command(command)
- def c(self, wait=True, timeout=-1, async=False):
+ def c(self, wait=True, async=False):
"""
Dumb c command.
In RTOS mode, gdb will resume all harts.
async = "&"
else:
async = ""
+ ops = 10
if wait:
- output = self.command("c%s" % async, timeout=timeout)
+ output = self.command("c%s" % async, ops=ops)
assert "Continuing" in output
return output
else:
self.active_child.sendline("c%s" % async)
- self.active_child.expect("Continuing")
+ self.active_child.expect("Continuing", timeout=ops * self.timeout)
- def c_all(self):
+ def c_all(self, wait=True):
"""
Resume every hart.
child.sendline("c")
child.expect("Continuing")
- # Now wait for them all to halt
- for child in self.children:
- child.expect(r"\(gdb\)")
+ if wait:
+ for child in self.children:
+ child.expect(r"\(gdb\)")
def interrupt(self):
self.active_child.send("\003")
self.active_child.expect(r"\(gdb\)", timeout=6000)
return self.active_child.before.strip()
+ def interrupt_all(self):
+ for child in self.children:
+ self.select_child(child)
+ self.interrupt()
+
def x(self, address, size='w'):
output = self.command("x/%s %s" % (size, address))
value = int(output.split(':')[1].strip(), 0)
value = shlex.split(output.split('=')[-1].strip())[1]
return value
+ def info_registers(self, group):
+ output = self.command("info registers %s" % group)
+ result = {}
+ for line in output.splitlines():
+ parts = line.split()
+ name = parts[0]
+ if "Could not fetch" in line:
+ result[name] = " ".join(parts[1:])
+ else:
+ result[name] = int(parts[1], 0)
+ return result
+
def stepi(self):
- output = self.command("stepi", timeout=60)
+ output = self.command("stepi", ops=10)
return output
def load(self):
- output = self.command("load", timeout=6000)
+ output = self.command("load", ops=1000)
assert "failed" not in output
assert "Transfer rate" in output
+ output = self.command("compare-sections", ops=1000)
+ assert "MIS" not in output
def b(self, location):
- output = self.command("b %s" % location)
+ output = self.command("b %s" % location, ops=5)
assert "not defined" not in output
assert "Breakpoint" in output
return output
def hbreak(self, location):
- output = self.command("hbreak %s" % location)
+ output = self.command("hbreak %s" % location, ops=5)
assert "not defined" not in output
assert "Hardware assisted breakpoint" in output
return output
def threads(self):
- output = self.command("info threads")
+ output = self.command("info threads", ops=100)
threads = []
for line in output.splitlines():
m = re.match(
self.gdb.pop_state()
def run_all_tests(module, target, parsed):
- if not os.path.exists(parsed.logs):
+ try:
os.makedirs(parsed.logs)
+ except OSError:
+ # There's a race where multiple instances of the test program might
+ # decide to create the logs directory at the same time.
+ pass
overall_start = time.time()
try:
result = instance.run()
log_fd.write("Result: %s\n" % result)
+ log_fd.write("Logfile: %s\n" % log_name)
+ log_fd.write("Reproduce: %s %s %s\n" % (sys.argv[0], parsed.target,
+ name))
finally:
sys.stdout = real_stdout
log_fd.write("Time elapsed: %.2fs\n" % (time.time() - start))
else:
print dash * length
-def print_log(path):
- header(path)
- for l in open(path, "r"):
+def print_log_handle(name, handle):
+ header(name)
+ for l in handle:
sys.stdout.write(l)
print
+def print_log(path):
+ print_log_handle(path, open(path, "r"))
+
class BaseTest(object):
compiled = {}
return result
finally:
+ # Get handles to logs before the files are deleted.
+ logs = []
for log in self.logs:
- print_log(log)
- header("End of logs")
+ logs.append((log, open(log, "r")))
+
self.classTeardown()
+ for name, handle in logs:
+ print_log_handle(name, handle)
+ header("End of logs")
if not result:
result = 'pass'
if not self.gdb:
return
self.gdb.interrupt()
- self.gdb.command("disassemble")
- self.gdb.command("info registers all", timeout=10)
+ self.gdb.command("disassemble", ops=20)
+ self.gdb.command("info registers all", ops=100)
+ self.gdb.command("flush regs")
+ self.gdb.command("info threads", ops=100)
def classTeardown(self):
del self.gdb
BaseTest.classTeardown(self)
-class GdbSingleHartTest(GdbTest):
- def classSetup(self):
- GdbTest.classSetup(self)
-
+ def parkOtherHarts(self):
+ """Park harts besides the currently selected one in loop_forever()."""
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 GdbSingleHartTest(GdbTest):
+ def classSetup(self):
+ GdbTest.classSetup(self)
+ self.parkOtherHarts()
+
class ExamineTarget(GdbTest):
def test(self):
for hart in self.target.harts:
projects / riscv-tests.git / blobdiff