class Spike(object):
logname = "spike.log"
- def __init__(self, cmd, binary=None, halted=False, with_gdb=True,
+ def __init__(self, cmd, binary=None, halted=False, with_jtag_gdb=True,
timeout=None, xlen=64):
"""Launch spike. Return tuple of its process and the port it's running
on."""
if halted:
cmd.append('-H')
- if with_gdb:
- self.port = unused_port()
- cmd += ['--gdb-port', str(self.port)]
+ if with_jtag_gdb:
+ cmd += ['--rbb-port', '0']
+ os.environ['REMOTE_BITBANG_HOST'] = 'localhost'
cmd.append("-m32")
cmd.append('pk')
if binary:
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=logfile, stderr=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)
+ assert self.port, "Didn't get spike message about bitbang " \
+ "connection"
+
def __del__(self):
try:
self.process.kill()
if cmd:
cmd = shlex.split(cmd)
else:
- cmd = ["openocd"]
- if config:
- cmd += ["-f", find_file(config)]
- if debug:
- cmd.append("-d")
+ cmd = ["openocd", "-d"]
# This command needs to come before any config scripts on the command
# line, since they are executed in order.
- cmd[1:1] = [
+ cmd += [
# Tell OpenOCD to bind gdb to an unused, ephemeral port.
"--command",
"gdb_port 0",
"telnet_port disabled",
]
+ if 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.logname, "w")
logfile.write("+ %s\n" % " ".join(cmd))
logfile.flush()
self.child.expect(r"\(gdb\)", timeout=timeout)
return self.child.before.strip()
- def c(self, wait=True):
+ def c(self, wait=True, timeout=-1):
if wait:
- output = self.command("c")
+ output = self.command("c", timeout=timeout)
assert "Continuing" in output
return output
else: