def setUp(self):
self.binary = testlib.compile("debug.c")
self.spike = testlib.Spike(self.binary, halted=False)
self.gdb = testlib.Gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" %
self.spike.port)
def setUp(self):
length = 2**20
fd = file("data.c", "w")
fd.write("#include <stdint.h>\n")
fd.write("uint32_t length = %d;\n" % length)
fd.write("uint8_t d[%d] = {\n" % length)
self.crc = 0
for i in range(length / 16):
fd.write(" /* 0x%04x */ " % (i * 16))
for _ in range(16):
value = random.randrange(1 << 8)
fd.write("%d, " % value)
self.crc = binascii.crc32("%c" % value, self.crc)
fd.write("\n")
fd.write("};\n")
fd.write("uint8_t *data = &d[0];\n")
fd.close()
self.binary = testlib.compile("checksum.c", "data.c", "start.S",
"-mcmodel=medany", "-T",
"standalone.lds", "-nostartfiles")
self.spike = testlib.Spike(None, halted=True)
self.gdb = testlib.Gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" %
self.spike.port)
def startGdb(self,
port=None,
binary=None,
server_cmd=None,
config=None,
riscv_gdb_cmd=None,
verbose=False):
"""Start a gdb session with the riscv core on the GFE
Args:
port (int, optional): TCP port for GDB connection over openocd
server_cmd (string, optional): The base openocd command to run
config (string, optional): Path to the openocd debugger
configuration riscv_gdb_cmd (string, optional): Base gdb
command for the riscv gdb program
"""
if not server_cmd:
server_cmd = self.openocd_command
if not config:
config = self.openocd_cfg_path
if not riscv_gdb_cmd:
riscv_gdb_cmd = self.gdb_path
self.openocd_session = testlib.Openocd(server_cmd=server_cmd,
config=config,
debug=False)
self.gdb_session = testlib.Gdb(cmd=riscv_gdb_cmd,
ports=self.openocd_session.gdb_ports,
binary=binary,
xlen=self.xlen)
self.gdb_session.connect()
def setUp(self):
self.binary = testlib.compile("mprv.S", "-T", "standalone.lds",
"-nostartfiles")
self.spike = testlib.Spike(None, halted=True)
self.gdb = testlib.Gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" %
self.spike.port)
self.gdb.command("load")
def gdb(
target=None,
port=None,
binary=None
):
g = None
if parsed.gdb:
g = testlib.Gdb(parsed.gdb)
else:
g = testlib.Gdb()
if binary:
g.command("file %s" % binary)
if target:
g.command("set arch riscv:rv%d" % target.xlen)
g.command("set remotetimeout %d" % target.timeout_sec)
if port:
g.command("target extended-remote localhost:%d" % port)
g.p("$priv=3")
return g
def gdb():
if parsed.gdb:
return testlib.Gdb(parsed.gdb)
else:
return testlib.Gdb()