import os.path
-import pexpect
import shlex
import subprocess
import tempfile
-import testlib
import unittest
+import time
+
+import pexpect
# Note that gdb comes with its own testsuite. I was unable to figure out how to
# run that testsuite against the spike simulator.
def find_file(path):
- for directory in (os.getcwd(), os.path.dirname(testlib.__file__)):
+ for directory in (os.getcwd(), os.path.dirname(__file__)):
fullpath = os.path.join(directory, path)
if os.path.exists(fullpath):
return fullpath
return None
-def compile(*args):
- """Compile a single .c file into a binary."""
- dst = os.path.splitext(args[0])[0]
- cc = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gcc")
- cmd = [cc, "-g", "-O", "-o", dst]
+def compile(args, xlen=32):
+ cc = os.path.expandvars("$RISCV/bin/riscv%d-unknown-elf-gcc" % xlen)
+ cmd = [cc, "-g"]
for arg in args:
found = find_file(arg)
if found:
cmd = " ".join(cmd)
result = os.system(cmd)
assert result == 0, "%r failed" % cmd
- return dst
def unused_port():
# http://stackoverflow.com/questions/2838244/get-open-tcp-port-in-python/2838309#2838309
return port
class Spike(object):
- def __init__(self, binary, halted=False, with_gdb=True, timeout=None):
+ def __init__(self, cmd, binary=None, halted=False, with_gdb=True, timeout=None,
+ xlen=64):
"""Launch spike. Return tuple of its process and the port it's running on."""
- cmd = []
+ if cmd:
+ cmd = shlex.split(cmd)
+ else:
+ cmd = ["spike"]
+ if (xlen == 32):
+ cmd += ["--isa", "RV32"]
+
if timeout:
- cmd += ["timeout", str(timeout)]
+ cmd = ["timeout", str(timeout)] + cmd
- cmd += [find_file("spike")]
if halted:
cmd.append('-H')
if with_gdb:
if binary:
cmd.append(binary)
logfile = open("spike.log", "w")
+ logfile.write("+ %s\n" % " ".join(cmd))
+ logfile.flush()
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
stderr=logfile)
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)
+ 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.write("+ %s\n" % " ".join(cmd))
+ logfile.flush()
+ listenfile = open("simv.log", "r")
+ listenfile.seek(0,2)
+ self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
+ stderr=logfile)
+ done = False
+ while (not done):
+ line = listenfile.readline()
+ if (not line):
+ time.sleep(1)
+ if ("Listening on port 5555" in line):
+ done = True
+
+ def __del__(self):
+ try:
+ self.process.kill()
+ self.process.wait()
+ except OSError:
+ pass
+
+
class Openocd(object):
- def __init__(self, cmd=None, config=None, debug=True):
+ def __init__(self, cmd=None, config=None, debug=False, otherProcess=None):
+
+ # keep handles to other processes -- don't let them be
+ # garbage collected yet.
+
+ self.otherProcess = otherProcess
if cmd:
cmd = shlex.split(cmd)
else:
if debug:
cmd.append("-d")
logfile = open("openocd.log", "w")
+ logfile.write("+ %s\n" % " ".join(cmd))
self.process = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=logfile,
stderr=logfile)
# TODO: Pick a random port
pass
class Gdb(object):
- def __init__(self):
- path = os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")
- self.child = pexpect.spawn(path)
+ def __init__(self,
+ cmd=os.path.expandvars("$RISCV/bin/riscv64-unknown-elf-gdb")):
+ self.child = pexpect.spawn(cmd)
self.child.logfile = file("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.
def c(self, wait=True):
if wait:
- return self.command("c")
+ output = self.command("c")
+ assert "Continuing" in output
+ return output
else:
self.child.sendline("c")
self.child.expect("Continuing")
def interrupt(self):
self.child.send("\003");
self.child.expect("\(gdb\)")
+ return self.child.before.strip()
def x(self, address, size='w'):
output = self.command("x/%s %s" % (size, address))
return value
def p(self, obj):
- output = self.command("p %s" % obj)
- value = int(output.split('=')[-1].strip())
+ output = self.command("p/x %s" % obj)
+ value = int(output.split('=')[-1].strip(), 0)
return value
def stepi(self):
- return self.command("stepi")
+ output = self.command("stepi")
+ assert "Cannot" not in output
+ return output
+
+ def load(self):
+ output = self.command("load", timeout=60)
+ assert "failed" not in output
+ assert "Transfer rate" in output
+
+ def b(self, location):
+ output = self.command("b %s" % location)
+ assert "not defined" not in output
+ assert "Breakpoint" in output
+ return output
+
+ def hbreak(self, location):
+ output = self.command("hbreak %s" % location)
+ assert "not defined" not in output
+ assert "Hardware assisted breakpoint" in output
+ return output
projects / riscv-tests.git / blobdiff