MSTATUS32_SD = 0x80000000
MSTATUS64_SD = 0x8000000000000000
+def gdb():
+ if parsed.gdb:
+ return testlib.Gdb(parsed.gdb)
+ else:
+ return testlib.Gdb()
+
def ihex_line(address, record_type, data):
assert len(data) < 128
line = ":%02X%04X%02X" % (len(data), address, record_type)
data += "%c" % int(line[8+2*i:10+2*i], 16)
return record_type, address, data
+def readable_binary_string(s):
+ return "".join("%02x" % ord(c) for c in s)
+
class DeleteServer(unittest.TestCase):
def tearDown(self):
del self.server
class SimpleRegisterTest(DeleteServer):
def setUp(self):
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
# For now gdb has to be told what the architecture is when it's not
# given an ELF file.
self.gdb.command("set arch riscv:rv%d" % target.xlen)
class SimpleMemoryTest(DeleteServer):
def setUp(self):
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("set arch riscv:rv%d" % target.xlen)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
def test_block(self):
length = 1024
line_length = 16
- fd = file("write.ihex", "w")
+ a = tempfile.NamedTemporaryFile(suffix=".ihex")
data = ""
for i in range(length / line_length):
line_data = "".join(["%c" % random.randrange(256) for _ in range(line_length)])
data += line_data
- fd.write(ihex_line(i * line_length, 0, line_data))
- fd.close()
+ a.write(ihex_line(i * line_length, 0, line_data))
+ a.flush()
- self.gdb.command("restore write.ihex 0x%x" % target.ram)
+ self.gdb.command("restore %s 0x%x" % (a.name, target.ram))
for offset in range(0, length, 19*4) + [length-4]:
value = self.gdb.p("*((int*)0x%x)" % (target.ram + offset))
written = ord(data[offset]) | \
(ord(data[offset+3]) << 24)
self.assertEqual(value, written)
- self.gdb.command("dump ihex memory read.ihex 0x%x 0x%x" % (target.ram,
+ b = tempfile.NamedTemporaryFile(suffix=".ihex")
+ self.gdb.command("dump ihex memory %s 0x%x 0x%x" % (b.name, target.ram,
target.ram + length))
- for line in file("read.ihex"):
+ for line in b:
record_type, address, line_data = ihex_parse(line)
if (record_type == 0):
- self.assertEqual(line_data, data[address:address+len(line_data)])
+ self.assertEqual(readable_binary_string(line_data),
+ readable_binary_string(data[address:address+len(line_data)]))
class InstantHaltTest(DeleteServer):
def setUp(self):
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("set arch riscv:rv%d" % target.xlen)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
self.binary = target.compile("programs/debug.c", "programs/checksum.c",
"programs/tiny-malloc.c", "-DDEFINE_MALLOC", "-DDEFINE_FREE")
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
self.gdb.load()
def setUp(self):
self.binary = target.compile("programs/step.S")
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
self.gdb.load()
def setUp(self):
self.binary = target.compile("programs/regs.S")
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
self.gdb.load()
self.binary = target.compile(download_c.name, "programs/checksum.c")
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
def setUp(self):
self.binary = target.compile("programs/mprv.S")
self.server = target.server()
- self.gdb = testlib.Gdb()
+ self.gdb = gdb()
self.gdb.command("file %s" % self.binary)
self.gdb.command("target extended-remote localhost:%d" % self.server.port)
self.gdb.load()
output = self.gdb.command("p/x *(int*)(((char*)&data)-0x80000000)")
self.assertIn("0xbead", output)
+class PrivTest(DeleteServer):
+ def setUp(self):
+ self.binary = target.compile("programs/priv.S")
+ self.server = target.server()
+ self.gdb = gdb()
+ self.gdb.command("file %s" % self.binary)
+ self.gdb.command("target extended-remote localhost:%d" % self.server.port)
+ self.gdb.load()
+
+ misa = self.gdb.p("$misa")
+ self.supported = set()
+ if misa & (1<<20):
+ self.supported.add(0)
+ if misa & (1<<18):
+ self.supported.add(1)
+ if misa & (1<<7):
+ self.supported.add(2)
+ self.supported.add(3)
+
+ def test_rw(self):
+ """Test reading/writing priv."""
+ for privilege in range(4):
+ self.gdb.p("$priv=%d" % privilege)
+ self.gdb.stepi()
+ actual = self.gdb.p("$priv")
+ self.assertIn(actual, self.supported)
+ if privilege in self.supported:
+ self.assertEqual(actual, privilege)
+
+ def test_change(self):
+ """Test that the core's privilege level actually changes."""
+
+ if 0 not in self.supported:
+ # TODO: return not applicable
+ return
+
+ self.gdb.b("main")
+ self.gdb.c()
+
+ # Machine mode
+ self.gdb.p("$priv=3")
+ main = self.gdb.p("$pc")
+ self.gdb.stepi()
+ self.assertEqual("%x" % self.gdb.p("$pc"), "%x" % (main+4))
+
+ # User mode
+ self.gdb.p("$priv=0")
+ self.gdb.stepi()
+ # Should have taken an exception, so be nowhere near main.
+ pc = self.gdb.p("$pc")
+ self.assertTrue(pc < main or pc > main + 0x100)
+
class Target(object):
directory = None
xlen=self.xlen)
return binary_name
-class Spike64Target(Target):
- name = "spike"
- xlen = 64
+class SpikeTarget(Target):
+ directory = "spike"
ram = 0x80010000
ram_size = 5 * 1024 * 1024
instruction_hardware_breakpoint_count = 0
reset_vector = 0x1000
+class Spike64Target(SpikeTarget):
+ name = "spike64"
+ xlen = 64
+
def server(self):
return testlib.Spike(parsed.cmd, halted=True)
-class Spike32Target(Target):
+class Spike32Target(SpikeTarget):
name = "spike32"
- directory = "spike"
xlen = 32
- ram = 0x80010000
- ram_size = 5 * 1024 * 1024
- instruction_hardware_breakpoint_count = 0
- reset_vector = 0x1000
def server(self):
return testlib.Spike(parsed.cmd, halted=True, xlen=32)
-class MicroSemiTarget(Target):
- name = "m2gl_m2s"
+class FreedomE300Target(Target):
+ name = "freedom-e300"
xlen = 32
ram = 0x80000000
ram_size = 16 * 1024
targets = [
Spike32Target,
Spike64Target,
- MicroSemiTarget
+ FreedomE300Target
]
def main():
dest="target")
parser.add_argument("--cmd",
help="The command to use to start the debug server.")
+ parser.add_argument("--gdb",
+ help="The command to use to start gdb.")
parser.add_argument("--isolate", action="store_true",
help="Try to run in such a way that multiple instances can run at "
"the same time. This may make it harder to debug a failure if it "
projects / riscv-tests.git / blobdiff