-#!/usr/bin/python
+#!/usr/bin/env python
import os
import sys
import argparse
-import testlib
import unittest
import tempfile
import time
import random
import binascii
+import testlib
+
MSTATUS_UIE = 0x00000001
MSTATUS_SIE = 0x00000002
if parsed.gdb:
gdb = testlib.Gdb(parsed.gdb)
else:
- gdb = testlib.Gdb()
+ gdb = testlib.Gdb()
- if (binary):
- gdb.command("file %s" % self.binary)
- if (target):
+ if binary:
+ gdb.command("file %s" % binary)
+ if target:
gdb.command("set arch riscv:rv%d" % target.xlen)
gdb.command("set remotetimeout %d" % target.timeout_sec)
- if (port):
+ if port:
gdb.command("target extended-remote localhost:%d" % port)
+ gdb.p("$priv=3")
+
return gdb
def test_function_call(self):
self.gdb.b("main:start")
self.gdb.c()
- text = "Howdy, Earth!"
- gdb_length = self.gdb.p('strlen("%s")' % text)
- self.assertEqual(gdb_length, len(text))
+ self.assertEqual(self.gdb.p('fib(6)'), 8)
+ self.assertEqual(self.gdb.p('fib(7)'), 13)
self.exit()
def test_change_string(self):
def test_turbostep(self):
"""Single step a bunch of times."""
+ self.gdb.b("main:start")
+ self.gdb.c()
self.gdb.command("p i=0");
last_pc = None
advances = 0
pc = self.gdb.p("$pc")
self.assertEqual("%x" % pc, "%x" % (expected + main))
+class TriggerTest(DeleteServer):
+ def setUp(self):
+ self.binary = target.compile("programs/trigger.S")
+ self.server = target.server()
+ self.gdb = gdb(target, self.server.port, self.binary)
+ self.gdb.load()
+ self.gdb.b("_exit")
+ self.gdb.b("main")
+ self.gdb.c()
+
+ def exit(self):
+ output = self.gdb.c()
+ self.assertIn("Breakpoint", output)
+ self.assertIn("_exit", output)
+
+ def test_execute_instant(self):
+ """Test an execute breakpoint on the first instruction executed out of
+ debug mode."""
+ main = self.gdb.p("$pc")
+ self.gdb.command("hbreak *0x%x" % (main + 4))
+ self.gdb.c()
+ self.assertEqual(self.gdb.p("$pc"), main+4)
+
+ def test_load_address(self):
+ self.gdb.command("rwatch *((&data)+1)");
+ output = self.gdb.c()
+ self.assertIn("read_loop", output)
+ self.assertEqual(self.gdb.p("$a0"),
+ self.gdb.p("(&data)+1"))
+ self.exit()
+
+ def test_load_address_instant(self):
+ """Test a load address breakpoint on the first instruction executed out
+ of debug mode."""
+ self.gdb.command("b just_before_read_loop")
+ self.gdb.c()
+ read_loop = self.gdb.p("&read_loop")
+ self.gdb.command("rwatch data");
+ self.gdb.c()
+ # Accept hitting the breakpoint before or after the load instruction.
+ self.assertIn(self.gdb.p("$pc"), [read_loop, read_loop + 4])
+ self.assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
+
+ def test_store_address(self):
+ self.gdb.command("watch *((&data)+3)");
+ output = self.gdb.c()
+ self.assertIn("write_loop", output)
+ self.assertEqual(self.gdb.p("$a0"),
+ self.gdb.p("(&data)+3"))
+ self.exit()
+
+ def test_store_address_instant(self):
+ """Test a store address breakpoint on the first instruction executed out
+ of debug mode."""
+ self.gdb.command("b just_before_write_loop")
+ self.gdb.c()
+ write_loop = self.gdb.p("&write_loop")
+ self.gdb.command("watch data");
+ self.gdb.c()
+ # Accept hitting the breakpoint before or after the store instruction.
+ self.assertIn(self.gdb.p("$pc"), [write_loop, write_loop + 4])
+ self.assertEqual(self.gdb.p("$a0"), self.gdb.p("&data"))
+
+ def test_dmode(self):
+ self.gdb.command("hbreak handle_trap")
+ self.gdb.p("$pc=write_valid")
+ output = self.gdb.c()
+ self.assertIn("handle_trap", output)
+ self.assertIn("mcause=2", output)
+ self.assertIn("mepc=%d" % self.gdb.p("&write_invalid_illegal"), output)
+
class RegsTest(DeleteServer):
def setUp(self):
self.binary = target.compile("programs/regs.S")
self.gdb.p("$pc=write_regs")
for i, r in enumerate(regs):
- self.gdb.command("p $%s=%d" % (r, (0xdeadbeef<<i)+17))
- self.gdb.command("p $x1=data")
+ self.gdb.p("$%s=%d" % (r, (0xdeadbeef<<i)+17))
+ self.gdb.p("$x1=data")
self.gdb.command("b all_done")
output = self.gdb.c()
self.assertIn("Breakpoint ", output)
raise NotImplementedError
def compile(self, *sources):
- binary_name = "%s_%s" % (
+ binary_name = "%s_%s-%d" % (
self.name,
- os.path.basename(os.path.splitext(sources[0])[0]))
+ os.path.basename(os.path.splitext(sources[0])[0]),
+ self.xlen)
if parsed.isolate:
self.temporary_binary = tempfile.NamedTemporaryFile(
prefix=binary_name + "_")
directory = "spike"
ram = 0x80010000
ram_size = 5 * 1024 * 1024
- instruction_hardware_breakpoint_count = 0
+ instruction_hardware_breakpoint_count = 4
reset_vector = 0x1000
class Spike64Target(SpikeTarget):
help="The command to use to start the debug server.")
parser.add_argument("--gdb",
help="The command to use to start gdb.")
+
+ xlen_group = parser.add_mutually_exclusive_group()
+ xlen_group.add_argument("--32", action="store_const", const=32, dest="xlen",
+ help="Force the target to be 32-bit.")
+ xlen_group.add_argument("--64", action="store_const", const=64, dest="xlen",
+ help="Force the target to be 64-bit.")
+
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 "
"does occur.")
+
parser.add_argument("unittest", nargs="*")
global parsed
parsed = parser.parse_args()
global target
target = parsed.target()
+
+ if parsed.xlen:
+ target.xlen = parsed.xlen
+
unittest.main(argv=[sys.argv[0]] + parsed.unittest)
# TROUBLESHOOTING TIPS
projects / riscv-tests.git / blobdiff