def dinvalidate_test(name):
test_harness.assemble_test('dinvalidate.s')
result = test_harness.run_verilator(dump_file='obj/vmem.bin', dump_base=0x100, dump_length=4,
extra_args=['+trace=1', '+autoflushl2=1'])
# 1. Check that the proper value was read into s2
if result.find('02 deadbeef') == -1:
raise TestException('incorrect value was written back ' + result)
# 2. Read the memory dump to ensure the proper value is flushed from the L2 cache
with open('obj/vmem.bin', 'rb') as f:
val = f.read(4)
if ord(val[0]) != 0xef or ord(val[1]) != 0xbe or ord(val[2]) != 0xad or ord(val[3]) != 0xde:
raise TestException('memory contents were incorrect')
def dinvalidate_test(name):
test_harness.assemble_test('dinvalidate.s')
result = test_harness.run_verilator(dump_file='obj/vmem.bin', dump_base=0x100, dump_length=4,
extra_args=['+trace=1', '+autoflushl2=1'])
# 1. Check that the proper value was read into s2
if result.find('02 deadbeef') == -1:
raise TestException('incorrect value was written back ' + result)
# 2. Read the memory dump to ensure the proper value is flushed from the L2 cache
with open('obj/vmem.bin', 'rb') as f:
numVal = struct.unpack('<L', f.read(4))[0]
if numVal != 0xdeadbeef:
print(hex(numVal))
raise test_harness.TestException('memory contents were incorrect')
def run_cosimulation_test(source_file):
global emulator_args
global verilator_args
hexfile = test_harness.assemble_test(source_file)
p1 = subprocess.Popen(verilator_args + [ '+bin=' + hexfile ], stdout=subprocess.PIPE)
p2 = subprocess.Popen(emulator_args + [ hexfile ], stdin=p1.stdout, stdout=subprocess.PIPE)
output = ''
while True:
got = p2.stdout.read(0x1000)
if not got:
break
if verbose:
print(str(got))
else:
output += str(got)
p2.wait()
time.sleep(1) # Give verilator a chance to clean up
p1.kill() # Make sure verilator has exited
if p2.returncode != 0:
raise test_harness.TestException('FAIL: cosimulation mismatch\n' + output)
test_harness.assert_files_equal(VERILATOR_MEM_DUMP, EMULATOR_MEM_DUMP,
'final memory contents to not match')
def dinvalidate_test(name):
test_harness.assemble_test('dinvalidate.s')
result = test_harness.run_verilator(
dump_file='obj/vmem.bin',
dump_base=0x100,
dump_length=4,
extra_args=['+trace=1', '+autoflushl2=1'])
# 1. Check that the proper value was read into s2
if result.find('02 deadbeef') == -1:
raise TestException('incorrect value was written back ' + result)
# 2. Read the memory dump to ensure the proper value is flushed from the L2 cache
with open('obj/vmem.bin', 'rb') as f:
numVal = struct.unpack('<L', f.read(4))[0]
if numVal != 0xdeadbeef:
print(hex(numVal))
raise test_harness.TestException('memory contents were incorrect')
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import sys
sys.path.insert(0, '../..')
import test_harness
test_harness.assemble_test('dinvalidate.s')
result = test_harness.run_verilator(dump_file='obj/vmem.bin', dump_base=0x100, dump_length=4,
extra_args=['+regtrace=1', '+autoflushl2=1'])
# 1. Check that the proper value was read into s2
if result.find('02 deadbeef') == -1:
print 'incorrect value was written back'
sys.exit(1)
# 2. Read the memory dump to ensure the proper value is flushed from the L2 cache
with open('obj/vmem.bin', 'rb') as f:
val = f.read(4)
if ord(val[0]) != 0xef or ord(val[1]) != 0xbe or ord(val[2]) != 0xad or ord(val[3]) != 0xde:
print 'FAIL: memory contents were incorrect'
sys.exit(1)
verilator_args += [ '+randseed=' + os.environ['RANDSEED'] ] emulator_args = [ '../../bin/emulator', '-m', 'cosim', '-d', 'obj/mmem.bin,0x800000,0x400000' ] if 'EMULATOR_DEBUG_ARGS' in os.environ: emulator_args += [ os.environ['EMULATOR_DEBUG_ARGS'] ] for source_file in files: print 'testing ' + source_file, hexfile = test_harness.assemble_test(source_file) p1 = subprocess.Popen(verilator_args + [ '+bin=' + hexfile ], stdout=subprocess.PIPE) p2 = subprocess.Popen(emulator_args + [ hexfile ], stdin=p1.stdout, stdout=subprocess.PIPE) p1.stdout.close() # Allow P1 to receive SIGPIPE if p2 exits while True: got = p2.stdout.read(0x1000) if not got: break print got if not test_harness.assert_files_equal(VERILATOR_MEM_DUMP, EMULATOR_MEM_DUMP): print "FAIL: simulator final memory contents do not match" sys.exit(1) else: print 'PASS'
