def getCPPDecoderTests(self, namespace = ''):
"""Returns the decoder tests. All the instruction patterns, including
invalid patterns, are fed to the decoder and the decoding output
checked. Random values are chosen for don't-care bits."""
import cxx_writer
import random, math
ranGen = random.SystemRandom()
allTests = []
testCount = 0
for instrId, instruction in self.instrId.items():
code = namespace + '::Decoder dec;\n'
pattern = instruction[0]
try:
pattern[0][0]
pattern = pattern[0]
except:
pass
for i in range(0, len(pattern)):
if pattern[i] == None:
if ranGen.random() > 0.5:
pattern[i] = '1'
else:
pattern[i] = '0'
else:
pattern[i] = str(pattern[i])
if instrId == -1:
expectedId = self.instrNum
else:
# Check for the presence of sub-instructions and possibly
# adapt the expected test outcome.
expectedId = None
for instr in self.instrSub[instrId]:
found = True
revInstrPattern = instr.bitstring
revInstrPattern.reverse()
for i in range(0, len(pattern)):
if revInstrPattern[i] != None and int(pattern[i]) != revInstrPattern[i]:
found = False
if found:
expectedId = instr.id
break
if expectedId == None:
expectedId = instrId
pattern.reverse()
if instrId != -1:
code += '// Checking Instruction ' + self.instrName[instrId] + '.\n'
else:
code += '// Checking Invalid Instruction.\n'
code += 'BOOST_CHECK_EQUAL(dec.decode(' + hex(int(''.join(pattern), 2)) + '), ' + str(expectedId) + ');\n'
curTest = cxx_writer.Code(code)
curTest.addInclude(['boost/test/test_tools.hpp', 'decoder.hpp'])
if instrId != -1:
testName = self.instrName[instrId] + '_' + str(testCount) + '_decode'
else:
testName = 'Invalid_' + str(testCount) + '_decode'
curTestFunction = cxx_writer.Function(testName, curTest, cxx_writer.voidType)
from procWriter import testNames
testNames.append(testName)
allTests.append(curTestFunction)
testCount += 1
return allTests
def getCPPTests(self, namespace = ''):
"""Creates the tests for the decoder; I normally create the
tests with boost_test_framework.
What I have to do is feeding all the instruction patterns
(including all the non valid ones) to the decoder and check
that they are correctly decoded. I choose random values
for the non-care bits"""
import cxx_writer
import random, math
ranGen = random.SystemRandom()
allTests = []
testCount = 0
for instrId, instruction in self.instrId.items():
code = namespace + '::Decoder dec;\n'
pattern = instruction[0]
try:
pattern[0][0]
pattern = pattern[0]
except:
pass
for i in range(0, len(pattern)):
if pattern[i] == None:
if ranGen.random() > 0.5:
pattern[i] = '1'
else:
pattern[i] = '0'
else:
pattern[i] = str(pattern[i])
if instrId == -1:
expectedId = self.instrNum
else:
# Now I have to check for the presence of a sub-instruction and, in case,
# correct the target of the test
expectedId = None
for instr in self.instrSub[instrId]:
found = True
revInstrPattern = instr.bitstring
revInstrPattern.reverse()
for i in range(0, len(pattern)):
if revInstrPattern[i] != None and int(pattern[i]) != revInstrPattern[i]:
found = False
if found:
expectedId = instr.id
break
if expectedId == None:
expectedId = instrId
pattern.reverse()
if instrId != -1:
code += '// Checking Instruction ' + self.instrName[instrId] + '\n'
else:
code += '// Checking Invalid Instruction\n'
code += 'BOOST_CHECK_EQUAL(dec.decode( ' + hex(int(''.join(pattern), 2)) + ' ), ' + str(expectedId) + ');\n'
curTest = cxx_writer.writer_code.Code(code)
curTest.addInclude(['boost/test/test_tools.hpp', 'decoder.hpp'])
if instrId != -1:
testName = self.instrName[instrId] + '_' + str(testCount) + '_decode'
else:
testName = 'Invalid_' + str(testCount) + '_decode'
curTestFunction = cxx_writer.writer_code.Function(testName, curTest, cxx_writer.writer_code.voidType)
from procWriter import testNames
testNames.append(testName)
allTests.append(curTestFunction)
testCount += 1
return allTests
def getCPPTests(self, namespace=''):
"""Creates the tests for the decoder; I normally create the
tests with boost_test_framework.
What I have to do is feeding all the instruction patterns
(including all the non valid ones) to the decoder and check
that they are correctly decoded. I choose random values
for the non-care bits"""
import cxx_writer
import random, math
ranGen = random.SystemRandom()
allTests = []
testCount = 0
for instrId, instruction in self.instrId.items():
code = namespace + '::Decoder dec;\n'
pattern = instruction[0]
try:
pattern[0][0]
pattern = pattern[0]
except:
pass
for i in range(0, len(pattern)):
if pattern[i] == None:
if ranGen.random() > 0.5:
pattern[i] = '1'
else:
pattern[i] = '0'
else:
pattern[i] = str(pattern[i])
if instrId == -1:
expectedId = self.instrNum
else:
# Now I have to check for the presence of a sub-instruction and, in case,
# correct the target of the test
expectedId = None
for instr in self.instrSub[instrId]:
found = True
revInstrPattern = instr.bitstring
revInstrPattern.reverse()
for i in range(0, len(pattern)):
if revInstrPattern[i] != None and int(
pattern[i]) != revInstrPattern[i]:
found = False
if found:
expectedId = instr.id
break
if expectedId == None:
expectedId = instrId
pattern.reverse()
if instrId != -1:
code += '// Checking Instruction ' + self.instrName[
instrId] + '\n'
else:
code += '// Checking Invalid Instruction\n'
code += 'BOOST_CHECK_EQUAL(dec.decode( ' + hex(
int(''.join(pattern), 2)) + ' ), ' + str(expectedId) + ');\n'
curTest = cxx_writer.writer_code.Code(code)
curTest.addInclude(['boost/test/test_tools.hpp', 'decoder.hpp'])
if instrId != -1:
testName = self.instrName[instrId] + '_' + str(
testCount) + '_decode'
else:
testName = 'Invalid_' + str(testCount) + '_decode'
curTestFunction = cxx_writer.writer_code.Function(
testName, curTest, cxx_writer.writer_code.voidType)
from procWriter import testNames
testNames.append(testName)
allTests.append(curTestFunction)
testCount += 1
return allTests
