def generate(self, **kargs):
thread_groups = self.queryThreadGroup()
if len(thread_groups) != 2:
self.error('Unexpected thread group count; Expected=%d, Actual=%d' % (2, len(thread_groups)))
total_thread_count = self.getThreadNumber()
for thread_group in thread_groups:
thread_constr = ConstraintSet(thread_group[2])
if thread_constr.size() != (total_thread_count // 2):
self.error('Unexpected group thread count; Expected=%d, Actual=%d' % ((total_thread_count // 2), thread_constr.size()))
for thread_id in range(total_thread_count // 2):
group_id = self.getThreadGroupId(thread_id)
if group_id != 0:
self.error('Unexpected thread group ID; Expected=%d, Actual=%d' % (0, group_id))
for thread_id in range(total_thread_count // 2, total_thread_count):
group_id = self.getThreadGroupId(thread_id)
if group_id != 1:
self.error('Unexpected thread group ID; Expected=%d, Actual=%d' % (0, group_id))
free_threads = self.getFreeThreads()
if len(free_threads) != 0:
self.error('Unexpected free thread count; Expected=%d, Actual=%d' % (0, len(free_threads)))
def generate(self, **kargs):
thread_groups = self.queryThreadGroup()
if len(thread_groups) != 2:
self.error(
"Unexpected thread group count; Expected=%d, Actual=%d"
% (2, len(thread_groups))
)
total_thread_count = self.getThreadNumber()
for thread_group in thread_groups:
thread_constr = ConstraintSet(thread_group[2])
if thread_constr.size() != (total_thread_count // 2):
self.error(
"Unexpected group thread count; Expected=%d, Actual=%d"
% ((total_thread_count // 2), thread_constr.size())
)
for thread_id in range(0, self.getThreadNumber(), 2):
group_id_a = self.getThreadGroupId(thread_id)
group_id_b = self.getThreadGroupId(thread_id + 1)
if group_id_a == group_id_b:
self.error(
"Expected Thread %d (Group ID %d) to have a different "
"group ID from Thread %d (Group ID %d)"
% (thread_id, group_id_a, (thread_id + 1), group_id_b)
)
free_threads = self.getFreeThreads()
if len(free_threads) != 0:
self.error(
"Unexpected free thread count; Expected=%d, Actual=%d"
% (0, len(free_threads))
)
def generate(self, **kargs):
thread_groups = self.queryThreadGroup()
if len(thread_groups) != 1:
self.error(
"Unexpected thread group count; Expected=%d, Actual=%d" %
(1, len(thread_groups)))
total_thread_count = self.getThreadNumber()
thread_constr = ConstraintSet(thread_groups[0][2])
if thread_constr.size() != total_thread_count:
self.error(
"Unexpected group thread count; Expected=%d, Actual=%d" %
(total_thread_count, thread_constr.size()))
thread_groups = self.queryThreadGroup(1)
if len(thread_groups) != 0:
self.error("Unexpectedly retrieved nonexistent thread group %d" %
1)
group_id = self.getThreadGroupId()
if group_id != 0:
self.error("Unexpected thread group ID; Expected=%d, Actual=%d" %
(0, group_id))
# The thread count should not be a valid thread ID; e.g. if there are
# 16 threads, the largest valid thread ID is 15
group_id = self.getThreadGroupId(total_thread_count)
if group_id is not None:
self.error("Unexpected thread group ID for nonexistent thread; "
"Expected=None, Actual=%d" % group_id)
free_threads = self.getFreeThreads()
if len(free_threads) != 0:
self.error("Unexpected free thread count; Expected=%d, Actual=%d" %
(0, len(free_threads)))
def generate(self, **kargs):
init_size = 256
init_addr = self.genVA(Size=init_size, Align=init_size, Type="D")
addr_constr = ConstraintSet(init_addr, (init_addr + init_size - 1))
for _ in range(RandomUtils.random32(50, 100)):
size = RandomUtils.random32(8, 32)
alignment = self.choice((1, 2, 4, 8, 16, 32))
addr = self.genVA(Size=size,
Align=alignment,
Type="D",
Range=str(addr_constr))
if not addr_constr.containsValue(addr):
self.error("Virtual address 0x%x was generated outside of the "
"specified range %s" % (addr, addr_constr))
def _generateInstructionParameters(self):
instr_params = {}
if RandomUtils.random32(0, 1) == 1:
instr_params["NoPreamble"] = 1
target_choice = RandomUtils.random32(0, 2)
if target_choice == 1:
target_addr = self.genVA(Size=512, Align=8, Type="D")
self._mTargetAddrConstr = ConstraintSet(target_addr)
instr_params["LSTarget"] = str(self._mTargetAddrConstr)
elif target_choice == 2:
va_range_size = RandomUtils.random32()
min_target_addr = self.genVA(Size=512, Align=8, Type="D")
max_target_addr = mask_to_size(
(min_target_addr + RandomUtils.random32()), 64)
self._mTargetAddrConstr = ConstraintSet(min_target_addr,
max_target_addr)
instr_params["LSTarget"] = str(self._mTargetAddrConstr)
return instr_params
def generate(self, **kargs):
init_size = 256
init_addr = self.genVA(Size=init_size, Align=init_size, Type='D')
addr_constr = ConstraintSet(init_addr, (init_addr + init_size - 1))
for _ in range(RandomUtils.random32(50, 100)):
instr_params = {'LSTarget': str(addr_constr), 'NoSkip': 1}
if RandomUtils.random32(0, 1) == 1:
instr_params['NoPreamble'] = 1
else:
instr_params['UsePreamble'] = 1
instr_id = self.genInstruction(
self.choice(('LD##RISCV', 'SD##RISCV')), instr_params)
instr_record = self.queryInstructionRecord(instr_id)
if not addr_constr.containsValue(instr_record['LSTarget']):
self.error(
'Target address 0x%x was generated outside of the specified range %s'
% (addr, addr_constr))
def generate(self, **kargs):
init_size = 256
init_addr = self.genVA(Size=init_size, Align=init_size, Type="D")
addr_constr = ConstraintSet(init_addr, (init_addr + init_size - 1))
for _ in range(RandomUtils.random32(50, 100)):
instr_params = {"LSTarget": str(addr_constr), "NoSkip": 1}
if RandomUtils.random32(0, 1) == 1:
instr_params["NoPreamble"] = 1
else:
instr_params["UsePreamble"] = 1
if self.getGlobalState("AppRegisterWidth") == 32:
instr_id = self.genInstruction(
self.choice(("LW##RISCV", "SW##RISCV")), instr_params)
else:
instr_id = self.genInstruction(
self.choice(("LD##RISCV", "SD##RISCV")), instr_params)
instr_record = self.queryInstructionRecord(instr_id)
if not addr_constr.containsValue(instr_record["LSTarget"]):
self.error("Target address 0x%x was generated outside of the"
"specified range %s" % (addr, addr_constr))
def _getHandlerMemoryConstraint(self):
# Need to ensure the handler memory doesn't intersect the boot region
# or initial PC of any thread
handler_memory_constr = ConstraintSet(0, 0xFFFFFFFFFFFFFFFF)
for thread_id in range(self.getThreadNumber()):
handler_memory_constr.subRange(
PcConfig.get_boot_pc(thread_id),
(PcConfig.get_boot_pc(thread_id) +
PcConfig.get_boot_region_size() - 1),
)
handler_memory_constr.subValue(PcConfig.get_initial_pc(thread_id))
return handler_memory_constr
class VectorLoadStoreTestSequence(VectorTestSequence):
def __init__(self, aGenThread, aName=None):
super().__init__(aGenThread, aName)
self._mUnalignedAllowed = False
self._mTargetAddrConstr = None
# Set up the environment prior to generating the test instructions.
def _setUpTest(self):
if RandomUtils.random32(0, 1) == 1:
choices_mod = ChoicesModifier(self.genThread)
choice_weights = {"Aligned": 80, "Unaligned": 20}
choices_mod.modifyOperandChoices("Data alignment", choice_weights)
choices_mod.commitSet()
self._mUnalignedAllowed = True
# Return parameters to be passed to Sequence.genInstruction().
def _getInstructionParameters(self):
self._mTargetAddrConstr = None
instr_params = {}
if RandomUtils.random32(0, 1) == 1:
if RandomUtils.random32(0, 1) == 1:
instr_params["NoPreamble"] = 1
target_choice = RandomUtils.random32(0, 2)
if target_choice == 1:
target_addr = self.genVA(Size=512, Align=8, Type="D")
self._mTargetAddrConstr = ConstraintSet(target_addr)
instr_params["LSTarget"] = str(self._mTargetAddrConstr)
elif target_choice == 2:
va_range_size = RandomUtils.random32()
min_target_addr = self.genVA(Size=512, Align=8, Type="D")
max_target_addr = mask_to_size(
(min_target_addr + RandomUtils.random32()), 64)
self._mTargetAddrConstr = ConstraintSet(
min_target_addr, max_target_addr)
instr_params["LSTarget"] = str(self._mTargetAddrConstr)
return instr_params
# Return true if it is permissible for the generation to skip this
# instruction.
#
# @param aInstr The name of the instruction.
# @param aInstrParams The parameters passed to Sequence.genInstruction().
def _isSkipAllowed(self, aInstr, aInstrParams):
if aInstrParams or (self._calculateEmul(aInstr) > 8):
return True
return False
# Verify additional aspects of the instruction generation and execution.
#
# @param aInstr The name of the instruction.
# @param aInstrRecord A record of the generated instruction.
def _performAdditionalVerification(self, aInstr, aInstrRecord):
if ((self._mTargetAddrConstr is not None)
and (0x2 not in self._getAllowedExceptionCodes(aInstr))
and (not self._mTargetAddrConstr.containsValue(
aInstrRecord["LSTarget"]))):
self.error("Target address 0x%x was outside of the specified "
"constraint %s" %
(aInstrRecord["LSTarget"], self._mTargetAddrConstr))
# Get allowed exception codes.
#
# @param aInstr The name of the instruction.
def _getAllowedExceptionCodes(self, aInstr):
allowed_except_codes = set()
if self._mUnalignedAllowed:
allowed_except_codes.add(0x4)
allowed_except_codes.add(0x6)
if self._calculateEmul(aInstr) > 8:
allowed_except_codes.add(0x2)
return allowed_except_codes
# Calculate EMUL for the given instruction.
#
# @param aInstr The name of the instruction.
def _calculateEmul(self, aInstr):
eew = self._getEew(aInstr)
(vlmul_val, valid) = self.readRegister("vtype", field="VLMUL")
self.assertValidRegisterValue("vtype", valid)
lmul = self.calculateLmul(vlmul_val)
(vsew_val, valid) = self.readRegister("vtype", field="VSEW")
self.assertValidRegisterValue("vtype", valid)
sew = self.calculateLmul(vsew_val)
return round((eew / sew) * lmul)
# Determine EEW for the given instruction.
#
# @param aInstr The name of the instruction.
def _getEew(self, aInstr):
match = re.fullmatch(r"V[A-Z]+(\d+)\.V\#\#RISCV", aInstr)
return int(match.group(1))
class VectorLoadStoreTestSequence(VectorTestSequence):
def __init__(self, aGenThread, aName=None):
super().__init__(aGenThread, aName)
self._mUnalignedAllowed = False
self._mTargetAddrConstr = None
## Set up the environment prior to generating the test instructions.
def _setUpTest(self):
if RandomUtils.random32(0, 1) == 1:
choices_mod = ChoicesModifier(self.genThread)
choice_weights = {'Aligned': 80, 'Unaligned': 20}
choices_mod.modifyOperandChoices('Data alignment', choice_weights)
choices_mod.commitSet()
self._mUnalignedAllowed = True
## Return parameters to be passed to Sequence.genInstruction().
def _getInstructionParameters(self):
self._mTargetAddrConstr = None
instr_params = {}
if RandomUtils.random32(0, 1) == 1:
if RandomUtils.random32(0, 1) == 1:
instr_params['NoPreamble'] = 1
target_choice = RandomUtils.random32(0, 2)
if target_choice == 1:
target_addr = self.genVA(Size=512, Align=8, Type='D')
self._mTargetAddrConstr = ConstraintSet(target_addr)
instr_params['LSTarget'] = str(self._mTargetAddrConstr)
elif target_choice == 2:
va_range_size = RandomUtils.random32()
min_target_addr = self.genVA(Size=512, Align=8, Type='D')
max_target_addr = mask_to_size(
(min_target_addr + RandomUtils.random32()), 64)
self._mTargetAddrConstr = ConstraintSet(
min_target_addr, max_target_addr)
instr_params['LSTarget'] = str(self._mTargetAddrConstr)
return instr_params
## Return true if it is permissible for the generation to skip this instruction.
#
# @param aInstr The name of the instruction.
# @param aInstrParams The parameters passed to Sequence.genInstruction().
def _isSkipAllowed(self, aInstr, aInstrParams):
if aInstrParams or (self._calculateEmul(aInstr) > 8):
return True
return False
## Verify additional aspects of the instruction generation and execution.
#
# @param aInstr The name of the instruction.
# @param aInstrRecord A record of the generated instruction.
def _performAdditionalVerification(self, aInstr, aInstrRecord):
if (self._mTargetAddrConstr
is not None) and (not self._mTargetAddrConstr.containsValue(
aInstrRecord['LSTarget'])):
self.error(
'Target address 0x%x was outside of the specified constraint %s'
% (aInstrRecord['LSTarget'], self._mTargetAddrConstr))
## Get allowed exception codes.
#
# @param aInstr The name of the instruction.
def _getAllowedExceptionCodes(self, aInstr):
allowed_except_codes = set()
if self._mUnalignedAllowed:
allowed_except_codes.add(0x4)
allowed_except_codes.add(0x6)
if self._calculateEmul(aInstr) > 8:
allowed_except_codes.add(0x2)
# TODO(Noah): Remove the line below permitting store page fault exceptions when the page
# descriptor generation is improved. Currently, we are generating read-only pages for load
# instructions, which is causing subsequent store instructions to the same page to fault.
allowed_except_codes.add(0xF)
return allowed_except_codes
## Calculate EMUL for the given instruction.
#
# @param aInstr The name of the instruction.
def _calculateEmul(self, aInstr):
eew = self._getEew(aInstr)
(vlmul_val, valid) = self.readRegister('vtype', field='VLMUL')
self.assertValidRegisterValue('vtype', valid)
lmul = self.calculateLmul(vlmul_val)
(vsew_val, valid) = self.readRegister('vtype', field='VSEW')
self.assertValidRegisterValue('vtype', valid)
sew = self.calculateLmul(vsew_val)
return round((eew / sew) * lmul)
## Determine EEW for the given instruction.
#
# @param aInstr The name of the instruction.
def _getEew(self, aInstr):
match = re.fullmatch(r'V[A-Z]+(\d+)\.V\#\#RISCV', aInstr)
return int(match.group(1))
def generate(self, **kargs):
if self.getThreadGroupId() != 0:
return
thread_groups = self.queryThreadGroup(0)
assert_equal(len(thread_groups), 1, "Unexpected thread group count")
thread_constr = ConstraintSet(thread_groups[0][2])
assert_equal(thread_constr.size(), 1, "Unexpected group thread count")
expected_free_thread_count = self.getThreadNumber() - 1
free_threads = self.getFreeThreads()
assert_equal(len(free_threads), expected_free_thread_count,
"Unexpected free thread count")
# Allocate two threads into one group randomly
self.partitionThreadGroup("Random", group_num=1, group_size=2)
expected_free_thread_count -= 2
thread_groups = self.queryThreadGroup()
assert_equal(len(thread_groups), 2, "Unexpected thread group count")
thread_constr_0 = ConstraintSet(thread_groups[0][2])
assert_equal(thread_constr_0.size(), 1,
"Unexpected group thread count")
thread_constr_1 = ConstraintSet(thread_groups[1][2])
assert_equal(thread_constr_1.size(), 2,
"Unexpected group thread count")
free_threads = self.getFreeThreads()
assert_equal(len(free_threads), expected_free_thread_count,
"Unexpected free thread count")
free_thread_sample = self.sampleFreeThreads(5)
group_id = thread_groups[1][0]
self.setThreadGroup(group_id, "Endless Loop", free_thread_sample)
expected_free_thread_count = expected_free_thread_count + 2 - 5
thread_groups = self.queryThreadGroup(group_id)
assert_equal(len(thread_groups), 1, "Unexpected thread group count")
thread_constr = ConstraintSet(thread_groups[0][2])
assert_equal(thread_constr.size(), 5, "Unexpected group thread count")
free_threads = self.getFreeThreads()
assert_equal(len(free_threads), expected_free_thread_count,
"Unexpected free thread count")
def generate(self, **kargs):
constr_a = ConstraintSet(0x23, 0x87)
if constr_a.isEmpty():
self.error('Constraint %s reported as empty.' % constr_a)
if constr_a.size() != 101:
self.error(
'Constraint %s reported incorrect size; Expected = 101, Actual = %d'
% (constr_a, constr_a.size()))
val = constr_a.chooseValue()
if (val < 0x23) or (val > 0x87):
self.error('Chosen value %d lies outside of constraint %s' %
(val, constr_a))
constr_a.addRange(0x35, 0x100)
if str(constr_a) != '0x23-0x100':
self.error('Constraint %s didn\'t add range correctly.' % constr_a)
constr_a.subRange(0x4F, 0x6F)
if str(constr_a) != '0x23-0x4e,0x70-0x100':
self.error('Constraint %s didn\'t subtract range correctly.' %
constr_a)
constr_b = ConstraintSet('0x18, 0x22-0x5C')
constr_b.mergeConstraintSet(constr_a)
if str(constr_b) != '0x18,0x22-0x5c,0x70-0x100':
self.error(
'Constraint %s didn\'t merge with constraint %s correctly.' %
(constr_b, constr_a))
constr_c = ConstraintSet(0x5B)
constr_c.applyConstraintSet(constr_a)
if not constr_c.isEmpty():
self.error('Constraint %s didn\'t apply constraint %s correctly.' %
(constr_c, constr_a))
constr_d = ConstraintSet(constr_a)
if constr_d != constr_a:
self.error(
'Constraint %s didn\'t copy from constraint %s correctly.' %
(constr_d, constr_a))
def _testConstraintSetMethods(self):
for _ in range(5):
constr_a = ConstraintSet(0xF9B3, 0x207CE)
if constr_a.isEmpty():
self.error("Constraint %s reported as empty." % constr_a)
if constr_a.size() != 69148:
self.error(
"Constraint %s reported incorrect size; Expected = 69148, "
"Actual = %d" % (constr_a, constr_a.size()))
val = constr_a.chooseValue()
if (val < 0xF9B3) or (val > 0x207CE):
self.error("Chosen value %d lies outside of constraint %s" %
(val, constr_a))
constr_a.addRange(0xE700, 0xE800)
if str(constr_a) != "0xe700-0xe800,0xf9b3-0x207ce":
self.error("Constraint %s didn't add range correctly." %
constr_a)
constr_a.subRange(0xE780, 0x1F390)
if str(constr_a) != "0xe700-0xe77f,0x1f391-0x207ce":
self.error("Constraint %s didn't subtract range correctly." %
constr_a)
constr_b = ConstraintSet(0x20800)
constr_b.mergeConstraintSet(constr_a)
if str(constr_b) != "0xe700-0xe77f,0x1f391-0x207ce,0x20800":
self.error(
"Constraint %s didn't merge with constraint %s correctly."
% (constr_b, constr_a))
constr_c = ConstraintSet("0x20000-0x20600,0x20800")
constr_c.applyConstraintSet(constr_a)
if str(constr_c) != "0x20000-0x20600":
self.error(
"Constraint %s didn't apply constraint %s correctly." %
(constr_c, constr_a))
constr_d = ConstraintSet(constr_a)
if constr_d != constr_a:
self.error(
"Constraint %s didn't copy from constraint %s correctly." %
(constr_d, constr_a))
def _recordMemoryAttributes(self, mem_attributes, start_addr, end_addr):
for arch_mem_attr in mem_attributes.split(","):
addr_ranges = self._mMemAttrRanges.setdefault(
arch_mem_attr, ConstraintSet())
addr_ranges.addRange(start_addr, end_addr)
def generate(self, **kargs):
group_id = self.getThreadGroupId()
if group_id == 0:
thread_groups = self.queryThreadGroup(0)
if len(thread_groups) != 1:
self.error(
'Unexpected thread group count; Expected=%d, Actual=%d' %
(1, len(thread_groups)))
thread_constr = ConstraintSet(thread_groups[0][2])
if thread_constr.size() != 1:
self.error(
'Unexpected group thread count; Expected=%d, Actual=%d' %
(1, thread_constr.size()))
expected_free_thread_count = self.getThreadNumber() - 1
free_threads = self.getFreeThreads()
if len(free_threads) != expected_free_thread_count:
self.error(
'Unexpected free thread count; Expected=%d, Actual=%d' %
(expected_free_thread_count, len(free_threads)))
# Allocate two threads into one group randomly
self.partitionThreadGroup('Random', group_num=1, group_size=2)
expected_free_thread_count -= 2
thread_groups = self.queryThreadGroup()
if len(thread_groups) != 2:
self.error(
'Unexpected thread group count; Expected=%d, Actual=%d' %
(2, len(thread_groups)))
thread_constr_0 = ConstraintSet(thread_groups[0][2])
if thread_constr_0.size() != 1:
self.error(
'Unexpected group thread count; Expected=%d, Actual=%d' %
(1, thread_constr_0.size()))
thread_constr_1 = ConstraintSet(thread_groups[1][2])
if thread_constr_1.size() != 2:
self.error(
'Unexpected group thread count; Expected=%d, Actual=%d' %
(2, thread_constr_1.size()))
free_threads = self.getFreeThreads()
if len(free_threads) != expected_free_thread_count:
self.error(
'Unexpected free thread count; Expected=%d, Actual=%d' %
(expected_free_thread_count, len(free_threads)))
free_thread_sample = self.sampleFreeThreads(5)
group_id = thread_groups[1][0]
self.setThreadGroup(group_id, 'Endless Loop', free_thread_sample)
expected_free_thread_count = expected_free_thread_count + 2 - 5
thread_groups = self.queryThreadGroup(group_id)
if len(thread_groups) != 1:
self.error(
'Unexpected thread group count; Expected=%d, Actual=%d' %
(1, len(thread_groups)))
thread_constr = ConstraintSet(thread_groups[0][2])
if thread_constr.size() != 5:
self.error(
'Unexpected group thread count; Expected=%d, Actual=%d' %
(5, thread_constr.size()))
free_threads = self.getFreeThreads()
if len(free_threads) != expected_free_thread_count:
self.error(
'Unexpected free thread count; Expected=%d, Actual=%d' %
(expected_free_thread_count, len(free_threads)))