def generate(self, **kargs):
assembly_helper = AssemblyHelperRISCV(self)
appRegSize = self.getGlobalState("AppRegisterWidth")
if appRegSize == 32:
self.notice("FORCE/RISCV configured for 32-bits...")
else:
self.notice("FORCE/RISCV configured for 64-bits...")
(dest_reg_index, src_reg_index,
src_reg_index_2) = self.getRandomGPRs(3, exclude="0")
load_gpr64_seq = LoadGPR64(self.genThread)
src_reg_val = RandomUtils.random32(
) if appRegSize == 32 else RandomUtils.random64()
load_gpr64_seq.load(src_reg_index, src_reg_val)
src_reg_val_2 = RandomUtils.random32(
) if appRegSize == 32 else RandomUtils.random64()
load_gpr64_seq.load(src_reg_index_2, src_reg_val_2)
MAX_GPR_VAL = 0xFFFFFFFF if appRegSize == 32 else 0xFFFFFFFFFFFFFFFF
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genMoveImmediate(dest_reg_index, imm_val)
dest_reg_val = imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
max_shift_val = 31 if appRegSize == 32 else 63
shift_amount = RandomUtils.random32(0, max_shift_val)
assembly_helper.genShiftLeftImmediate(dest_reg_index, shift_amount)
dest_reg_val = (dest_reg_val << shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, max_shift_val)
assembly_helper.genShiftRightImmediate(dest_reg_index, shift_amount)
dest_reg_val = (dest_reg_val >> shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, max_shift_val)
assembly_helper.genShiftLeftImmediate(dest_reg_index,
shift_amount,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val << shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, max_shift_val)
assembly_helper.genShiftRightImmediate(dest_reg_index,
shift_amount,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val >> shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAndImmediate(dest_reg_index, imm_val)
dest_reg_val &= imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAndImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val & imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genOrImmediate(dest_reg_index, imm_val)
dest_reg_val |= imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genOrImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val | imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genXorImmediate(dest_reg_index, imm_val)
dest_reg_val ^= imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genXorImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val ^ imm_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAddImmediate(dest_reg_index, imm_val)
dest_reg_val = (dest_reg_val + imm_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAddImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val + imm_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genMoveRegister(dest_reg_index, src_reg_index)
dest_reg_val = src_reg_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
# Reset destination register value after copying directly from source;
# otherwise, the tests that follow will be less interesting
dest_reg_val = RandomUtils.random32(
) if appRegSize == 32 else RandomUtils.random64()
load_gpr64_seq.load(dest_reg_index, dest_reg_val)
assembly_helper.genAndRegister(dest_reg_index, src_reg_index)
dest_reg_val &= src_reg_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAndRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = src_reg_val_2 & src_reg_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genOrRegister(dest_reg_index, src_reg_index)
dest_reg_val |= src_reg_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genOrRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = src_reg_val_2 | src_reg_val
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genNotRegister(dest_reg_index)
dest_reg_val = ~dest_reg_val & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genNotRegister(dest_reg_index,
aSrcRegIndex=src_reg_index)
dest_reg_val = ~src_reg_val & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAddRegister(dest_reg_index, src_reg_index)
dest_reg_val = (dest_reg_val + src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAddRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = (src_reg_val_2 + src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genSubRegister(dest_reg_index, src_reg_index)
dest_reg_val = (dest_reg_val - src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genSubRegister(dest_reg_index,
src_reg_index,
aMinuendRegIndex=src_reg_index_2)
dest_reg_val = (src_reg_val_2 - src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genReadSystemRegister(dest_reg_index, "mscratch")
(dest_reg_val, valid) = self.readRegister("mscratch")
if not valid:
self.error("Value for register mscratch is invalid")
exception_handlers_test_utils.assert_gpr_has_value(
self, dest_reg_index, dest_reg_val)
assembly_helper.genWriteSystemRegister("mscratch", src_reg_index)
(mscratch_val, valid) = self.readRegister("mscratch")
if not valid:
self.error("Value for register mscratch is invalid")
if mscratch_val != src_reg_val:
self.error("Value of register mscratch did not match the expected "
"value. Expected=0x%x, Actual=0x%x" %
(src_reg_val, mscratch_val))
def generate(self, **kargs):
assembly_helper = AssemblyHelperRISCV(self)
# TODO(Noah): Test branch instruction generation methods when there is time to do so.
(dest_reg_index, src_reg_index,
src_reg_index_2) = self.getRandomGPRs(3, exclude='0')
load_gpr64_seq = LoadGPR64(self.genThread)
src_reg_val = RandomUtils.random64()
load_gpr64_seq.load(src_reg_index, src_reg_val)
src_reg_val_2 = RandomUtils.random64()
load_gpr64_seq.load(src_reg_index_2, src_reg_val_2)
MAX_GPR_VAL = 0xFFFFFFFFFFFFFFFF
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genMoveImmediate(dest_reg_index, imm_val)
dest_reg_val = imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, 63)
assembly_helper.genShiftLeftImmediate(dest_reg_index, shift_amount)
dest_reg_val = (dest_reg_val << shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, 63)
assembly_helper.genShiftRightImmediate(dest_reg_index, shift_amount)
dest_reg_val = (dest_reg_val >> shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, 63)
assembly_helper.genShiftLeftImmediate(dest_reg_index,
shift_amount,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val << shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
shift_amount = RandomUtils.random32(0, 63)
assembly_helper.genShiftRightImmediate(dest_reg_index,
shift_amount,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val >> shift_amount) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAndImmediate(dest_reg_index, imm_val)
dest_reg_val &= imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAndImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val & imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genOrImmediate(dest_reg_index, imm_val)
dest_reg_val |= imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genOrImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val | imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genXorImmediate(dest_reg_index, imm_val)
dest_reg_val ^= imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genXorImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = src_reg_val ^ imm_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAddImmediate(dest_reg_index, imm_val)
dest_reg_val = (dest_reg_val + imm_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
imm_val = RandomUtils.random32(0, 2047)
assembly_helper.genAddImmediate(dest_reg_index,
imm_val,
aSrcRegIndex=src_reg_index)
dest_reg_val = (src_reg_val + imm_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genMoveRegister(dest_reg_index, src_reg_index)
dest_reg_val = src_reg_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
# Reset destination register value after copying directly from source; otherwise, the tests
# that follow will be less interesting
dest_reg_val = RandomUtils.random64()
load_gpr64_seq.load(dest_reg_index, dest_reg_val)
assembly_helper.genAndRegister(dest_reg_index, src_reg_index)
dest_reg_val &= src_reg_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAndRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = src_reg_val_2 & src_reg_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genOrRegister(dest_reg_index, src_reg_index)
dest_reg_val |= src_reg_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genOrRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = src_reg_val_2 | src_reg_val
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genNotRegister(dest_reg_index)
dest_reg_val = ~dest_reg_val & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genNotRegister(dest_reg_index,
aSrcRegIndex=src_reg_index)
dest_reg_val = ~src_reg_val & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAddRegister(dest_reg_index, src_reg_index)
dest_reg_val = (dest_reg_val + src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genAddRegister(dest_reg_index,
src_reg_index,
aSrcRegIndex2=src_reg_index_2)
dest_reg_val = (src_reg_val_2 + src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genSubRegister(dest_reg_index, src_reg_index)
dest_reg_val = (dest_reg_val - src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genSubRegister(dest_reg_index,
src_reg_index,
aMinuendRegIndex=src_reg_index_2)
dest_reg_val = (src_reg_val_2 - src_reg_val) & MAX_GPR_VAL
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genReadSystemRegister(dest_reg_index, 'mscratch')
(dest_reg_val, valid) = self.readRegister('mscratch')
if not valid:
self.error('Value for register mscratch is invalid')
exception_handlers_test_utils.assertGprHasValue(
self, dest_reg_index, dest_reg_val)
assembly_helper.genWriteSystemRegister('mscratch', src_reg_index)
(mscratch_val, valid) = self.readRegister('mscratch')
if not valid:
self.error('Value for register mscratch is invalid')
if mscratch_val != src_reg_val:
self.error(
'Value of register mscratch did not match the expected value. Expected=0x%x, Actual=0x%x'
% (src_reg_val, mscratch_val))