from soc.fu.ldst.ldst_input_record import CompLDSTOpSubset
-from soc.fu.pipe_data import IntegerData, CommonPipeSpec
+from soc.fu.pipe_data import FUBaseData, CommonPipeSpec
+from openpower.exceptions import LDSTException
+# XXX NOTE: neither of these are actually used at present other than regspecs
+# TODO: make use of them in LDSTCompUnit (somehow)
-class LDSTInputData(IntegerData):
+class LDSTInputData(FUBaseData):
regspec = [('INT', 'ra', '0:63'), # RA
('INT', 'rb', '0:63'), # RB/immediate
('INT', 'rc', '0:63'), # RC
self.rs = self.rc
-class LDSTOutputData(IntegerData):
+class LDSTOutputData(FUBaseData):
+ # these need to tie up with LDSTCompUnit.get_out index numbers
+ # LDSTCompUnit is unusual in that it's non-standard to RegSpecAPI
regspec = [('INT', 'o', '0:63'), # RT
('INT', 'o1', '0:63'), # RA (effective address, update mode)
# TODO, later ('CR', 'cr_a', '0:3'),
# TODO, later ('XER', 'xer_so', '32')
]
def __init__(self, pspec):
- super().__init__(pspec, True)
+ super().__init__(pspec, True, LDSTException)
# convenience
self.cr0, self.ea = self.cr_a, self.o1