src/soc/fu/mmu/mmu_input_record.py

   1 from soc.fu.base_input_record import CompOpSubsetBase
   2 from openpower.decoder.power_enums import (MicrOp, Function)
   3
   4
   5 class CompMMUOpSubset(CompOpSubsetBase):
   6     """CompMMUOpSubset
   7
   8     a copy of the relevant subset information from Decode2Execute1Type
   9     needed for MMU operations.  use with eq_from_execute1 (below) to
  10     grab subsets.
  11     """
  12     def __init__(self, name=None):
  13         layout = (('insn_type', MicrOp),
  14                   ('fn_unit', Function),
  15                   ('insn', 32),
  16                   ('cia', 64), # for instruction fault (MMU PTE lookup)
  17                   ('msr', 64), # ditto, to set priv_mode etc.
  18                   ('zero_a', 1),
  19                   )
  20         super().__init__(layout, name=name)