src/soc/fu/test/common.py

   1 class TestCase:
   2     def __init__(self, program, name, regs=None, sprs=None, cr=0, mem=None,
   3                        msr=0):
   4
   5         self.program = program
   6         self.name = name
   7
   8         if regs is None:
   9             regs = [0] * 32
  10         if sprs is None:
  11             sprs = {}
  12         if mem is None:
  13             mem = {}
  14         self.regs = regs
  15         self.sprs = sprs
  16         self.cr = cr
  17         self.mem = mem
  18         self.msr = msr
  19
  20 class ALUHelpers:
  21
  22     def set_int_ra(alu, dec2, inp):
  23         if 'ra' in inp:
  24             yield alu.p.data_i.ra.eq(inp['ra'])
  25
  26     def set_int_rb(alu, dec2, inp):
  27         if 'rb' in inp:
  28             yield alu.p.data_i.rb.eq(inp['rb'])
  29         # If there's an immediate, set the B operand to that
  30         imm_ok = yield dec2.e.imm_data.imm_ok
  31         if imm_ok:
  32             data2 = yield dec2.e.imm_data.imm
  33             yield alu.p.data_i.b.eq(data2)
  34
  35     def set_xer_ca(alu, dec2, inp):
  36         if 'xer_ca' in inp:
  37             yield alu.p.data_i.xer_ca.eq(inp['xer_ca'])
  38             print ("extra inputs: CA/32", bin(inp['xer_ca']))
  39
  40     def set_xer_so(alu, dec2, inp):
  41         if 'xer_so' in inp:
  42             so = inp['xer_so']
  43             print ("extra inputs: so", so)
  44             yield alu.p.data_i.xer_so.eq(so)
  45