src/arch/arm/isa/formats/macromem.isa

   1 // -*- mode:c++ -*-
   2
   3 // Copyright (c) 2010 ARM Limited
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  10 // licensed hereunder.  You may use the software subject to the license
  11 // terms below provided that you ensure that this notice is replicated
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  13 // modified or unmodified, in source code or in binary form.
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  15 // Redistribution and use in source and binary forms, with or without
  16 // modification, are permitted provided that the following conditions are
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  37
  38 def format ArmMacroMem() {{
  39     decode_block = '''
  40     return new LdmStm(machInst, (IntRegIndex)(uint32_t)RN, !PREPOST, UP,
  41                       PSRUSER, WRITEBACK, LOADOP, machInst.regList);
  42     '''
  43 }};
  44
  45 def format Thumb16MacroMem() {{
  46     decode_block = '''
  47     {
  48         const IntRegIndex rn = (IntRegIndex)(uint32_t)bits(machInst, 10, 8);
  49         const bool load = (bits(machInst, 11) == 1);
  50         const uint32_t regList = bits(machInst, 7, 0);
  51         const bool writeback = (!load || bits(regList, rn) == 0);
  52         return new LdmStm(machInst, rn, true, true, false,
  53                           writeback, load, regList);
  54     }
  55     '''
  56 }};