misc.isa (7203:39753c33e7aa) misc.isa (7263:2eca996220d7)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating

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72 return new MsrSpsrReg(machInst, rn, byteMask);
73 }
74 default:
75 return new Unknown(machInst);
76 }
77 }
78 '''
79}};
1// -*- mode:c++ -*-
2
3// Copyright (c) 2010 ARM Limited
4// All rights reserved
5//
6// The license below extends only to copyright in the software and shall
7// not be construed as granting a license to any other intellectual
8// property including but not limited to intellectual property relating

--- 63 unchanged lines hidden (view full) ---

72 return new MsrSpsrReg(machInst, rn, byteMask);
73 }
74 default:
75 return new Unknown(machInst);
76 }
77 }
78 '''
79}};
80
81def format McrMrc15() {{
82 decode_block = '''
83 {
84 const uint32_t opc1 = bits(machInst, 23, 21);
85 const uint32_t crn = bits(machInst, 19, 16);
86 const uint32_t opc2 = bits(machInst, 7, 5);
87 const uint32_t crm = bits(machInst, 3, 0);
88 const MiscRegIndex miscReg = decodeCP15Reg(crn, opc1, crm, opc2);
89 const IntRegIndex rt = (IntRegIndex)(uint32_t)bits(machInst, 15, 12);
90
91 const bool isRead = bits(machInst, 20);
92
93 if (miscReg == MISCREG_NOP) {
94 return new NopInst(machInst);
95 } else if (miscReg == NUM_MISCREGS) {
96 return new Unknown(machInst);
97 } else {
98 if (isRead) {
99 return new Mrc15(machInst, rt, (IntRegIndex)miscReg);
100 } else {
101 return new Mcr15(machInst, (IntRegIndex)miscReg, rt);
102 }
103 }
104 }
105 '''
106}};