1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 MIPS Technologies, Inc.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30// Jaidev Patwardhan
31
32////////////////////////////////////////////////////////////////////
33//
34// Trap instructions
35//
36
37output header {{
38 /**
39 * Base class for integer operations.
40 */
41 class Trap : public MipsStaticInst
42 {
43 protected:
44
45 /// Constructor
46 Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
47 {
48 }
49
| 1// -*- mode:c++ -*-
2
3// Copyright (c) 2007 MIPS Technologies, Inc.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met: redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer;
10// redistributions in binary form must reproduce the above copyright
11// notice, this list of conditions and the following disclaimer in the
12// documentation and/or other materials provided with the distribution;
13// neither the name of the copyright holders nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28//
29// Authors: Korey Sewell
30// Jaidev Patwardhan
31
32////////////////////////////////////////////////////////////////////
33//
34// Trap instructions
35//
36
37output header {{
38 /**
39 * Base class for integer operations.
40 */
41 class Trap : public MipsStaticInst
42 {
43 protected:
44
45 /// Constructor
46 Trap(const char *mnem, MachInst _machInst, OpClass __opClass) : MipsStaticInst(mnem, _machInst, __opClass)
47 {
48 }
49
|
50 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
| 50 std::string generateDisassembly(
51 Addr pc, const SymbolTable *symtab) const override;
|
51 };
52 class TrapImm : public MipsStaticInst
53 {
54 protected:
55
56 int16_t imm;
57
58 /// Constructor
59 TrapImm(const char *mnem, MachInst _machInst, OpClass __opClass) :
60 MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
61 {
62 }
63
| 52 };
53 class TrapImm : public MipsStaticInst
54 {
55 protected:
56
57 int16_t imm;
58
59 /// Constructor
60 TrapImm(const char *mnem, MachInst _machInst, OpClass __opClass) :
61 MipsStaticInst(mnem, _machInst, __opClass),imm(INTIMM)
62 {
63 }
64
|
64 std::string generateDisassembly(Addr pc, const SymbolTable *symtab) const;
65
66
| 65 std::string generateDisassembly(
66 Addr pc, const SymbolTable *symtab) const override;
|
67 };
68
69}};
70
71output decoder {{
72 std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
73 {
74 return "Disassembly of trap instruction\n";
75 }
76 std::string TrapImm::generateDisassembly(Addr pc, const SymbolTable *symtab) const
77 {
78 return "Disassembly of trap instruction\n";
79 }
80}};
81
82def template TrapExecute {{
83 //Edit This Template When Traps Are Implemented
84 Fault %(class_name)s::execute(
85 ExecContext *xc, Trace::InstRecord *traceData) const
86 {
87 //Write the resulting state to the execution context
88 %(op_wb)s;
89
90 //Call into the trap handler with the appropriate fault
91 return No_Fault;
92 }
93}};
94def format Trap(code, *flags) {{
95
96 code ='bool cond;\n' + code
97 code += 'if (cond) {\n'
98 code += 'fault = std::make_shared<TrapFault>();\n};'
99
100 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
101 header_output = BasicDeclare.subst(iop)
102 decoder_output = BasicConstructor.subst(iop)
103 decode_block = BasicDecode.subst(iop)
104 exec_output = BasicExecute.subst(iop)
105}};
106def format TrapImm(code, *flags) {{
107
108 code ='bool cond;\n' + code
109 code += 'if (cond) {\n'
110 code += 'fault = std::make_shared<TrapFault>();\n};'
111 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
112 header_output = BasicDeclare.subst(iop)
113 decoder_output = BasicConstructor.subst(iop)
114 decode_block = BasicDecode.subst(iop)
115 exec_output = BasicExecute.subst(iop)
116}};
| 67 };
68
69}};
70
71output decoder {{
72 std::string Trap::generateDisassembly(Addr pc, const SymbolTable *symtab) const
73 {
74 return "Disassembly of trap instruction\n";
75 }
76 std::string TrapImm::generateDisassembly(Addr pc, const SymbolTable *symtab) const
77 {
78 return "Disassembly of trap instruction\n";
79 }
80}};
81
82def template TrapExecute {{
83 //Edit This Template When Traps Are Implemented
84 Fault %(class_name)s::execute(
85 ExecContext *xc, Trace::InstRecord *traceData) const
86 {
87 //Write the resulting state to the execution context
88 %(op_wb)s;
89
90 //Call into the trap handler with the appropriate fault
91 return No_Fault;
92 }
93}};
94def format Trap(code, *flags) {{
95
96 code ='bool cond;\n' + code
97 code += 'if (cond) {\n'
98 code += 'fault = std::make_shared<TrapFault>();\n};'
99
100 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
101 header_output = BasicDeclare.subst(iop)
102 decoder_output = BasicConstructor.subst(iop)
103 decode_block = BasicDecode.subst(iop)
104 exec_output = BasicExecute.subst(iop)
105}};
106def format TrapImm(code, *flags) {{
107
108 code ='bool cond;\n' + code
109 code += 'if (cond) {\n'
110 code += 'fault = std::make_shared<TrapFault>();\n};'
111 iop = InstObjParams(name, Name, 'MipsStaticInst', code, flags)
112 header_output = BasicDeclare.subst(iop)
113 decoder_output = BasicConstructor.subst(iop)
114 decode_block = BasicDecode.subst(iop)
115 exec_output = BasicExecute.subst(iop)
116}};
|