util.isa (5736:426510e758ad) util.isa (5745:6b0f8306704b)
1// -*- mode:c++ -*-
2
3// Copyright (c) 2003-2005 The Regents of The University of Michigan
4// Copyright (c) 2007 MIPS Technologies, Inc.
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are
9// met: redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer;
11// redistributions in binary form must reproduce the above copyright
12// notice, this list of conditions and the following disclaimer in the
13// documentation and/or other materials provided with the distribution;
14// neither the name of the copyright holders nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Authors: Steve Reinhardt
31// Korey Sewell
32
33let {{
34def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
35 postacc_code = '', base_class = 'Memory',
36 decode_template = BasicDecode, exec_template_base = ''):
37 # Make sure flags are in lists (convert to lists if not).
38 mem_flags = makeList(mem_flags)
39 inst_flags = makeList(inst_flags)
40
41 # add hook to get effective addresses into execution trace output.
42 ea_code += '\nif (traceData) { traceData->setAddr(EA); }\n'
43
44 # Some CPU models execute the memory operation as an atomic unit,
45 # while others want to separate them into an effective address
46 # computation and a memory access operation. As a result, we need
47 # to generate three StaticInst objects. Note that the latter two
48 # are nested inside the larger "atomic" one.
49
50 # Generate InstObjParams for each of the three objects. Note that
51 # they differ only in the set of code objects contained (which in
52 # turn affects the object's overall operand list).
53 iop = InstObjParams(name, Name, base_class,
54 { 'ea_code':ea_code, 'memacc_code':memacc_code, 'postacc_code':postacc_code },
55 inst_flags)
56 ea_iop = InstObjParams(name, Name, base_class,
57 { 'ea_code':ea_code },
58 inst_flags)
59 memacc_iop = InstObjParams(name, Name, base_class,
60 { 'memacc_code':memacc_code, 'postacc_code':postacc_code },
61 inst_flags)
62
63 if mem_flags:
64 mem_flags = [ 'Request::%s' % flag for flag in mem_flags ]
1// -*- mode:c++ -*-
2
3// Copyright (c) 2003-2005 The Regents of The University of Michigan
4// Copyright (c) 2007 MIPS Technologies, Inc.
5// All rights reserved.
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are
9// met: redistributions of source code must retain the above copyright
10// notice, this list of conditions and the following disclaimer;
11// redistributions in binary form must reproduce the above copyright
12// notice, this list of conditions and the following disclaimer in the
13// documentation and/or other materials provided with the distribution;
14// neither the name of the copyright holders nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Authors: Steve Reinhardt
31// Korey Sewell
32
33let {{
34def LoadStoreBase(name, Name, ea_code, memacc_code, mem_flags, inst_flags,
35 postacc_code = '', base_class = 'Memory',
36 decode_template = BasicDecode, exec_template_base = ''):
37 # Make sure flags are in lists (convert to lists if not).
38 mem_flags = makeList(mem_flags)
39 inst_flags = makeList(inst_flags)
40
41 # add hook to get effective addresses into execution trace output.
42 ea_code += '\nif (traceData) { traceData->setAddr(EA); }\n'
43
44 # Some CPU models execute the memory operation as an atomic unit,
45 # while others want to separate them into an effective address
46 # computation and a memory access operation. As a result, we need
47 # to generate three StaticInst objects. Note that the latter two
48 # are nested inside the larger "atomic" one.
49
50 # Generate InstObjParams for each of the three objects. Note that
51 # they differ only in the set of code objects contained (which in
52 # turn affects the object's overall operand list).
53 iop = InstObjParams(name, Name, base_class,
54 { 'ea_code':ea_code, 'memacc_code':memacc_code, 'postacc_code':postacc_code },
55 inst_flags)
56 ea_iop = InstObjParams(name, Name, base_class,
57 { 'ea_code':ea_code },
58 inst_flags)
59 memacc_iop = InstObjParams(name, Name, base_class,
60 { 'memacc_code':memacc_code, 'postacc_code':postacc_code },
61 inst_flags)
62
63 if mem_flags:
64 mem_flags = [ 'Request::%s' % flag for flag in mem_flags ]
65 s = '\n\tmemAccessFlags.reset(' + string.join(mem_flags, '|') + ');'
65 s = '\n\tmemAccessFlags = ' + string.join(mem_flags, '|') + ';'
66 iop.constructor += s
67 memacc_iop.constructor += s
68
69 # select templates
70
71 # The InitiateAcc template is the same for StoreCond templates as the
72 # corresponding Store template..
73 StoreCondInitiateAcc = StoreInitiateAcc
74
75 memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
76 fullExecTemplate = eval(exec_template_base + 'Execute')
77 initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
78 completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
79 eaCompExecuteTemplate = eval('EACompExecute')
80
81 if (exec_template_base == 'Load' or exec_template_base == 'Store'):
82 memAccSizeTemplate = eval('LoadStoreMemAccSize')
83 else:
84 memAccSizeTemplate = eval('MiscMemAccSize')
85
86 # (header_output, decoder_output, decode_block, exec_output)
87 return (LoadStoreDeclare.subst(iop),
88 EACompConstructor.subst(ea_iop)
89 + MemAccConstructor.subst(memacc_iop)
90 + LoadStoreConstructor.subst(iop),
91 decode_template.subst(iop),
92 eaCompExecuteTemplate.subst(ea_iop)
93 + memAccExecTemplate.subst(memacc_iop)
94 + fullExecTemplate.subst(iop)
95 + initiateAccTemplate.subst(iop)
96 + completeAccTemplate.subst(iop)
97 + memAccSizeTemplate.subst(memacc_iop))
98}};
99
100output header {{
101 std::string inst2string(MachInst machInst);
102}};
103
104output decoder {{
105
106std::string inst2string(MachInst machInst)
107{
108 string str = "";
109 uint32_t mask = 0x80000000;
110
111 for(int i=0; i < 32; i++) {
112 if ((machInst & mask) == 0) {
113 str += "0";
114 } else {
115 str += "1";
116 }
117
118 mask = mask >> 1;
119 }
120
121 return str;
122}
123
124}};
66 iop.constructor += s
67 memacc_iop.constructor += s
68
69 # select templates
70
71 # The InitiateAcc template is the same for StoreCond templates as the
72 # corresponding Store template..
73 StoreCondInitiateAcc = StoreInitiateAcc
74
75 memAccExecTemplate = eval(exec_template_base + 'MemAccExecute')
76 fullExecTemplate = eval(exec_template_base + 'Execute')
77 initiateAccTemplate = eval(exec_template_base + 'InitiateAcc')
78 completeAccTemplate = eval(exec_template_base + 'CompleteAcc')
79 eaCompExecuteTemplate = eval('EACompExecute')
80
81 if (exec_template_base == 'Load' or exec_template_base == 'Store'):
82 memAccSizeTemplate = eval('LoadStoreMemAccSize')
83 else:
84 memAccSizeTemplate = eval('MiscMemAccSize')
85
86 # (header_output, decoder_output, decode_block, exec_output)
87 return (LoadStoreDeclare.subst(iop),
88 EACompConstructor.subst(ea_iop)
89 + MemAccConstructor.subst(memacc_iop)
90 + LoadStoreConstructor.subst(iop),
91 decode_template.subst(iop),
92 eaCompExecuteTemplate.subst(ea_iop)
93 + memAccExecTemplate.subst(memacc_iop)
94 + fullExecTemplate.subst(iop)
95 + initiateAccTemplate.subst(iop)
96 + completeAccTemplate.subst(iop)
97 + memAccSizeTemplate.subst(memacc_iop))
98}};
99
100output header {{
101 std::string inst2string(MachInst machInst);
102}};
103
104output decoder {{
105
106std::string inst2string(MachInst machInst)
107{
108 string str = "";
109 uint32_t mask = 0x80000000;
110
111 for(int i=0; i < 32; i++) {
112 if ((machInst & mask) == 0) {
113 str += "0";
114 } else {
115 str += "1";
116 }
117
118 mask = mask >> 1;
119 }
120
121 return str;
122}
123
124}};