macromem.isa (7169:6cc400372260) macromem.isa (7170:6f97f5107abe)
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
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Stephen Hines
42// Gabe Black
43
44////////////////////////////////////////////////////////////////////
45//
46// Load/store microops
47//
48
49let {{
50 predicateTest = 'testPredicate(CondCodes, condCode)'
51}};
52
53let {{
54 microLdrUopIop = InstObjParams('ldr_uop', 'MicroLdrUop',
55 'MicroMemOp',
56 {'memacc_code': 'Ra = Mem;',
57 'ea_code': 'EA = Rb + (up ? imm : -imm);',
58 'predicate_test': predicateTest},
59 ['IsMicroop'])
60
61 microLdrRetUopCode = '''
62 Ra = Mem;
63 uint32_t newCpsr =
64 cpsrWriteByInstr(Cpsr | CondCodes, Spsr, 0xF, true);
65 Cpsr = ~CondCodesMask & newCpsr;
66 CondCodes = CondCodesMask & newCpsr;
67 '''
68 microLdrRetUopIop = InstObjParams('ldr_ret_uop', 'MicroLdrRetUop',
69 'MicroMemOp',
70 {'memacc_code': microLdrRetUopCode,
71 'ea_code':
72 'EA = Rb + (up ? imm : -imm);',
73 'predicate_test': predicateTest},
74 ['IsMicroop'])
75
76 microStrUopIop = InstObjParams('str_uop', 'MicroStrUop',
77 'MicroMemOp',
78 {'memacc_code': 'Mem = Ra;',
79 'ea_code': 'EA = Rb + (up ? imm : -imm);',
80 'predicate_test': predicateTest},
81 ['IsMicroop'])
82
83 header_output = MicroMemDeclare.subst(microLdrUopIop) + \
84 MicroMemDeclare.subst(microLdrRetUopIop) + \
85 MicroMemDeclare.subst(microStrUopIop)
86 decoder_output = MicroMemConstructor.subst(microLdrUopIop) + \
87 MicroMemConstructor.subst(microLdrRetUopIop) + \
88 MicroMemConstructor.subst(microStrUopIop)
89 exec_output = LoadExecute.subst(microLdrUopIop) + \
90 LoadExecute.subst(microLdrRetUopIop) + \
91 StoreExecute.subst(microStrUopIop) + \
92 LoadInitiateAcc.subst(microLdrUopIop) + \
93 LoadInitiateAcc.subst(microLdrRetUopIop) + \
94 StoreInitiateAcc.subst(microStrUopIop) + \
95 LoadCompleteAcc.subst(microLdrUopIop) + \
96 LoadCompleteAcc.subst(microLdrRetUopIop) + \
97 StoreCompleteAcc.subst(microStrUopIop)
98}};
99
100////////////////////////////////////////////////////////////////////
101//
102// Integer = Integer op Immediate microops
103//
104
105let {{
106 microAddiUopIop = InstObjParams('addi_uop', 'MicroAddiUop',
107 'MicroIntOp',
108 {'code': 'Ra = Rb + imm;',
109 'predicate_test': predicateTest},
110 ['IsMicroop'])
111
112 microSubiUopIop = InstObjParams('subi_uop', 'MicroSubiUop',
113 'MicroIntOp',
114 {'code': 'Ra = Rb - imm;',
115 'predicate_test': predicateTest},
116 ['IsMicroop'])
117
118 header_output = MicroIntDeclare.subst(microAddiUopIop) + \
119 MicroIntDeclare.subst(microSubiUopIop)
120 decoder_output = MicroIntConstructor.subst(microAddiUopIop) + \
121 MicroIntConstructor.subst(microSubiUopIop)
122 exec_output = PredOpExecute.subst(microAddiUopIop) + \
123 PredOpExecute.subst(microSubiUopIop)
124}};
125
126let {{
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
9// to a hardware implementation of the functionality of the software
10// licensed hereunder. You may use the software subject to the license
11// terms below provided that you ensure that this notice is replicated
12// unmodified and in its entirety in all distributions of the software,
13// modified or unmodified, in source code or in binary form.
14//
15// Copyright (c) 2007-2008 The Florida State University
16// All rights reserved.
17//
18// Redistribution and use in source and binary forms, with or without
19// modification, are permitted provided that the following conditions are
20// met: redistributions of source code must retain the above copyright
21// notice, this list of conditions and the following disclaimer;
22// redistributions in binary form must reproduce the above copyright
23// notice, this list of conditions and the following disclaimer in the
24// documentation and/or other materials provided with the distribution;
25// neither the name of the copyright holders nor the names of its
26// contributors may be used to endorse or promote products derived from
27// this software without specific prior written permission.
28//
29// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40//
41// Authors: Stephen Hines
42// Gabe Black
43
44////////////////////////////////////////////////////////////////////
45//
46// Load/store microops
47//
48
49let {{
50 predicateTest = 'testPredicate(CondCodes, condCode)'
51}};
52
53let {{
54 microLdrUopIop = InstObjParams('ldr_uop', 'MicroLdrUop',
55 'MicroMemOp',
56 {'memacc_code': 'Ra = Mem;',
57 'ea_code': 'EA = Rb + (up ? imm : -imm);',
58 'predicate_test': predicateTest},
59 ['IsMicroop'])
60
61 microLdrRetUopCode = '''
62 Ra = Mem;
63 uint32_t newCpsr =
64 cpsrWriteByInstr(Cpsr | CondCodes, Spsr, 0xF, true);
65 Cpsr = ~CondCodesMask & newCpsr;
66 CondCodes = CondCodesMask & newCpsr;
67 '''
68 microLdrRetUopIop = InstObjParams('ldr_ret_uop', 'MicroLdrRetUop',
69 'MicroMemOp',
70 {'memacc_code': microLdrRetUopCode,
71 'ea_code':
72 'EA = Rb + (up ? imm : -imm);',
73 'predicate_test': predicateTest},
74 ['IsMicroop'])
75
76 microStrUopIop = InstObjParams('str_uop', 'MicroStrUop',
77 'MicroMemOp',
78 {'memacc_code': 'Mem = Ra;',
79 'ea_code': 'EA = Rb + (up ? imm : -imm);',
80 'predicate_test': predicateTest},
81 ['IsMicroop'])
82
83 header_output = MicroMemDeclare.subst(microLdrUopIop) + \
84 MicroMemDeclare.subst(microLdrRetUopIop) + \
85 MicroMemDeclare.subst(microStrUopIop)
86 decoder_output = MicroMemConstructor.subst(microLdrUopIop) + \
87 MicroMemConstructor.subst(microLdrRetUopIop) + \
88 MicroMemConstructor.subst(microStrUopIop)
89 exec_output = LoadExecute.subst(microLdrUopIop) + \
90 LoadExecute.subst(microLdrRetUopIop) + \
91 StoreExecute.subst(microStrUopIop) + \
92 LoadInitiateAcc.subst(microLdrUopIop) + \
93 LoadInitiateAcc.subst(microLdrRetUopIop) + \
94 StoreInitiateAcc.subst(microStrUopIop) + \
95 LoadCompleteAcc.subst(microLdrUopIop) + \
96 LoadCompleteAcc.subst(microLdrRetUopIop) + \
97 StoreCompleteAcc.subst(microStrUopIop)
98}};
99
100////////////////////////////////////////////////////////////////////
101//
102// Integer = Integer op Immediate microops
103//
104
105let {{
106 microAddiUopIop = InstObjParams('addi_uop', 'MicroAddiUop',
107 'MicroIntOp',
108 {'code': 'Ra = Rb + imm;',
109 'predicate_test': predicateTest},
110 ['IsMicroop'])
111
112 microSubiUopIop = InstObjParams('subi_uop', 'MicroSubiUop',
113 'MicroIntOp',
114 {'code': 'Ra = Rb - imm;',
115 'predicate_test': predicateTest},
116 ['IsMicroop'])
117
118 header_output = MicroIntDeclare.subst(microAddiUopIop) + \
119 MicroIntDeclare.subst(microSubiUopIop)
120 decoder_output = MicroIntConstructor.subst(microAddiUopIop) + \
121 MicroIntConstructor.subst(microSubiUopIop)
122 exec_output = PredOpExecute.subst(microAddiUopIop) + \
123 PredOpExecute.subst(microSubiUopIop)
124}};
125
126let {{
127 iop = InstObjParams("ldmstm", "LdmStm", 'PredMacroOp', "", [])
127 iop = InstObjParams("ldmstm", "LdmStm", 'MacroMemOp', "", [])
128 header_output = MacroMemDeclare.subst(iop)
129 decoder_output = MacroMemConstructor.subst(iop)
130}};
128 header_output = MacroMemDeclare.subst(iop)
129 decoder_output = MacroMemConstructor.subst(iop)
130}};