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// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41 sdivCode = '''
42 if (Op2.sw == 0) {
43 if (((SCTLR)Sctlr).dz) {
44#if FULL_SYSTEM
45 return new UndefinedInstruction;
46#else
47 return new UndefinedInstruction(false, mnemonic);
48#endif
49 }
50 Dest.sw = 0;
51 } else if (Op1.sw == INT_MIN && Op2.sw == -1) {
52 Dest.sw = INT_MIN;
53 } else {
54 Dest.sw = Op1.sw / Op2.sw;
55 }
56 '''
57 sdivIop = InstObjParams("sdiv", "Sdiv", "RegRegRegOp",
58 { "code": sdivCode,
| 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// Redistribution and use in source and binary forms, with or without
16// modification, are permitted provided that the following conditions are
17// met: redistributions of source code must retain the above copyright
18// notice, this list of conditions and the following disclaimer;
19// redistributions in binary form must reproduce the above copyright
20// notice, this list of conditions and the following disclaimer in the
21// documentation and/or other materials provided with the distribution;
22// neither the name of the copyright holders nor the names of its
23// contributors may be used to endorse or promote products derived from
24// this software without specific prior written permission.
25//
26// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37//
38// Authors: Gabe Black
39
40let {{
41 sdivCode = '''
42 if (Op2.sw == 0) {
43 if (((SCTLR)Sctlr).dz) {
44#if FULL_SYSTEM
45 return new UndefinedInstruction;
46#else
47 return new UndefinedInstruction(false, mnemonic);
48#endif
49 }
50 Dest.sw = 0;
51 } else if (Op1.sw == INT_MIN && Op2.sw == -1) {
52 Dest.sw = INT_MIN;
53 } else {
54 Dest.sw = Op1.sw / Op2.sw;
55 }
56 '''
57 sdivIop = InstObjParams("sdiv", "Sdiv", "RegRegRegOp",
58 { "code": sdivCode,
|
60 header_output = RegRegRegOpDeclare.subst(sdivIop)
61 decoder_output = RegRegRegOpConstructor.subst(sdivIop)
62 exec_output = PredOpExecute.subst(sdivIop)
63
64 udivCode = '''
65 if (Op2.uw == 0) {
66 if (((SCTLR)Sctlr).dz) {
67#if FULL_SYSTEM
68 return new UndefinedInstruction;
69#else
70 return new UndefinedInstruction(false, mnemonic);
71#endif
72 }
73 Dest.uw = 0;
74 } else {
75 Dest.uw = Op1.uw / Op2.uw;
76 }
77 '''
78 udivIop = InstObjParams("udiv", "Udiv", "RegRegRegOp",
79 { "code": udivCode,
| 61 header_output = RegRegRegOpDeclare.subst(sdivIop)
62 decoder_output = RegRegRegOpConstructor.subst(sdivIop)
63 exec_output = PredOpExecute.subst(sdivIop)
64
65 udivCode = '''
66 if (Op2.uw == 0) {
67 if (((SCTLR)Sctlr).dz) {
68#if FULL_SYSTEM
69 return new UndefinedInstruction;
70#else
71 return new UndefinedInstruction(false, mnemonic);
72#endif
73 }
74 Dest.uw = 0;
75 } else {
76 Dest.uw = Op1.uw / Op2.uw;
77 }
78 '''
79 udivIop = InstObjParams("udiv", "Udiv", "RegRegRegOp",
80 { "code": udivCode,
|