1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
| 1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
|
5 * Redistribution and use of this software in source and binary forms,
6 * with or without modification, are permitted provided that the
7 * following conditions are met:
| 5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
|
8 *
| 13 *
|
9 * The software must be used only for Non-Commercial Use which means any
10 * use which is NOT directed to receiving any direct monetary
11 * compensation for, or commercial advantage from such use. Illustrative
12 * examples of non-commercial use are academic research, personal study,
13 * teaching, education and corporate research & development.
14 * Illustrative examples of commercial use are distributing products for
15 * commercial advantage and providing services using the software for
16 * commercial advantage.
17 *
18 * If you wish to use this software or functionality therein that may be
19 * covered by patents for commercial use, please contact:
20 * Director of Intellectual Property Licensing
21 * Office of Strategy and Technology
22 * Hewlett-Packard Company
23 * 1501 Page Mill Road
24 * Palo Alto, California 94304
25 *
26 * Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer. Redistributions
28 * in binary form must reproduce the above copyright notice, this list of
29 * conditions and the following disclaimer in the documentation and/or
30 * other materials provided with the distribution. Neither the name of
31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
| 14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
|
32 * contributors may be used to endorse or promote products derived from
| 22 * contributors may be used to endorse or promote products derived from
|
33 * this software without specific prior written permission. No right of
34 * sublicense is granted herewith. Derivatives of the software and
35 * output created using the software may be prepared, but only for
36 * Non-Commercial Uses. Derivatives of the software may be shared with
37 * others provided: (i) the others agree to abide by the list of
38 * conditions herein which includes the Non-Commercial Use restrictions;
39 * and (ii) such Derivatives of the software include the above copyright
40 * notice to acknowledge the contribution from this software where
41 * applicable, this list of conditions and the disclaimer below.
| 23 * this software without specific prior written permission.
|
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 *
55 * Authors: Gabe Black
56 */
57
58#include "arch/x86/insts/microop.hh"
59#include "arch/x86/miscregs.hh"
60
61namespace X86ISA
62{
63
64 bool X86MicroopBase::checkCondition(uint64_t flags, int condition) const
65 {
66 CCFlagBits ccflags = flags;
67 switch(condition)
68 {
69 case ConditionTests::True:
70 return true;
71 case ConditionTests::ECF:
72 return ccflags.ecf;
73 case ConditionTests::EZF:
74 return ccflags.ezf;
75 case ConditionTests::SZnZF:
76 return !(!ccflags.ezf & ccflags.zf);
77 case ConditionTests::MSTRZ:
78 panic("This condition is not implemented!");
79 case ConditionTests::STRZ:
80 panic("This condition is not implemented!");
81 case ConditionTests::MSTRC:
82 panic("This condition is not implemented!");
83 case ConditionTests::STRZnEZF:
84 return !ccflags.ezf & ccflags.zf;
85 //And no interrupts or debug traps are waiting
86 case ConditionTests::OF:
87 return ccflags.of;
88 case ConditionTests::CF:
89 return ccflags.cf;
90 case ConditionTests::ZF:
91 return ccflags.zf;
92 case ConditionTests::CvZF:
93 return ccflags.cf | ccflags.zf;
94 case ConditionTests::SF:
95 return ccflags.sf;
96 case ConditionTests::PF:
97 return ccflags.pf;
98 case ConditionTests::SxOF:
99 return ccflags.sf ^ ccflags.of;
100 case ConditionTests::SxOvZF:
101 return (ccflags.sf ^ ccflags.of) | ccflags.zf;
102 case ConditionTests::False:
103 return false;
104 case ConditionTests::NotECF:
105 return !ccflags.ecf;
106 case ConditionTests::NotEZF:
107 return !ccflags.ezf;
108 case ConditionTests::NotSZnZF:
109 return !ccflags.ezf & ccflags.zf;
110 case ConditionTests::NotMSTRZ:
111 panic("This condition is not implemented!");
112 case ConditionTests::NotSTRZ:
113 panic("This condition is not implemented!");
114 case ConditionTests::NotMSTRC:
115 panic("This condition is not implemented!");
116 case ConditionTests::STRnZnEZF:
117 return !ccflags.ezf & !ccflags.zf;
118 //And no interrupts or debug traps are waiting
119 case ConditionTests::NotOF:
120 return !ccflags.of;
121 case ConditionTests::NotCF:
122 return !ccflags.cf;
123 case ConditionTests::NotZF:
124 return !ccflags.zf;
125 case ConditionTests::NotCvZF:
126 return !(ccflags.cf | ccflags.zf);
127 case ConditionTests::NotSF:
128 return !ccflags.sf;
129 case ConditionTests::NotPF:
130 return !ccflags.pf;
131 case ConditionTests::NotSxOF:
132 return !(ccflags.sf ^ ccflags.of);
133 case ConditionTests::NotSxOvZF:
134 return !((ccflags.sf ^ ccflags.of) | ccflags.zf);
135 }
136 panic("Unknown condition: %d\n", condition);
137 return true;
138 }
139}
| 24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Gabe Black
38 */
39
40#include "arch/x86/insts/microop.hh"
41#include "arch/x86/miscregs.hh"
42
43namespace X86ISA
44{
45
46 bool X86MicroopBase::checkCondition(uint64_t flags, int condition) const
47 {
48 CCFlagBits ccflags = flags;
49 switch(condition)
50 {
51 case ConditionTests::True:
52 return true;
53 case ConditionTests::ECF:
54 return ccflags.ecf;
55 case ConditionTests::EZF:
56 return ccflags.ezf;
57 case ConditionTests::SZnZF:
58 return !(!ccflags.ezf & ccflags.zf);
59 case ConditionTests::MSTRZ:
60 panic("This condition is not implemented!");
61 case ConditionTests::STRZ:
62 panic("This condition is not implemented!");
63 case ConditionTests::MSTRC:
64 panic("This condition is not implemented!");
65 case ConditionTests::STRZnEZF:
66 return !ccflags.ezf & ccflags.zf;
67 //And no interrupts or debug traps are waiting
68 case ConditionTests::OF:
69 return ccflags.of;
70 case ConditionTests::CF:
71 return ccflags.cf;
72 case ConditionTests::ZF:
73 return ccflags.zf;
74 case ConditionTests::CvZF:
75 return ccflags.cf | ccflags.zf;
76 case ConditionTests::SF:
77 return ccflags.sf;
78 case ConditionTests::PF:
79 return ccflags.pf;
80 case ConditionTests::SxOF:
81 return ccflags.sf ^ ccflags.of;
82 case ConditionTests::SxOvZF:
83 return (ccflags.sf ^ ccflags.of) | ccflags.zf;
84 case ConditionTests::False:
85 return false;
86 case ConditionTests::NotECF:
87 return !ccflags.ecf;
88 case ConditionTests::NotEZF:
89 return !ccflags.ezf;
90 case ConditionTests::NotSZnZF:
91 return !ccflags.ezf & ccflags.zf;
92 case ConditionTests::NotMSTRZ:
93 panic("This condition is not implemented!");
94 case ConditionTests::NotSTRZ:
95 panic("This condition is not implemented!");
96 case ConditionTests::NotMSTRC:
97 panic("This condition is not implemented!");
98 case ConditionTests::STRnZnEZF:
99 return !ccflags.ezf & !ccflags.zf;
100 //And no interrupts or debug traps are waiting
101 case ConditionTests::NotOF:
102 return !ccflags.of;
103 case ConditionTests::NotCF:
104 return !ccflags.cf;
105 case ConditionTests::NotZF:
106 return !ccflags.zf;
107 case ConditionTests::NotCvZF:
108 return !(ccflags.cf | ccflags.zf);
109 case ConditionTests::NotSF:
110 return !ccflags.sf;
111 case ConditionTests::NotPF:
112 return !ccflags.pf;
113 case ConditionTests::NotSxOF:
114 return !(ccflags.sf ^ ccflags.of);
115 case ConditionTests::NotSxOvZF:
116 return !((ccflags.sf ^ ccflags.of) | ccflags.zf);
117 }
118 panic("Unknown condition: %d\n", condition);
119 return true;
120 }
121}
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