isa.hh (11168:f98eb2da15a4) isa.hh (12106:7784fac1b159)
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_ALPHA_ISA_HH__
32#define __ARCH_ALPHA_ISA_HH__
33
34#include <cstring>
35#include <iostream>
36#include <string>
37
38#include "arch/alpha/registers.hh"
39#include "arch/alpha/types.hh"
40#include "base/types.hh"
1/*
2 * Copyright (c) 2009 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 */
30
31#ifndef __ARCH_ALPHA_ISA_HH__
32#define __ARCH_ALPHA_ISA_HH__
33
34#include <cstring>
35#include <iostream>
36#include <string>
37
38#include "arch/alpha/registers.hh"
39#include "arch/alpha/types.hh"
40#include "base/types.hh"
41#include "cpu/reg_class.hh"
41#include "sim/sim_object.hh"
42#include "sim/system.hh"
43
44struct AlphaISAParams;
45class BaseCPU;
46class Checkpoint;
47class EventManager;
48class ThreadContext;
49
50namespace AlphaISA
51{
52 class ISA : public SimObject
53 {
54 public:
55 typedef uint64_t InternalProcReg;
56 typedef AlphaISAParams Params;
57
58 protected:
59 // Parent system
60 System *system;
61
62 uint64_t fpcr; // floating point condition codes
63 uint64_t uniq; // process-unique register
64 bool lock_flag; // lock flag for LL/SC
65 Addr lock_addr; // lock address for LL/SC
66 int intr_flag;
67
68 InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
69
70 protected:
71 InternalProcReg readIpr(int idx, ThreadContext *tc);
72 void setIpr(int idx, InternalProcReg val, ThreadContext *tc);
73
74 public:
75
76 MiscReg readMiscRegNoEffect(int misc_reg, ThreadID tid = 0) const;
77 MiscReg readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid = 0);
78
79 void setMiscRegNoEffect(int misc_reg, const MiscReg &val,
80 ThreadID tid = 0);
81 void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc,
82 ThreadID tid = 0);
83
84 void
85 clear()
86 {
87 fpcr = 0;
88 uniq = 0;
89 lock_flag = 0;
90 lock_addr = 0;
91 intr_flag = 0;
92 memset(ipr, 0, sizeof(ipr));
93 }
94
95 void serialize(CheckpointOut &cp) const override;
96 void unserialize(CheckpointIn &cp) override;
97
42#include "sim/sim_object.hh"
43#include "sim/system.hh"
44
45struct AlphaISAParams;
46class BaseCPU;
47class Checkpoint;
48class EventManager;
49class ThreadContext;
50
51namespace AlphaISA
52{
53 class ISA : public SimObject
54 {
55 public:
56 typedef uint64_t InternalProcReg;
57 typedef AlphaISAParams Params;
58
59 protected:
60 // Parent system
61 System *system;
62
63 uint64_t fpcr; // floating point condition codes
64 uint64_t uniq; // process-unique register
65 bool lock_flag; // lock flag for LL/SC
66 Addr lock_addr; // lock address for LL/SC
67 int intr_flag;
68
69 InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
70
71 protected:
72 InternalProcReg readIpr(int idx, ThreadContext *tc);
73 void setIpr(int idx, InternalProcReg val, ThreadContext *tc);
74
75 public:
76
77 MiscReg readMiscRegNoEffect(int misc_reg, ThreadID tid = 0) const;
78 MiscReg readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid = 0);
79
80 void setMiscRegNoEffect(int misc_reg, const MiscReg &val,
81 ThreadID tid = 0);
82 void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc,
83 ThreadID tid = 0);
84
85 void
86 clear()
87 {
88 fpcr = 0;
89 uniq = 0;
90 lock_flag = 0;
91 lock_addr = 0;
92 intr_flag = 0;
93 memset(ipr, 0, sizeof(ipr));
94 }
95
96 void serialize(CheckpointOut &cp) const override;
97 void unserialize(CheckpointIn &cp) override;
98
99 RegId flattenRegId(const RegId& regId) const { return regId; }
100
98 int
99 flattenIntIndex(int reg) const
100 {
101 return reg;
102 }
103
104 int
105 flattenFloatIndex(int reg) const
106 {
107 return reg;
108 }
109
110 // dummy
111 int
112 flattenCCIndex(int reg) const
113 {
114 return reg;
115 }
116
117 int
118 flattenMiscIndex(int reg) const
119 {
120 return reg;
121 }
122
123 const Params *params() const;
124
125 ISA(Params *p);
126
127 void startup(ThreadContext *tc) {}
128
129 /// Explicitly import the otherwise hidden startup
130 using SimObject::startup;
131 };
132}
133
134#endif
101 int
102 flattenIntIndex(int reg) const
103 {
104 return reg;
105 }
106
107 int
108 flattenFloatIndex(int reg) const
109 {
110 return reg;
111 }
112
113 // dummy
114 int
115 flattenCCIndex(int reg) const
116 {
117 return reg;
118 }
119
120 int
121 flattenMiscIndex(int reg) const
122 {
123 return reg;
124 }
125
126 const Params *params() const;
127
128 ISA(Params *p);
129
130 void startup(ThreadContext *tc) {}
131
132 /// Explicitly import the otherwise hidden startup
133 using SimObject::startup;
134 };
135}
136
137#endif