isa.hh (6331:d947798df4a1) isa.hh (6678:34191eea18c1)
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 <string>
35#include <iostream>
36
37#include "arch/alpha/registers.hh"
38#include "arch/alpha/types.hh"
39#include "base/types.hh"
40
41class BaseCPU;
42class Checkpoint;
43class EventManager;
44class ThreadContext;
45
46namespace AlphaISA
47{
48 class ISA
49 {
50 public:
51 typedef uint64_t InternalProcReg;
52
53 protected:
54 uint64_t fpcr; // floating point condition codes
55 uint64_t uniq; // process-unique register
56 bool lock_flag; // lock flag for LL/SC
57 Addr lock_addr; // lock address for LL/SC
58 int intr_flag;
59
60 InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
61
62 protected:
63 InternalProcReg readIpr(int idx, ThreadContext *tc);
64 void setIpr(int idx, InternalProcReg val, ThreadContext *tc);
65
66 public:
67
68 MiscReg readMiscRegNoEffect(int misc_reg, ThreadID tid = 0);
69 MiscReg readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid = 0);
70
71 void setMiscRegNoEffect(int misc_reg, const MiscReg &val,
72 ThreadID tid = 0);
73 void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc,
74 ThreadID tid = 0);
75
76 void
77 clear()
78 {
79 fpcr = 0;
80 uniq = 0;
81 lock_flag = 0;
82 lock_addr = 0;
83 intr_flag = 0;
84 }
85
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 <string>
35#include <iostream>
36
37#include "arch/alpha/registers.hh"
38#include "arch/alpha/types.hh"
39#include "base/types.hh"
40
41class BaseCPU;
42class Checkpoint;
43class EventManager;
44class ThreadContext;
45
46namespace AlphaISA
47{
48 class ISA
49 {
50 public:
51 typedef uint64_t InternalProcReg;
52
53 protected:
54 uint64_t fpcr; // floating point condition codes
55 uint64_t uniq; // process-unique register
56 bool lock_flag; // lock flag for LL/SC
57 Addr lock_addr; // lock address for LL/SC
58 int intr_flag;
59
60 InternalProcReg ipr[NumInternalProcRegs]; // Internal processor regs
61
62 protected:
63 InternalProcReg readIpr(int idx, ThreadContext *tc);
64 void setIpr(int idx, InternalProcReg val, ThreadContext *tc);
65
66 public:
67
68 MiscReg readMiscRegNoEffect(int misc_reg, ThreadID tid = 0);
69 MiscReg readMiscReg(int misc_reg, ThreadContext *tc, ThreadID tid = 0);
70
71 void setMiscRegNoEffect(int misc_reg, const MiscReg &val,
72 ThreadID tid = 0);
73 void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc,
74 ThreadID tid = 0);
75
76 void
77 clear()
78 {
79 fpcr = 0;
80 uniq = 0;
81 lock_flag = 0;
82 lock_addr = 0;
83 intr_flag = 0;
84 }
85
86 void serialize(std::ostream &os);
87 void unserialize(Checkpoint *cp, const std::string &section);
86 void serialize(EventManager *em, std::ostream &os);
87 void unserialize(EventManager *em, Checkpoint *cp,
88 const std::string &section);
88
89 void reset(std::string core_name, ThreadID num_threads,
90 unsigned num_vpes, BaseCPU *_cpu)
91 { }
92
93
94 void expandForMultithreading(ThreadID num_threads, unsigned num_vpes)
95 { }
96
97 int
98 flattenIntIndex(int reg)
99 {
100 return reg;
101 }
102
103 int
104 flattenFloatIndex(int reg)
105 {
106 return reg;
107 }
108
109 ISA()
110 {
111 clear();
112 initializeIprTable();
113 }
114 };
115}
116
117#endif
89
90 void reset(std::string core_name, ThreadID num_threads,
91 unsigned num_vpes, BaseCPU *_cpu)
92 { }
93
94
95 void expandForMultithreading(ThreadID num_threads, unsigned num_vpes)
96 { }
97
98 int
99 flattenIntIndex(int reg)
100 {
101 return reg;
102 }
103
104 int
105 flattenFloatIndex(int reg)
106 {
107 return reg;
108 }
109
110 ISA()
111 {
112 clear();
113 initializeIprTable();
114 }
115 };
116}
117
118#endif