1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
*/
/**
* @file
* Defines global host-dependent types:
* Counter, Tick, and (indirectly) {int,uint}{8,16,32,64}_t.
*/
#ifndef __BASE_TYPES_HH__
#define __BASE_TYPES_HH__
#include <inttypes.h>
/** uint64_t constant */
#define ULL(N) ((uint64_t)N##ULL)
/** int64_t constant */
#define LL(N) ((int64_t)N##LL)
/** Statistics counter type. Not much excuse for not using a 64-bit
* integer here, but if you're desperate and only run short
* simulations you could make this 32 bits.
*/
typedef int64_t Counter;
/**
* Clock cycle count type.
* @note using an unsigned breaks the cache.
*/
typedef int64_t Tick;
typedef uint64_t UTick;
const Tick MaxTick = LL(0x7fffffffffffffff);
/**
* Address type
* This will probably be moved somewhere else in the near future.
* This should be at least as big as the biggest address width in use
* in the system, which will probably be 64 bits.
*/
typedef uint64_t Addr;
typedef uint16_t MicroPC;
static const MicroPC MicroPCRomBit = 1 << (sizeof(MicroPC) * 8 - 1);
static inline MicroPC
romMicroPC(MicroPC upc)
{
return upc | MicroPCRomBit;
}
static inline MicroPC
normalMicroPC(MicroPC upc)
{
return upc & ~MicroPCRomBit;
}
static inline bool
isRomMicroPC(MicroPC upc)
{
return MicroPCRomBit & upc;
}
const Addr MaxAddr = (Addr)-1;
/**
* Thread index/ID type
*/
typedef int16_t ThreadID;
const ThreadID InvalidThreadID = (ThreadID)-1;
class FaultBase;
template <class T> class RefCountingPtr;
typedef RefCountingPtr<FaultBase> Fault;
#endif // __BASE_TYPES_HH__
|
