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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* This file is part of SIS.
*
* ERC32SIM, SPARC instruction simulator. Copyright (C) 1995 Jiri Gaisler,
* European Space Agency
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 675
* Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "ansidecl.h"
#include "callback.h"
#include "remote-sim.h"
#include "end.h"
#define I_ACC_EXC 1
/* Maximum events in event queue */
#define EVENT_MAX 256
/* Maximum # of floating point queue */
#define FPUQN 1
/* Maximum # of breakpoints */
#define BPT_MAX 256
struct histype {
unsigned addr;
unsigned time;
};
/* type definitions */
typedef short int int16; /* 16-bit signed int */
typedef unsigned short int uint16; /* 16-bit unsigned int */
typedef int int32; /* 32-bit signed int */
typedef unsigned int uint32; /* 32-bit unsigned int */
typedef float float32; /* 32-bit float */
typedef double float64; /* 64-bit float */
struct pstate {
float64 fd[16]; /* FPU registers */
#ifdef HOST_LITTLE_ENDIAN_FLOAT
float32 fs[32];
float32 *fdp;
#else
float32 *fs;
#endif
int32 *fsi;
uint32 fsr;
int32 fpstate;
uint32 fpq[FPUQN * 2];
uint32 fpqn;
uint32 ftime;
uint32 flrd;
uint32 frd;
uint32 frs1;
uint32 frs2;
uint32 fpu_pres; /* FPU present (0 = No, 1 = Yes) */
uint32 psr; /* IU registers */
uint32 tbr;
uint32 wim;
uint32 g[8];
uint32 r[128];
uint32 y;
uint32 pc, npc;
uint32 trap; /* Current trap type */
uint32 annul; /* Instruction annul */
uint32 data; /* Loaded data */
uint32 inst; /* Current instruction */
uint32 asi; /* Current ASI */
uint32 err_mode; /* IU error mode */
uint32 breakpoint;
uint32 bptnum;
uint32 bphit;
uint32 bpts[BPT_MAX]; /* Breakpoints */
uint32 ltime; /* Load interlock time */
uint32 hold; /* IU hold cycles in current inst */
uint32 fhold; /* FPU hold cycles in current inst */
uint32 icnt; /* Instruction cycles in curr inst */
uint32 histlen; /* Trace history management */
uint32 histind;
struct histype *histbuf;
float32 freq; /* Simulated processor frequency */
uint32 tottime;
uint32 ninst;
uint32 fholdt;
uint32 holdt;
uint32 icntt;
uint32 finst;
uint32 simstart;
uint32 starttime;
uint32 pwdtime; /* Cycles in power-down mode */
uint32 nstore; /* Number of load instructions */
uint32 nload; /* Number of store instructions */
uint32 nannul; /* Number of annuled instructions */
uint32 nbranch; /* Number of branch instructions */
uint32 ildreg; /* Destination of last load instruction */
uint32 ildtime; /* Last time point for load dependency */
int rett_err; /* IU in jmpl/restore error state (Rev.0) */
int jmpltime;
};
struct evcell {
void (*cfunc) ();
int32 arg;
uint32 time;
struct evcell *nxt;
};
struct estate {
struct evcell eq;
struct evcell *freeq;
uint32 simtime;
};
struct irqcell {
void (*callback) ();
int32 arg;
};
#define OK 0
#define TIME_OUT 1
#define BPT_HIT 2
#define ERROR 3
#define CTRL_C 4
|
