OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [mn10300/] [gencode.c] - Blame information for rev 1775

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1181 sfurman
#include "mn10300_sim.h"
2
 
3
static void write_header PARAMS ((void));
4
static void write_opcodes PARAMS ((void));
5
static void write_template PARAMS ((void));
6
 
7
long Opcodes[512];
8
static int curop=0;
9
 
10
int
11
main (argc, argv)
12
     int argc;
13
     char *argv[];
14
{
15
  if ((argc > 1) && (strcmp (argv[1], "-h") == 0))
16
    write_header();
17
  else if ((argc > 1) && (strcmp (argv[1], "-t") == 0))
18
    write_template ();
19
  else
20
    write_opcodes();
21
  return 0;
22
}
23
 
24
 
25
static void
26
write_header ()
27
{
28
  struct mn10300_opcode *opcode;
29
 
30
  for (opcode = (struct mn10300_opcode *)mn10300_opcodes; opcode->name; opcode++)
31
    printf("void OP_%X PARAMS ((unsigned long, unsigned long));\t\t/* %s */\n",
32
           opcode->opcode, opcode->name);
33
}
34
 
35
 
36
/* write_template creates a file all required functions, ready */
37
/* to be filled out */
38
 
39
static void
40
write_template ()
41
{
42
  struct mn10300_opcode *opcode;
43
  int i,j;
44
 
45
  printf ("#include \"mn10300_sim.h\"\n");
46
  printf ("#include \"simops.h\"\n");
47
 
48
  for (opcode = (struct mn10300_opcode *)mn10300_opcodes; opcode->name; opcode++)
49
    {
50
      printf("/* %s */\nvoid\nOP_%X (insn, extension)\n     unsigned long insn, extension;\n{\n", opcode->name, opcode->opcode);
51
 
52
      /* count operands */
53
      j = 0;
54
      for (i = 0; i < 6; i++)
55
        {
56
          int flags = mn10300_operands[opcode->operands[i]].flags;
57
 
58
          if (flags)
59
            j++;
60
        }
61
      switch (j)
62
        {
63
        case 0:
64
          printf ("printf(\"   %s\\n\");\n", opcode->name);
65
          break;
66
        case 1:
67
          printf ("printf(\"   %s\\t%%x\\n\", OP[0]);\n", opcode->name);
68
          break;
69
        case 2:
70
          printf ("printf(\"   %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",
71
                  opcode->name);
72
          break;
73
        case 3:
74
          printf ("printf(\"   %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",
75
                  opcode->name);
76
          break;
77
        default:
78
          fprintf (stderr,"Too many operands: %d\n", j);
79
        }
80
      printf ("}\n\n");
81
    }
82
}
83
 
84
static void
85
write_opcodes ()
86
{
87
  struct mn10300_opcode *opcode;
88
  int i, j;
89
  int numops;
90
 
91
  /* write out opcode table */
92
  printf ("#include \"mn10300_sim.h\"\n");
93
  printf ("#include \"simops.h\"\n\n");
94
  printf ("struct simops Simops[] = {\n");
95
 
96
  for (opcode = (struct mn10300_opcode *)mn10300_opcodes; opcode->name; opcode++)
97
    {
98
      int size;
99
 
100
      if (opcode->format == FMT_S0)
101
        size = 1;
102
      else if (opcode->format == FMT_S1
103
               || opcode->format == FMT_D0)
104
        size = 2;
105
      else if (opcode->format == FMT_S2
106
               || opcode->format == FMT_D1)
107
        size = 3;
108
      else if (opcode->format == FMT_S4)
109
        size = 5;
110
      else if (opcode->format == FMT_D2)
111
        size = 4;
112
      else if (opcode->format == FMT_D4)
113
        size = 6;
114
      else
115
        size = 7;
116
 
117
      printf ("  { 0x%x,0x%x,OP_%X,%d,%d,",
118
              opcode->opcode, opcode->mask, opcode->opcode,
119
              size, opcode->format);
120
 
121
      Opcodes[curop++] = opcode->opcode;
122
 
123
      /* count operands */
124
      j = 0;
125
      for (i = 0; i < 6; i++)
126
        {
127
          int flags = mn10300_operands[opcode->operands[i]].flags;
128
 
129
          if (flags)
130
            j++;
131
        }
132
      printf ("%d,{",j);
133
 
134
      j = 0;
135
      numops = 0;
136
      for (i = 0; i < 6; i++)
137
        {
138
          int flags = mn10300_operands[opcode->operands[i]].flags;
139
          int shift = mn10300_operands[opcode->operands[i]].shift;
140
 
141
          if (flags)
142
            {
143
              if (j)
144
                printf (", ");
145
              printf ("%d,%d,%d", shift,
146
                      mn10300_operands[opcode->operands[i]].bits,flags);
147
              j = 1;
148
              numops++;
149
            }
150
        }
151
 
152
      switch (numops)
153
        {
154
        case 0:
155
          printf ("0,0,0");
156
        case 1:
157
          printf (",0,0,0");
158
        }
159
 
160
      printf ("}},\n");
161
    }
162
  printf ("{ 0,0,NULL,0,0,0,{0,0,0,0,0,0}},\n};\n");
163
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.