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

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [sim/] [d10v/] [gencode.c] - Blame information for rev 300

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

Line No. Rev Author Line
1 227 jeremybenn 
#include "config.h"
2 
#include <stdio.h>
3 
#include <ctype.h>
4 
#include <limits.h>
5 
#include "ansidecl.h"
6 
#include "opcode/d10v.h"
7 
 
8 
static void write_header PARAMS ((void));
9 
static void write_opcodes PARAMS ((void));
10 
static void write_template PARAMS ((void));
11 
 
12 
int
13 
main (argc, argv)
14 
     int argc;
15 
     char *argv[];
16 
{
17 
  if ((argc > 1) && (strcmp (argv[1],"-h") == 0))
18 
    write_header();
19 
  else if ((argc > 1) && (strcmp (argv[1],"-t") == 0))
20 
    write_template ();
21 
  else
22 
    write_opcodes();
23 
  return 0;
24 
}
25 
 
26 
 
27 
static void
28 
write_header ()
29 
{
30 
  struct d10v_opcode *opcode;
31 
 
32 
  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
33 
    if (opcode->format != OPCODE_FAKE)
34 
      printf("void OP_%X PARAMS ((void));\t\t/* %s */\n",opcode->opcode, opcode->name);
35 
}
36 
 
37 
 
38 
/* write_template creates a file all required functions, ready */
39 
/* to be filled out */
40 
 
41 
static void
42 
write_template ()
43 
{
44 
  struct d10v_opcode *opcode;
45 
  int i,j;
46 
 
47 
  printf ("#include \"d10v_sim.h\"\n");
48 
  printf ("#include \"simops.h\"\n");
49 
 
50 
  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
51 
    {
52 
      if (opcode->format != OPCODE_FAKE)
53 
        {
54 
          printf("/* %s */\nvoid\nOP_%X ()\n{\n",opcode->name,opcode->opcode);
55 
 
56 
          /* count operands */
57 
          j = 0;
58 
          for (i=0;i<6;i++)
59 
            {
60 
              int flags = d10v_operands[opcode->operands[i]].flags;
61 
              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
62 
                j++;
63 
            }
64 
          switch (j)
65 
            {
66 
            case 0:
67 
              printf ("printf(\"   %s\\n\");\n",opcode->name);
68 
              break;
69 
            case 1:
70 
              printf ("printf(\"   %s\\t%%x\\n\",OP[0]);\n",opcode->name);
71 
              break;
72 
            case 2:
73 
              printf ("printf(\"   %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",opcode->name);
74 
              break;
75 
            case 3:
76 
              printf ("printf(\"   %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",opcode->name);
77 
              break;
78 
            default:
79 
              fprintf (stderr,"Too many operands: %d\n",j);
80 
            }
81 
          printf ("}\n\n");
82 
        }
83 
    }
84 
}
85 
 
86 
 
87 
long Opcodes[512];
88 
static int curop=0;
89 
 
90 
check_opcodes( long op)
91 
{
92 
  int i;
93 
 
94 
  for (i=0;i<curop;i++)
95 
    if (Opcodes[i] == op)
96 
      fprintf(stderr,"DUPLICATE OPCODES: %x\n",op);
97 
}
98 
 
99 
 
100 
static void
101 
write_opcodes ()
102 
{
103 
  struct d10v_opcode *opcode;
104 
  int i, j;
105 
 
106 
  /* write out opcode table */
107 
  printf ("#include \"d10v_sim.h\"\n");
108 
  printf ("#include \"simops.h\"\n\n");
109 
  printf ("struct simops Simops[] = {\n");
110 
 
111 
  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
112 
    {
113 
      if (opcode->format != OPCODE_FAKE)
114 
        {
115 
          printf ("  { %ld,%d,%ld,%d,%d,%d,%d,OP_%X,", opcode->opcode,
116 
                  (opcode->format & LONG_OPCODE) ? 1 : 0, opcode->mask, opcode->format,
117 
                  opcode->cycles, opcode->unit, opcode->exec_type, opcode->opcode);
118 
 
119 
          /* REMOVE ME */
120 
          check_opcodes (opcode->opcode);
121 
          Opcodes[curop++] = opcode->opcode;
122 
 
123 
          j = 0;
124 
          for (i=0;i<6;i++)
125 
            {
126 
              int flags = d10v_operands[opcode->operands[i]].flags;
127 
              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
128 
                j++;
129 
            }
130 
          printf ("%d,",j);
131 
 
132 
          j = 0;
133 
          for (i=0;i<6;i++)
134 
            {
135 
              int flags = d10v_operands[opcode->operands[i]].flags;
136 
              int shift = d10v_operands[opcode->operands[i]].shift;
137 
              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM)|| (flags & OPERAND_ADDR))
138 
                {
139 
                  if (j == 0)
140 
                    printf ("{");
141 
                  else
142 
                    printf (", ");
143 
                  if ((flags & OPERAND_REG) && (opcode->format == LONG_L))
144 
                    shift += 15;
145 
                  printf ("%d,%d,%d",shift,d10v_operands[opcode->operands[i]].bits,flags);
146 
                  j = 1;
147 
                }
148 
            }
149 
          if (j)
150 
            printf ("}");
151 
          printf ("},\n");
152 
        }
153 
    }
154 
  printf ("{ 0,0,0,0,0,0,0,(void (*)(void))0,0,{0,0,0}},\n};\n");
155 
}

powered by: WebSVN 2.1.0

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