1 #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
main(argc,argv)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
write_header()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
write_template()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 
check_opcodes(long op)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
write_opcodes()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 }
156