]> Git Repo - binutils.git/blob - sim/d10v/gencode.c
Automatic date update in version.in
[binutils.git] / sim / d10v / gencode.c
1 #include <stdio.h>
2 #include <ctype.h>
3 #include <limits.h>
4 #include <string.h>
5 #include "ansidecl.h"
6 #include "opcode/d10v.h"
7
8 static void write_header (void);
9 static void write_opcodes (void);
10 static void write_template (void);
11
12 int
13 main (int argc, 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 (void)
27 {
28   struct d10v_opcode *opcode;
29
30   for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
31     if (opcode->format != OPCODE_FAKE)
32       printf ("void OP_%lX (SIM_DESC, SIM_CPU *);\t\t/* %s */\n", 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 (void)
41 {
42   struct d10v_opcode *opcode;
43   int i,j;
44
45   printf ("#include \"sim-main.h\"\n");
46   printf ("#include \"simops.h\"\n");
47
48   for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
49     {
50       if (opcode->format != OPCODE_FAKE)
51         {
52           printf("/* %s */\nvoid\nOP_%lX ()\n{\n", opcode->name, opcode->opcode);
53           
54           /* count operands */
55           j = 0;
56           for (i=0;i<6;i++)
57             {
58               int flags = d10v_operands[opcode->operands[i]].flags;
59               if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
60                 j++;
61             }
62           switch (j)
63             {
64             case 0:
65               printf ("printf(\"   %s\\n\");\n",opcode->name);
66               break;
67             case 1:
68               printf ("printf(\"   %s\\t%%x\\n\",OP[0]);\n",opcode->name);
69               break;
70             case 2:
71               printf ("printf(\"   %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",opcode->name);
72               break;
73             case 3:
74               printf ("printf(\"   %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",opcode->name);
75               break;
76             default:
77               fprintf (stderr,"Too many operands: %d\n",j);
78             }
79           printf ("}\n\n");
80         }
81     }
82 }
83
84
85 long Opcodes[512];
86 static int curop=0;
87
88 static void
89 check_opcodes( long op)
90 {
91   int i;
92
93   for (i=0;i<curop;i++)
94     if (Opcodes[i] == op)
95       fprintf(stderr,"DUPLICATE OPCODES: %lx\n", op);
96 }
97
98 static void
99 write_opcodes (void)
100 {
101   struct d10v_opcode *opcode;
102   int i, j;
103   
104   /* write out opcode table */
105   printf ("#include \"sim-main.h\"\n");
106   printf ("#include \"simops.h\"\n\n");
107   printf ("struct simops Simops[] = {\n");
108   
109   for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
110     {
111       if (opcode->format != OPCODE_FAKE)
112         {
113           printf ("  { %ld,%d,%ld,%d,%d,%d,%d,OP_%lX,", opcode->opcode,
114                   (opcode->format & LONG_OPCODE) ? 1 : 0, opcode->mask, opcode->format, 
115                   opcode->cycles, opcode->unit, opcode->exec_type, opcode->opcode);
116       
117           /* REMOVE ME */
118           check_opcodes (opcode->opcode);
119           Opcodes[curop++] = opcode->opcode;
120
121           j = 0;
122           for (i=0;i<6;i++)
123             {
124               int flags = d10v_operands[opcode->operands[i]].flags;
125               if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
126                 j++;
127             }
128           printf ("%d,",j);
129           
130           j = 0;
131           for (i=0;i<6;i++)
132             {
133               int flags = d10v_operands[opcode->operands[i]].flags;
134               int shift = d10v_operands[opcode->operands[i]].shift;
135               if ((flags & OPERAND_REG) || (flags & OPERAND_NUM)|| (flags & OPERAND_ADDR))
136                 {
137                   if (j == 0)
138                     printf ("{");
139                   else
140                     printf (", ");
141                   if ((flags & OPERAND_REG) && (opcode->format == LONG_L))
142                     shift += 15;
143                   printf ("%d,%d,%d",shift,d10v_operands[opcode->operands[i]].bits,flags);
144                   j = 1;
145                 }
146             }
147           if (j)
148             printf ("}");
149           printf ("},\n");
150         }
151     }
152   printf ("{ 0,0,0,0,0,0,0,(void (*)())0,0,{0,0,0}},\n};\n");
153 }
This page took 0.033648 seconds and 4 git commands to generate.