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
main(int argc,char * argv[])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
write_header(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
write_template(void)40 write_template (void)
41 {
42   struct d10v_opcode *opcode;
43   int i,j;
44 
45   printf ("#include \"d10v-sim.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
check_opcodes(long op)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
write_opcodes(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 \"d10v-sim.h\"\n");
107   printf ("#include \"simops.h\"\n\n");
108   printf ("struct simops Simops[] = {\n");
109 
110   for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
111     {
112       if (opcode->format != OPCODE_FAKE)
113           {
114             printf ("  { %ld,%d,%ld,%d,%d,%d,%d,OP_%lX,", opcode->opcode,
115                       (opcode->format & LONG_OPCODE) ? 1 : 0, opcode->mask, opcode->format,
116                       opcode->cycles, opcode->unit, opcode->exec_type, opcode->opcode);
117 
118             /* REMOVE ME */
119             check_opcodes (opcode->opcode);
120             Opcodes[curop++] = opcode->opcode;
121 
122             j = 0;
123             for (i=0;i<6;i++)
124               {
125                 int flags = d10v_operands[opcode->operands[i]].flags;
126                 if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
127                     j++;
128               }
129             printf ("%d,",j);
130 
131             j = 0;
132             for (i=0;i<6;i++)
133               {
134                 int flags = d10v_operands[opcode->operands[i]].flags;
135                 int shift = d10v_operands[opcode->operands[i]].shift;
136                 if ((flags & OPERAND_REG) || (flags & OPERAND_NUM)|| (flags & OPERAND_ADDR))
137                     {
138                       if (j == 0)
139                         printf ("{");
140                       else
141                         printf (", ");
142                       if ((flags & OPERAND_REG) && (opcode->format == LONG_L))
143                         shift += 15;
144                       printf ("%d,%d,%d",shift,d10v_operands[opcode->operands[i]].bits,flags);
145                       j = 1;
146                     }
147               }
148             if (j)
149               printf ("}");
150             printf ("},\n");
151           }
152     }
153   printf ("{ 0,0,0,0,0,0,0,(void (*)())0,0,{0,0,0}},\n};\n");
154 }
155