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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [d10v/] [gencode.c] - Blame information for rev 438

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Line No. Rev Author Line
1 24 jeremybenn 
#include "config.h"
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#include <stdio.h>
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#include <ctype.h>
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#include <limits.h>
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#include "ansidecl.h"
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#include "opcode/d10v.h"
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static void write_header PARAMS ((void));
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static void write_opcodes PARAMS ((void));
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static void write_template PARAMS ((void));
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int
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main (argc, argv)
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     int argc;
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     char *argv[];
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{
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  if ((argc > 1) && (strcmp (argv[1],"-h") == 0))
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    write_header();
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  else if ((argc > 1) && (strcmp (argv[1],"-t") == 0))
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    write_template ();
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  else
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    write_opcodes();
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  return 0;
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}
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static void
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write_header ()
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{
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  struct d10v_opcode *opcode;
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  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
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    if (opcode->format != OPCODE_FAKE)
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      printf("void OP_%X PARAMS ((void));\t\t/* %s */\n",opcode->opcode, opcode->name);
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}
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/* write_template creates a file all required functions, ready */
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/* to be filled out */
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static void
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write_template ()
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{
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  struct d10v_opcode *opcode;
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  int i,j;
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  printf ("#include \"d10v_sim.h\"\n");
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  printf ("#include \"simops.h\"\n");
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  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
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    {
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      if (opcode->format != OPCODE_FAKE)
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        {
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          printf("/* %s */\nvoid\nOP_%X ()\n{\n",opcode->name,opcode->opcode);
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          /* count operands */
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          j = 0;
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          for (i=0;i<6;i++)
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            {
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              int flags = d10v_operands[opcode->operands[i]].flags;
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              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
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                j++;
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            }
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          switch (j)
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            {
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            case 0:
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              printf ("printf(\"   %s\\n\");\n",opcode->name);
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              break;
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            case 1:
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              printf ("printf(\"   %s\\t%%x\\n\",OP[0]);\n",opcode->name);
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              break;
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            case 2:
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              printf ("printf(\"   %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",opcode->name);
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              break;
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            case 3:
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              printf ("printf(\"   %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",opcode->name);
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              break;
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            default:
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              fprintf (stderr,"Too many operands: %d\n",j);
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            }
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          printf ("}\n\n");
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        }
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    }
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}
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long Opcodes[512];
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static int curop=0;
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check_opcodes( long op)
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{
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  int i;
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  for (i=0;i<curop;i++)
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    if (Opcodes[i] == op)
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      fprintf(stderr,"DUPLICATE OPCODES: %x\n",op);
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}
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static void
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write_opcodes ()
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{
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  struct d10v_opcode *opcode;
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  int i, j;
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  /* write out opcode table */
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  printf ("#include \"d10v_sim.h\"\n");
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  printf ("#include \"simops.h\"\n\n");
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  printf ("struct simops Simops[] = {\n");
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  for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++)
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    {
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      if (opcode->format != OPCODE_FAKE)
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        {
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          printf ("  { %ld,%d,%ld,%d,%d,%d,%d,OP_%X,", opcode->opcode,
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                  (opcode->format & LONG_OPCODE) ? 1 : 0, opcode->mask, opcode->format,
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                  opcode->cycles, opcode->unit, opcode->exec_type, opcode->opcode);
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          /* REMOVE ME */
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          check_opcodes (opcode->opcode);
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          Opcodes[curop++] = opcode->opcode;
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          j = 0;
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          for (i=0;i<6;i++)
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            {
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              int flags = d10v_operands[opcode->operands[i]].flags;
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              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR))
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                j++;
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            }
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          printf ("%d,",j);
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          j = 0;
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          for (i=0;i<6;i++)
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            {
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              int flags = d10v_operands[opcode->operands[i]].flags;
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              int shift = d10v_operands[opcode->operands[i]].shift;
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              if ((flags & OPERAND_REG) || (flags & OPERAND_NUM)|| (flags & OPERAND_ADDR))
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                {
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                  if (j == 0)
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                    printf ("{");
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                  else
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                    printf (", ");
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                  if ((flags & OPERAND_REG) && (opcode->format == LONG_L))
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                    shift += 15;
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                  printf ("%d,%d,%d",shift,d10v_operands[opcode->operands[i]].bits,flags);
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                  j = 1;
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                }
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            }
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          if (j)
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            printf ("}");
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          printf ("},\n");
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        }
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    }
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  printf ("{ 0,0,0,0,0,0,0,(void (*)(void))0,0,{0,0,0}},\n};\n");
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}

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