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* ChangeLog, Makefile.in, configure, configure.in, v850_sim.h,

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gencode.c, interp.c, simops.c: Created.
So we've got something to hack on.
This commit is contained in:
Jeff Law
1996-08-29 01:06:42 +00:00
parent 085114ca36
commit 22c1c7ddea
8 changed files with 1274 additions and 0 deletions
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144
sim/v850/gencode.c Normal file
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#include "v850_sim.h"
static void write_header PARAMS ((void));
static void write_opcodes PARAMS ((void));
static void write_template PARAMS ((void));
int
main (argc, argv)
int argc;
char *argv[];
{
if ((argc > 1) && (strcmp (argv[1],"-h") == 0))
write_header();
else if ((argc > 1) && (strcmp (argv[1],"-t") == 0))
write_template ();
else
write_opcodes();
return 0;
}
static void
write_header ()
{
struct v850_opcode *opcode;
for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
printf("void OP_%X PARAMS ((void));\t\t/* %s */\n",opcode->opcode, opcode->name);
}
/* write_template creates a file all required functions, ready */
/* to be filled out */
static void
write_template ()
{
struct v850_opcode *opcode;
int i,j;
printf ("#include \"v850_sim.h\"\n");
printf ("#include \"simops.h\"\n");
for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
{
printf("/* %s */\nvoid\nOP_%X ()\n{\n",opcode->name,opcode->opcode);
/* count operands */
j = 0;
for (i = 0; i < 6; i++)
{
int flags = v850_operands[opcode->operands[i]].flags;
if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
j++;
}
switch (j)
{
case 0:
printf ("printf(\" %s\\n\");\n",opcode->name);
break;
case 1:
printf ("printf(\" %s\\t%%x\\n\",OP[0]);\n",opcode->name);
break;
case 2:
printf ("printf(\" %s\\t%%x,%%x\\n\",OP[0],OP[1]);\n",opcode->name);
break;
case 3:
printf ("printf(\" %s\\t%%x,%%x,%%x\\n\",OP[0],OP[1],OP[2]);\n",opcode->name);
break;
default:
fprintf (stderr,"Too many operands: %d\n",j);
}
printf ("}\n\n");
}
}
long Opcodes[512];
static int curop=0;
check_opcodes( long op)
{
int i;
for (i=0;i<curop;i++)
if (Opcodes[i] == op)
fprintf(stderr,"DUPLICATE OPCODES: %x\n",op);
}
static void
write_opcodes ()
{
struct v850_opcode *opcode;
int i, j;
/* write out opcode table */
printf ("#include \"v850_sim.h\"\n");
printf ("#include \"simops.h\"\n\n");
printf ("struct simops Simops[] = {\n");
for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
{
printf (" { %ld,%ld,OP_%X,",
opcode->opcode, opcode->mask, opcode->opcode);
/* REMOVE ME */
check_opcodes (opcode->opcode);
Opcodes[curop++] = opcode->opcode;
/* count operands */
j = 0;
for (i = 0; i < 6; i++)
{
int flags = v850_operands[opcode->operands[i]].flags;
if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
j++;
}
printf ("%d,{",j);
j = 0;
for (i = 0; i < 6; i++)
{
int flags = v850_operands[opcode->operands[i]].flags;
int shift = v850_operands[opcode->operands[i]].shift;
if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
{
if (j)
printf (", ");
#if 0
if ((flags & OPERAND_REG) && (opcode->format == LONG_L))
shift += 15;
#endif
printf ("%d,%d,%d",shift,v850_operands[opcode->operands[i]].bits,flags);
j = 1;
}
}
printf ("}},\n");
}
printf ("{ 0,0,NULL,0,{ }},\n};\n");
}