9cdd2c6d72
Add --enable-sim-warnings, use/fix errors. Add --enable-sim-endian, don't use. Add common modules. Don't yet use most.
149 lines
3.2 KiB
C
149 lines
3.2 KiB
C
#include <stdio.h>
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#include <ctype.h>
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#include "ansidecl.h"
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#include "opcode/v850.h"
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#include <limits.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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long Opcodes[512];
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static int curop=0;
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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 v850_opcode *opcode;
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for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
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printf("int OP_%X PARAMS ((void));\t\t/* %s */\n",
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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 v850_opcode *opcode;
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int i,j;
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printf ("#include \"sim-main.h\"\n");
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printf ("#include \"v850_sim.h\"\n");
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printf ("#include \"simops.h\"\n");
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for (opcode = (struct v850_opcode *)v850_opcodes; opcode->name; opcode++)
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{
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printf("/* %s */\nvoid\nOP_%X (void)\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 = v850_operands[opcode->operands[i]].flags;
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if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
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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",
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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",
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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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static void
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write_opcodes ()
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{
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struct v850_opcode *opcode;
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int i, j;
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int numops;
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/* write out opcode table */
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printf ("#include \"sim-main.h\"\n");
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printf ("#include \"v850_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 v850_opcode *)v850_opcodes; opcode->name; opcode++)
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{
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printf (" { 0x%x,0x%x,OP_%X,",
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opcode->opcode, opcode->mask, opcode->opcode);
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Opcodes[curop++] = 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 = v850_operands[opcode->operands[i]].flags;
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if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
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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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numops = 0;
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for (i = 0; i < 6; i++)
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{
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int flags = v850_operands[opcode->operands[i]].flags;
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int shift = v850_operands[opcode->operands[i]].shift;
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if (flags & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_CC))
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{
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if (j)
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printf (", ");
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printf ("%d,%d,%d", shift,
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v850_operands[opcode->operands[i]].bits,flags);
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j = 1;
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numops++;
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}
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}
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switch (numops)
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{
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case 0:
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printf ("0,0,0");
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case 1:
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printf (",0,0,0");
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}
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printf ("}},\n");
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}
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printf ("{ 0,0,NULL,0,{0,0,0,0,0,0}},\n};\n");
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}
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