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[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [d10v/] [gencode.c] - Rev 1773
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#include "config.h" #include <stdio.h> #include <ctype.h> #include <limits.h> #include "ansidecl.h" #include "opcode/d10v.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 d10v_opcode *opcode; for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++) if (opcode->format != OPCODE_FAKE) 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 d10v_opcode *opcode; int i,j; printf ("#include \"d10v_sim.h\"\n"); printf ("#include \"simops.h\"\n"); for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++) { if (opcode->format != OPCODE_FAKE) { printf("/* %s */\nvoid\nOP_%X ()\n{\n",opcode->name,opcode->opcode); /* count operands */ j = 0; for (i=0;i<6;i++) { int flags = d10v_operands[opcode->operands[i]].flags; if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR)) 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 d10v_opcode *opcode; int i, j; /* write out opcode table */ printf ("#include \"d10v_sim.h\"\n"); printf ("#include \"simops.h\"\n\n"); printf ("struct simops Simops[] = {\n"); for (opcode = (struct d10v_opcode *)d10v_opcodes; opcode->name; opcode++) { if (opcode->format != OPCODE_FAKE) { printf (" { %ld,%d,%ld,%d,%d,%d,%d,OP_%X,", opcode->opcode, (opcode->format & LONG_OPCODE) ? 1 : 0, opcode->mask, opcode->format, opcode->cycles, opcode->unit, opcode->exec_type, opcode->opcode); /* REMOVE ME */ check_opcodes (opcode->opcode); Opcodes[curop++] = opcode->opcode; j = 0; for (i=0;i<6;i++) { int flags = d10v_operands[opcode->operands[i]].flags; if ((flags & OPERAND_REG) || (flags & OPERAND_NUM) || (flags & OPERAND_ADDR)) j++; } printf ("%d,",j); j = 0; for (i=0;i<6;i++) { int flags = d10v_operands[opcode->operands[i]].flags; int shift = d10v_operands[opcode->operands[i]].shift; if ((flags & OPERAND_REG) || (flags & OPERAND_NUM)|| (flags & OPERAND_ADDR)) { if (j == 0) printf ("{"); else printf (", "); if ((flags & OPERAND_REG) && (opcode->format == LONG_L)) shift += 15; printf ("%d,%d,%d",shift,d10v_operands[opcode->operands[i]].bits,flags); j = 1; } } if (j) printf ("}"); printf ("},\n"); } } printf ("{ 0,0,0,0,0,0,0,(void (*)(void))0,0,{0,0,0}},\n};\n"); }
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