URL
https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k
[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [mn10200/] [gencode.c] - Rev 1775
Go to most recent revision | Compare with Previous | Blame | View Log
#include "mn10200_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 mn10200_opcode *opcode; for (opcode = (struct mn10200_opcode *)mn10200_opcodes; opcode->name; opcode++) printf("void OP_%X PARAMS ((unsigned long, unsigned long));\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 mn10200_opcode *opcode; int i,j; printf ("#include \"mn10200_sim.h\"\n"); printf ("#include \"simops.h\"\n"); for (opcode = (struct mn10200_opcode *)mn10200_opcodes; opcode->name; opcode++) { printf("/* %s */\nvoid\nOP_%X (insn, extension)\n unsigned long insn, extension;\n{\n", opcode->name, opcode->opcode); /* count operands */ j = 0; for (i = 0; i < 6; i++) { int flags = mn10200_operands[opcode->operands[i]].flags; if (flags) 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"); } } static void write_opcodes () { struct mn10200_opcode *opcode; int i, j; int numops; /* write out opcode table */ printf ("#include \"mn10200_sim.h\"\n"); printf ("#include \"simops.h\"\n\n"); printf ("struct simops Simops[] = {\n"); for (opcode = (struct mn10200_opcode *)mn10200_opcodes; opcode->name; opcode++) { int size; if (opcode->format == FMT_1) size = 1; else if (opcode->format == FMT_2 || opcode->format == FMT_4) size = 2; else if (opcode->format == FMT_3 || opcode->format == FMT_5) size = 3; else if (opcode->format == FMT_6) size = 4; else if (opcode->format == FMT_7) size = 5; else abort (); printf (" { 0x%x,0x%x,OP_%X,%d,%d,", opcode->opcode, opcode->mask, opcode->opcode, size, opcode->format); /* count operands */ j = 0; for (i = 0; i < 6; i++) { int flags = mn10200_operands[opcode->operands[i]].flags; if (flags) j++; } printf ("%d,{",j); j = 0; numops = 0; for (i = 0; i < 6; i++) { int flags = mn10200_operands[opcode->operands[i]].flags; int shift = mn10200_operands[opcode->operands[i]].shift; if (flags) { if (j) printf (", "); printf ("%d,%d,%d", shift, mn10200_operands[opcode->operands[i]].bits,flags); j = 1; numops++; } } switch (numops) { case 0: printf ("0,0,0"); case 1: printf (",0,0,0"); } printf ("}},\n"); } printf ("{ 0,0,NULL,0,0,0,{0,0,0,0,0,0}},\n};\n"); }
Go to most recent revision | Compare with Previous | Blame | View Log