| Line 350... |
Line 350... |
return 0;
|
return 0;
|
|
|
}
|
}
|
|
|
/* Generates .c file footer */
|
/* Generates .c file footer */
|
static int generate_footer (FILE *fo)
|
static int
|
|
generate_footer (FILE *fo)
|
{
|
{
|
fprintf (fo, "}\n");
|
fprintf (fo, "}\n");
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Decodes all instructions and generates code for that. This function
|
/* Decodes all instructions and generates code for that. This function
|
is similar to or1ksim_insn_decode, except it decodes all instructions.
|
is similar to or1ksim_insn_decode, except it decodes all instructions.
|
|
|
JPB: Added code to generate an illegal instruction exception for invalid
|
JPB: Added code to generate an illegal instruction exception for invalid
|
instructions. */
|
instructions. */
|
static int generate_body (FILE *fo, unsigned long *a, unsigned long cur_mask, int level)
|
static int
|
|
generate_body (FILE *fo, unsigned long *a, unsigned long cur_mask, int level)
|
{
|
{
|
unsigned long shift = *a;
|
unsigned long shift = *a;
|
unsigned long mask;
|
unsigned long mask;
|
int i;
|
int i;
|
int prev_inv = 0;
|
int prev_inv = 0;
|
| Line 380... |
Line 382... |
shift_fprintf (level, fo, "case 0x%x:\n", i);
|
shift_fprintf (level, fo, "case 0x%x:\n", i);
|
prev_inv = 1;
|
prev_inv = 1;
|
} else {
|
} else {
|
if(prev_inv) {
|
if(prev_inv) {
|
shift_fprintf (++level, fo, "/* Invalid instruction(s) */\n");
|
shift_fprintf (++level, fo, "/* Invalid instruction(s) */\n");
|
|
shift_fprintf (level, fo,
|
|
"except_handle (EXCEPT_ILLEGAL, cpu_state.pc);\n");
|
shift_fprintf (level--, fo, "break;\n");
|
shift_fprintf (level--, fo, "break;\n");
|
}
|
}
|
shift_fprintf (level, fo, "case 0x%x:\n", i);
|
shift_fprintf (level, fo, "case 0x%x:\n", i);
|
generate_body (fo, or1ksim_automata + *a, cur_mask | (mask << shift), ++level);
|
generate_body (fo, or1ksim_automata + *a, cur_mask | (mask << shift), ++level);
|
shift_fprintf (level--, fo, "break;\n");
|
shift_fprintf (level--, fo, "break;\n");
|
