/**
* execute a line from a command listing or stdin
*/
void shell(const char *filename)
{
const bool interactive = (strncmp(filename, "-", 2) == 0);
FILE *fp;
cpu_state state;
if (interactive) {
fp = stdin;
} else {
fp = fopen(filename, "r");
}
if (fp != NULL) {
printf("reading from file: %s\n", filename);
} else {
printf("file not found: %s\n", filename);
exit(1);
}
cpu_reset(&state);
parse_instr(fp, &state.instr);
cpu_exec(&state);
shell_print_state(&state, interactive);
return;
}
/* Decodes the instructions */
void decode_instrs(Elf_Data *edata)
{
uint32_t *machine_code = (uint32_t *) edata->d_buf;
for (size_t i = 0; i < edata->d_size; i++) {
//printf("%0x", machine_code[i]);
parse_instr(machine_code[i]);
}
printf("\n");
}
