int
main(void)
{
char c;
init_devices();
comcninit();
opt_subcmd_read(NULL);
print_banner();
c = awaitkey();
if (c != '\r' && c != '\n' && c != '\0') {
printf("type \"?\" or \"h\" for help.\n");
bootmenu(); /* does not return */
}
command_boot(NULL);
/*
* command_boot() returns only if it failed to boot.
* we enter to boot menu in this case.
*/
bootmenu();
return 0;
}
int
autoboot(int timeout, char *prompt)
{
time_t when, otime, ntime;
int c, yes;
char *argv[2], *cp, *ep;
char *kernelname;
#ifdef BOOT_PROMPT_123
const char *seq = "123", *p = seq;
#endif
autoboot_tried = 1;
if (timeout == -1) {
timeout = 10;
/* try to get a delay from the environment */
if ((cp = getenv("autoboot_delay"))) {
timeout = strtol(cp, &ep, 0);
if (cp == ep)
timeout = 10; /* Unparseable? Set default! */
}
}
kernelname = getenv("kernelname");
if (kernelname == NULL) {
argv[0] = NULL;
loadakernel(0, 0, argv);
kernelname = getenv("kernelname");
if (kernelname == NULL) {
command_errmsg = "no valid kernel found";
return(CMD_ERROR);
}
}
if (timeout >= 0) {
otime = time(NULL);
when = otime + timeout; /* when to boot */
yes = 0;
#ifdef BOOT_PROMPT_123
printf("%s\n", (prompt == NULL) ? "Hit [Enter] to boot immediately, or "
"1 2 3 sequence for command prompt." : prompt);
#else
printf("%s\n", (prompt == NULL) ? "Hit [Enter] to boot immediately, or any other key for command prompt." : prompt);
#endif
for (;;) {
if (ischar()) {
c = getchar();
#ifdef BOOT_PROMPT_123
if ((c == '\r') || (c == '\n')) {
yes = 1;
break;
} else if (c != *p++)
p = seq;
if (*p == 0)
break;
#else
if ((c == '\r') || (c == '\n'))
yes = 1;
break;
#endif
}
ntime = time(NULL);
if (ntime >= when) {
yes = 1;
break;
}
if (ntime != otime) {
printf("\rBooting [%s] in %d second%s... ",
kernelname, (int)(when - ntime),
(when-ntime)==1?"":"s");
otime = ntime;
}
}
} else {
yes = 1;
}
if (yes)
printf("\rBooting [%s]... ", kernelname);
putchar('\n');
if (yes) {
argv[0] = "boot";
argv[1] = NULL;
return(command_boot(1, argv));
}
return(CMD_OK);
}
int
autoboot(int timeout, char *prompt)
{
time_t when, otime, ntime;
int c, yes;
char *argv[2], *cp, *ep;
char *kernelname;
autoboot_tried = 1;
if (timeout == -1) {
/* try to get a delay from the environment */
if ((cp = getenv("autoboot_delay"))) {
timeout = strtol(cp, &ep, 0);
if (cp == ep)
timeout = -1;
}
}
if (timeout == -1) /* all else fails */
timeout = 10;
kernelname = getenv("kernelname");
if (kernelname == NULL) {
argv[0] = NULL;
loadakernel(0, 0, argv);
kernelname = getenv("kernelname");
if (kernelname == NULL) {
command_seterr("no valid kernel found");
return(CMD_ERROR);
}
}
otime = time(NULL);
when = otime + timeout; /* when to boot */
yes = 0;
printf("%s\n", (prompt == NULL) ? "Hit [Enter] to boot immediately, or any other key for command prompt." : prompt);
for (;;) {
if (ischar()) {
c = getchar();
if ((c == '\r') || (c == '\n'))
yes = 1;
break;
}
ntime = time(NULL);
if (ntime >= when) {
yes = 1;
break;
}
if (ntime != otime) {
printf("\rBooting [%s] in %d second%s... ",
kernelname, (int)(when - ntime),
(when-ntime)==1?"":"s");
otime = ntime;
}
}
if (yes)
printf("\rBooting [%s]... ", kernelname);
putchar('\n');
if (yes) {
argv[0] = "boot";
argv[1] = NULL;
return(command_boot(1, argv));
}
return(CMD_OK);
}
