/*
* Initial boot sequence.
*/
static
void
boot(void)
{
/*
* The order of these is important!
* Don't go changing it without thinking about the consequences.
*
* Among other things, be aware that console output gets
* buffered up at first and does not actually appear until
* dev_bootstrap() attaches the console device. This can be
* remarkably confusing if a bug occurs at this point. So
* don't put new code before dev_bootstrap if you don't
* absolutely have to.
*
* Also note that the buffer for this is only 1k. If you
* overflow it, the system will crash without printing
* anything at all. You can make it larger though (it's in
* dev/generic/console.c).
*/
kprintf("\n");
kprintf("OS/161 base system version %s\n", BASE_VERSION);
kprintf("%s", harvard_copyright);
kprintf("\n");
kprintf("CS350-036's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
#if OPT_A0
hello();
#endif /* OPT_A0 */
ram_bootstrap();
scheduler_bootstrap();
thread_bootstrap();
vfs_bootstrap();
dev_bootstrap();
#if OPT_A3
vmstats_init();
#endif
vm_bootstrap();
kprintf_bootstrap();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
#if OPT_A3
initSwapOps();
#endif
/*
* Make sure various things aren't screwed up.
*/
assert(sizeof(userptr_t)==sizeof(char *));
assert(sizeof(*(userptr_t)0)==sizeof(char));
}
/* ************************************************** */
int do_bootstrap(void) {
if (rng_bootstrap() || /* rng */
bundle_bootstrap() || /* entity */
entity_bootstrap() || /* bundle */
monitor_bootstrap() || /* monitor */
measure_bootstrap() || /* measure */
medium_bootstrap() || /* medium */
mobility_bootstrap() || /* mobility */
modulation_bootstrap() || /* modulation */
noise_bootstrap() || /* noise */
node_bootstrap() || /* node */
packet_bootstrap() || /* packet */
scheduler_bootstrap()) { /* scheduler */
return -1;
}
return 0;
}
/*
* Initial boot sequence.
*/
static
void
boot(void)
{
/*
* The order of these is important!
* Don't go changing it without thinking about the consequences.
*
* Among other things, be aware that console output gets
* buffered up at first and does not actually appear until
* dev_bootstrap() attaches the console device. This can be
* remarkably confusing if a bug occurs at this point. So
* don't put new code before dev_bootstrap if you don't
* absolutely have to.
*
* Also note that the buffer for this is only 1k. If you
* overflow it, the system will crash without printing
* anything at all. You can make it larger though (it's in
* dev/generic/console.c).
*/
/* remove compiler warning */
//size_t memsize; /* ASST2: get memsize from new vm_bootstrap */
kprintf("\n");
kprintf("OS/161 base system version %s\n", BASE_VERSION);
kprintf("%s", harvard_copyright);
kprintf("\n");
kprintf("Group 36 system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
ram_bootstrap();
#if OPT_DUMBVM
vm_bootstrap();
#else
memsize = vm_bootstrap(); /* ASST2: get memsize from new vm_bootstrap */
#endif
scheduler_bootstrap();
pid_bootstrap(); /* ASST1: initialize pid management before threads */
thread_bootstrap();
vfs_bootstrap();
dev_bootstrap();
#if !OPT_DUMBVM /* only initialize swap if not using dumbvm */
swap_bootstrap(memsize); /* ASST2: initialize swap file after devices */
#endif
kprintf_bootstrap();
// DEMKE: ASST1 - initialize user program console I/O
//dumb_consoleIO_bootstrap();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
/*
* Make sure various things aren't screwed up.
*/
assert(sizeof(userptr_t)==sizeof(char *));
assert(sizeof(*(userptr_t)0)==sizeof(char));
}
