/*
* 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("Put-your-group-name-here's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
ram_bootstrap();
scheduler_bootstrap();
thread_bootstrap();
vfs_bootstrap();
dev_bootstrap();
vm_bootstrap();
kprintf_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));
}
/*
* 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
* mainbus_bootstrap() attaches the console device. This can
* be remarkably confusing if a bug occurs at this point. So
* don't put new code before mainbus_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("Put-your-group-name-here's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
/* Early initialization. */
ram_bootstrap();
vm_bootstrap();
thread_bootstrap();
hardclock_bootstrap();
vfs_bootstrap();
/* Probe and initialize devices. Interrupts should come on. */
kprintf("Device probe...\n");
KASSERT(curthread->t_curspl > 0);
mainbus_bootstrap();
KASSERT(curthread->t_curspl == 0);
/* Now do pseudo-devices. */
pseudoconfig();
kprintf("\n");
/* Late phase of initialization. */
/* BEGIN A3 SETUP */
#if !OPT_DUMBVM
swap_bootstrap(); /* New for ASST3 - initialize swap system */
#endif
/* END A3 SETUP */
kprintf_bootstrap();
/* New for ASST2 - Initialize process ID managment. This should
* come before additional cpus are brought online.
*/
pid_bootstrap();
dumb_consoleIO_bootstrap(); /* And initialize for user console IO */
thread_start_cpus();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
/*
* Make sure various things aren't screwed up.
*/
COMPILE_ASSERT(sizeof(userptr_t) == sizeof(char *));
COMPILE_ASSERT(sizeof(*(userptr_t)0) == sizeof(char));
}
/*
* 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
* mainbus_bootstrap() attaches the console device. This can
* be remarkably confusing if a bug occurs at this point. So
* don't put new code before mainbus_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).
*/
vm_inited = false;
user_init = false;
kprintf("\n");
kprintf("OS/161 base system version %s\n", BASE_VERSION);
kprintf("%s", harvard_copyright);
kprintf("\n");
kprintf("JIN's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
/* Early initialization. */
ram_bootstrap();
proc_bootstrap();
thread_bootstrap();
hardclock_bootstrap();
vfs_bootstrap();
kheap_nextgeneration();
/* Probe and initialize devices. Interrupts should come on. */
kprintf("Device probe...\n");
KASSERT(curthread->t_curspl > 0);
mainbus_bootstrap();
KASSERT(curthread->t_curspl == 0);
/* Now do pseudo-devices. */
pseudoconfig();
kprintf("\n");
kheap_nextgeneration();
/* Late phase of initialization. */
vm_bootstrap();
kprintf_bootstrap();
thread_start_cpus();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
kheap_nextgeneration();
/*
* Make sure various things aren't screwed up.
*/
COMPILE_ASSERT(sizeof(userptr_t) == sizeof(char *));
COMPILE_ASSERT(sizeof(*(userptr_t)0) == sizeof(char));
vm_inited = true;
//verbose_alloc = false;
//verbose_alloc = true;
}
/*
* 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("Andrew K's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
ram_bootstrap();
scheduler_bootstrap();
#if OPT_A2
process_bootstrap();
#else // OPT_A2
thread_bootstrap();
#endif
vfs_bootstrap();
dev_bootstrap();
vm_bootstrap();
kprintf_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));
/* Assignment 0 Hello World Msg */
#if OPT_A0
hello();
#endif /* OPT_A0 */
#if OPT_A2
kprintf("Process %d initialized.\n", curproc->p_id);
kprintf("Has parent id %d and thread named %s.\n", curproc->p_parent, curproc->p_thread->t_name);
#endif // OPT_A2
}
/*
* 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
* mainbus_bootstrap() attaches the console device. This can
* be remarkably confusing if a bug occurs at this point. So
* don't put new code before mainbus_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).
*/
#if OPT_A2
// Not sure if this is the best place to put this, but I'm not
// sure where else we can initialize our process array early enough
proc_array_init();
// Setting this to NULL to start so that boot threads don't increment
// the value
sem_runprogram = NULL;
#endif
kprintf("\n");
kprintf("OS/161 base system version %s\n", BASE_VERSION);
kprintf("%s", harvard_copyright);
kprintf("\n");
kprintf("Put-your-group-name-here's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
/* Early initialization. */
ram_bootstrap();
proc_bootstrap();
thread_bootstrap();
hardclock_bootstrap();
vfs_bootstrap();
#if OPT_A3
// vm_bootstrap();// already called elsewhere below
#endif
/* Probe and initialize devices. Interrupts should come on. */
kprintf("Device probe...\n");
KASSERT(curthread->t_curspl > 0);
mainbus_bootstrap();
KASSERT(curthread->t_curspl == 0);
/* Now do pseudo-devices. */
pseudoconfig();
kprintf("\n");
/* Late phase of initialization. */
vm_bootstrap();
kprintf_bootstrap();
thread_start_cpus();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
/*
* Make sure various things aren't screwed up.
*/
COMPILE_ASSERT(sizeof(userptr_t) == sizeof(char *));
COMPILE_ASSERT(sizeof(*(userptr_t)0) == sizeof(char));
#if OPT_A2
// Now it is safe to let this be accessed
sem_runprogram = sem_create("sem_runprogram", 0);
#endif
}
/*
* 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));
}
/*
* 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
* mainbus_bootstrap() attaches the console device. This can
* be remarkably confusing if a bug occurs at this point. So
* don't put new code before mainbus_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");
// Stupid escape characters
/* kprintf(" ,8\\\n"\
"=DDI~ ,88M\n"\
"`$D888$7~ ,D=8M\n"\
" 8N8...'8. +...7\n"\
" ~+D+...'8, ,N...7\n"\
" ~+N+...+----...7...8`\n"\
" ~~O.............7\n"\
" /.............7\n"\
" 8..88..........7\n"\
" 8##.........88..:\n"\
" .8##...####$.....# ~+',\n"\
" \\I...####$...###8...,+\n"\
" .~~~~,.7##7....##.....7\n"\
" /.......\\-......7....I..+I8DI~..\n"\
" |8........7-.....\\..+$...........O\\\n");*/
/*kprintf(" \\~.___.~7-.......?IZ$??+..........>\n"\
" \\.............D /=?????+....,8`\n"\
" I.............+~IO=?8:+ZDI?=8`\n"\
" /..............7$??+8 \\8/\n"\
" I...............8DZO,\n"\
" I................N8?\n"\
" .D??.......+++....8\n"\
" D?7???I$Z77??????.\n"\
" ,8$DDZ: ``~?NIMMIZ=\n"\
" `~I8?\n");*/
kprintf("PikachuOS's system version %s (%s #%d)\n",
GROUP_VERSION, buildconfig, buildversion);
kprintf("\n");
/* Early initialization. */
ram_bootstrap();
vm_bootstrap();
proc_bootstrap();
thread_bootstrap();
hardclock_bootstrap();
vfs_bootstrap();
kheap_nextgeneration();
/* Probe and initialize devices. Interrupts should come on. */
kprintf("Device probe...\n");
KASSERT(curthread->t_curspl > 0);
mainbus_bootstrap();
KASSERT(curthread->t_curspl == 0);
/* Now do pseudo-devices. */
pseudoconfig();
kprintf("\n");
kheap_nextgeneration();
/* Late phase of initialization. */
kprintf_bootstrap();
thread_start_cpus();
/* Buffer cache */
buffer_bootstrap();
/* Default bootfs - but ignore failure, in case emu0 doesn't exist */
vfs_setbootfs("emu0");
kheap_nextgeneration();
bs_bootstrap();
/*
* Make sure various things aren't screwed up.
*/
COMPILE_ASSERT(sizeof(userptr_t) == sizeof(char *));
COMPILE_ASSERT(sizeof(*(userptr_t)0) == sizeof(char));
}
