예제 #1
0
파일: main.c 프로젝트: galactocalypse/os161
/*
 * 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("Galactocalypse's system version %s (%s #%d)\n", 
		GROUP_VERSION, buildconfig, buildversion);
	kprintf("\n");

	/* Early initialization. */
	ram_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. */
	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));
}
예제 #2
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).
	 */

	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));
}
예제 #3
0
파일: main.c 프로젝트: adi-mishra/CSC369
/*
 * 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));
}
예제 #4
0
파일: main.c 프로젝트: HeliWang/cs350OS
/*
 * 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
}
예제 #5
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
	 * 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));
}