Exemplo n.º 1
0
static
int
cmd_kheapgeneration(int nargs, char **args)
{
	(void)nargs;
	(void)args;

	kheap_nextgeneration();

	return 0;
}
Exemplo n.º 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
	 * 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("Peng Su's system version %s (%s #%d)\n",
		GROUP_VERSION, buildconfig, buildversion);
	kprintf("\n");
	hello();
	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));
}
Exemplo n.º 3
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));
}