src/lib/fallback_boot.c

   1 #include <console/console.h>
   2 #include <fallback.h>
   3 #include <watchdog.h>
   4 #include <pc80/mc146818rtc.h>
   5 #include <arch/io.h>
   6
   7
   8 void set_boot_successful(void)
   9 {
  10         /* Remember I succesfully booted by setting
  11          * the initial boot direction
  12          * to the direction that I booted.
  13          */
  14         unsigned char index, byte;
  15         index = inb(RTC_PORT(0)) & 0x80;
  16         index |= RTC_BOOT_BYTE;
  17         outb(index, RTC_PORT(0));
  18
  19         byte = inb(RTC_PORT(1));
  20         byte &= 0xfe;
  21         byte |= (byte & (1 << 1)) >> 1;
  22
  23         /* If we are in normal mode set the boot count to 0 */
  24         if(byte & 1)
  25                 byte &= 0x0f;
  26         outb(byte, RTC_PORT(1));
  27 }
  28
  29 void boot_successful(void)
  30 {
  31 #if CONFIG_BOOTSPLASH && !CONFIG_COREBOOT_KEEP_FRAMEBUFFER
  32         void vbe_textmode_console(void);
  33
  34         vbe_textmode_console();
  35 #endif
  36         /* Remember this was a successful boot */
  37         set_boot_successful();
  38
  39         /* turn off the boot watchdog */
  40         watchdog_off();
  41 }