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 /*
  *   Rosimildo da Silva:  rdasilva@connecttel.com
  */
 
 #include <limits.h>
 #include <sys/types.h>
 #include <rtems/keyboard.h>
 #include "i386kbd.h"
 #include <rtems/kd.h>
 #include <bsp.h>
 #include <bsp/bootcard.h>
 #include <stdatomic.h>
 
 #define SIZE(x) (sizeof(x)/sizeof((x)[0]))
 
 #ifndef KBD_DEFMODE
 #define KBD_DEFMODE ((1 << VC_REPEAT) | (1 << VC_META))
 #endif
 
 #ifndef KBD_DEFLEDS
 /*
  * Some laptops take the 789uiojklm,. keys as number pad when NumLock
  * is on. This seems a good reason to start with NumLock off.
  */
 #define KBD_DEFLEDS 0
 #endif
 
 #ifndef KBD_DEFLOCK
 #define KBD_DEFLOCK 0
 #endif
 
 static int kbd_test_and_set_bit(int nr, atomic_uint_least32_t * addr)
 {
   uint_least32_t        mask;
   int                   retval;
 
   addr += nr >> 5;
   mask = 1UL << (nr & 0x1f);
 
   retval = (atomic_fetch_or(addr, mask) & mask) != 0;
 
   return retval;
 }
 
 static int kbd_test_and_clear_bit(int nr, atomic_uint_least32_t * addr)
 {
   uint_least32_t        mask;
   int                   retval;
 
   addr += nr >> 5;
   mask = 1UL << (nr & 0x1f);
 
   retval = (atomic_fetch_and(addr, ~mask) & mask) != 0;
 
   return retval;
 }
 
 static int kbd_test_bit(int nr, atomic_uint_least32_t * addr)
 {
   unsigned long  mask;
 
   addr += nr >> 5;
   mask = 1 << (nr & 0x1f);
   return ((mask & atomic_load(addr)) != 0);
 }
 
 /*
  * global state includes the following, and various static variables
  * in this module: prev_scancode, shift_state, diacr, npadch, dead_key_next.
  * (last_console is now a global variable)
  */
 #define  KBD_BITS_PER_ELEMENT (sizeof(atomic_uint_least32_t)*CHAR_BIT)
 
 /* shift state counters.. */
 static unsigned char k_down[NR_SHIFT] = {0, };
 /* keyboard key bitmap */
 static atomic_uint_least32_t
   key_down[(256 + KBD_BITS_PER_ELEMENT - 1) / KBD_BITS_PER_ELEMENT] = { 0, };
 
 static int dead_key_next = 0;
 /*
  * In order to retrieve the shift_state (for the mouse server), either
  * the variable must be global, or a new procedure must be created to
  * return the value. I chose the former way.
  */
 int shift_state = 0;
 static int npadch = -1;      /* -1 or number assembled on pad */
 static unsigned char diacr = 0;
 static char rep = 0;      /* flag telling character repeat */
 
 /* default console for RTEMS */
 static int  fg_console = 0;
 
 struct kbd_struct kbd_table[MAX_NR_CONSOLES];
 static struct kbd_struct * kbd = kbd_table;
 
 void compute_shiftstate(void);
 
 typedef void (*k_hand)(unsigned char value, char up_flag);
 typedef void (k_handfn)(unsigned char value, char up_flag);
 
 static k_handfn
   do_self, do_fn, do_spec, do_pad, do_dead, do_cons, do_cur, do_shift,
   do_meta, do_ascii, do_lock, do_lowercase, do_slock, do_dead2,
   do_ignore;
 
 static k_hand key_handler[16] = {
   do_self, do_fn, do_spec, do_pad, do_dead, do_cons, do_cur, do_shift,
   do_meta, do_ascii, do_lock, do_lowercase, do_slock, do_dead2,
   do_ignore, do_ignore
 };
 
 /* Key types processed even in raw modes */
 
 #define TYPES_ALLOWED_IN_RAW_MODE ((1 << KT_SPEC) | (1 << KT_SHIFT))
 
 typedef void (*void_fnp)(void);
 typedef void (void_fn)(void);
 
 static void show_mem(void)
 {
 }
 static void show_state(void)
 {
 }
 
 static void_fn do_null, enter, show_ptregs, send_intr, lastcons, caps_toggle,
   num, hold, scroll_forw, scroll_back, caps_on, compose,
   SAK, decr_console, incr_console, spawn_console, bare_num;
 
 static void bsp_reset_wrapper(void)
 {
   bsp_reset(RTEMS_FATAL_SOURCE_BSP, 0);
 }
 
 static void_fnp spec_fn_table[] = {
   do_null,  enter,    show_ptregs,  show_mem,
   show_state,  send_intr,  lastcons,  caps_toggle,
   num,    hold,    scroll_forw,  scroll_back,
   bsp_reset_wrapper,  caps_on,  compose,  SAK,
   decr_console,  incr_console,  spawn_console,  bare_num
 };
 
 #define SPECIALS_ALLOWED_IN_RAW_MODE (1 << KVAL(K_SAK))
 
 /* maximum values each key_handler can handle */
 const int max_vals[] = {
   255, SIZE(func_table) - 1, SIZE(spec_fn_table) - 1, NR_PAD - 1,
   NR_DEAD - 1, 255, 3, NR_SHIFT - 1,
   255, NR_ASCII - 1, NR_LOCK - 1, 255,
   NR_LOCK - 1, 255
 };
 
 const int NR_TYPES = SIZE(max_vals);
 
 /* N.B. drivers/macintosh/mac_keyb.c needs to call put_queue */
 static void put_queue(int);
 static unsigned char handle_diacr(unsigned char);
 
 #ifdef CONFIG_MAGIC_SYSRQ
 static int sysrq_pressed;
 #endif
 
 /*
  * Many other routines do put_queue, but I think either
  * they produce ASCII, or they produce some user-assigned
  * string, and in both cases we might assume that it is
  * in utf-8 already.
  */
 static void to_utf8(ushort c)
 {
   if (c < 0x80)
     put_queue(c);                  /*  0*******  */
   else if (c < 0x800) {
     put_queue(0xc0 | (c >> 6));    /*  110***** 10******  */
     put_queue(0x80 | (c & 0x3f));
   } else {
     put_queue(0xe0 | (c >> 12));   /*  1110**** 10****** 10******  */
     put_queue(0x80 | ((c >> 6) & 0x3f));
     put_queue(0x80 | (c & 0x3f));
   }
   /* UTF-8 is defined for words of up to 31 bits,
      but we need only 16 bits here */
 }
 
 /*
  * Translation of escaped scancodes to keycodes.
  * This is now user-settable (for machines were it makes sense).
  */
 
 int setkeycode(unsigned int scancode, unsigned int keycode)
 {
     return kbd_setkeycode(scancode, keycode);
 }
 
 int getkeycode(unsigned int scancode)
 {
     return kbd_getkeycode(scancode);
 }
 
 void handle_scancode(unsigned char scancode, int down)
 {
   unsigned char keycode;
   char up_flag = down ? 0 : 0200;
   char raw_mode;
 
   mark_bh(CONSOLE_BH);
 
 #if 0
   tty = ttytab? ttytab[fg_console]: NULL;
   if (tty && (!tty->driver_data)) {
     /*
      * We touch the tty structure via the the ttytab array
      * without knowing whether or not tty is open, which
      * is inherently dangerous.  We currently rely on that
      * fact that console_open sets tty->driver_data when
      * it opens it, and clears it when it closes it.
      */
     tty = NULL;
   }
 #endif
 
   kbd = kbd_table + fg_console;
   if ((raw_mode = (kbd->kbdmode == VC_RAW))) {
     put_queue(scancode | up_flag);
     /* we do not return yet, because we want to maintain
        the key_down array, so that we have the correct
        values when finishing RAW mode or when changing VT's */
   }
 
   /*
    *  Convert scancode to keycode
    */
   if (!kbd_translate(scancode, &keycode, raw_mode))
       return;
 
   /*
    * At this point the variable `keycode' contains the keycode.
    * Note: the keycode must not be 0 (++Geert: on m68k 0 is valid).
    * We keep track of the up/down status of the key, and
    * return the keycode if in MEDIUMRAW mode.
    */
 
   if (up_flag) {
     rep = 0;
     if(!kbd_test_and_clear_bit(keycode, key_down))
         up_flag = kbd_unexpected_up(keycode);
   } else
     rep = kbd_test_and_set_bit(keycode, key_down);
 
 #ifdef CONFIG_MAGIC_SYSRQ    /* Handle the SysRq Hack */
   if (keycode == SYSRQ_KEY) {
     sysrq_pressed = !up_flag;
     return;
   } else if (sysrq_pressed) {
     if (!up_flag && sysrq_enabled)
       handle_sysrq(kbd_sysrq_xlate[keycode], kbd_pt_regs, kbd, tty);
     return;
   }
 #endif
 
   if (kbd->kbdmode == VC_MEDIUMRAW) {
     /* soon keycodes will require more than one byte */
     put_queue(keycode + up_flag);
     raw_mode = 1;  /* Most key classes will be ignored */
   }
   /*
    * Small change in philosophy: earlier we defined repetition by
    *   rep = keycode == prev_keycode;
    *   prev_keycode = keycode;
    * but now by the fact that the depressed key was down already.
    * Does this ever make a difference? Yes.
    */
 
   /*
    *  Repeat a key only if the input buffers are empty or the
    *  characters get echoed locally. This makes key repeat usable
    *  with slow applications and under heavy loads.
    */
   if (!rep || vc_kbd_mode(kbd,VC_REPEAT) ) {
 /*
   ||  (vc_kbd_mode(kbd,VC_REPEAT) && tty &&
        (L_ECHO(tty) || (tty->driver.chars_in_buffer(tty) == 0)))) {
 */
     u_short keysym;
     u_char type;
 
     /* the XOR below used to be an OR */
     int shift_final = shift_state ^ kbd->lockstate ^ kbd->slockstate;
     ushort *key_map = key_maps[shift_final];
 
     if (key_map != NULL) {
       keysym = key_map[keycode];
       type = KTYP(keysym);
 
       if (type >= 0xf0) {
           type -= 0xf0;
           if (raw_mode && ! (TYPES_ALLOWED_IN_RAW_MODE & (1 << type)))
         return;
          if (type == KT_LETTER) {
         type = KT_LATIN;
         if (vc_kbd_led(kbd, VC_CAPSLOCK)) {
             key_map = key_maps[shift_final ^ (1<<KG_SHIFT)];
             if (key_map)
               keysym = key_map[keycode];
         }
           }
 
           (*key_handler[type])(keysym & 0xff, up_flag);
 
           if (type != KT_SLOCK)
             kbd->slockstate = 0;
 
       } else {
           /* maybe only if (kbd->kbdmode == VC_UNICODE) ? */
           if (!up_flag && !raw_mode)
             to_utf8(keysym);
       }
     } else {
       /* maybe beep? */
       /* we have at least to update shift_state */
 #if 1      /* how? two almost equivalent choices follow */
       compute_shiftstate();
 #else
       keysym = U(plain_map[keycode]);
       type = KTYP(keysym);
       if (type == KT_SHIFT)
         (*key_handler[type])(keysym & 0xff, up_flag);
 #endif
     }
   }
 }
 
 static void ( *driver_input_handler_kbd )( void *, unsigned short, unsigned long ) = 0;
 /*
  */
 void kbd_set_driver_handler(
   void ( *handler )( void *, unsigned short, unsigned long )
 )
 {
   driver_input_handler_kbd = handler;
 }
 
 static void put_queue(int ch)
 {
   if ( driver_input_handler_kbd ) {
     driver_input_handler_kbd(  ( void *)kbd, (unsigned short)ch,  0 );
   } else {
     add_to_queue( ch );
   }
 }
 
 static void puts_queue(char *cp)
 {
   while (*cp) {
      put_queue( *cp );
     cp++;
   }
 }
 
 static void applkey(int key, char mode)
 {
   static char buf[] = { 0x1b, 'O', 0x00, 0x00 };
 
   buf[1] = (mode ? 'O' : '[');
   buf[2] = key;
   puts_queue(buf);
 }
 
 static void enter(void)
 {
   if (diacr) {
     put_queue(diacr);
     diacr = 0;
   }
   put_queue(13);
 
   if (vc_kbd_mode(kbd,VC_CRLF))
     put_queue(10);
 }
 
 static void caps_toggle(void)
 {
   if (rep)
     return;
   chg_vc_kbd_led(kbd, VC_CAPSLOCK);
 }
 
 static void caps_on(void)
 {
   if (rep)
     return;
   set_vc_kbd_led(kbd, VC_CAPSLOCK);
 }
 
 static void show_ptregs(void)
 {
 }
 
 static void hold(void)
 {
   if (rep )
     return;
    chg_vc_kbd_led(kbd, VC_SCROLLOCK );
 }
 
 static void num(void)
 {
   if (vc_kbd_mode(kbd,VC_APPLIC))
     applkey('P', 1);
   else
     bare_num();
 }
 
 /*
  * Bind this to Shift-NumLock if you work in application keypad mode
  * but want to be able to change the NumLock flag.
  * Bind this to NumLock if you prefer that the NumLock key always
  * changes the NumLock flag.
  */
 static void bare_num(void)
 {
   if (!rep)
     chg_vc_kbd_led(kbd,VC_NUMLOCK);
 }
 
 static void lastcons(void)
 {
 }
 
 static void decr_console(void)
 {
 }
 
 static void incr_console(void)
 {
 }
 
 static void send_intr(void)
 {
 }
 
 static void scroll_forw(void)
 {
 }
 
 static void scroll_back(void)
 {
 }
 
 static void compose(void)
 {
   dead_key_next = 1;
 }
 
 int spawnpid, spawnsig;
 
 static void spawn_console(void)
 {
 }
 
 static void SAK(void)
 {
 }
 
 static void do_ignore(unsigned char value, char up_flag)
 {
 }
 
 static void do_null()
 {
   compute_shiftstate();
 }
 
 static void do_spec(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;
   if (value >= SIZE(spec_fn_table))
     return;
 
   if ((kbd->kbdmode == VC_RAW || kbd->kbdmode == VC_MEDIUMRAW) &&
       !(SPECIALS_ALLOWED_IN_RAW_MODE & (1 << value)))
     return;
 
   spec_fn_table[value]();
 }
 
 static void do_lowercase(unsigned char value, char up_flag)
 {
 }
 
 static void do_self(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;    /* no action, if this is a key release */
 
   if (diacr)
     value = handle_diacr(value);
 
   if (dead_key_next) {
     dead_key_next = 0;
     diacr = value;
     return;
   }
   put_queue(value);
 }
 
 #define A_GRAVE  '`'
 #define A_ACUTE  '\''
 #define A_CFLEX  '^'
 #define A_TILDE  '~'
 #define A_DIAER  '"'
 #define A_CEDIL  ','
 static unsigned char ret_diacr[NR_DEAD] =
   {A_GRAVE, A_ACUTE, A_CFLEX, A_TILDE, A_DIAER, A_CEDIL };
 
 /* Obsolete - for backwards compatibility only */
 static void do_dead(unsigned char value, char up_flag)
 {
   value = ret_diacr[value];
    printk( " do_dead( %X ) ", value );
   do_dead2(value,up_flag);
 }
 
 /*
  * Handle dead key. Note that we now may have several
  * dead keys modifying the same character. Very useful
  * for Vietnamese.
  */
 static void do_dead2(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;
   diacr = (diacr ? handle_diacr(value) : value);
 }
 
 /*
  * We have a combining character DIACR here, followed by the character CH.
  * If the combination occurs in the table, return the corresponding value.
  * Otherwise, if CH is a space or equals DIACR, return DIACR.
  * Otherwise, conclude that DIACR was not combining after all,
  * queue it and return CH.
  */
 unsigned char handle_diacr(unsigned char ch)
 {
   int d = diacr;
   int i;
 
   diacr = 0;
 
   for (i = 0; i < accent_table_size; i++) {
     if (accent_table[i].diacr == d && accent_table[i].base == ch)
       return accent_table[i].result;
   }
   if (ch == ' ' || ch == d)
     return d;
 
   put_queue(d);
   return ch;
 }
 
 static void do_cons(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;
 }
 
 static void do_fn(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;
 
   if (value < SIZE(func_table)) {
     if (func_table[value])
       puts_queue(func_table[value]);
   } else
     printk( "do_fn called with value=%d\n", value);
 }
 
 static void do_pad(unsigned char value, char up_flag)
 {
   static const char *pad_chars = "0123456789+-*/\015,.?()";
   static const char *app_map = "pqrstuvwxylSRQMnnmPQ";
 
   if (up_flag)
     return;    /* no action, if this is a key release */
 
   /* kludge... shift forces cursor/number keys */
   if (vc_kbd_mode(kbd,VC_APPLIC) && !k_down[KG_SHIFT]) {
     applkey(app_map[value], 1);
     return;
   }
   if (!vc_kbd_led(kbd,VC_NUMLOCK))
     switch (value) {
       case KVAL(K_PCOMMA):
       case KVAL(K_PDOT):
         do_fn(KVAL(K_REMOVE), 0);
         return;
       case KVAL(K_P0):
         do_fn(KVAL(K_INSERT), 0);
         return;
       case KVAL(K_P1):
         do_fn(KVAL(K_SELECT), 0);
         return;
       case KVAL(K_P2):
         do_cur(KVAL(K_DOWN), 0);
         return;
       case KVAL(K_P3):
         do_fn(KVAL(K_PGDN), 0);
         return;
       case KVAL(K_P4):
         do_cur(KVAL(K_LEFT), 0);
         return;
       case KVAL(K_P6):
         do_cur(KVAL(K_RIGHT), 0);
         return;
       case KVAL(K_P7):
         do_fn(KVAL(K_FIND), 0);
         return;
       case KVAL(K_P8):
         do_cur(KVAL(K_UP), 0);
         return;
       case KVAL(K_P9):
         do_fn(KVAL(K_PGUP), 0);
         return;
       case KVAL(K_P5):
         applkey('G', vc_kbd_mode(kbd, VC_APPLIC));
         return;
     }
 
   put_queue(pad_chars[value]);
 
   if (value == KVAL(K_PENTER) && vc_kbd_mode(kbd, VC_CRLF))
     put_queue(10);
 
 }
 
 static void do_cur(unsigned char value, char up_flag)
 {
   static const char *cur_chars = "BDCA";
   if (up_flag)
     return;
 
   applkey(cur_chars[value], vc_kbd_mode(kbd,VC_CKMODE));
 }
 
 static void do_shift(unsigned char value, char up_flag)
 {
   int old_state = shift_state;
 
   if (rep)
     return;
 
   /* Mimic typewriter:
      a CapsShift key acts like Shift but undoes CapsLock */
   if (value == KVAL(K_CAPSSHIFT)) {
     value = KVAL(K_SHIFT);
     if (!up_flag)
       clr_vc_kbd_led(kbd, VC_CAPSLOCK);
   }
 
   if (up_flag) {
     /* handle the case that two shift or control
        keys are depressed simultaneously */
     if (k_down[value])
       k_down[value]--;
   } else
     k_down[value]++;
 
   if (k_down[value])
     shift_state |= (1 << value);
   else
     shift_state &= ~ (1 << value);
 
   /* kludge */
   if (up_flag && shift_state != old_state && npadch != -1) {
     if (kbd->kbdmode == VC_UNICODE)
       to_utf8(npadch & 0xffff);
     else
      put_queue(npadch & 0xff);
     npadch = -1;
   }
 }
 
 /* called after returning from RAW mode or when changing consoles -
    recompute k_down[] and shift_state from key_down[] */
 /* maybe called when keymap is undefined, so that shiftkey release is seen */
 void compute_shiftstate(void)
 {
   int i, j, k, sym, val;
 
   shift_state = 0;
   for(i=0; i < SIZE(k_down); i++)
     k_down[i] = 0;
 
   for(i=0; i < SIZE(key_down); i++)
     if(atomic_load(key_down + i)) {  /* skip this word if not a single bit on */
       k = i*KBD_BITS_PER_ELEMENT;
       for(j=0; j<KBD_BITS_PER_ELEMENT; j++,k++)
         if(kbd_test_bit(k, key_down)) {
     sym = U(plain_map[k]);
     if(KTYP(sym) == KT_SHIFT) {
       val = KVAL(sym);
       if (val == KVAL(K_CAPSSHIFT))
         val = KVAL(K_SHIFT);
       k_down[val]++;
       shift_state |= (1<<val);
     }
         }
     }
 }
 
 static void do_meta(unsigned char value, char up_flag)
 {
   if (up_flag)
     return;
 
   if (vc_kbd_mode(kbd, VC_META)) {
     put_queue('\033');
     put_queue(value);
   } else
     put_queue(value | 0x80);
 }
 
 static void do_ascii(unsigned char value, char up_flag)
 {
   int base;
 
   if (up_flag)
     return;
 
   if (value < 10)    /* decimal input of code, while Alt depressed */
       base = 10;
   else {       /* hexadecimal input of code, while AltGr depressed */
       value -= 10;
       base = 16;
   }
 
   if (npadch == -1)
     npadch = value;
   else
     npadch = npadch * base + value;
 }
 
 static void do_lock(unsigned char value, char up_flag)
 {
   if (up_flag || rep)
     return;
   chg_vc_kbd_lock(kbd, value);
 }
 
 static void do_slock(unsigned char value, char up_flag)
 {
   if (up_flag || rep)
     return;
 
   chg_vc_kbd_slock(kbd, value);
 }
 
 /*
  * The leds display either (i) the status of NumLock, CapsLock, ScrollLock,
  * or (ii) whatever pattern of lights people want to show using KDSETLED,
  * or (iii) specified bits of specified words in kernel memory.
  */
 
 static unsigned char ledstate = 0xff; /* undefined */
 static unsigned char ledioctl;
 
 unsigned char getledstate(void) {
   return ledstate;
 }
 
 void setledstate(struct kbd_struct *kbd, unsigned int led) {
   if (!(led & ~7)) {
     ledioctl = led;
      kbd->ledmode = LED_SHOW_IOCTL;
   } else
     ;
   kbd->ledmode = LED_SHOW_FLAGS;
   set_leds();
 }
 
 static struct ledptr {
   unsigned int *addr;
   unsigned int mask;
   unsigned char valid:1;
 } ledptrs[3];
 
 void register_leds(
   int console,
   unsigned int led,
   unsigned int *addr,
   unsigned int mask
 )
 {
   struct kbd_struct *kbd = kbd_table + console;
 
   if (led < 3) {
     ledptrs[led].addr = addr;
     ledptrs[led].mask = mask;
     ledptrs[led].valid = 1;
     kbd->ledmode = LED_SHOW_MEM;
   } else
     kbd->ledmode = LED_SHOW_FLAGS;
 }
 
 static inline unsigned char getleds(void)
 {
 
     struct kbd_struct *kbd = kbd_table + fg_console;
 
     unsigned char leds;
 
     if (kbd->ledmode == LED_SHOW_IOCTL)
       return ledioctl;
     leds = kbd->ledflagstate;
     if (kbd->ledmode == LED_SHOW_MEM) {
   if (ledptrs[0].valid) {
       if (*ledptrs[0].addr & ledptrs[0].mask)
         leds |= 1;
       else
         leds &= ~1;
   }
   if (ledptrs[1].valid) {
       if (*ledptrs[1].addr & ledptrs[1].mask)
         leds |= 2;
       else
         leds &= ~2;
   }
   if (ledptrs[2].valid) {
       if (*ledptrs[2].addr & ledptrs[2].mask)
         leds |= 4;
       else
         leds &= ~4;
   }
     }
    return leds;
 }
 
 /*
  * This routine is the bottom half of the keyboard interrupt
  * routine, and runs with all interrupts enabled. It does
  * console changing, led setting and copy_to_cooked, which can
  * take a reasonably long time.
  *
  * Aside from timing (which isn't really that important for
  * keyboard interrupts as they happen often), using the software
  * interrupt routines for this thing allows us to easily mask
  * this when we don't want any of the above to happen. Not yet
  * used, but this allows for easy and efficient race-condition
  * prevention later on.
  */
 static void kbd_bh(void)
 {
   unsigned char leds = getleds();
   if (leds != ledstate) {
     ledstate = leds;
     kbd_leds(leds);
   }
 }
 
 void set_leds(void)
 {
   kbd_bh();
 }
 
 int kbd_init(void)
 {
 
   int i;
   struct kbd_struct kbd0;
   kbd0.ledflagstate = kbd0.default_ledflagstate = KBD_DEFLEDS;
    kbd0.ledmode = LED_SHOW_MEM;
   kbd0.lockstate = KBD_DEFLOCK;
   kbd0.slockstate = 0;
   kbd0.modeflags = KBD_DEFMODE;
   kbd0.kbdmode = VC_XLATE;
 
   for (i = 0 ; i < MAX_NR_CONSOLES ; i++)
     kbd_table[i] = kbd0;
 
   kbd_init_hw();
   mark_bh(KEYBOARD_BH);
   return 0;
 }

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