pintos/src/devices/kbd.c File Reference

#include "devices/kbd.h"
#include <ctype.h>
#include <debug.h>
#include <stdio.h>
#include <string.h>
#include "devices/input.h"
#include "threads/init.h"
#include "threads/interrupt.h"
#include "threads/io.h"

Go to the source code of this file.

Data Structures
struct	keymap
Defines
#define	DATA_REG   0x60
Functions
void	kbd_init (void)
void	kbd_print_stats (void)
static bool	map_key (const struct keymap[], unsigned scancode, uint8_t *)
static void	keyboard_interrupt (struct intr_frame *args UNUSED)
Variables
static bool	left_shift
static bool	right_shift
static bool	left_alt
static bool	right_alt
static bool	left_ctrl
static bool	right_ctrl
static bool	caps_lock
static int64_t	key_cnt
static intr_handler_func	keyboard_interrupt
static struct keymap	invariant_keymap []
static struct keymap	unshifted_keymap []
static struct keymap	shifted_keymap []

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Define Documentation

#define DATA_REG   0x60

Definition at line 13 of file kbd.c.

Referenced by keyboard_interrupt().

---

Function Documentation

void kbd_init

(

void

)

Definition at line 32 of file kbd.c.

References intr_register_ext(), and keyboard_interrupt.

Referenced by main().

void kbd_print_stats

(

void

)

Definition at line 39 of file kbd.c.

References key_cnt, and printf().

Referenced by print_stats().

static void keyboard_interrupt

(

struct intr_frame *args

UNUSED

)

[static]

Definition at line 97 of file kbd.c.

References caps_lock, DATA_REG, debug_backtrace_all(), inb(), input_full(), input_putc(), key_cnt, left_alt, left_ctrl, left_shift, map_key(), NULL, reboot(), right_alt, right_ctrl, right_shift, and tolower().

static bool map_key	(	const struct keymap	k[],
		unsigned	scancode,
		uint8_t *	c
	)			[static]

Definition at line 207 of file kbd.c.

References keymap::chars, keymap::first_scancode, and strlen().

Referenced by keyboard_interrupt().

---

Variable Documentation

bool caps_lock [static]

Definition at line 23 of file kbd.c.

Referenced by keyboard_interrupt().

struct keymap invariant_keymap[] [static]

Initial value:

 
  {
    {0x01, "\033"},             
    {0x0e, "\b"},
    {0x0f, "\tQWERTYUIOP"},
    {0x1c, "\r"},
    {0x1e, "ASDFGHJKL"},
    {0x2c, "ZXCVBNM"},
    {0x37, "*"},
    {0x39, " "},
    {0x53, "\177"},             
    {0, NULL},
  }

Definition at line 56 of file kbd.c.

int64_t key_cnt [static]

Definition at line 26 of file kbd.c.

Referenced by kbd_print_stats(), and keyboard_interrupt().

intr_handler_func keyboard_interrupt [static]

Definition at line 28 of file kbd.c.

Referenced by kbd_init().

bool left_alt [static]

Definition at line 18 of file kbd.c.

Referenced by keyboard_interrupt().

bool left_ctrl [static]

Definition at line 19 of file kbd.c.

Referenced by keyboard_interrupt().

bool left_shift [static]

Definition at line 17 of file kbd.c.

Referenced by keyboard_interrupt().

bool right_alt [static]

Definition at line 18 of file kbd.c.

Referenced by keyboard_interrupt().

bool right_ctrl [static]

Definition at line 19 of file kbd.c.

Referenced by keyboard_interrupt().

bool right_shift [static]

Definition at line 17 of file kbd.c.

Referenced by keyboard_interrupt().

struct keymap shifted_keymap[] [static]

Initial value:

 
  {
    {0x02, "!@#$%^&*()_+"},
    {0x1a, "{}"},
    {0x27, ":\"~"},
    {0x2b, "|"},
    {0x33, "<>?"},
    {0, NULL},
  }

Definition at line 84 of file kbd.c.

struct keymap unshifted_keymap[] [static]

Initial value:

 
  {
    {0x02, "1234567890-="},
    {0x1a, "[]"},
    {0x27, ";'`"},
    {0x2b, "\\"},
    {0x33, ",./"},
    {0, NULL},
  }

Definition at line 72 of file kbd.c.