pintos/src/devices/vga.c File Reference

#include "devices/vga.h"
#include <round.h>
#include <stdint.h>
#include <stddef.h>
#include <string.h>
#include "devices/speaker.h"
#include "threads/io.h"
#include "threads/interrupt.h"
#include "threads/vaddr.h"

Go to the source code of this file.

Defines
#define	COL_CNT   80
#define	ROW_CNT   25
#define	GRAY_ON_BLACK   0x07
Functions
static void	clear_row (size_t y)
static void	cls (void)
static void	newline (void)
static void	move_cursor (void)
static void	find_cursor (size_t *x, size_t *y)
static void	init (void)
void	vga_putc (int c)
Variables
static size_t	cx
static size_t	cy
static uint8_t(*	fb )[COL_CNT][2]

---

Define Documentation

#define COL_CNT   80

Definition at line 15 of file vga.c.

Referenced by clear_row(), find_cursor(), move_cursor(), and vga_putc().

#define GRAY_ON_BLACK   0x07

Definition at line 23 of file vga.c.

Referenced by clear_row(), and vga_putc().

#define ROW_CNT   25

Definition at line 16 of file vga.c.

Referenced by cls(), and newline().

---

Function Documentation

static void clear_row

(

size_t

y

)

[static]

Definition at line 121 of file vga.c.

References COL_CNT, fb, GRAY_ON_BLACK, and x.

Referenced by cls(), and newline().

static void cls

(

void

)

[static]

Definition at line 108 of file vga.c.

References clear_row(), cx, cy, move_cursor(), and ROW_CNT.

Referenced by vga_putc().

static void find_cursor	(	size_t *	x,
		size_t *	y
	)			[static]

Definition at line 160 of file vga.c.

References COL_CNT, inb(), and outb().

Referenced by init().

static void init

(

void

)

[static]

Definition at line 38 of file vga.c.

References cx, cy, fb, find_cursor(), inited, and ptov().

Referenced by parallel_merge(), test_main(), and vga_putc().

static void move_cursor

(

void

)

[static]

Definition at line 150 of file vga.c.

References COL_CNT, cx, cy, and outw().

Referenced by cls(), and vga_putc().

static void newline

(

void

)

[static]

Definition at line 136 of file vga.c.

References clear_row(), cx, cy, fb, memmove(), and ROW_CNT.

Referenced by vga_putc().

void vga_putc

(

int

c

)

Definition at line 53 of file vga.c.

References cls(), COL_CNT, cx, cy, fb, GRAY_ON_BLACK, init(), intr_disable(), intr_set_level(), move_cursor(), newline(), ROUND_UP, and speaker_beep().

Referenced by putchar_have_lock().

---

Variable Documentation

size_t cx [static]

Definition at line 20 of file vga.c.

Referenced by cls(), init(), move_cursor(), newline(), and vga_putc().

size_t cy [static]

Definition at line 20 of file vga.c.

Referenced by cls(), init(), move_cursor(), newline(), and vga_putc().

uint8_t(* fb)[COL_CNT][2] [static]

Definition at line 28 of file vga.c.

Referenced by clear_row(), init(), newline(), and vga_putc().