console.c File Reference

#include <console/console.h>
#include <hal/graphic/graphic.h>
#include <libk/serial.h>
#include <memory/kalloc.h>
#include <spinlock.h>
#include <str.h>
#include <type.h>
#include <hal/cpu/irq_lock.h>

Go to the source code of this file.

Data Structures
struct	console_entry_t
struct	console_ring_buffer_t

Macros
#define	SLOT_EMPTY   0x00
#define	SLOT_WRITING   0xFE
#define	SLOT_DROPPED   0xFF
#define	CONSOLE_BUFFER_SIZE   2048
#define	CONSOLE_BUFFER_MASK   (CONSOLE_BUFFER_SIZE - 1)
#define	SPIN_LIMIT   500000u
#define	FLUSH_TEMP()

Functions
static void	do_scroll (void)
static void	advance_cursor (void)
static void	put_char_raw (char c, uint32_t color)
static bool	reserve_slot (uint32_t *out_idx)
static void	put_into_buffer (const char *str, uint8_t len, uint32_t color)
static void	console_flush (void)
int	console_get_pos_x (void)
int	console_get_pos_y (void)
void	console_println (const char *str)
void	console_print (const char *str, uint64_t len)
static char *	val_to_str (uint64_t val, uint64_t base)
static void	vprintf_internal (const char *fmt, __builtin_va_list args)
void	console_printf (const char *fmt,...)
void	console_vaprintf (const char *fmt, __builtin_va_list args)
void	console_newline (void)
void	console_chfg (uint32_t color)
void	console_add_space (int n)
void	console_set_pos (int x, int y)

Variables
static console_ring_buffer_t	__console_buffer = {0}
static volatile unsigned char	__console_flush_lock = 0
static spinlock_t	__console_producer_lock = {0}
static int	pos_x = 0
static int	pos_y = 0
static uint32_t	fgcolor = 0xFFFFFFFF

Macro Definition Documentation

CONSOLE_BUFFER_MASK

#define CONSOLE_BUFFER_MASK   (CONSOLE_BUFFER_SIZE - 1)

Definition at line 14 of file console.c.

Referenced by console_flush(), and reserve_slot().

CONSOLE_BUFFER_SIZE

#define CONSOLE_BUFFER_SIZE   2048

Definition at line 13 of file console.c.

Referenced by reserve_slot().

FLUSH_TEMP

#define FLUSH_TEMP

(

)

Value:

    if (tidx > 0) {                                                        \
        put_into_buffer(temp, (uint8_t)tidx, fgcolor);                 \
        tidx = 0;                                                      \
    }

Referenced by vprintf_internal().

SLOT_DROPPED

#define SLOT_DROPPED   0xFF

Definition at line 11 of file console.c.

Referenced by console_flush(), put_into_buffer(), put_into_buffer(), and serial2_flush().

SLOT_EMPTY

#define SLOT_EMPTY   0x00

Definition at line 9 of file console.c.

Referenced by console_flush(), put_into_buffer(), put_into_buffer(), serial2_flush(), vxAddWorkqueueTask(), and workqueue_process().

SLOT_WRITING

#define SLOT_WRITING   0xFE

Definition at line 10 of file console.c.

Referenced by console_flush(), put_into_buffer(), put_into_buffer(), and serial2_flush().

SPIN_LIMIT

#define SPIN_LIMIT   500000u

Definition at line 15 of file console.c.

Referenced by console_flush(), put_into_buffer(), put_into_buffer(), and serial2_flush().

Function Documentation

advance_cursor()

static void advance_cursor ( void )

static

Definition at line 44 of file console.c.

References do_scroll(), pos_x, pos_y, screen_cols(), and screen_rows().

Referenced by put_char_raw().

console_add_space()

void console_add_space

(

int

n

)

Definition at line 353 of file console.c.

References __console_producer_lock, console_flush(), fgcolor, flags, irq_restore(), irq_save(), put_into_buffer(), spin_acquire(), and spin_release().

Referenced by kernel_debug_impl().

console_chfg()

void console_chfg

(

uint32_t

color

)

Definition at line 351 of file console.c.

References fgcolor.

Referenced by kernel_debug_impl().

console_flush()

static void console_flush ( void )

static

Definition at line 125 of file console.c.

References __console_buffer, __console_flush_lock, CONSOLE_BUFFER_MASK, console_entry_t::data, console_entry_t::fg, head, console_entry_t::len, len, put_char_raw(), SLOT_DROPPED, SLOT_EMPTY, SLOT_WRITING, SPIN_LIMIT, and tail.

Referenced by console_add_space(), console_newline(), console_print(), console_printf(), console_println(), and console_vaprintf().

console_get_pos_x()

int console_get_pos_x

(

void

)

Definition at line 169 of file console.c.

References pos_x.

console_get_pos_y()

int console_get_pos_y

(

void

)

Definition at line 170 of file console.c.

References pos_y.

console_newline()

void console_newline

(

void

)

Definition at line 340 of file console.c.

References __console_producer_lock, console_flush(), fgcolor, flags, irq_restore(), irq_save(), put_into_buffer(), spin_acquire(), and spin_release().

console_print()

void console_print	(	const char *	str,
		uint64_t	len )

Definition at line 179 of file console.c.

References console_flush(), fgcolor, len, put_into_buffer(), and str().

console_printf()

void console_printf	(	const char *	fmt,
			... )

Definition at line 315 of file console.c.

References __console_producer_lock, console_flush(), flags, irq_restore(), irq_save(), spin_acquire(), spin_release(), and vprintf_internal().

Referenced by kernel_debug_impl().

console_println()

void console_println

(

const char *

str

)

Definition at line 172 of file console.c.

References console_flush(), fgcolor, len, put_into_buffer(), str(), and strlen().

console_set_pos()

void console_set_pos	(	int	x,
		int	y )

Definition at line 371 of file console.c.

References pos_x, pos_y, x, and y.

Referenced by start_tty().

console_vaprintf()

void console_vaprintf	(	const char *	fmt,
		__builtin_va_list	args )

Definition at line 329 of file console.c.

References __console_producer_lock, console_flush(), flags, irq_restore(), irq_save(), spin_acquire(), spin_release(), and vprintf_internal().

Referenced by kernel_debug_impl().

do_scroll()

static void do_scroll ( void )

static

Definition at line 37 of file console.c.

References FONT_SIZE, pos_x, pos_y, rows, screen_rows(), and vxScroll().

Referenced by advance_cursor(), put_char_raw(), and tty_check_and_flush().

put_char_raw()

static void put_char_raw ( char c, uint32_t color )

static

Definition at line 54 of file console.c.

References advance_cursor(), BLACK, do_scroll(), next, pos_x, pos_y, putc(), and screen_rows().

Referenced by console_flush().

put_into_buffer()

static void put_into_buffer ( const char * str, uint8_t len, uint32_t color )

static

Definition at line 97 of file console.c.

References __console_buffer, console_entry_t::data, console_entry_t::fg, idx, console_entry_t::len, len, reserve_slot(), SLOT_DROPPED, SLOT_EMPTY, SLOT_WRITING, SPIN_LIMIT, and str().

Referenced by console_add_space(), console_newline(), console_print(), console_println(), and vprintf_internal().

reserve_slot()

static bool reserve_slot ( uint32_t * out_idx )

static

Definition at line 76 of file console.c.

References __console_buffer, CONSOLE_BUFFER_MASK, CONSOLE_BUFFER_SIZE, head, and tail.

Referenced by put_into_buffer().

val_to_str()

static char * val_to_str ( uint64_t val, uint64_t base )

static

Definition at line 189 of file console.c.

References base, kalloc(), and NULL.

Referenced by vprintf_internal().

vprintf_internal()

static void vprintf_internal ( const char * fmt, __builtin_va_list args )

static

Definition at line 214 of file console.c.

References fgcolor, FLUSH_TEMP, kfree2(), put_into_buffer(), strlen(), and val_to_str().

Referenced by console_printf(), and console_vaprintf().

Variable Documentation

__console_buffer

console_ring_buffer_t __console_buffer = {0}

static

Definition at line 29 of file console.c.

Referenced by console_flush(), put_into_buffer(), and reserve_slot().

__console_flush_lock

volatile unsigned char __console_flush_lock = 0

static

Definition at line 30 of file console.c.

Referenced by console_flush().

__console_producer_lock

spinlock_t __console_producer_lock = {0}

static

Definition at line 31 of file console.c.

Referenced by console_add_space(), console_newline(), console_printf(), and console_vaprintf().

fgcolor

uint32_t fgcolor = 0xFFFFFFFF

static

Definition at line 35 of file console.c.

Referenced by console_add_space(), console_chfg(), console_newline(), console_print(), console_println(), and vprintf_internal().

pos_x

int pos_x = 0

static

Definition at line 33 of file console.c.

Referenced by advance_cursor(), console_get_pos_x(), console_set_pos(), do_scroll(), and put_char_raw().

pos_y

int pos_y = 0

static

Definition at line 34 of file console.c.

Referenced by advance_cursor(), console_get_pos_y(), console_set_pos(), do_scroll(), and put_char_raw().