video.xx.c File Reference

video operations More...

#include <video.h>
#include <memory.h>
#include <ports.h>
#include <strings.h>
#include <utils.h>
#include <systeminfo.h>
#include <cpu.h>
#include <cpu/sync.h>
#include <list.h>
#include <pci.h>
#include <driver/video_virtio.h>
#include <driver/video_vmwaresvga.h>
#include <logging.h>
#include <apic.h>

Macros
#define	VIDEO_TAB_STOP   8

Functions
	MODULE ("turnstone.kernel.hw.video")
void	video_graphics_scroll (void)
	scrolls video up for one line
wchar_t	video_get_wc (const char_t *string, int64_t *idx)
void	video_text_print (const char_t *string)
void	video_graphics_print (const char_t *string)
void	video_display_flush_dummy (uint32_t scanout, uint64_t offset, uint32_t x, uint32_t y, uint32_t width, uint32_t height)
void	video_set_color (uint32_t foreground, uint32_t background)
void	video_refresh_frame_buffer_address (void)
	updates frame buffer address for page mapping changes
void	video_init (void)
	initialize video support on kernel
static void	video_print_glyph (wchar_t wc)
static void	video_text_cursor_toggle (boolean_t flush)
void	video_clear_screen (void)
	clears screen aka write space to all buffer
void	video_print (const char_t *string)
int8_t	video_copy_contents_to_frame_buffer (uint8_t *buffer, uint64_t new_width, uint64_t new_height, uint64_t new_pixels_per_scanline)
int8_t	video_move_text_cursor (int32_t x, int32_t y)

Variables
uint16_t	cursor_graphics_x = 0
	cursor postion for column
uint16_t	cursor_graphics_y = 0
	cursor porsition for row
video_psf2_font_t	font_data_start
video_psf2_font_t	font_data_end
uint32_t *	VIDEO_BASE_ADDRESS = NULL
uint32_t	VIDEO_PIXELS_PER_SCANLINE = 0
video_display_flush_f	VIDEO_DISPLAY_FLUSH = NULL
video_move_cursor_f	VIDEO_MOVE_CURSOR = NULL
uint8_t *	FONT_ADDRESS = NULL
int32_t	FONT_WIDTH = 0
int32_t	FONT_HEIGHT = 0
int32_t	FONT_BYTES_PER_GLYPH = 0
int32_t	FONT_CHARS_PER_LINE = 0
int32_t	FONT_LINES_ON_SCREEN = 0
uint32_t	FONT_MASK = 0
uint32_t	FONT_BYTES_PERLINE = 0
boolean_t	GRAPHICS_MODE = 0
int32_t	VIDEO_GRAPHICS_WIDTH = 0
int32_t	VIDEO_GRAPHICS_HEIGHT = 0
uint32_t	VIDEO_GRAPHICS_FOREGROUND = 0xFFFFFF
uint32_t	VIDEO_GRAPHICS_BACKGROUND = 0x000000
lock_t *	video_lock = NULL
wchar_t *	video_font_unicode_table = NULL
static const int32_t	serial_ports [] = {0x3F8, 0x2F8, 0x3E8, 0x2E8}

Detailed Description

video operations

prints string to video buffer and moves cursor

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.