console_struct.h.txt

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相关文件
	/drivers/char/console.c
	/drivers/char/

**********************************基本数据结构*******************************************
struct vc_data {
	 unsigned short  vc_num;/* Console number */
	 unsigned int    vc_cols;/* [#] Console size */
	 unsigned int    vc_rows;
	 unsigned int    vc_size_row;/* Bytes per row */
	 const struct consw *vc_sw;
	 unsigned short  *vc_screenbuf;
	
	 unsigned int    vc_screenbuf_size;
	 unsigned char   vc_attr;/* Current attributes */
	 unsigned char   vc_def_color;/* Default colors */
        unsigned char   vc_color;               /* Foreground & background */
        unsigned char   vc_s_color;             /* Saved foreground & background*/

        unsigned char   vc_ulcolor;             /* Color for underline mode */
        unsigned char   vc_halfcolor;           /* Color for half intensity mode*/

        unsigned short  vc_complement_mask;     /* [#] Xor mask for mouse pointer*/

        unsigned short  vc_hi_font_mask;        /* [#] Attribute set for upper 256 chars of font 
        unsigned short  vc_video_erase_char;    /* Background erase character */
        unsigned short  vc_s_complement_mask;   /* Saved mouse pointer mask */
        unsigned int    vc_x, vc_y;             /* Cursor position */
        unsigned int    vc_top, vc_bottom;      /* Scrolling region */
        unsigned int    vc_state;               /* Escape sequence parser state*/
        unsigned int    vc_npar,vc_par[NPAR];   /* Parameters of current escapesequence */
        unsigned long   vc_origin;              /* [!] Start of real screen */
        unsigned long   vc_scr_end;             /* [!] End of real screen */
        unsigned long   vc_visible_origin;      /* [!] Top of visible window */
 unsigned long   vc_scr_end;             /* [!] End of real screen */
        unsigned long   vc_visible_origin;      /* [!] Top of visible window */
        unsigned long   vc_pos;                 /* Cursor address */
        unsigned int    vc_saved_x;
        unsigned int    vc_saved_y;
        /* mode flags */
        unsigned int    vc_charset      : 1;    /* Character set G0 / G1 */
        unsigned int    vc_s_charset    : 1;    /* Saved character set */
        unsigned int    vc_disp_ctrl    : 1;    /* Display chars < 32? */
        unsigned int    vc_toggle_meta  : 1;    /* Toggle high bit? */
        unsigned int    vc_decscnm      : 1;    /* Screen Mode */
        unsigned int    vc_decom        : 1;    /* Origin Mode */
        unsigned int    vc_decawm       : 1;    /* Autowrap Mode */
        unsigned int    vc_deccm        : 1;    /* Cursor Visible */
        unsigned int    vc_decim        : 1;    /* Insert Mode */
        unsigned int    vc_deccolm      : 1;    /* 80/132 Column Mode */
        /* attribute flags */
        unsigned int    vc_intensity    : 2;    /* 0=half-bright, 1=normal, 2=bold */
        unsigned int    vc_underline    : 1;
        unsigned int    vc_blink        : 1;
        unsigned int    vc_reverse      : 1;
        unsigned int    vc_s_intensity  : 2;    /* saved rendition */
        unsigned int    vc_s_underline  : 1;
        unsigned int    vc_s_blink      : 1;
        unsigned int    vc_s_reverse    : 1;
        /* misc */
        unsigned int    vc_ques         : 1;
        unsigned int    vc_need_wrap    : 1;
        unsigned int    vc_can_do_color : 1;
        unsigned int    vc_report_mouse : 2;
        unsigned int    vc_kmalloced    : 1;
        unsigned char   vc_utf          : 1;    /* Unicode UTF-8 encoding */
	unsigned int    vc_kmalloced    : 1;
        unsigned char   vc_utf          : 1;    /* Unicode UTF-8 encoding */
        unsigned char   vc_utf_count;
                 int    vc_utf_char;
        unsigned int    vc_tab_stop[5];         /* Tab stops. 160 columns. */
        unsigned char   vc_palette[16*3];       /* Colour palette for VGA+ */
        unsigned short * vc_translate;
        unsigned char   vc_G0_charset;
        unsigned char   vc_G1_charset;
        unsigned char   vc_saved_G0;
        unsigned char   vc_saved_G1;
        unsigned int    vc_bell_pitch;          /* Console bell pitch */
        unsigned int    vc_bell_duration;       /* Console bell duration */
        unsigned int    vc_cursor_type;
        struct vc_data **vc_display_fg;         /* [!] Ptr to var holding fg console for this y /
        unsigned long   vc_uni_pagedir;
        unsigned long   *vc_uni_pagedir_loc;  /* [!] Location of uni_pagedir variable for this e 
        /* additional information is in vt_kern.h */
};


struct vc {
        struct vc_data *d;

        /* might add  scrmem, vt_struct, kbd  at some time,
           to have everything in one place - the disadvantage
           would be that vc_cons etc can no longer be static */
};


*****************************************************************************************