Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * console_struct.h |
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| 3 | * |
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| 4 | * Data structure describing single virtual console except for data |
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| 5 | * used by vt.c. |
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| 6 | * |
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| 7 | * Fields marked with [#] must be set by the low-level driver. |
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| 8 | * Fields marked with [!] can be changed by the low-level driver |
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| 9 | * to achieve effects such as fast scrolling by changing the origin. |
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| 10 | */ |
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| 11 | |||
| 12 | #define NPAR 16 |
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| 13 | |||
| 14 | struct vc_data { |
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| 15 | unsigned short vc_num; /* Console number */ |
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| 16 | unsigned int vc_cols; /* [#] Console size */ |
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| 17 | unsigned int vc_rows; |
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| 18 | unsigned int vc_size_row; /* Bytes per row */ |
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| 19 | unsigned int vc_scan_lines; /* # of scan lines */ |
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| 20 | unsigned long vc_origin; /* [!] Start of real screen */ |
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| 21 | unsigned long vc_scr_end; /* [!] End of real screen */ |
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| 22 | unsigned long vc_visible_origin; /* [!] Top of visible window */ |
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| 23 | unsigned int vc_top, vc_bottom; /* Scrolling region */ |
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| 24 | const struct consw *vc_sw; |
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| 25 | unsigned short *vc_screenbuf; /* In-memory character/attribute buffer */ |
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| 26 | unsigned int vc_screenbuf_size; |
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| 27 | /* attributes for all characters on screen */ |
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| 28 | unsigned char vc_attr; /* Current attributes */ |
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| 29 | unsigned char vc_def_color; /* Default colors */ |
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| 30 | unsigned char vc_color; /* Foreground & background */ |
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| 31 | unsigned char vc_s_color; /* Saved foreground & background */ |
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| 32 | unsigned char vc_ulcolor; /* Color for underline mode */ |
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| 33 | unsigned char vc_halfcolor; /* Color for half intensity mode */ |
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| 34 | /* cursor */ |
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| 35 | unsigned int vc_cursor_type; |
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| 36 | unsigned short vc_complement_mask; /* [#] Xor mask for mouse pointer */ |
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| 37 | unsigned short vc_s_complement_mask; /* Saved mouse pointer mask */ |
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| 38 | unsigned int vc_x, vc_y; /* Cursor position */ |
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| 39 | unsigned int vc_saved_x, vc_saved_y; |
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| 40 | unsigned long vc_pos; /* Cursor address */ |
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| 41 | /* fonts */ |
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| 42 | unsigned short vc_hi_font_mask; /* [#] Attribute set for upper 256 chars of font or 0 if not supported */ |
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| 43 | struct console_font_op vc_font; /* Current VC font set */ |
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| 44 | unsigned short vc_video_erase_char; /* Background erase character */ |
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| 45 | /* VT terminal data */ |
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| 46 | unsigned int vc_state; /* Escape sequence parser state */ |
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| 47 | unsigned int vc_npar,vc_par[NPAR]; /* Parameters of current escape sequence */ |
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| 48 | struct tty_struct *vc_tty; /* TTY we are attached to */ |
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| 49 | /* mode flags */ |
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| 50 | unsigned int vc_charset : 1; /* Character set G0 / G1 */ |
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| 51 | unsigned int vc_s_charset : 1; /* Saved character set */ |
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| 52 | unsigned int vc_disp_ctrl : 1; /* Display chars < 32? */ |
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| 53 | unsigned int vc_toggle_meta : 1; /* Toggle high bit? */ |
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| 54 | unsigned int vc_decscnm : 1; /* Screen Mode */ |
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| 55 | unsigned int vc_decom : 1; /* Origin Mode */ |
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| 56 | unsigned int vc_decawm : 1; /* Autowrap Mode */ |
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| 57 | unsigned int vc_deccm : 1; /* Cursor Visible */ |
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| 58 | unsigned int vc_decim : 1; /* Insert Mode */ |
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| 59 | unsigned int vc_deccolm : 1; /* 80/132 Column Mode */ |
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| 60 | /* attribute flags */ |
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| 61 | unsigned int vc_intensity : 2; /* 0=half-bright, 1=normal, 2=bold */ |
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| 62 | unsigned int vc_underline : 1; |
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| 63 | unsigned int vc_blink : 1; |
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| 64 | unsigned int vc_reverse : 1; |
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| 65 | unsigned int vc_s_intensity : 2; /* saved rendition */ |
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| 66 | unsigned int vc_s_underline : 1; |
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| 67 | unsigned int vc_s_blink : 1; |
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| 68 | unsigned int vc_s_reverse : 1; |
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| 69 | /* misc */ |
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| 70 | unsigned int vc_ques : 1; |
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| 71 | unsigned int vc_need_wrap : 1; |
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| 72 | unsigned int vc_can_do_color : 1; |
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| 73 | unsigned int vc_report_mouse : 2; |
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| 74 | unsigned int vc_kmalloced : 1; |
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| 75 | unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ |
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| 76 | unsigned char vc_utf_count; |
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| 77 | int vc_utf_char; |
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| 78 | unsigned int vc_tab_stop[8]; /* Tab stops. 256 columns. */ |
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| 79 | unsigned char vc_palette[16*3]; /* Colour palette for VGA+ */ |
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| 80 | unsigned short * vc_translate; |
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| 81 | unsigned char vc_G0_charset; |
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| 82 | unsigned char vc_G1_charset; |
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| 83 | unsigned char vc_saved_G0; |
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| 84 | unsigned char vc_saved_G1; |
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| 85 | unsigned int vc_bell_pitch; /* Console bell pitch */ |
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| 86 | unsigned int vc_bell_duration; /* Console bell duration */ |
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| 87 | struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */ |
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| 88 | unsigned long vc_uni_pagedir; |
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| 89 | unsigned long *vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */ |
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| 90 | /* additional information is in vt_kern.h */ |
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| 91 | }; |
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| 92 | |||
| 93 | struct vc { |
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| 94 | struct vc_data *d; |
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| 95 | |||
| 96 | /* might add scrmem, vt_struct, kbd at some time, |
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| 97 | to have everything in one place - the disadvantage |
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| 98 | would be that vc_cons etc can no longer be static */ |
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| 99 | }; |
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| 100 | |||
| 101 | extern struct vc vc_cons [MAX_NR_CONSOLES]; |
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| 102 | |||
| 103 | #define CUR_DEF 0 |
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| 104 | #define CUR_NONE 1 |
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| 105 | #define CUR_UNDERLINE 2 |
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| 106 | #define CUR_LOWER_THIRD 3 |
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| 107 | #define CUR_LOWER_HALF 4 |
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| 108 | #define CUR_TWO_THIRDS 5 |
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| 109 | #define CUR_BLOCK 6 |
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| 110 | #define CUR_HWMASK 0x0f |
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| 111 | #define CUR_SWMASK 0xfff0 |
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| 112 | |||
| 113 | #define CUR_DEFAULT CUR_UNDERLINE |
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| 114 | |||
| 115 | #define CON_IS_VISIBLE(conp) (*conp->vc_display_fg == conp) |