2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
21 * @APPLE_LICENSE_HEADER_END@
24 * @OSF_FREE_COPYRIGHT@
28 * @APPLE_FREE_COPYRIGHT@
31 * NetBSD: ite.c,v 1.16 1995/07/17 01:24:34 briggs Exp
33 * Copyright (c) 1988 University of Utah.
34 * Copyright (c) 1990, 1993
35 * The Regents of the University of California. All rights reserved.
37 * This code is derived from software contributed to Berkeley by
38 * the Systems Programming Group of the University of Utah Computer
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. All advertising materials mentioning features or use of this software
50 * must display the following acknowledgement:
51 * This product includes software developed by the University of
52 * California, Berkeley and its contributors.
53 * 4. Neither the name of the University nor the names of its contributors
54 * may be used to endorse or promote products derived from this software
55 * without specific prior written permission.
57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69 * from: Utah $Hdr: ite.c 1.28 92/12/20$
71 * @(#)ite.c 8.2 (Berkeley) 1/12/94
77 * The ite module handles the system console; that is, stuff printed
78 * by the kernel and by user programs while "desktop" and X aren't
79 * running. Some (very small) parts are based on hp300's 4.4 ite.c,
80 * hence the above copyright.
82 * -- Brad and Lawrence, June 26th, 1994
88 #include <console/video_console.h>
90 #include <kern/kern_types.h>
91 #include <kern/kalloc.h>
92 #include <kern/debug.h>
93 #include <kern/lock.h>
95 #include <kern/thread_call.h>
98 #include <vm/vm_kern.h>
100 #include <pexpert/pexpert.h>
102 #include "iso_font.c"
105 * Generic Console (Front-End)
106 * ---------------------------
109 struct vc_info vinfo
;
110 /* if panicDialogDesired is true then we use the panic dialog when its */
111 /* allowed otherwise we won't use the panic dialog even if it is allowed */
112 boolean_t panicDialogDesired
;
115 extern int disableConsoleOutput
;
116 static boolean_t gc_enabled
= FALSE
;
117 static boolean_t gc_initialized
= FALSE
;
118 static boolean_t vm_initialized
= FALSE
;
121 void (*initialize
)(struct vc_info
* info
);
122 void (*enable
)(boolean_t enable
);
123 void (*paint_char
)(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
124 void (*clear_screen
)(int xx
, int yy
, int top
, int bottom
, int which
);
125 void (*scroll_down
)(int num
, int top
, int bottom
);
126 void (*scroll_up
)(int num
, int top
, int bottom
);
127 void (*hide_cursor
)(int xx
, int yy
);
128 void (*show_cursor
)(int xx
, int yy
);
129 void (*update_color
)(int color
, boolean_t fore
);
132 static unsigned char * gc_buffer_attributes
= NULL
;
133 static unsigned char * gc_buffer_characters
= NULL
;
134 static unsigned char * gc_buffer_colorcodes
= NULL
;
135 static unsigned long gc_buffer_columns
= 0;
136 static unsigned long gc_buffer_rows
= 0;
137 static unsigned long gc_buffer_size
= 0;
138 decl_simple_lock_data(,gc_buffer_lock
)
142 # 00=none 01=bold 04=underscore 05=blink 07=reverse 08=concealed
144 # 30=black 31=red 32=green 33=yellow 34=blue 35=magenta 36=cyan 37=white
145 # Background color codes:
146 # 40=black 41=red 42=green 43=yellow 44=blue 45=magenta 46=cyan 47=white
152 #define ATTR_REVERSE 4
154 #define COLOR_BACKGROUND 0
155 #define COLOR_FOREGROUND 7
157 #define COLOR_CODE_GET(code, fore) (((code) & ((fore) ? 0xF0 : 0x0F)) >> ((fore) ? 4 : 0))
158 #define COLOR_CODE_SET(code, color, fore) (((code) & ((fore) ? 0x0F : 0xF0)) | ((color) << ((fore) ? 4 : 0)))
160 static unsigned char gc_color_code
= 0;
164 static int gc_x
= 0, gc_y
= 0, gc_savex
, gc_savey
;
165 static int gc_par
[MAXPARS
], gc_numpars
, gc_hanging_cursor
, gc_attr
, gc_saveattr
;
167 /* VT100 tab stops & scroll region */
168 static char gc_tab_stops
[255];
169 static int gc_scrreg_top
, gc_scrreg_bottom
;
171 enum { kProgressAcquireDelay
= 5 /* secs */ };
174 ESnormal
, /* Nothing yet */
176 ESsquare
, /* Got ESC [ */
177 ESgetpars
, /* About to get or getting the parameters */
178 ESgotpars
, /* Finished getting the parameters */
179 ESfunckey
, /* Function key */
180 EShash
, /* DEC-specific stuff (screen align, etc.) */
181 ESsetG0
, /* Specify the G0 character set */
182 ESsetG1
, /* Specify the G1 character set */
185 ESignore
/* Ignore this sequence */
186 } gc_vt100state
= ESnormal
;
188 static int gc_wrap_mode
= 1, gc_relative_origin
= 0;
189 static int gc_charset_select
= 0, gc_save_charset_s
= 0;
190 static int gc_charset
[2] = { 0, 0 };
191 static int gc_charset_save
[2] = { 0, 0 };
193 static void gc_clear_line(int xx
, int yy
, int which
);
194 static void gc_clear_screen(int xx
, int yy
, int top
, int bottom
, int which
);
195 static void gc_enable(boolean_t enable
);
196 static void gc_hide_cursor(int xx
, int yy
);
197 static void gc_initialize(struct vc_info
* info
);
198 static void gc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
);
199 static void gc_putchar(char ch
);
200 static void gc_putc_askcmd(unsigned char ch
);
201 static void gc_putc_charsetcmd(int charset
, unsigned char ch
);
202 static void gc_putc_charsizecmd(unsigned char ch
);
203 static void gc_putc_esc(unsigned char ch
);
204 static void gc_putc_getpars(unsigned char ch
);
205 static void gc_putc_gotpars(unsigned char ch
);
206 static void gc_putc_normal(unsigned char ch
);
207 static void gc_putc_square(unsigned char ch
);
208 static void gc_refresh_screen(void);
209 static void gc_reset_screen(void);
210 static void gc_reset_tabs(void);
211 static void gc_reset_vt100(void);
212 static void gc_scroll_down(int num
, int top
, int bottom
);
213 static void gc_scroll_up(int num
, int top
, int bottom
);
214 static void gc_show_cursor(int xx
, int yy
);
215 static void gc_update_color(int color
, boolean_t fore
);
216 extern int vcputc(int l
, int u
, int c
);
219 gc_clear_line(int xx
, int yy
, int which
)
224 * This routine runs extremely slowly. I don't think it's
225 * used all that often, except for To end of line. I'll go
226 * back and speed this up when I speed up the whole vc
231 case 0: /* To end of line */
233 end
= vinfo
.v_columns
-1;
235 case 1: /* To start of line */
239 case 2: /* Whole line */
241 end
= vinfo
.v_columns
-1;
245 for (i
= start
; i
<= end
; i
++) {
246 gc_paint_char(i
, yy
, ' ', ATTR_NONE
);
252 gc_clear_screen(int xx
, int yy
, int top
, int bottom
, int which
)
257 simple_lock(&gc_buffer_lock
);
259 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
&& bottom
<= gc_buffer_rows
)
261 unsigned long start
, end
;
264 case 0: /* To end of screen */
265 start
= (yy
* gc_buffer_columns
) + xx
;
266 end
= (bottom
* gc_buffer_columns
) - 1;
268 case 1: /* To start of screen */
269 start
= (top
* gc_buffer_columns
);
270 end
= (yy
* gc_buffer_columns
) + xx
;
272 case 2: /* Whole screen */
273 start
= (top
* gc_buffer_columns
);
274 end
= (bottom
* gc_buffer_columns
) - 1;
278 memset(gc_buffer_attributes
+ start
, 0x00, end
- start
+ 1);
279 memset(gc_buffer_characters
+ start
, 0x00, end
- start
+ 1);
280 memset(gc_buffer_colorcodes
+ start
, gc_color_code
, end
- start
+ 1);
283 simple_unlock(&gc_buffer_lock
);
286 gc_ops
.clear_screen(xx
, yy
, top
, bottom
, which
);
290 gc_enable( boolean_t enable
)
292 unsigned char * buffer_attributes
;
293 unsigned char * buffer_characters
;
294 unsigned char * buffer_colorcodes
;
295 unsigned long buffer_columns
;
296 unsigned long buffer_rows
;
297 unsigned long buffer_size
;
301 if ( enable
== FALSE
)
303 disableConsoleOutput
= TRUE
;
305 gc_ops
.enable(FALSE
);
309 simple_lock( &gc_buffer_lock
);
311 if ( gc_buffer_size
)
313 buffer_attributes
= gc_buffer_attributes
;
314 buffer_characters
= gc_buffer_characters
;
315 buffer_colorcodes
= gc_buffer_colorcodes
;
316 buffer_size
= gc_buffer_size
;
318 gc_buffer_attributes
= NULL
;
319 gc_buffer_characters
= NULL
;
320 gc_buffer_colorcodes
= NULL
;
321 gc_buffer_columns
= 0;
325 simple_unlock( &gc_buffer_lock
);
328 kfree( buffer_attributes
, buffer_size
);
329 kfree( buffer_characters
, buffer_size
);
330 kfree( buffer_colorcodes
, buffer_size
);
334 simple_unlock( &gc_buffer_lock
);
340 if ( vm_initialized
)
342 buffer_columns
= vinfo
.v_columns
;
343 buffer_rows
= vinfo
.v_rows
;
344 buffer_size
= buffer_columns
* buffer_rows
;
348 buffer_attributes
= (unsigned char *) kalloc( buffer_size
);
349 buffer_characters
= (unsigned char *) kalloc( buffer_size
);
350 buffer_colorcodes
= (unsigned char *) kalloc( buffer_size
);
352 if ( buffer_attributes
== NULL
||
353 buffer_characters
== NULL
||
354 buffer_colorcodes
== NULL
)
356 if ( buffer_attributes
) kfree( buffer_attributes
, buffer_size
);
357 if ( buffer_characters
) kfree( buffer_characters
, buffer_size
);
358 if ( buffer_colorcodes
) kfree( buffer_colorcodes
, buffer_size
);
366 memset( buffer_attributes
, 0x00, buffer_size
);
367 memset( buffer_characters
, 0x00, buffer_size
);
368 memset( buffer_colorcodes
, 0x0F, buffer_size
);
374 simple_lock( &gc_buffer_lock
);
376 gc_buffer_attributes
= buffer_attributes
;
377 gc_buffer_characters
= buffer_characters
;
378 gc_buffer_colorcodes
= buffer_colorcodes
;
379 gc_buffer_columns
= buffer_columns
;
380 gc_buffer_rows
= buffer_rows
;
381 gc_buffer_size
= buffer_size
;
383 simple_unlock( &gc_buffer_lock
);
390 disableConsoleOutput
= FALSE
;
395 gc_hide_cursor(int xx
, int yy
)
400 simple_lock(&gc_buffer_lock
);
402 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
404 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
405 unsigned char attribute
= gc_buffer_attributes
[index
];
406 unsigned char character
= gc_buffer_characters
[index
];
407 unsigned char colorcode
= gc_buffer_colorcodes
[index
];
408 unsigned char colorcodesave
= gc_color_code
;
410 simple_unlock(&gc_buffer_lock
);
413 gc_update_color(COLOR_CODE_GET(colorcode
, TRUE
), TRUE
);
414 gc_update_color(COLOR_CODE_GET(colorcode
, FALSE
), FALSE
);
416 gc_ops
.paint_char(xx
, yy
, character
, attribute
, 0, 0);
418 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
419 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
423 simple_unlock(&gc_buffer_lock
);
426 gc_ops
.hide_cursor(xx
, yy
);
431 gc_initialize(struct vc_info
* info
)
433 if ( gc_initialized
== FALSE
)
436 simple_lock_init(&gc_buffer_lock
, 0);
438 gc_initialized
= TRUE
;
441 gc_ops
.initialize(info
);
448 gc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
)
453 simple_lock(&gc_buffer_lock
);
455 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
457 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
459 gc_buffer_attributes
[index
] = attrs
;
460 gc_buffer_characters
[index
] = ch
;
461 gc_buffer_colorcodes
[index
] = gc_color_code
;
464 simple_unlock(&gc_buffer_lock
);
467 gc_ops
.paint_char(xx
, yy
, ch
, attrs
, 0, 0);
474 return; /* ignore null characters */
476 switch (gc_vt100state
) {
477 default:gc_vt100state
= ESnormal
; /* FALLTHROUGH */
497 gc_putc_charsizecmd(ch
);
500 gc_putc_charsetcmd(0, ch
);
503 gc_putc_charsetcmd(1, ch
);
507 if (gc_x
>= vinfo
.v_columns
) {
508 gc_x
= vinfo
.v_columns
- 1;
513 if (gc_y
>= vinfo
.v_rows
) {
514 gc_y
= vinfo
.v_rows
- 1;
523 gc_putc_askcmd(unsigned char ch
)
525 if (ch
>= '0' && ch
<= '9') {
526 gc_par
[gc_numpars
] = (10*gc_par
[gc_numpars
]) + (ch
-'0');
529 gc_vt100state
= ESnormal
;
533 gc_relative_origin
= ch
== 'h';
535 case 7: /* wrap around mode h=1, l=0*/
536 gc_wrap_mode
= ch
== 'h';
545 gc_putc_charsetcmd(int charset
, unsigned char ch
)
547 gc_vt100state
= ESnormal
;
553 gc_charset
[charset
] = 0;
555 case '0' : /* Graphic characters */
557 gc_charset
[charset
] = 0x21;
564 gc_putc_charsizecmd(unsigned char ch
)
566 gc_vt100state
= ESnormal
;
574 case '8' : /* fill 'E's */
577 for (yy
= 0; yy
< vinfo
.v_rows
; yy
++)
578 for (xx
= 0; xx
< vinfo
.v_columns
; xx
++)
579 gc_paint_char(xx
, yy
, 'E', ATTR_NONE
);
587 gc_putc_esc(unsigned char ch
)
589 gc_vt100state
= ESnormal
;
593 gc_vt100state
= ESsquare
;
595 case 'c': /* Reset terminal */
597 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, 2);
600 case 'D': /* Line feed */
602 if (gc_y
>= gc_scrreg_bottom
-1) {
603 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
604 gc_y
= gc_scrreg_bottom
- 1;
608 if (ch
== 'E') gc_x
= 0;
610 case 'H': /* Set tab stop */
611 gc_tab_stops
[gc_x
] = 1;
613 case 'M': /* Cursor up */
614 if (gc_y
<= gc_scrreg_top
) {
615 gc_scroll_down(1, gc_scrreg_top
, gc_scrreg_bottom
);
616 gc_y
= gc_scrreg_top
;
624 case '7': /* Save cursor */
627 gc_saveattr
= gc_attr
;
628 gc_save_charset_s
= gc_charset_select
;
629 gc_charset_save
[0] = gc_charset
[0];
630 gc_charset_save
[1] = gc_charset
[1];
632 case '8': /* Restore cursor */
635 gc_attr
= gc_saveattr
;
636 gc_charset_select
= gc_save_charset_s
;
637 gc_charset
[0] = gc_charset_save
[0];
638 gc_charset
[1] = gc_charset_save
[1];
640 case 'Z': /* return terminal ID */
642 case '#': /* change characters height */
643 gc_vt100state
= EScharsize
;
646 gc_vt100state
= ESsetG0
;
648 case ')': /* character set sequence */
649 gc_vt100state
= ESsetG1
;
654 /* Rest not supported */
661 gc_putc_getpars(unsigned char ch
)
664 gc_vt100state
= ESask
;
668 gc_vt100state
= ESnormal
;
672 if (ch
== ';' && gc_numpars
< MAXPARS
- 1) {
675 if (ch
>= '0' && ch
<= '9') {
676 gc_par
[gc_numpars
] *= 10;
677 gc_par
[gc_numpars
] += ch
- '0';
680 gc_vt100state
= ESgotpars
;
686 gc_putc_gotpars(unsigned char ch
)
691 /* special case for vttest for handling cursor
692 movement in escape sequences */
694 gc_vt100state
= ESgotpars
;
697 gc_vt100state
= ESnormal
;
700 gc_y
-= gc_par
[0] ? gc_par
[0] : 1;
701 if (gc_y
< gc_scrreg_top
)
702 gc_y
= gc_scrreg_top
;
705 gc_y
+= gc_par
[0] ? gc_par
[0] : 1;
706 if (gc_y
>= gc_scrreg_bottom
)
707 gc_y
= gc_scrreg_bottom
- 1;
709 case 'C': /* Right */
710 gc_x
+= gc_par
[0] ? gc_par
[0] : 1;
711 if (gc_x
>= vinfo
.v_columns
)
712 gc_x
= vinfo
.v_columns
-1;
715 gc_x
-= gc_par
[0] ? gc_par
[0] : 1;
719 case 'H': /* Set cursor position */
721 gc_x
= gc_par
[1] ? gc_par
[1] - 1 : 0;
722 gc_y
= gc_par
[0] ? gc_par
[0] - 1 : 0;
723 if (gc_relative_origin
)
724 gc_y
+= gc_scrreg_top
;
725 gc_hanging_cursor
= 0;
727 case 'X': /* clear p1 characters */
730 for (i
= gc_x
; i
< gc_x
+ gc_par
[0]; i
++)
731 gc_paint_char(i
, gc_y
, ' ', ATTR_NONE
);
734 case 'J': /* Clear part of screen */
735 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, gc_par
[0]);
737 case 'K': /* Clear part of line */
738 gc_clear_line(gc_x
, gc_y
, gc_par
[0]);
740 case 'g': /* tab stops */
743 case 2: /* reset tab stops */
744 /* gc_reset_tabs(); */
746 case 3: /* Clear every tabs */
750 for (i
= 0; i
<= vinfo
.v_columns
; i
++)
755 gc_tab_stops
[gc_x
] = 0;
759 case 'm': /* Set attribute */
760 for (i
= 0; i
< gc_numpars
; i
++) {
764 gc_update_color(COLOR_BACKGROUND
, FALSE
);
765 gc_update_color(COLOR_FOREGROUND
, TRUE
);
768 gc_attr
|= ATTR_BOLD
;
771 gc_attr
|= ATTR_UNDER
;
774 gc_attr
|= ATTR_REVERSE
;
777 gc_attr
&= ~ATTR_BOLD
;
780 gc_attr
&= ~ATTR_UNDER
;
783 gc_attr
&= ~ATTR_REVERSE
;
786 case 25: /* blink/no blink */
789 if (gc_par
[i
] >= 30 && gc_par
[i
] <= 37)
790 gc_update_color(gc_par
[i
] - 30, TRUE
);
791 if (gc_par
[i
] >= 40 && gc_par
[i
] <= 47)
792 gc_update_color(gc_par
[i
] - 40, FALSE
);
797 case 'r': /* Set scroll region */
799 /* ensure top < bottom, and both within limits */
800 if ((gc_numpars
> 0) && (gc_par
[0] < vinfo
.v_rows
)) {
801 gc_scrreg_top
= gc_par
[0] ? gc_par
[0] - 1 : 0;
802 if (gc_scrreg_top
< 0)
807 if ((gc_numpars
> 1) && (gc_par
[1] <= vinfo
.v_rows
) && (gc_par
[1] > gc_par
[0])) {
808 gc_scrreg_bottom
= gc_par
[1];
809 if (gc_scrreg_bottom
> vinfo
.v_rows
)
810 gc_scrreg_bottom
= vinfo
.v_rows
;
812 gc_scrreg_bottom
= vinfo
.v_rows
;
814 if (gc_relative_origin
)
815 gc_y
= gc_scrreg_top
;
822 gc_putc_normal(unsigned char ch
)
825 case '\a': /* Beep */
827 case 127: /* Delete */
828 case '\b': /* Backspace */
829 if (gc_hanging_cursor
) {
830 gc_hanging_cursor
= 0;
837 while (gc_x
< vinfo
.v_columns
&& !gc_tab_stops
[++gc_x
]);
838 if (gc_x
>= vinfo
.v_columns
)
839 gc_x
= vinfo
.v_columns
-1;
843 case '\n': /* Line feed */
844 if (gc_y
>= gc_scrreg_bottom
-1 ) {
845 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
846 gc_y
= gc_scrreg_bottom
- 1;
851 case '\r': /* Carriage return */
853 gc_hanging_cursor
= 0;
855 case 0x0e: /* Select G1 charset (Control-N) */
856 gc_charset_select
= 1;
858 case 0x0f: /* Select G0 charset (Control-O) */
859 gc_charset_select
= 0;
861 case 0x18 : /* CAN : cancel */
862 case 0x1A : /* like cancel */
863 /* well, i do nothing here, may be later */
865 case '\033': /* Escape */
866 gc_vt100state
= ESesc
;
867 gc_hanging_cursor
= 0;
871 if (gc_hanging_cursor
) {
873 if (gc_y
>= gc_scrreg_bottom
-1 ) {
874 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
875 gc_y
= gc_scrreg_bottom
- 1;
879 gc_hanging_cursor
= 0;
881 gc_paint_char(gc_x
, gc_y
, (ch
>= 0x60 && ch
<= 0x7f) ? ch
+ gc_charset
[gc_charset_select
]
883 if (gc_x
== vinfo
.v_columns
- 1) {
884 gc_hanging_cursor
= gc_wrap_mode
;
895 gc_putc_square(unsigned char ch
)
899 for (i
= 0; i
< MAXPARS
; i
++) {
904 gc_vt100state
= ESgetpars
;
911 gc_refresh_screen(void)
916 simple_lock(&gc_buffer_lock
);
918 if ( gc_buffer_size
)
920 unsigned char colorcodesave
= gc_color_code
;
921 unsigned long column
, row
;
924 for ( index
= 0, row
= 0 ; row
< gc_buffer_rows
; row
++ )
926 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
928 if ( gc_buffer_colorcodes
[index
] != gc_color_code
)
930 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
], TRUE
), TRUE
);
931 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
], FALSE
), FALSE
);
934 gc_ops
.paint_char(column
, row
, gc_buffer_characters
[index
], gc_buffer_attributes
[index
], 0, 0);
938 if ( colorcodesave
!= gc_color_code
)
940 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
941 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
945 simple_unlock(&gc_buffer_lock
);
950 gc_reset_screen(void)
952 gc_hide_cursor(gc_x
, gc_y
);
955 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, 2);
956 gc_show_cursor(gc_x
, gc_y
);
964 for (i
= 0; i
<= vinfo
.v_columns
; i
++) {
965 gc_tab_stops
[i
] = ((i
% 8) == 0);
975 gc_scrreg_bottom
= vinfo
.v_rows
;
977 gc_charset
[0] = gc_charset
[1] = 0;
978 gc_charset_select
= 0;
980 gc_relative_origin
= 0;
981 gc_update_color(COLOR_BACKGROUND
, FALSE
);
982 gc_update_color(COLOR_FOREGROUND
, TRUE
);
986 gc_scroll_down(int num
, int top
, int bottom
)
991 simple_lock(&gc_buffer_lock
);
993 if ( bottom
<= gc_buffer_rows
)
995 unsigned char colorcodesave
= gc_color_code
;
996 unsigned long column
, row
;
997 unsigned long index
, jump
;
999 jump
= num
* gc_buffer_columns
;
1001 for ( row
= bottom
- 1 ; row
>= top
+ num
; row
-- )
1003 index
= row
* gc_buffer_columns
;
1005 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
1007 if ( gc_buffer_attributes
[index
] != gc_buffer_attributes
[index
- jump
] ||
1008 gc_buffer_characters
[index
] != gc_buffer_characters
[index
- jump
] ||
1009 gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
- jump
] )
1011 if ( gc_color_code
!= gc_buffer_colorcodes
[index
- jump
] )
1013 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
- jump
], TRUE
), TRUE
);
1014 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
- jump
], FALSE
), FALSE
);
1017 if ( gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
- jump
] )
1019 gc_ops
.paint_char( /* xx */ column
,
1021 /* ch */ gc_buffer_characters
[index
- jump
],
1022 /* attrs */ gc_buffer_attributes
[index
- jump
],
1023 /* ch_previous */ 0,
1024 /* attrs_previous */ 0 );
1028 gc_ops
.paint_char( /* xx */ column
,
1030 /* ch */ gc_buffer_characters
[index
- jump
],
1031 /* attrs */ gc_buffer_attributes
[index
- jump
],
1032 /* ch_previous */ gc_buffer_characters
[index
],
1033 /* attrs_previous */ gc_buffer_attributes
[index
] );
1036 gc_buffer_attributes
[index
] = gc_buffer_attributes
[index
- jump
];
1037 gc_buffer_characters
[index
] = gc_buffer_characters
[index
- jump
];
1038 gc_buffer_colorcodes
[index
] = gc_buffer_colorcodes
[index
- jump
];
1043 if ( colorcodesave
!= gc_color_code
)
1045 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1046 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1049 simple_unlock(&gc_buffer_lock
);
1054 simple_unlock(&gc_buffer_lock
);
1057 gc_ops
.scroll_down(num
, top
, bottom
);
1060 /* Now set the freed up lines to the background colour */
1062 gc_clear_screen(vinfo
.v_columns
- 1, top
+ num
- 1, top
, bottom
, 1);
1066 gc_scroll_up(int num
, int top
, int bottom
)
1071 simple_lock(&gc_buffer_lock
);
1073 if ( bottom
<= gc_buffer_rows
)
1075 unsigned char colorcodesave
= gc_color_code
;
1076 unsigned long column
, row
;
1077 unsigned long index
, jump
;
1079 jump
= num
* gc_buffer_columns
;
1081 for ( row
= top
; row
< bottom
- num
; row
++ )
1083 index
= row
* gc_buffer_columns
;
1085 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
1087 if ( gc_buffer_attributes
[index
] != gc_buffer_attributes
[index
+ jump
] ||
1088 gc_buffer_characters
[index
] != gc_buffer_characters
[index
+ jump
] ||
1089 gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
+ jump
] )
1091 if ( gc_color_code
!= gc_buffer_colorcodes
[index
+ jump
] )
1093 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
+ jump
], TRUE
), TRUE
);
1094 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
+ jump
], FALSE
), FALSE
);
1097 if ( gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
+ jump
] )
1099 gc_ops
.paint_char( /* xx */ column
,
1101 /* ch */ gc_buffer_characters
[index
+ jump
],
1102 /* attrs */ gc_buffer_attributes
[index
+ jump
],
1103 /* ch_previous */ 0,
1104 /* attrs_previous */ 0 );
1108 gc_ops
.paint_char( /* xx */ column
,
1110 /* ch */ gc_buffer_characters
[index
+ jump
],
1111 /* attrs */ gc_buffer_attributes
[index
+ jump
],
1112 /* ch_previous */ gc_buffer_characters
[index
],
1113 /* attrs_previous */ gc_buffer_attributes
[index
] );
1116 gc_buffer_attributes
[index
] = gc_buffer_attributes
[index
+ jump
];
1117 gc_buffer_characters
[index
] = gc_buffer_characters
[index
+ jump
];
1118 gc_buffer_colorcodes
[index
] = gc_buffer_colorcodes
[index
+ jump
];
1124 if ( colorcodesave
!= gc_color_code
)
1126 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1127 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1130 simple_unlock(&gc_buffer_lock
);
1135 simple_unlock(&gc_buffer_lock
);
1138 gc_ops
.scroll_up(num
, top
, bottom
);
1141 /* Now set the freed up lines to the background colour */
1143 gc_clear_screen(0, bottom
- num
, top
, bottom
, 0);
1147 gc_show_cursor(int xx
, int yy
)
1152 simple_lock(&gc_buffer_lock
);
1154 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
1156 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
1157 unsigned char attribute
= gc_buffer_attributes
[index
];
1158 unsigned char character
= gc_buffer_characters
[index
];
1159 unsigned char colorcode
= gc_buffer_colorcodes
[index
];
1160 unsigned char colorcodesave
= gc_color_code
;
1162 simple_unlock(&gc_buffer_lock
);
1165 gc_update_color(COLOR_CODE_GET(colorcode
, FALSE
), TRUE
);
1166 gc_update_color(COLOR_CODE_GET(colorcode
, TRUE
), FALSE
);
1168 gc_ops
.paint_char(xx
, yy
, character
, attribute
, 0, 0);
1170 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1171 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1175 simple_unlock(&gc_buffer_lock
);
1178 gc_ops
.show_cursor(xx
, yy
);
1183 gc_update_color(int color
, boolean_t fore
)
1185 gc_color_code
= COLOR_CODE_SET(gc_color_code
, color
, fore
);
1186 gc_ops
.update_color(color
, fore
);
1190 vcputc(int l
, int u
, int c
)
1192 if ( gc_enabled
|| debug_mode
)
1194 gc_hide_cursor(gc_x
, gc_y
);
1196 gc_show_cursor(gc_x
, gc_y
);
1203 * Video Console (Back-End)
1204 * ------------------------
1208 * For the color support (Michel Pollet)
1210 static unsigned char vc_color_index_table
[33] =
1211 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1212 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
1214 static unsigned long vc_colors
[8][3] = {
1215 { 0xFFFFFFFF, 0x00000000, 0x00000000 }, /* black */
1216 { 0x23232323, 0x7C007C00, 0x00FF0000 }, /* red */
1217 { 0xb9b9b9b9, 0x03e003e0, 0x0000FF00 }, /* green */
1218 { 0x05050505, 0x7FE07FE0, 0x00FFFF00 }, /* yellow */
1219 { 0xd2d2d2d2, 0x001f001f, 0x000000FF}, /* blue */
1220 // { 0x80808080, 0x31933193, 0x00666699 }, /* blue */
1221 { 0x18181818, 0x7C1F7C1F, 0x00FF00FF }, /* magenta */
1222 { 0xb4b4b4b4, 0x03FF03FF, 0x0000FFFF }, /* cyan */
1223 { 0x00000000, 0x7FFF7FFF, 0x00FFFFFF } /* white */
1226 static unsigned long vc_color_fore
= 0;
1227 static unsigned long vc_color_back
= 0;
1230 * New Rendering code from Michel Pollet
1233 /* Rendered Font Buffer */
1234 static unsigned char *vc_rendered_font
= NULL
;
1236 /* Rendered Font Size */
1237 static unsigned long vc_rendered_font_size
= 0;
1239 /* Size of a character in the table (bytes) */
1240 static int vc_rendered_char_size
= 0;
1242 #define REN_MAX_DEPTH 32
1243 static unsigned char vc_rendered_char
[ISO_CHAR_HEIGHT
* ((REN_MAX_DEPTH
/ 8) * ISO_CHAR_WIDTH
)];
1245 static void vc_clear_screen(int xx
, int yy
, int scrreg_top
, int scrreg_bottom
, int which
);
1246 static void vc_enable(boolean_t enable
);
1247 static void vc_initialize(struct vc_info
* vinfo_p
);
1248 static void vc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1249 static void vc_paint_char_8(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1250 static void vc_paint_char_16(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1251 static void vc_paint_char_32(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1252 static void vc_render_char(unsigned char ch
, unsigned char *renderptr
, short newdepth
);
1253 static void vc_render_font(short newdepth
);
1254 static void vc_reverse_cursor(int xx
, int yy
);
1255 static void vc_scroll_down(int num
, int scrreg_top
, int scrreg_bottom
);
1256 static void vc_scroll_up(int num
, int scrreg_top
, int scrreg_bottom
);
1257 static void vc_update_color(int color
, boolean_t fore
);
1260 vc_clear_screen(int xx
, int yy
, int scrreg_top
, int scrreg_bottom
, int which
)
1262 unsigned long *p
, *endp
, *row
;
1264 int rowline
, rowlongs
;
1269 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1270 rowline
= vinfo
.v_rowscanbytes
>> 2;
1271 rowlongs
= vinfo
.v_rowbytes
>> 2;
1273 p
= (unsigned long*) vinfo
.v_baseaddr
;
1274 endp
= (unsigned long*) vinfo
.v_baseaddr
;
1277 case 0: /* To end of screen */
1278 gc_clear_line(xx
, yy
, 0);
1279 if (yy
< scrreg_bottom
- 1) {
1280 p
+= (yy
+ 1) * linelongs
;
1281 endp
+= scrreg_bottom
* linelongs
;
1284 case 1: /* To start of screen */
1285 gc_clear_line(xx
, yy
, 1);
1286 if (yy
> scrreg_top
) {
1287 p
+= scrreg_top
* linelongs
;
1288 endp
+= yy
* linelongs
;
1291 case 2: /* Whole screen */
1292 p
+= scrreg_top
* linelongs
;
1293 if (scrreg_bottom
== vinfo
.v_rows
) {
1294 endp
+= rowlongs
* vinfo
.v_height
;
1296 endp
+= scrreg_bottom
* linelongs
;
1301 for (row
= p
; row
< endp
; row
+= rowlongs
) {
1302 for (col
= 0; col
< rowline
; col
++)
1303 *(row
+col
) = vc_color_back
;
1308 vc_enable(boolean_t enable
)
1312 vc_render_font(vinfo
.v_depth
);
1317 vc_initialize(struct vc_info
* vinfo_p
)
1319 vinfo
.v_rows
= vinfo
.v_height
/ ISO_CHAR_HEIGHT
;
1320 vinfo
.v_columns
= vinfo
.v_width
/ ISO_CHAR_WIDTH
;
1321 vinfo
.v_rowscanbytes
= (vinfo
.v_depth
/ 8) * vinfo
.v_width
;
1325 vc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1330 switch( vinfo
.v_depth
) {
1332 vc_paint_char_8(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1335 vc_paint_char_16(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1338 vc_paint_char_32(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1344 vc_paint_char_8(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1346 unsigned long *theChar
;
1347 unsigned long *where
;
1350 if (vc_rendered_font
) {
1351 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1353 vc_render_char(ch
, vc_rendered_char
, 8);
1354 theChar
= (unsigned long*)(vc_rendered_char
);
1356 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1357 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1358 (xx
* ISO_CHAR_WIDTH
));
1360 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attr? FLY !*/
1361 unsigned long *store
= where
;
1363 for (x
= 0; x
< 2; x
++) {
1364 unsigned long val
= *theChar
++;
1365 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1369 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1370 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little slower */
1371 unsigned long *store
= where
, lastpixel
= 0;
1373 for (x
= 0 ; x
< 2; x
++) {
1374 unsigned long val
= *theChar
++, save
= val
;
1375 if (attrs
& ATTR_BOLD
) { /* bold support */
1376 if (lastpixel
&& !(save
& 0xFF000000))
1378 if ((save
& 0xFFFF0000) == 0xFF000000)
1380 if ((save
& 0x00FFFF00) == 0x00FF0000)
1382 if ((save
& 0x0000FFFF) == 0x0000FF00)
1385 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1386 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1388 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1390 lastpixel
= save
& 0xff;
1393 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1399 vc_paint_char_16(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1401 unsigned long *theChar
;
1402 unsigned long *where
;
1405 if (vc_rendered_font
) {
1406 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1408 vc_render_char(ch
, vc_rendered_char
, 16);
1409 theChar
= (unsigned long*)(vc_rendered_char
);
1411 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1412 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1413 (xx
* ISO_CHAR_WIDTH
* 2));
1415 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attrs ? FLY ! */
1416 unsigned long *store
= where
;
1418 for (x
= 0; x
< 4; x
++) {
1419 unsigned long val
= *theChar
++;
1420 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1424 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1425 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little bit slower */
1426 unsigned long *store
= where
, lastpixel
= 0;
1428 for (x
= 0 ; x
< 4; x
++) {
1429 unsigned long val
= *theChar
++, save
= val
;
1430 if (attrs
& ATTR_BOLD
) { /* bold support */
1431 if (save
== 0xFFFF0000) val
|= 0xFFFF;
1432 else if (lastpixel
&& !(save
& 0xFFFF0000))
1435 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1436 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1438 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1441 lastpixel
= save
& 0x7fff;
1444 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1450 vc_paint_char_32(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1452 unsigned long *theChar
;
1453 unsigned long *theCharPrevious
;
1454 unsigned long *where
;
1457 if (vc_rendered_font
) {
1458 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1459 theCharPrevious
= (unsigned long*)(vc_rendered_font
+ (ch_previous
* vc_rendered_char_size
));
1461 vc_render_char(ch
, vc_rendered_char
, 32);
1462 theChar
= (unsigned long*)(vc_rendered_char
);
1463 theCharPrevious
= NULL
;
1466 theCharPrevious
= NULL
;
1468 if (attrs_previous
) {
1469 theCharPrevious
= NULL
;
1471 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1472 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1473 (xx
* ISO_CHAR_WIDTH
* 4));
1475 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attrs ? FLY ! */
1476 unsigned long *store
= where
;
1478 for (x
= 0; x
< 8; x
++) {
1479 unsigned long val
= *theChar
++;
1480 if (theCharPrevious
== NULL
|| val
!= *theCharPrevious
++ ) {
1481 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1488 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1489 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little slower */
1490 unsigned long *store
= where
, lastpixel
= 0;
1492 for (x
= 0 ; x
< 8; x
++) {
1493 unsigned long val
= *theChar
++, save
= val
;
1494 if (attrs
& ATTR_BOLD
) { /* bold support */
1495 if (lastpixel
&& !save
)
1498 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1499 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1501 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1506 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1512 vc_render_char(unsigned char ch
, unsigned char *renderptr
, short newdepth
)
1515 unsigned char *charptr
;
1516 unsigned short *shortptr
;
1517 unsigned long *longptr
;
1518 } current
; /* current place in rendered font, multiple types. */
1520 unsigned char *theChar
; /* current char in iso_font */
1524 current
.charptr
= renderptr
;
1525 theChar
= iso_font
+ (ch
* ISO_CHAR_HEIGHT
);
1527 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1528 unsigned char mask
= 1;
1532 *current
.charptr
++ = (*theChar
& mask
) ? 0xFF : 0;
1535 *current
.shortptr
++ = (*theChar
& mask
) ? 0xFFFF : 0;
1539 *current
.longptr
++ = (*theChar
& mask
) ? 0xFFFFFFFF : 0;
1543 } while (mask
); /* while the single bit drops to the right */
1549 vc_render_font(short newdepth
)
1551 static short olddepth
= 0;
1553 int charindex
; /* index in ISO font */
1555 if (vm_initialized
== FALSE
) {
1556 return; /* nothing to do */
1558 if (olddepth
== newdepth
&& vc_rendered_font
) {
1559 return; /* nothing to do */
1561 if (vc_rendered_font
) {
1562 kfree(vc_rendered_font
, vc_rendered_font_size
);
1565 vc_rendered_char_size
= ISO_CHAR_HEIGHT
* ((newdepth
/ 8) * ISO_CHAR_WIDTH
);
1566 vc_rendered_font_size
= (ISO_CHAR_MAX
-ISO_CHAR_MIN
+1) * vc_rendered_char_size
;
1567 vc_rendered_font
= (unsigned char *) kalloc(vc_rendered_font_size
);
1569 if (vc_rendered_font
== NULL
) {
1570 vc_rendered_font_size
= 0;
1574 for (charindex
= ISO_CHAR_MIN
; charindex
<= ISO_CHAR_MAX
; charindex
++) {
1575 vc_render_char(charindex
, vc_rendered_font
+ (charindex
* vc_rendered_char_size
), newdepth
);
1578 olddepth
= newdepth
;
1582 vc_reverse_cursor(int xx
, int yy
)
1584 unsigned long *where
;
1590 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1591 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1592 (xx
/** ISO_CHAR_WIDTH*/ * vinfo
.v_depth
));
1593 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1594 switch (vinfo
.v_depth
) {
1596 where
[0] = ~where
[0];
1597 where
[1] = ~where
[1];
1600 for (col
= 0; col
< 4; col
++)
1601 where
[col
] = ~where
[col
];
1604 for (col
= 0; col
< 8; col
++)
1605 where
[col
] = ~where
[col
];
1608 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1613 vc_scroll_down(int num
, int scrreg_top
, int scrreg_bottom
)
1615 unsigned long *from
, *to
, linelongs
, i
, line
, rowline
, rowscanline
;
1620 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1621 rowline
= vinfo
.v_rowbytes
>> 2;
1622 rowscanline
= vinfo
.v_rowscanbytes
>> 2;
1624 to
= (unsigned long *) vinfo
.v_baseaddr
+ (linelongs
* scrreg_bottom
)
1625 - (rowline
- rowscanline
);
1626 from
= to
- (linelongs
* num
); /* handle multiple line scroll (Michel Pollet) */
1628 i
= (scrreg_bottom
- scrreg_top
) - num
;
1631 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1633 * Only copy what is displayed
1635 video_scroll_down((unsigned int) from
,
1636 (unsigned int) (from
-(vinfo
.v_rowscanbytes
>> 2)),
1646 vc_scroll_up(int num
, int scrreg_top
, int scrreg_bottom
)
1648 unsigned long *from
, *to
, linelongs
, i
, line
, rowline
, rowscanline
;
1653 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1654 rowline
= vinfo
.v_rowbytes
>> 2;
1655 rowscanline
= vinfo
.v_rowscanbytes
>> 2;
1657 to
= (unsigned long *) vinfo
.v_baseaddr
+ (scrreg_top
* linelongs
);
1658 from
= to
+ (linelongs
* num
); /* handle multiple line scroll (Michel Pollet) */
1660 i
= (scrreg_bottom
- scrreg_top
) - num
;
1663 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1665 * Only copy what is displayed
1667 video_scroll_up((unsigned int) from
,
1668 (unsigned int) (from
+(vinfo
.v_rowscanbytes
>> 2)),
1678 vc_update_color(int color
, boolean_t fore
)
1683 vc_color_fore
= vc_colors
[color
][vc_color_index_table
[vinfo
.v_depth
]];
1685 vc_color_back
= vc_colors
[color
][vc_color_index_table
[vinfo
.v_depth
]];
1690 * Video Console (Back-End): Icon Control
1691 * --------------------------------------
1694 struct vc_progress_element
{
1695 unsigned int version
;
1698 unsigned char count
;
1699 unsigned char res
[3];
1705 unsigned int res2
[3];
1706 unsigned char data
[0];
1708 typedef struct vc_progress_element vc_progress_element
;
1710 static vc_progress_element
* vc_progress
;
1711 static const unsigned char * vc_progress_data
;
1712 static const unsigned char * vc_progress_alpha
;
1713 static boolean_t vc_progress_enable
;
1714 static const unsigned char * vc_clut
;
1715 static const unsigned char * vc_clut8
;
1716 static unsigned char vc_revclut8
[256];
1717 static uint32_t vc_progress_interval
;
1718 static uint64_t vc_progress_deadline
;
1719 static thread_call_data_t vc_progress_call
;
1720 static boolean_t vc_needsave
;
1721 static void * vc_saveunder
;
1722 static vm_size_t vc_saveunder_len
;
1723 decl_simple_lock_data(,vc_progress_lock
)
1725 static void vc_blit_rect( int x
, int y
, int width
, int height
,
1726 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1727 void * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1728 static void vc_blit_rect_8( int x
, int y
, int width
, int height
,
1729 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1730 unsigned char * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1731 static void vc_blit_rect_16( int x
, int y
, int width
, int height
,
1732 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1733 unsigned short * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1734 static void vc_blit_rect_32( int x
, int y
, int width
, int height
,
1735 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1736 unsigned int * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1737 extern void vc_display_icon( vc_progress_element
* desc
, const unsigned char * data
);
1738 extern void vc_progress_initialize( vc_progress_element
* desc
, const unsigned char * data
, const unsigned char * clut
);
1739 static void vc_progress_set( boolean_t enable
, uint32_t delay
);
1740 static void vc_progress_task( void * arg0
, void * arg
);
1742 static void vc_blit_rect( int x
, int y
,
1743 int width
, int height
,
1744 const unsigned char * dataPtr
,
1745 const unsigned char * alphaPtr
,
1747 boolean_t save
, boolean_t static_alpha
)
1752 switch( vinfo
.v_depth
) {
1754 if( vc_clut8
== vc_clut
)
1755 vc_blit_rect_8( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned char *) backBuffer
, save
, static_alpha
);
1758 vc_blit_rect_16( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned short *) backBuffer
, save
, static_alpha
);
1761 vc_blit_rect_32( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned int *) backBuffer
, save
, static_alpha
);
1766 static void vc_blit_rect_8( int x
, int y
,
1767 int width
, int height
,
1768 const unsigned char * dataPtr
,
1769 const unsigned char * alphaPtr
,
1770 unsigned char * backPtr
,
1771 boolean_t save
, boolean_t static_alpha
)
1773 volatile unsigned char * dst
;
1777 dst
= (unsigned char *)(vinfo
.v_baseaddr
+
1778 (y
* vinfo
.v_rowbytes
) +
1781 for( line
= 0; line
< height
; line
++) {
1782 for( col
= 0; col
< width
; col
++) {
1784 if( dataPtr
!= 0) data
= *dataPtr
++;
1785 else if( alphaPtr
!= 0) data
= vc_revclut8
[*alphaPtr
++];
1786 *(dst
+ col
) = data
;
1788 dst
= (volatile unsigned char *) (((int)dst
) + vinfo
.v_rowbytes
);
1792 static void vc_blit_rect_16( int x
, int y
,
1793 int width
, int height
,
1794 const unsigned char * dataPtr
,
1795 const unsigned char * alphaPtr
,
1796 unsigned short * backPtr
,
1797 boolean_t save
, boolean_t static_alpha
)
1799 volatile unsigned short * dst
;
1801 unsigned int data
, index
, alpha
, back
;
1803 dst
= (volatile unsigned short *)(vinfo
.v_baseaddr
+
1804 (y
* vinfo
.v_rowbytes
) +
1807 for( line
= 0; line
< height
; line
++) {
1808 for( col
= 0; col
< width
; col
++) {
1814 if( alphaPtr
&& backPtr
) {
1816 alpha
= *alphaPtr
++;
1819 if( vc_clut
[index
+ 0] > alpha
)
1820 data
|= (((vc_clut
[index
+ 0] - alpha
) & 0xf8) << 7);
1821 if( vc_clut
[index
+ 1] > alpha
)
1822 data
|= (((vc_clut
[index
+ 1] - alpha
) & 0xf8) << 2);
1823 if( vc_clut
[index
+ 2] > alpha
)
1824 data
|= (((vc_clut
[index
+ 2] - alpha
) & 0xf8) >> 3);
1828 back
= *(dst
+ col
);
1831 back
= (((((back
& 0x7c00) * alpha
) + 0x3fc00) >> 8) & 0x7c00)
1832 | (((((back
& 0x03e0) * alpha
) + 0x01fe0) >> 8) & 0x03e0)
1833 | (((((back
& 0x001f) * alpha
) + 0x000ff) >> 8) & 0x001f);
1838 if ( !static_alpha
) {
1839 back
= (((((back
& 0x7c00) * alpha
) + 0x3fc00) >> 8) & 0x7c00)
1840 | (((((back
& 0x03e0) * alpha
) + 0x01fe0) >> 8) & 0x03e0)
1841 | (((((back
& 0x001f) * alpha
) + 0x000ff) >> 8) & 0x001f);
1849 data
= ( (0xf8 & (vc_clut
[index
+ 0])) << 7)
1850 | ( (0xf8 & (vc_clut
[index
+ 1])) << 2)
1851 | ( (0xf8 & (vc_clut
[index
+ 2])) >> 3);
1854 *(dst
+ col
) = data
;
1856 dst
= (volatile unsigned short *) (((int)dst
) + vinfo
.v_rowbytes
);
1860 static void vc_blit_rect_32( int x
, int y
,
1861 int width
, int height
,
1862 const unsigned char * dataPtr
,
1863 const unsigned char * alphaPtr
,
1864 unsigned int * backPtr
,
1865 boolean_t save
, boolean_t static_alpha
)
1867 volatile unsigned int * dst
;
1869 unsigned int data
, index
, alpha
, back
;
1871 dst
= (volatile unsigned int *) (vinfo
.v_baseaddr
+
1872 (y
* vinfo
.v_rowbytes
) +
1875 for( line
= 0; line
< height
; line
++) {
1876 for( col
= 0; col
< width
; col
++) {
1882 if( alphaPtr
&& backPtr
) {
1884 alpha
= *alphaPtr
++;
1887 if( vc_clut
[index
+ 0] > alpha
)
1888 data
|= ((vc_clut
[index
+ 0] - alpha
) << 16);
1889 if( vc_clut
[index
+ 1] > alpha
)
1890 data
|= ((vc_clut
[index
+ 1] - alpha
) << 8);
1891 if( vc_clut
[index
+ 2] > alpha
)
1892 data
|= ((vc_clut
[index
+ 2] - alpha
));
1896 back
= *(dst
+ col
);
1899 back
= (((((back
& 0x00ff00ff) * alpha
) + 0x00ff00ff) >> 8) & 0x00ff00ff)
1900 | (((((back
& 0x0000ff00) * alpha
) + 0x0000ff00) >> 8) & 0x0000ff00);
1905 if ( !static_alpha
) {
1906 back
= (((((back
& 0x00ff00ff) * alpha
) + 0x00ff00ff) >> 8) & 0x00ff00ff)
1907 | (((((back
& 0x0000ff00) * alpha
) + 0x0000ff00) >> 8) & 0x0000ff00);
1915 data
= (vc_clut
[index
+ 0] << 16)
1916 | (vc_clut
[index
+ 1] << 8)
1917 | (vc_clut
[index
+ 2]);
1920 *(dst
+ col
) = data
;
1922 dst
= (volatile unsigned int *) (((int)dst
) + vinfo
.v_rowbytes
);
1926 void vc_display_icon( vc_progress_element
* desc
,
1927 const unsigned char * data
)
1929 int x
, y
, width
, height
;
1931 if( vc_progress_enable
&& vc_clut
) {
1933 width
= desc
->width
;
1934 height
= desc
->height
;
1937 if( 1 & desc
->flags
) {
1938 x
+= ((vinfo
.v_width
- width
) / 2);
1939 y
+= ((vinfo
.v_height
- height
) / 2);
1941 vc_blit_rect( x
, y
, width
, height
, data
, NULL
, NULL
, FALSE
, TRUE
);
1946 vc_progress_initialize( vc_progress_element
* desc
,
1947 const unsigned char * data
,
1948 const unsigned char * clut
)
1952 if( (!clut
) || (!desc
) || (!data
))
1958 vc_progress_data
= data
;
1959 if( 2 & vc_progress
->flags
)
1960 vc_progress_alpha
= vc_progress_data
1961 + vc_progress
->count
* vc_progress
->width
* vc_progress
->height
;
1963 vc_progress_alpha
= NULL
;
1965 thread_call_setup(&vc_progress_call
, vc_progress_task
, NULL
);
1967 clock_interval_to_absolutetime_interval(vc_progress
->time
, 1000 * 1000, &abstime
);
1968 vc_progress_interval
= abstime
;
1970 simple_lock_init(&vc_progress_lock
, 0);
1974 vc_progress_set( boolean_t enable
, uint32_t delay
)
1978 vm_size_t saveLen
= 0;
1981 unsigned char pdata8
;
1982 unsigned short pdata16
;
1983 unsigned short * buf16
;
1984 unsigned int pdata32
;
1985 unsigned int * buf32
;
1991 saveLen
= vc_progress
->width
* vc_progress
->height
* vinfo
.v_depth
/ 8;
1992 saveBuf
= kalloc( saveLen
);
1994 switch( vinfo
.v_depth
) {
1996 for( count
= 0; count
< 256; count
++) {
1997 vc_revclut8
[count
] = vc_clut
[0x01 * 3];
1998 pdata8
= (vc_clut
[0x01 * 3] * count
+ 0x0ff) >> 8;
1999 for( index
= 0; index
< 256; index
++) {
2000 if( (pdata8
== vc_clut
[index
* 3 + 0]) &&
2001 (pdata8
== vc_clut
[index
* 3 + 1]) &&
2002 (pdata8
== vc_clut
[index
* 3 + 2])) {
2003 vc_revclut8
[count
] = index
;
2008 memset( saveBuf
, 0x01, saveLen
);
2012 buf16
= (unsigned short *) saveBuf
;
2013 pdata16
= ((vc_clut
[0x01 * 3 + 0] & 0xf8) << 7)
2014 | ((vc_clut
[0x01 * 3 + 0] & 0xf8) << 2)
2015 | ((vc_clut
[0x01 * 3 + 0] & 0xf8) >> 3);
2016 for( count
= 0; count
< saveLen
/ 2; count
++)
2017 buf16
[count
] = pdata16
;
2021 buf32
= (unsigned int *) saveBuf
;
2022 pdata32
= ((vc_clut
[0x01 * 3 + 0] & 0xff) << 16)
2023 | ((vc_clut
[0x01 * 3 + 1] & 0xff) << 8)
2024 | ((vc_clut
[0x01 * 3 + 2] & 0xff) << 0);
2025 for( count
= 0; count
< saveLen
/ 4; count
++)
2026 buf32
[count
] = pdata32
;
2032 simple_lock(&vc_progress_lock
);
2034 if( vc_progress_enable
!= enable
) {
2035 vc_progress_enable
= enable
;
2038 vc_saveunder
= saveBuf
;
2039 vc_saveunder_len
= saveLen
;
2043 clock_interval_to_deadline(delay
, 1000 * 1000 * 1000 /*second scale*/, &vc_progress_deadline
);
2044 thread_call_enter_delayed(&vc_progress_call
, vc_progress_deadline
);
2048 saveBuf
= vc_saveunder
;
2049 saveLen
= vc_saveunder_len
;
2051 vc_saveunder_len
= 0;
2054 thread_call_cancel(&vc_progress_call
);
2058 simple_unlock(&vc_progress_lock
);
2062 kfree( saveBuf
, saveLen
);
2065 static void vc_progress_task( void * arg0
, void * arg
)
2068 int count
= (int) arg
;
2069 int x
, y
, width
, height
;
2070 const unsigned char * data
;
2073 simple_lock(&vc_progress_lock
);
2075 if( vc_progress_enable
) {
2078 if( count
>= vc_progress
->count
)
2081 width
= vc_progress
->width
;
2082 height
= vc_progress
->height
;
2083 x
= vc_progress
->dx
;
2084 y
= vc_progress
->dy
;
2085 data
= vc_progress_data
;
2086 data
+= count
* width
* height
;
2087 if( 1 & vc_progress
->flags
) {
2088 x
+= ((vinfo
.v_width
- width
) / 2);
2089 y
+= ((vinfo
.v_height
- height
) / 2);
2091 vc_blit_rect( x
, y
, width
, height
,
2092 NULL
, data
, vc_saveunder
,
2093 vc_needsave
, (0 == (4 & vc_progress
->flags
)) );
2094 vc_needsave
= FALSE
;
2096 clock_deadline_for_periodic_event(vc_progress_interval
, mach_absolute_time(), &vc_progress_deadline
);
2097 thread_call_enter1_delayed(&vc_progress_call
, (void *)count
, vc_progress_deadline
);
2099 simple_unlock(&vc_progress_lock
);
2104 * Generic Console (Front-End): Master Control
2105 * -------------------------------------------
2109 #include <console/i386/text_console.h>
2110 #endif /* __i386__ */
2112 static boolean_t gc_acquired
= FALSE
;
2113 static boolean_t gc_graphics_boot
= FALSE
;
2115 static unsigned int lastVideoPhys
= 0;
2116 static unsigned int lastVideoVirt
= 0;
2117 static unsigned int lastVideoSize
= 0;
2120 initialize_screen(Boot_Video
* boot_vinfo
, unsigned int op
)
2122 unsigned int fbsize
;
2123 unsigned int newVideoVirt
;
2128 // bcopy((const void *)boot_vinfo, (void *)&boot_video_info, sizeof(boot_video_info));
2131 * First, check if we are changing the size and/or location of the framebuffer
2134 vinfo
.v_name
[0] = 0;
2135 vinfo
.v_width
= boot_vinfo
->v_width
;
2136 vinfo
.v_height
= boot_vinfo
->v_height
;
2137 vinfo
.v_depth
= boot_vinfo
->v_depth
;
2138 vinfo
.v_rowbytes
= boot_vinfo
->v_rowBytes
;
2139 vinfo
.v_physaddr
= boot_vinfo
->v_baseAddr
; /* Get the physical address */
2141 kprintf("initialize_screen: b=%08X, w=%08X, h=%08X, r=%08X\n", /* (BRINGUP) */
2142 vinfo
.v_physaddr
, vinfo
.v_width
, vinfo
.v_height
, vinfo
.v_rowbytes
); /* (BRINGUP) */
2144 if (!vinfo
.v_physaddr
) /* Check to see if we have a framebuffer */
2146 kprintf("initialize_screen: No video - forcing serial mode\n"); /* (BRINGUP) */
2147 vinfo
.v_depth
= 0; /* vc routines are nop */
2148 (void)switch_to_serial_console(); /* Switch into serial mode */
2149 gc_graphics_boot
= FALSE
; /* Say we are not in graphics mode */
2150 disableConsoleOutput
= FALSE
; /* Allow printfs to happen */
2156 * Note that for the first time only, boot_vinfo->v_baseAddr is physical.
2159 if (kernel_map
!= VM_MAP_NULL
) /* If VM is up, we are given a virtual address */
2161 fbppage
= pmap_find_phys(kernel_pmap
, (addr64_t
)boot_vinfo
->v_baseAddr
); /* Get the physical address of frame buffer */
2162 if(!fbppage
) /* Did we find it? */
2164 panic("initialize_screen: Strange framebuffer - addr = %08X\n", boot_vinfo
->v_baseAddr
);
2166 vinfo
.v_physaddr
= (fbppage
<< 12) | (boot_vinfo
->v_baseAddr
& PAGE_MASK
); /* Get the physical address */
2170 vinfo
.v_type
= boot_vinfo
->v_display
;
2175 fbsize
= round_page_32(vinfo
.v_height
* vinfo
.v_rowbytes
); /* Remember size */
2177 if ((lastVideoPhys
!= vinfo
.v_physaddr
) || (fbsize
> lastVideoSize
)) /* Did framebuffer change location or get bigger? */
2179 newVideoVirt
= io_map_spec((vm_offset_t
)vinfo
.v_physaddr
, fbsize
); /* Allocate address space for framebuffer */
2181 if (lastVideoVirt
) /* Was the framebuffer mapped before? */
2183 pmap_remove(kernel_pmap
, trunc_page_64(lastVideoVirt
),
2184 round_page_64(lastVideoVirt
+ lastVideoSize
)); /* Toss mappings */
2186 if(lastVideoVirt
<= vm_last_addr
) /* Was this not a special pre-VM mapping? */
2188 kmem_free(kernel_map
, lastVideoVirt
, lastVideoSize
); /* Toss kernel addresses */
2192 lastVideoPhys
= vinfo
.v_physaddr
; /* Remember the framebuffer address */
2193 lastVideoSize
= fbsize
; /* Remember the size */
2194 lastVideoVirt
= newVideoVirt
; /* Remember the virtual framebuffer address */
2198 vinfo
.v_baseaddr
= lastVideoVirt
; /* Set the new framebuffer address */
2201 if ( (vinfo
.v_type
== TEXT_MODE
) )
2203 // Text mode setup by the booter.
2205 gc_ops
.initialize
= tc_initialize
;
2206 gc_ops
.enable
= tc_enable
;
2207 gc_ops
.paint_char
= tc_paint_char
;
2208 gc_ops
.clear_screen
= tc_clear_screen
;
2209 gc_ops
.scroll_down
= tc_scroll_down
;
2210 gc_ops
.scroll_up
= tc_scroll_up
;
2211 gc_ops
.hide_cursor
= tc_hide_cursor
;
2212 gc_ops
.show_cursor
= tc_show_cursor
;
2213 gc_ops
.update_color
= tc_update_color
;
2216 #endif /* __i386__ */
2218 // Graphics mode setup by the booter.
2220 gc_ops
.initialize
= vc_initialize
;
2221 gc_ops
.enable
= vc_enable
;
2222 gc_ops
.paint_char
= vc_paint_char
;
2223 gc_ops
.scroll_down
= vc_scroll_down
;
2224 gc_ops
.scroll_up
= vc_scroll_up
;
2225 gc_ops
.clear_screen
= vc_clear_screen
;
2226 gc_ops
.hide_cursor
= vc_reverse_cursor
;
2227 gc_ops
.show_cursor
= vc_reverse_cursor
;
2228 gc_ops
.update_color
= vc_update_color
;
2231 gc_initialize(&vinfo
);
2233 #ifdef GRATEFULDEBUGGER
2234 GratefulDebInit((bootBumbleC
*)boot_vinfo
); /* Re-initialize GratefulDeb */
2235 #endif /* GRATEFULDEBUGGER */
2240 case kPEGraphicsMode
:
2241 panicDialogDesired
= TRUE
;
2242 gc_graphics_boot
= TRUE
;
2246 panicDialogDesired
= FALSE
;
2247 gc_graphics_boot
= FALSE
;
2250 case kPEAcquireScreen
:
2251 if ( gc_acquired
) break;
2253 vc_progress_set( gc_graphics_boot
, kProgressAcquireDelay
);
2254 gc_enable( !gc_graphics_boot
);
2258 case kPEEnableScreen
:
2263 panicDialogDesired
= FALSE
;
2264 if ( gc_acquired
== FALSE
) break;
2265 if ( gc_graphics_boot
== FALSE
) break;
2267 vc_progress_set( FALSE
, 0 );
2271 case kPEDisableScreen
:
2275 case kPEReleaseScreen
:
2276 gc_acquired
= FALSE
;
2278 vc_progress_set( FALSE
, 0 );
2281 #ifdef GRATEFULDEBUGGER
2282 GratefulDebInit(0); /* Stop grateful debugger */
2283 #endif /* GRATEFULDEBUGGER */
2286 #ifdef GRATEFULDEBUGGER
2287 if ( boot_vinfo
) GratefulDebInit((bootBumbleC
*)boot_vinfo
); /* Re initialize GratefulDeb */
2288 #endif /* GRATEFULDEBUGGER */
2292 refresh_screen(void)
2296 gc_refresh_screen();
2297 gc_show_cursor(gc_x
, gc_y
);
2304 extern struct { long msg_magic
; long msg_bufx
; long msg_bufr
; char msg_bufc
[]; } * msgbufp
;
2306 vm_initialized
= TRUE
;
2308 if ( gc_graphics_boot
== FALSE
)
2314 initialize_screen( 0, kPEReleaseScreen
);
2317 initialize_screen( 0, kPEAcquireScreen
);
2319 for ( index
= 0 ; index
< msgbufp
->msg_bufx
; index
++ )
2321 vcputc( 0, 0, msgbufp
->msg_bufc
[index
] );
2323 if ( msgbufp
->msg_bufc
[index
] == '\n' )
2325 vcputc( 0, 0,'\r' );