2 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
4 * @APPLE_OSREFERENCE_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. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
29 * @OSF_FREE_COPYRIGHT@
33 * @APPLE_FREE_COPYRIGHT@
36 * NetBSD: ite.c,v 1.16 1995/07/17 01:24:34 briggs Exp
38 * Copyright (c) 1988 University of Utah.
39 * Copyright (c) 1990, 1993
40 * The Regents of the University of California. All rights reserved.
42 * This code is derived from software contributed to Berkeley by
43 * the Systems Programming Group of the University of Utah Computer
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. All advertising materials mentioning features or use of this software
55 * must display the following acknowledgement:
56 * This product includes software developed by the University of
57 * California, Berkeley and its contributors.
58 * 4. Neither the name of the University nor the names of its contributors
59 * may be used to endorse or promote products derived from this software
60 * without specific prior written permission.
62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
74 * from: Utah $Hdr: ite.c 1.28 92/12/20$
76 * @(#)ite.c 8.2 (Berkeley) 1/12/94
82 * The ite module handles the system console; that is, stuff printed
83 * by the kernel and by user programs while "desktop" and X aren't
84 * running. Some (very small) parts are based on hp300's 4.4 ite.c,
85 * hence the above copyright.
87 * -- Brad and Lawrence, June 26th, 1994
93 #include <console/video_console.h>
95 #include <kern/kern_types.h>
96 #include <kern/kalloc.h>
97 #include <kern/debug.h>
98 #include <kern/lock.h>
100 #include <kern/thread_call.h>
103 #include <vm/vm_kern.h>
105 #include <pexpert/pexpert.h>
107 #include "iso_font.c"
110 * Generic Console (Front-End)
111 * ---------------------------
114 struct vc_info vinfo
;
115 /* if panicDialogDesired is true then we use the panic dialog when its */
116 /* allowed otherwise we won't use the panic dialog even if it is allowed */
117 boolean_t panicDialogDesired
;
120 extern int disableConsoleOutput
;
121 static boolean_t gc_enabled
= FALSE
;
122 static boolean_t gc_initialized
= FALSE
;
123 static boolean_t vm_initialized
= FALSE
;
126 void (*initialize
)(struct vc_info
* info
);
127 void (*enable
)(boolean_t enable
);
128 void (*paint_char
)(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
129 void (*clear_screen
)(int xx
, int yy
, int top
, int bottom
, int which
);
130 void (*scroll_down
)(int num
, int top
, int bottom
);
131 void (*scroll_up
)(int num
, int top
, int bottom
);
132 void (*hide_cursor
)(int xx
, int yy
);
133 void (*show_cursor
)(int xx
, int yy
);
134 void (*update_color
)(int color
, boolean_t fore
);
137 static unsigned char * gc_buffer_attributes
= NULL
;
138 static unsigned char * gc_buffer_characters
= NULL
;
139 static unsigned char * gc_buffer_colorcodes
= NULL
;
140 static unsigned long gc_buffer_columns
= 0;
141 static unsigned long gc_buffer_rows
= 0;
142 static unsigned long gc_buffer_size
= 0;
143 decl_simple_lock_data(,gc_buffer_lock
)
147 # 00=none 01=bold 04=underscore 05=blink 07=reverse 08=concealed
149 # 30=black 31=red 32=green 33=yellow 34=blue 35=magenta 36=cyan 37=white
150 # Background color codes:
151 # 40=black 41=red 42=green 43=yellow 44=blue 45=magenta 46=cyan 47=white
157 #define ATTR_REVERSE 4
159 #define COLOR_BACKGROUND 0
160 #define COLOR_FOREGROUND 7
162 #define COLOR_CODE_GET(code, fore) (((code) & ((fore) ? 0xF0 : 0x0F)) >> ((fore) ? 4 : 0))
163 #define COLOR_CODE_SET(code, color, fore) (((code) & ((fore) ? 0x0F : 0xF0)) | ((color) << ((fore) ? 4 : 0)))
165 static unsigned char gc_color_code
= 0;
169 static int gc_x
= 0, gc_y
= 0, gc_savex
, gc_savey
;
170 static int gc_par
[MAXPARS
], gc_numpars
, gc_hanging_cursor
, gc_attr
, gc_saveattr
;
172 /* VT100 tab stops & scroll region */
173 static char gc_tab_stops
[255];
174 static int gc_scrreg_top
, gc_scrreg_bottom
;
176 enum { kProgressAcquireDelay
= 5 /* secs */ };
179 ESnormal
, /* Nothing yet */
181 ESsquare
, /* Got ESC [ */
182 ESgetpars
, /* About to get or getting the parameters */
183 ESgotpars
, /* Finished getting the parameters */
184 ESfunckey
, /* Function key */
185 EShash
, /* DEC-specific stuff (screen align, etc.) */
186 ESsetG0
, /* Specify the G0 character set */
187 ESsetG1
, /* Specify the G1 character set */
190 ESignore
/* Ignore this sequence */
191 } gc_vt100state
= ESnormal
;
193 static int gc_wrap_mode
= 1, gc_relative_origin
= 0;
194 static int gc_charset_select
= 0, gc_save_charset_s
= 0;
195 static int gc_charset
[2] = { 0, 0 };
196 static int gc_charset_save
[2] = { 0, 0 };
198 static void gc_clear_line(int xx
, int yy
, int which
);
199 static void gc_clear_screen(int xx
, int yy
, int top
, int bottom
, int which
);
200 static void gc_enable(boolean_t enable
);
201 static void gc_hide_cursor(int xx
, int yy
);
202 static void gc_initialize(struct vc_info
* info
);
203 static void gc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
);
204 static void gc_putchar(char ch
);
205 static void gc_putc_askcmd(unsigned char ch
);
206 static void gc_putc_charsetcmd(int charset
, unsigned char ch
);
207 static void gc_putc_charsizecmd(unsigned char ch
);
208 static void gc_putc_esc(unsigned char ch
);
209 static void gc_putc_getpars(unsigned char ch
);
210 static void gc_putc_gotpars(unsigned char ch
);
211 static void gc_putc_normal(unsigned char ch
);
212 static void gc_putc_square(unsigned char ch
);
213 static void gc_refresh_screen(void);
214 static void gc_reset_screen(void);
215 static void gc_reset_tabs(void);
216 static void gc_reset_vt100(void);
217 static void gc_scroll_down(int num
, int top
, int bottom
);
218 static void gc_scroll_up(int num
, int top
, int bottom
);
219 static void gc_show_cursor(int xx
, int yy
);
220 static void gc_update_color(int color
, boolean_t fore
);
221 extern int vcputc(int l
, int u
, int c
);
224 gc_clear_line(int xx
, int yy
, int which
)
229 * This routine runs extremely slowly. I don't think it's
230 * used all that often, except for To end of line. I'll go
231 * back and speed this up when I speed up the whole vc
236 case 0: /* To end of line */
238 end
= vinfo
.v_columns
-1;
240 case 1: /* To start of line */
244 case 2: /* Whole line */
246 end
= vinfo
.v_columns
-1;
250 for (i
= start
; i
<= end
; i
++) {
251 gc_paint_char(i
, yy
, ' ', ATTR_NONE
);
257 gc_clear_screen(int xx
, int yy
, int top
, int bottom
, int which
)
262 simple_lock(&gc_buffer_lock
);
264 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
&& bottom
<= gc_buffer_rows
)
266 unsigned long start
, end
;
269 case 0: /* To end of screen */
270 start
= (yy
* gc_buffer_columns
) + xx
;
271 end
= (bottom
* gc_buffer_columns
) - 1;
273 case 1: /* To start of screen */
274 start
= (top
* gc_buffer_columns
);
275 end
= (yy
* gc_buffer_columns
) + xx
;
277 case 2: /* Whole screen */
278 start
= (top
* gc_buffer_columns
);
279 end
= (bottom
* gc_buffer_columns
) - 1;
283 memset(gc_buffer_attributes
+ start
, 0x00, end
- start
+ 1);
284 memset(gc_buffer_characters
+ start
, 0x00, end
- start
+ 1);
285 memset(gc_buffer_colorcodes
+ start
, gc_color_code
, end
- start
+ 1);
288 simple_unlock(&gc_buffer_lock
);
291 gc_ops
.clear_screen(xx
, yy
, top
, bottom
, which
);
295 gc_enable( boolean_t enable
)
297 unsigned char * buffer_attributes
;
298 unsigned char * buffer_characters
;
299 unsigned char * buffer_colorcodes
;
300 unsigned long buffer_columns
;
301 unsigned long buffer_rows
;
302 unsigned long buffer_size
;
306 if ( enable
== FALSE
)
308 disableConsoleOutput
= TRUE
;
310 gc_ops
.enable(FALSE
);
314 simple_lock( &gc_buffer_lock
);
316 if ( gc_buffer_size
)
318 buffer_attributes
= gc_buffer_attributes
;
319 buffer_characters
= gc_buffer_characters
;
320 buffer_colorcodes
= gc_buffer_colorcodes
;
321 buffer_size
= gc_buffer_size
;
323 gc_buffer_attributes
= NULL
;
324 gc_buffer_characters
= NULL
;
325 gc_buffer_colorcodes
= NULL
;
326 gc_buffer_columns
= 0;
330 simple_unlock( &gc_buffer_lock
);
333 kfree( buffer_attributes
, buffer_size
);
334 kfree( buffer_characters
, buffer_size
);
335 kfree( buffer_colorcodes
, buffer_size
);
339 simple_unlock( &gc_buffer_lock
);
345 if ( vm_initialized
)
347 buffer_columns
= vinfo
.v_columns
;
348 buffer_rows
= vinfo
.v_rows
;
349 buffer_size
= buffer_columns
* buffer_rows
;
353 buffer_attributes
= (unsigned char *) kalloc( buffer_size
);
354 buffer_characters
= (unsigned char *) kalloc( buffer_size
);
355 buffer_colorcodes
= (unsigned char *) kalloc( buffer_size
);
357 if ( buffer_attributes
== NULL
||
358 buffer_characters
== NULL
||
359 buffer_colorcodes
== NULL
)
361 if ( buffer_attributes
) kfree( buffer_attributes
, buffer_size
);
362 if ( buffer_characters
) kfree( buffer_characters
, buffer_size
);
363 if ( buffer_colorcodes
) kfree( buffer_colorcodes
, buffer_size
);
371 memset( buffer_attributes
, 0x00, buffer_size
);
372 memset( buffer_characters
, 0x00, buffer_size
);
373 memset( buffer_colorcodes
, 0x0F, buffer_size
);
379 simple_lock( &gc_buffer_lock
);
381 gc_buffer_attributes
= buffer_attributes
;
382 gc_buffer_characters
= buffer_characters
;
383 gc_buffer_colorcodes
= buffer_colorcodes
;
384 gc_buffer_columns
= buffer_columns
;
385 gc_buffer_rows
= buffer_rows
;
386 gc_buffer_size
= buffer_size
;
388 simple_unlock( &gc_buffer_lock
);
395 disableConsoleOutput
= FALSE
;
400 gc_hide_cursor(int xx
, int yy
)
405 simple_lock(&gc_buffer_lock
);
407 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
409 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
410 unsigned char attribute
= gc_buffer_attributes
[index
];
411 unsigned char character
= gc_buffer_characters
[index
];
412 unsigned char colorcode
= gc_buffer_colorcodes
[index
];
413 unsigned char colorcodesave
= gc_color_code
;
415 simple_unlock(&gc_buffer_lock
);
418 gc_update_color(COLOR_CODE_GET(colorcode
, TRUE
), TRUE
);
419 gc_update_color(COLOR_CODE_GET(colorcode
, FALSE
), FALSE
);
421 gc_ops
.paint_char(xx
, yy
, character
, attribute
, 0, 0);
423 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
424 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
428 simple_unlock(&gc_buffer_lock
);
431 gc_ops
.hide_cursor(xx
, yy
);
436 gc_initialize(struct vc_info
* info
)
438 if ( gc_initialized
== FALSE
)
441 simple_lock_init(&gc_buffer_lock
, 0);
443 gc_initialized
= TRUE
;
446 gc_ops
.initialize(info
);
453 gc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
)
458 simple_lock(&gc_buffer_lock
);
460 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
462 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
464 gc_buffer_attributes
[index
] = attrs
;
465 gc_buffer_characters
[index
] = ch
;
466 gc_buffer_colorcodes
[index
] = gc_color_code
;
469 simple_unlock(&gc_buffer_lock
);
472 gc_ops
.paint_char(xx
, yy
, ch
, attrs
, 0, 0);
479 return; /* ignore null characters */
481 switch (gc_vt100state
) {
482 default:gc_vt100state
= ESnormal
; /* FALLTHROUGH */
502 gc_putc_charsizecmd(ch
);
505 gc_putc_charsetcmd(0, ch
);
508 gc_putc_charsetcmd(1, ch
);
512 if (gc_x
>= vinfo
.v_columns
) {
513 gc_x
= vinfo
.v_columns
- 1;
518 if (gc_y
>= vinfo
.v_rows
) {
519 gc_y
= vinfo
.v_rows
- 1;
528 gc_putc_askcmd(unsigned char ch
)
530 if (ch
>= '0' && ch
<= '9') {
531 gc_par
[gc_numpars
] = (10*gc_par
[gc_numpars
]) + (ch
-'0');
534 gc_vt100state
= ESnormal
;
538 gc_relative_origin
= ch
== 'h';
540 case 7: /* wrap around mode h=1, l=0*/
541 gc_wrap_mode
= ch
== 'h';
550 gc_putc_charsetcmd(int charset
, unsigned char ch
)
552 gc_vt100state
= ESnormal
;
558 gc_charset
[charset
] = 0;
560 case '0' : /* Graphic characters */
562 gc_charset
[charset
] = 0x21;
569 gc_putc_charsizecmd(unsigned char ch
)
571 gc_vt100state
= ESnormal
;
579 case '8' : /* fill 'E's */
582 for (yy
= 0; yy
< vinfo
.v_rows
; yy
++)
583 for (xx
= 0; xx
< vinfo
.v_columns
; xx
++)
584 gc_paint_char(xx
, yy
, 'E', ATTR_NONE
);
592 gc_putc_esc(unsigned char ch
)
594 gc_vt100state
= ESnormal
;
598 gc_vt100state
= ESsquare
;
600 case 'c': /* Reset terminal */
602 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, 2);
605 case 'D': /* Line feed */
607 if (gc_y
>= gc_scrreg_bottom
-1) {
608 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
609 gc_y
= gc_scrreg_bottom
- 1;
613 if (ch
== 'E') gc_x
= 0;
615 case 'H': /* Set tab stop */
616 gc_tab_stops
[gc_x
] = 1;
618 case 'M': /* Cursor up */
619 if (gc_y
<= gc_scrreg_top
) {
620 gc_scroll_down(1, gc_scrreg_top
, gc_scrreg_bottom
);
621 gc_y
= gc_scrreg_top
;
629 case '7': /* Save cursor */
632 gc_saveattr
= gc_attr
;
633 gc_save_charset_s
= gc_charset_select
;
634 gc_charset_save
[0] = gc_charset
[0];
635 gc_charset_save
[1] = gc_charset
[1];
637 case '8': /* Restore cursor */
640 gc_attr
= gc_saveattr
;
641 gc_charset_select
= gc_save_charset_s
;
642 gc_charset
[0] = gc_charset_save
[0];
643 gc_charset
[1] = gc_charset_save
[1];
645 case 'Z': /* return terminal ID */
647 case '#': /* change characters height */
648 gc_vt100state
= EScharsize
;
651 gc_vt100state
= ESsetG0
;
653 case ')': /* character set sequence */
654 gc_vt100state
= ESsetG1
;
659 /* Rest not supported */
666 gc_putc_getpars(unsigned char ch
)
669 gc_vt100state
= ESask
;
673 gc_vt100state
= ESnormal
;
677 if (ch
== ';' && gc_numpars
< MAXPARS
- 1) {
680 if (ch
>= '0' && ch
<= '9') {
681 gc_par
[gc_numpars
] *= 10;
682 gc_par
[gc_numpars
] += ch
- '0';
685 gc_vt100state
= ESgotpars
;
691 gc_putc_gotpars(unsigned char ch
)
696 /* special case for vttest for handling cursor
697 movement in escape sequences */
699 gc_vt100state
= ESgotpars
;
702 gc_vt100state
= ESnormal
;
705 gc_y
-= gc_par
[0] ? gc_par
[0] : 1;
706 if (gc_y
< gc_scrreg_top
)
707 gc_y
= gc_scrreg_top
;
710 gc_y
+= gc_par
[0] ? gc_par
[0] : 1;
711 if (gc_y
>= gc_scrreg_bottom
)
712 gc_y
= gc_scrreg_bottom
- 1;
714 case 'C': /* Right */
715 gc_x
+= gc_par
[0] ? gc_par
[0] : 1;
716 if (gc_x
>= vinfo
.v_columns
)
717 gc_x
= vinfo
.v_columns
-1;
720 gc_x
-= gc_par
[0] ? gc_par
[0] : 1;
724 case 'H': /* Set cursor position */
726 gc_x
= gc_par
[1] ? gc_par
[1] - 1 : 0;
727 gc_y
= gc_par
[0] ? gc_par
[0] - 1 : 0;
728 if (gc_relative_origin
)
729 gc_y
+= gc_scrreg_top
;
730 gc_hanging_cursor
= 0;
732 case 'X': /* clear p1 characters */
735 for (i
= gc_x
; i
< gc_x
+ gc_par
[0]; i
++)
736 gc_paint_char(i
, gc_y
, ' ', ATTR_NONE
);
739 case 'J': /* Clear part of screen */
740 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, gc_par
[0]);
742 case 'K': /* Clear part of line */
743 gc_clear_line(gc_x
, gc_y
, gc_par
[0]);
745 case 'g': /* tab stops */
748 case 2: /* reset tab stops */
749 /* gc_reset_tabs(); */
751 case 3: /* Clear every tabs */
755 for (i
= 0; i
<= vinfo
.v_columns
; i
++)
760 gc_tab_stops
[gc_x
] = 0;
764 case 'm': /* Set attribute */
765 for (i
= 0; i
< gc_numpars
; i
++) {
769 gc_update_color(COLOR_BACKGROUND
, FALSE
);
770 gc_update_color(COLOR_FOREGROUND
, TRUE
);
773 gc_attr
|= ATTR_BOLD
;
776 gc_attr
|= ATTR_UNDER
;
779 gc_attr
|= ATTR_REVERSE
;
782 gc_attr
&= ~ATTR_BOLD
;
785 gc_attr
&= ~ATTR_UNDER
;
788 gc_attr
&= ~ATTR_REVERSE
;
791 case 25: /* blink/no blink */
794 if (gc_par
[i
] >= 30 && gc_par
[i
] <= 37)
795 gc_update_color(gc_par
[i
] - 30, TRUE
);
796 if (gc_par
[i
] >= 40 && gc_par
[i
] <= 47)
797 gc_update_color(gc_par
[i
] - 40, FALSE
);
802 case 'r': /* Set scroll region */
804 /* ensure top < bottom, and both within limits */
805 if ((gc_numpars
> 0) && (gc_par
[0] < vinfo
.v_rows
)) {
806 gc_scrreg_top
= gc_par
[0] ? gc_par
[0] - 1 : 0;
807 if (gc_scrreg_top
< 0)
812 if ((gc_numpars
> 1) && (gc_par
[1] <= vinfo
.v_rows
) && (gc_par
[1] > gc_par
[0])) {
813 gc_scrreg_bottom
= gc_par
[1];
814 if (gc_scrreg_bottom
> vinfo
.v_rows
)
815 gc_scrreg_bottom
= vinfo
.v_rows
;
817 gc_scrreg_bottom
= vinfo
.v_rows
;
819 if (gc_relative_origin
)
820 gc_y
= gc_scrreg_top
;
827 gc_putc_normal(unsigned char ch
)
830 case '\a': /* Beep */
832 case 127: /* Delete */
833 case '\b': /* Backspace */
834 if (gc_hanging_cursor
) {
835 gc_hanging_cursor
= 0;
842 while (gc_x
< vinfo
.v_columns
&& !gc_tab_stops
[++gc_x
]);
843 if (gc_x
>= vinfo
.v_columns
)
844 gc_x
= vinfo
.v_columns
-1;
848 case '\n': /* Line feed */
849 if (gc_y
>= gc_scrreg_bottom
-1 ) {
850 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
851 gc_y
= gc_scrreg_bottom
- 1;
856 case '\r': /* Carriage return */
858 gc_hanging_cursor
= 0;
860 case 0x0e: /* Select G1 charset (Control-N) */
861 gc_charset_select
= 1;
863 case 0x0f: /* Select G0 charset (Control-O) */
864 gc_charset_select
= 0;
866 case 0x18 : /* CAN : cancel */
867 case 0x1A : /* like cancel */
868 /* well, i do nothing here, may be later */
870 case '\033': /* Escape */
871 gc_vt100state
= ESesc
;
872 gc_hanging_cursor
= 0;
876 if (gc_hanging_cursor
) {
878 if (gc_y
>= gc_scrreg_bottom
-1 ) {
879 gc_scroll_up(1, gc_scrreg_top
, gc_scrreg_bottom
);
880 gc_y
= gc_scrreg_bottom
- 1;
884 gc_hanging_cursor
= 0;
886 gc_paint_char(gc_x
, gc_y
, (ch
>= 0x60 && ch
<= 0x7f) ? ch
+ gc_charset
[gc_charset_select
]
888 if (gc_x
== vinfo
.v_columns
- 1) {
889 gc_hanging_cursor
= gc_wrap_mode
;
900 gc_putc_square(unsigned char ch
)
904 for (i
= 0; i
< MAXPARS
; i
++) {
909 gc_vt100state
= ESgetpars
;
916 gc_refresh_screen(void)
921 simple_lock(&gc_buffer_lock
);
923 if ( gc_buffer_size
)
925 unsigned char colorcodesave
= gc_color_code
;
926 unsigned long column
, row
;
929 for ( index
= 0, row
= 0 ; row
< gc_buffer_rows
; row
++ )
931 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
933 if ( gc_buffer_colorcodes
[index
] != gc_color_code
)
935 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
], TRUE
), TRUE
);
936 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
], FALSE
), FALSE
);
939 gc_ops
.paint_char(column
, row
, gc_buffer_characters
[index
], gc_buffer_attributes
[index
], 0, 0);
943 if ( colorcodesave
!= gc_color_code
)
945 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
946 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
950 simple_unlock(&gc_buffer_lock
);
955 gc_reset_screen(void)
957 gc_hide_cursor(gc_x
, gc_y
);
960 gc_clear_screen(gc_x
, gc_y
, 0, vinfo
.v_rows
, 2);
961 gc_show_cursor(gc_x
, gc_y
);
969 for (i
= 0; i
<= vinfo
.v_columns
; i
++) {
970 gc_tab_stops
[i
] = ((i
% 8) == 0);
980 gc_scrreg_bottom
= vinfo
.v_rows
;
982 gc_charset
[0] = gc_charset
[1] = 0;
983 gc_charset_select
= 0;
985 gc_relative_origin
= 0;
986 gc_update_color(COLOR_BACKGROUND
, FALSE
);
987 gc_update_color(COLOR_FOREGROUND
, TRUE
);
991 gc_scroll_down(int num
, int top
, int bottom
)
996 simple_lock(&gc_buffer_lock
);
998 if ( bottom
<= gc_buffer_rows
)
1000 unsigned char colorcodesave
= gc_color_code
;
1001 unsigned long column
, row
;
1002 unsigned long index
, jump
;
1004 jump
= num
* gc_buffer_columns
;
1006 for ( row
= bottom
- 1 ; row
>= top
+ num
; row
-- )
1008 index
= row
* gc_buffer_columns
;
1010 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
1012 if ( gc_buffer_attributes
[index
] != gc_buffer_attributes
[index
- jump
] ||
1013 gc_buffer_characters
[index
] != gc_buffer_characters
[index
- jump
] ||
1014 gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
- jump
] )
1016 if ( gc_color_code
!= gc_buffer_colorcodes
[index
- jump
] )
1018 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
- jump
], TRUE
), TRUE
);
1019 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
- jump
], FALSE
), FALSE
);
1022 if ( gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
- jump
] )
1024 gc_ops
.paint_char( /* xx */ column
,
1026 /* ch */ gc_buffer_characters
[index
- jump
],
1027 /* attrs */ gc_buffer_attributes
[index
- jump
],
1028 /* ch_previous */ 0,
1029 /* attrs_previous */ 0 );
1033 gc_ops
.paint_char( /* xx */ column
,
1035 /* ch */ gc_buffer_characters
[index
- jump
],
1036 /* attrs */ gc_buffer_attributes
[index
- jump
],
1037 /* ch_previous */ gc_buffer_characters
[index
],
1038 /* attrs_previous */ gc_buffer_attributes
[index
] );
1041 gc_buffer_attributes
[index
] = gc_buffer_attributes
[index
- jump
];
1042 gc_buffer_characters
[index
] = gc_buffer_characters
[index
- jump
];
1043 gc_buffer_colorcodes
[index
] = gc_buffer_colorcodes
[index
- jump
];
1048 if ( colorcodesave
!= gc_color_code
)
1050 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1051 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1054 simple_unlock(&gc_buffer_lock
);
1059 simple_unlock(&gc_buffer_lock
);
1062 gc_ops
.scroll_down(num
, top
, bottom
);
1065 /* Now set the freed up lines to the background colour */
1067 gc_clear_screen(vinfo
.v_columns
- 1, top
+ num
- 1, top
, bottom
, 1);
1071 gc_scroll_up(int num
, int top
, int bottom
)
1076 simple_lock(&gc_buffer_lock
);
1078 if ( bottom
<= gc_buffer_rows
)
1080 unsigned char colorcodesave
= gc_color_code
;
1081 unsigned long column
, row
;
1082 unsigned long index
, jump
;
1084 jump
= num
* gc_buffer_columns
;
1086 for ( row
= top
; row
< bottom
- num
; row
++ )
1088 index
= row
* gc_buffer_columns
;
1090 for ( column
= 0 ; column
< gc_buffer_columns
; index
++, column
++ )
1092 if ( gc_buffer_attributes
[index
] != gc_buffer_attributes
[index
+ jump
] ||
1093 gc_buffer_characters
[index
] != gc_buffer_characters
[index
+ jump
] ||
1094 gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
+ jump
] )
1096 if ( gc_color_code
!= gc_buffer_colorcodes
[index
+ jump
] )
1098 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
+ jump
], TRUE
), TRUE
);
1099 gc_update_color(COLOR_CODE_GET(gc_buffer_colorcodes
[index
+ jump
], FALSE
), FALSE
);
1102 if ( gc_buffer_colorcodes
[index
] != gc_buffer_colorcodes
[index
+ jump
] )
1104 gc_ops
.paint_char( /* xx */ column
,
1106 /* ch */ gc_buffer_characters
[index
+ jump
],
1107 /* attrs */ gc_buffer_attributes
[index
+ jump
],
1108 /* ch_previous */ 0,
1109 /* attrs_previous */ 0 );
1113 gc_ops
.paint_char( /* xx */ column
,
1115 /* ch */ gc_buffer_characters
[index
+ jump
],
1116 /* attrs */ gc_buffer_attributes
[index
+ jump
],
1117 /* ch_previous */ gc_buffer_characters
[index
],
1118 /* attrs_previous */ gc_buffer_attributes
[index
] );
1121 gc_buffer_attributes
[index
] = gc_buffer_attributes
[index
+ jump
];
1122 gc_buffer_characters
[index
] = gc_buffer_characters
[index
+ jump
];
1123 gc_buffer_colorcodes
[index
] = gc_buffer_colorcodes
[index
+ jump
];
1129 if ( colorcodesave
!= gc_color_code
)
1131 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1132 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1135 simple_unlock(&gc_buffer_lock
);
1140 simple_unlock(&gc_buffer_lock
);
1143 gc_ops
.scroll_up(num
, top
, bottom
);
1146 /* Now set the freed up lines to the background colour */
1148 gc_clear_screen(0, bottom
- num
, top
, bottom
, 0);
1152 gc_show_cursor(int xx
, int yy
)
1157 simple_lock(&gc_buffer_lock
);
1159 if ( xx
< gc_buffer_columns
&& yy
< gc_buffer_rows
)
1161 unsigned long index
= (yy
* gc_buffer_columns
) + xx
;
1162 unsigned char attribute
= gc_buffer_attributes
[index
];
1163 unsigned char character
= gc_buffer_characters
[index
];
1164 unsigned char colorcode
= gc_buffer_colorcodes
[index
];
1165 unsigned char colorcodesave
= gc_color_code
;
1167 simple_unlock(&gc_buffer_lock
);
1170 gc_update_color(COLOR_CODE_GET(colorcode
, FALSE
), TRUE
);
1171 gc_update_color(COLOR_CODE_GET(colorcode
, TRUE
), FALSE
);
1173 gc_ops
.paint_char(xx
, yy
, character
, attribute
, 0, 0);
1175 gc_update_color(COLOR_CODE_GET(colorcodesave
, TRUE
), TRUE
);
1176 gc_update_color(COLOR_CODE_GET(colorcodesave
, FALSE
), FALSE
);
1180 simple_unlock(&gc_buffer_lock
);
1183 gc_ops
.show_cursor(xx
, yy
);
1188 gc_update_color(int color
, boolean_t fore
)
1190 gc_color_code
= COLOR_CODE_SET(gc_color_code
, color
, fore
);
1191 gc_ops
.update_color(color
, fore
);
1195 vcputc(int l
, int u
, int c
)
1197 if ( gc_enabled
|| debug_mode
)
1199 gc_hide_cursor(gc_x
, gc_y
);
1201 gc_show_cursor(gc_x
, gc_y
);
1208 * Video Console (Back-End)
1209 * ------------------------
1213 * For the color support (Michel Pollet)
1215 static unsigned char vc_color_index_table
[33] =
1216 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1217 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
1219 static unsigned long vc_colors
[8][3] = {
1220 { 0xFFFFFFFF, 0x00000000, 0x00000000 }, /* black */
1221 { 0x23232323, 0x7C007C00, 0x00FF0000 }, /* red */
1222 { 0xb9b9b9b9, 0x03e003e0, 0x0000FF00 }, /* green */
1223 { 0x05050505, 0x7FE07FE0, 0x00FFFF00 }, /* yellow */
1224 { 0xd2d2d2d2, 0x001f001f, 0x000000FF}, /* blue */
1225 // { 0x80808080, 0x31933193, 0x00666699 }, /* blue */
1226 { 0x18181818, 0x7C1F7C1F, 0x00FF00FF }, /* magenta */
1227 { 0xb4b4b4b4, 0x03FF03FF, 0x0000FFFF }, /* cyan */
1228 { 0x00000000, 0x7FFF7FFF, 0x00FFFFFF } /* white */
1231 static unsigned long vc_color_fore
= 0;
1232 static unsigned long vc_color_back
= 0;
1235 * New Rendering code from Michel Pollet
1238 /* Rendered Font Buffer */
1239 static unsigned char *vc_rendered_font
= NULL
;
1241 /* Rendered Font Size */
1242 static unsigned long vc_rendered_font_size
= 0;
1244 /* Size of a character in the table (bytes) */
1245 static int vc_rendered_char_size
= 0;
1247 #define REN_MAX_DEPTH 32
1248 static unsigned char vc_rendered_char
[ISO_CHAR_HEIGHT
* ((REN_MAX_DEPTH
/ 8) * ISO_CHAR_WIDTH
)];
1250 static void vc_clear_screen(int xx
, int yy
, int scrreg_top
, int scrreg_bottom
, int which
);
1251 static void vc_enable(boolean_t enable
);
1252 static void vc_initialize(struct vc_info
* vinfo_p
);
1253 static void vc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1254 static void vc_paint_char_8(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1255 static void vc_paint_char_16(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1256 static void vc_paint_char_32(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
);
1257 static void vc_render_char(unsigned char ch
, unsigned char *renderptr
, short newdepth
);
1258 static void vc_render_font(short newdepth
);
1259 static void vc_reverse_cursor(int xx
, int yy
);
1260 static void vc_scroll_down(int num
, int scrreg_top
, int scrreg_bottom
);
1261 static void vc_scroll_up(int num
, int scrreg_top
, int scrreg_bottom
);
1262 static void vc_update_color(int color
, boolean_t fore
);
1265 vc_clear_screen(int xx
, int yy
, int scrreg_top
, int scrreg_bottom
, int which
)
1267 unsigned long *p
, *endp
, *row
;
1269 int rowline
, rowlongs
;
1274 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1275 rowline
= vinfo
.v_rowscanbytes
>> 2;
1276 rowlongs
= vinfo
.v_rowbytes
>> 2;
1278 p
= (unsigned long*) vinfo
.v_baseaddr
;
1279 endp
= (unsigned long*) vinfo
.v_baseaddr
;
1282 case 0: /* To end of screen */
1283 gc_clear_line(xx
, yy
, 0);
1284 if (yy
< scrreg_bottom
- 1) {
1285 p
+= (yy
+ 1) * linelongs
;
1286 endp
+= scrreg_bottom
* linelongs
;
1289 case 1: /* To start of screen */
1290 gc_clear_line(xx
, yy
, 1);
1291 if (yy
> scrreg_top
) {
1292 p
+= scrreg_top
* linelongs
;
1293 endp
+= yy
* linelongs
;
1296 case 2: /* Whole screen */
1297 p
+= scrreg_top
* linelongs
;
1298 if (scrreg_bottom
== vinfo
.v_rows
) {
1299 endp
+= rowlongs
* vinfo
.v_height
;
1301 endp
+= scrreg_bottom
* linelongs
;
1306 for (row
= p
; row
< endp
; row
+= rowlongs
) {
1307 for (col
= 0; col
< rowline
; col
++)
1308 *(row
+col
) = vc_color_back
;
1313 vc_enable(boolean_t enable
)
1317 vc_render_font(vinfo
.v_depth
);
1322 vc_initialize(struct vc_info
* vinfo_p
)
1324 vinfo
.v_rows
= vinfo
.v_height
/ ISO_CHAR_HEIGHT
;
1325 vinfo
.v_columns
= vinfo
.v_width
/ ISO_CHAR_WIDTH
;
1326 vinfo
.v_rowscanbytes
= (vinfo
.v_depth
/ 8) * vinfo
.v_width
;
1330 vc_paint_char(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1335 switch( vinfo
.v_depth
) {
1337 vc_paint_char_8(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1340 vc_paint_char_16(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1343 vc_paint_char_32(xx
, yy
, ch
, attrs
, ch_previous
, attrs_previous
);
1349 vc_paint_char_8(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1351 unsigned long *theChar
;
1352 unsigned long *where
;
1355 if (vc_rendered_font
) {
1356 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1358 vc_render_char(ch
, vc_rendered_char
, 8);
1359 theChar
= (unsigned long*)(vc_rendered_char
);
1361 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1362 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1363 (xx
* ISO_CHAR_WIDTH
));
1365 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attr? FLY !*/
1366 unsigned long *store
= where
;
1368 for (x
= 0; x
< 2; x
++) {
1369 unsigned long val
= *theChar
++;
1370 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1374 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1375 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little slower */
1376 unsigned long *store
= where
, lastpixel
= 0;
1378 for (x
= 0 ; x
< 2; x
++) {
1379 unsigned long val
= *theChar
++, save
= val
;
1380 if (attrs
& ATTR_BOLD
) { /* bold support */
1381 if (lastpixel
&& !(save
& 0xFF000000))
1383 if ((save
& 0xFFFF0000) == 0xFF000000)
1385 if ((save
& 0x00FFFF00) == 0x00FF0000)
1387 if ((save
& 0x0000FFFF) == 0x0000FF00)
1390 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1391 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1393 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1395 lastpixel
= save
& 0xff;
1398 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1404 vc_paint_char_16(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1406 unsigned long *theChar
;
1407 unsigned long *where
;
1410 if (vc_rendered_font
) {
1411 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1413 vc_render_char(ch
, vc_rendered_char
, 16);
1414 theChar
= (unsigned long*)(vc_rendered_char
);
1416 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1417 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1418 (xx
* ISO_CHAR_WIDTH
* 2));
1420 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attrs ? FLY ! */
1421 unsigned long *store
= where
;
1423 for (x
= 0; x
< 4; x
++) {
1424 unsigned long val
= *theChar
++;
1425 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1429 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1430 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little bit slower */
1431 unsigned long *store
= where
, lastpixel
= 0;
1433 for (x
= 0 ; x
< 4; x
++) {
1434 unsigned long val
= *theChar
++, save
= val
;
1435 if (attrs
& ATTR_BOLD
) { /* bold support */
1436 if (save
== 0xFFFF0000) val
|= 0xFFFF;
1437 else if (lastpixel
&& !(save
& 0xFFFF0000))
1440 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1441 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1443 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1446 lastpixel
= save
& 0x7fff;
1449 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1455 vc_paint_char_32(int xx
, int yy
, unsigned char ch
, int attrs
, unsigned char ch_previous
, int attrs_previous
)
1457 unsigned long *theChar
;
1458 unsigned long *theCharPrevious
;
1459 unsigned long *where
;
1462 if (vc_rendered_font
) {
1463 theChar
= (unsigned long*)(vc_rendered_font
+ (ch
* vc_rendered_char_size
));
1464 theCharPrevious
= (unsigned long*)(vc_rendered_font
+ (ch_previous
* vc_rendered_char_size
));
1466 vc_render_char(ch
, vc_rendered_char
, 32);
1467 theChar
= (unsigned long*)(vc_rendered_char
);
1468 theCharPrevious
= NULL
;
1471 theCharPrevious
= NULL
;
1473 if (attrs_previous
) {
1474 theCharPrevious
= NULL
;
1476 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1477 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1478 (xx
* ISO_CHAR_WIDTH
* 4));
1480 if (!attrs
) for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* No attrs ? FLY ! */
1481 unsigned long *store
= where
;
1483 for (x
= 0; x
< 8; x
++) {
1484 unsigned long val
= *theChar
++;
1485 if (theCharPrevious
== NULL
|| val
!= *theCharPrevious
++ ) {
1486 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1493 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1494 } else for (i
= 0; i
< ISO_CHAR_HEIGHT
; i
++) { /* a little slower */
1495 unsigned long *store
= where
, lastpixel
= 0;
1497 for (x
= 0 ; x
< 8; x
++) {
1498 unsigned long val
= *theChar
++, save
= val
;
1499 if (attrs
& ATTR_BOLD
) { /* bold support */
1500 if (lastpixel
&& !save
)
1503 if (attrs
& ATTR_REVERSE
) val
= ~val
;
1504 if (attrs
& ATTR_UNDER
&& i
== ISO_CHAR_HEIGHT
-1) val
= ~val
;
1506 val
= (vc_color_back
& ~val
) | (vc_color_fore
& val
);
1511 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1517 vc_render_char(unsigned char ch
, unsigned char *renderptr
, short newdepth
)
1520 unsigned char *charptr
;
1521 unsigned short *shortptr
;
1522 unsigned long *longptr
;
1523 } current
; /* current place in rendered font, multiple types. */
1525 unsigned char *theChar
; /* current char in iso_font */
1529 current
.charptr
= renderptr
;
1530 theChar
= iso_font
+ (ch
* ISO_CHAR_HEIGHT
);
1532 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1533 unsigned char mask
= 1;
1537 *current
.charptr
++ = (*theChar
& mask
) ? 0xFF : 0;
1540 *current
.shortptr
++ = (*theChar
& mask
) ? 0xFFFF : 0;
1544 *current
.longptr
++ = (*theChar
& mask
) ? 0xFFFFFFFF : 0;
1548 } while (mask
); /* while the single bit drops to the right */
1554 vc_render_font(short newdepth
)
1556 static short olddepth
= 0;
1558 int charindex
; /* index in ISO font */
1560 if (vm_initialized
== FALSE
) {
1561 return; /* nothing to do */
1563 if (olddepth
== newdepth
&& vc_rendered_font
) {
1564 return; /* nothing to do */
1566 if (vc_rendered_font
) {
1567 kfree(vc_rendered_font
, vc_rendered_font_size
);
1570 vc_rendered_char_size
= ISO_CHAR_HEIGHT
* ((newdepth
/ 8) * ISO_CHAR_WIDTH
);
1571 vc_rendered_font_size
= (ISO_CHAR_MAX
-ISO_CHAR_MIN
+1) * vc_rendered_char_size
;
1572 vc_rendered_font
= (unsigned char *) kalloc(vc_rendered_font_size
);
1574 if (vc_rendered_font
== NULL
) {
1575 vc_rendered_font_size
= 0;
1579 for (charindex
= ISO_CHAR_MIN
; charindex
<= ISO_CHAR_MAX
; charindex
++) {
1580 vc_render_char(charindex
, vc_rendered_font
+ (charindex
* vc_rendered_char_size
), newdepth
);
1583 olddepth
= newdepth
;
1587 vc_reverse_cursor(int xx
, int yy
)
1589 unsigned long *where
;
1595 where
= (unsigned long*)(vinfo
.v_baseaddr
+
1596 (yy
* ISO_CHAR_HEIGHT
* vinfo
.v_rowbytes
) +
1597 (xx
/** ISO_CHAR_WIDTH*/ * vinfo
.v_depth
));
1598 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1599 switch (vinfo
.v_depth
) {
1601 where
[0] = ~where
[0];
1602 where
[1] = ~where
[1];
1605 for (col
= 0; col
< 4; col
++)
1606 where
[col
] = ~where
[col
];
1609 for (col
= 0; col
< 8; col
++)
1610 where
[col
] = ~where
[col
];
1613 where
= (unsigned long*)(((unsigned char*)where
)+vinfo
.v_rowbytes
);
1618 vc_scroll_down(int num
, int scrreg_top
, int scrreg_bottom
)
1620 unsigned long *from
, *to
, linelongs
, i
, line
, rowline
, rowscanline
;
1625 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1626 rowline
= vinfo
.v_rowbytes
>> 2;
1627 rowscanline
= vinfo
.v_rowscanbytes
>> 2;
1629 to
= (unsigned long *) vinfo
.v_baseaddr
+ (linelongs
* scrreg_bottom
)
1630 - (rowline
- rowscanline
);
1631 from
= to
- (linelongs
* num
); /* handle multiple line scroll (Michel Pollet) */
1633 i
= (scrreg_bottom
- scrreg_top
) - num
;
1636 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1638 * Only copy what is displayed
1640 video_scroll_down((unsigned int) from
,
1641 (unsigned int) (from
-(vinfo
.v_rowscanbytes
>> 2)),
1651 vc_scroll_up(int num
, int scrreg_top
, int scrreg_bottom
)
1653 unsigned long *from
, *to
, linelongs
, i
, line
, rowline
, rowscanline
;
1658 linelongs
= vinfo
.v_rowbytes
* (ISO_CHAR_HEIGHT
>> 2);
1659 rowline
= vinfo
.v_rowbytes
>> 2;
1660 rowscanline
= vinfo
.v_rowscanbytes
>> 2;
1662 to
= (unsigned long *) vinfo
.v_baseaddr
+ (scrreg_top
* linelongs
);
1663 from
= to
+ (linelongs
* num
); /* handle multiple line scroll (Michel Pollet) */
1665 i
= (scrreg_bottom
- scrreg_top
) - num
;
1668 for (line
= 0; line
< ISO_CHAR_HEIGHT
; line
++) {
1670 * Only copy what is displayed
1672 video_scroll_up((unsigned int) from
,
1673 (unsigned int) (from
+(vinfo
.v_rowscanbytes
>> 2)),
1683 vc_update_color(int color
, boolean_t fore
)
1688 vc_color_fore
= vc_colors
[color
][vc_color_index_table
[vinfo
.v_depth
]];
1690 vc_color_back
= vc_colors
[color
][vc_color_index_table
[vinfo
.v_depth
]];
1695 * Video Console (Back-End): Icon Control
1696 * --------------------------------------
1699 struct vc_progress_element
{
1700 unsigned int version
;
1703 unsigned char count
;
1704 unsigned char res
[3];
1710 unsigned int res2
[3];
1711 unsigned char data
[0];
1713 typedef struct vc_progress_element vc_progress_element
;
1715 static vc_progress_element
* vc_progress
;
1716 static const unsigned char * vc_progress_data
;
1717 static const unsigned char * vc_progress_alpha
;
1718 static boolean_t vc_progress_enable
;
1719 static const unsigned char * vc_clut
;
1720 static const unsigned char * vc_clut8
;
1721 static unsigned char vc_revclut8
[256];
1722 static uint32_t vc_progress_interval
;
1723 static uint64_t vc_progress_deadline
;
1724 static thread_call_data_t vc_progress_call
;
1725 static boolean_t vc_needsave
;
1726 static void * vc_saveunder
;
1727 static vm_size_t vc_saveunder_len
;
1728 decl_simple_lock_data(,vc_progress_lock
)
1730 static void vc_blit_rect( int x
, int y
, int width
, int height
,
1731 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1732 void * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1733 static void vc_blit_rect_8( int x
, int y
, int width
, int height
,
1734 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1735 unsigned char * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1736 static void vc_blit_rect_16( int x
, int y
, int width
, int height
,
1737 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1738 unsigned short * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1739 static void vc_blit_rect_32( int x
, int y
, int width
, int height
,
1740 const unsigned char * dataPtr
, const unsigned char * alphaPtr
,
1741 unsigned int * backBuffer
, boolean_t save
, boolean_t static_alpha
);
1742 extern void vc_display_icon( vc_progress_element
* desc
, const unsigned char * data
);
1743 extern void vc_progress_initialize( vc_progress_element
* desc
, const unsigned char * data
, const unsigned char * clut
);
1744 static void vc_progress_set( boolean_t enable
, uint32_t delay
);
1745 static void vc_progress_task( void * arg0
, void * arg
);
1747 static void vc_blit_rect( int x
, int y
,
1748 int width
, int height
,
1749 const unsigned char * dataPtr
,
1750 const unsigned char * alphaPtr
,
1752 boolean_t save
, boolean_t static_alpha
)
1757 switch( vinfo
.v_depth
) {
1759 if( vc_clut8
== vc_clut
)
1760 vc_blit_rect_8( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned char *) backBuffer
, save
, static_alpha
);
1763 vc_blit_rect_16( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned short *) backBuffer
, save
, static_alpha
);
1766 vc_blit_rect_32( x
, y
, width
, height
, dataPtr
, alphaPtr
, (unsigned int *) backBuffer
, save
, static_alpha
);
1771 static void vc_blit_rect_8( int x
, int y
,
1772 int width
, int height
,
1773 const unsigned char * dataPtr
,
1774 const unsigned char * alphaPtr
,
1775 unsigned char * backPtr
,
1776 boolean_t save
, boolean_t static_alpha
)
1778 volatile unsigned char * dst
;
1782 dst
= (unsigned char *)(vinfo
.v_baseaddr
+
1783 (y
* vinfo
.v_rowbytes
) +
1786 for( line
= 0; line
< height
; line
++) {
1787 for( col
= 0; col
< width
; col
++) {
1789 if( dataPtr
!= 0) data
= *dataPtr
++;
1790 else if( alphaPtr
!= 0) data
= vc_revclut8
[*alphaPtr
++];
1791 *(dst
+ col
) = data
;
1793 dst
= (volatile unsigned char *) (((int)dst
) + vinfo
.v_rowbytes
);
1797 static void vc_blit_rect_16( int x
, int y
,
1798 int width
, int height
,
1799 const unsigned char * dataPtr
,
1800 const unsigned char * alphaPtr
,
1801 unsigned short * backPtr
,
1802 boolean_t save
, boolean_t static_alpha
)
1804 volatile unsigned short * dst
;
1806 unsigned int data
, index
, alpha
, back
;
1808 dst
= (volatile unsigned short *)(vinfo
.v_baseaddr
+
1809 (y
* vinfo
.v_rowbytes
) +
1812 for( line
= 0; line
< height
; line
++) {
1813 for( col
= 0; col
< width
; col
++) {
1819 if( alphaPtr
&& backPtr
) {
1821 alpha
= *alphaPtr
++;
1824 if( vc_clut
[index
+ 0] > alpha
)
1825 data
|= (((vc_clut
[index
+ 0] - alpha
) & 0xf8) << 7);
1826 if( vc_clut
[index
+ 1] > alpha
)
1827 data
|= (((vc_clut
[index
+ 1] - alpha
) & 0xf8) << 2);
1828 if( vc_clut
[index
+ 2] > alpha
)
1829 data
|= (((vc_clut
[index
+ 2] - alpha
) & 0xf8) >> 3);
1833 back
= *(dst
+ col
);
1836 back
= (((((back
& 0x7c00) * alpha
) + 0x3fc00) >> 8) & 0x7c00)
1837 | (((((back
& 0x03e0) * alpha
) + 0x01fe0) >> 8) & 0x03e0)
1838 | (((((back
& 0x001f) * alpha
) + 0x000ff) >> 8) & 0x001f);
1843 if ( !static_alpha
) {
1844 back
= (((((back
& 0x7c00) * alpha
) + 0x3fc00) >> 8) & 0x7c00)
1845 | (((((back
& 0x03e0) * alpha
) + 0x01fe0) >> 8) & 0x03e0)
1846 | (((((back
& 0x001f) * alpha
) + 0x000ff) >> 8) & 0x001f);
1854 data
= ( (0xf8 & (vc_clut
[index
+ 0])) << 7)
1855 | ( (0xf8 & (vc_clut
[index
+ 1])) << 2)
1856 | ( (0xf8 & (vc_clut
[index
+ 2])) >> 3);
1859 *(dst
+ col
) = data
;
1861 dst
= (volatile unsigned short *) (((int)dst
) + vinfo
.v_rowbytes
);
1865 static void vc_blit_rect_32( int x
, int y
,
1866 int width
, int height
,
1867 const unsigned char * dataPtr
,
1868 const unsigned char * alphaPtr
,
1869 unsigned int * backPtr
,
1870 boolean_t save
, boolean_t static_alpha
)
1872 volatile unsigned int * dst
;
1874 unsigned int data
, index
, alpha
, back
;
1876 dst
= (volatile unsigned int *) (vinfo
.v_baseaddr
+
1877 (y
* vinfo
.v_rowbytes
) +
1880 for( line
= 0; line
< height
; line
++) {
1881 for( col
= 0; col
< width
; col
++) {
1887 if( alphaPtr
&& backPtr
) {
1889 alpha
= *alphaPtr
++;
1892 if( vc_clut
[index
+ 0] > alpha
)
1893 data
|= ((vc_clut
[index
+ 0] - alpha
) << 16);
1894 if( vc_clut
[index
+ 1] > alpha
)
1895 data
|= ((vc_clut
[index
+ 1] - alpha
) << 8);
1896 if( vc_clut
[index
+ 2] > alpha
)
1897 data
|= ((vc_clut
[index
+ 2] - alpha
));
1901 back
= *(dst
+ col
);
1904 back
= (((((back
& 0x00ff00ff) * alpha
) + 0x00ff00ff) >> 8) & 0x00ff00ff)
1905 | (((((back
& 0x0000ff00) * alpha
) + 0x0000ff00) >> 8) & 0x0000ff00);
1910 if ( !static_alpha
) {
1911 back
= (((((back
& 0x00ff00ff) * alpha
) + 0x00ff00ff) >> 8) & 0x00ff00ff)
1912 | (((((back
& 0x0000ff00) * alpha
) + 0x0000ff00) >> 8) & 0x0000ff00);
1920 data
= (vc_clut
[index
+ 0] << 16)
1921 | (vc_clut
[index
+ 1] << 8)
1922 | (vc_clut
[index
+ 2]);
1925 *(dst
+ col
) = data
;
1927 dst
= (volatile unsigned int *) (((int)dst
) + vinfo
.v_rowbytes
);
1931 void vc_display_icon( vc_progress_element
* desc
,
1932 const unsigned char * data
)
1934 int x
, y
, width
, height
;
1936 if( vc_progress_enable
&& vc_clut
) {
1938 width
= desc
->width
;
1939 height
= desc
->height
;
1942 if( 1 & desc
->flags
) {
1943 x
+= ((vinfo
.v_width
- width
) / 2);
1944 y
+= ((vinfo
.v_height
- height
) / 2);
1946 vc_blit_rect( x
, y
, width
, height
, data
, NULL
, NULL
, FALSE
, TRUE
);
1951 vc_progress_initialize( vc_progress_element
* desc
,
1952 const unsigned char * data
,
1953 const unsigned char * clut
)
1957 if( (!clut
) || (!desc
) || (!data
))
1963 vc_progress_data
= data
;
1964 if( 2 & vc_progress
->flags
)
1965 vc_progress_alpha
= vc_progress_data
1966 + vc_progress
->count
* vc_progress
->width
* vc_progress
->height
;
1968 vc_progress_alpha
= NULL
;
1970 thread_call_setup(&vc_progress_call
, vc_progress_task
, NULL
);
1972 clock_interval_to_absolutetime_interval(vc_progress
->time
, 1000 * 1000, &abstime
);
1973 vc_progress_interval
= abstime
;
1975 simple_lock_init(&vc_progress_lock
, 0);
1979 vc_progress_set( boolean_t enable
, uint32_t delay
)
1983 vm_size_t saveLen
= 0;
1986 unsigned char pdata8
;
1987 unsigned short pdata16
;
1988 unsigned short * buf16
;
1989 unsigned int pdata32
;
1990 unsigned int * buf32
;
1996 saveLen
= vc_progress
->width
* vc_progress
->height
* vinfo
.v_depth
/ 8;
1997 saveBuf
= kalloc( saveLen
);
1999 switch( vinfo
.v_depth
) {
2001 for( count
= 0; count
< 256; count
++) {
2002 vc_revclut8
[count
] = vc_clut
[0x01 * 3];
2003 pdata8
= (vc_clut
[0x01 * 3] * count
+ 0x0ff) >> 8;
2004 for( index
= 0; index
< 256; index
++) {
2005 if( (pdata8
== vc_clut
[index
* 3 + 0]) &&
2006 (pdata8
== vc_clut
[index
* 3 + 1]) &&
2007 (pdata8
== vc_clut
[index
* 3 + 2])) {
2008 vc_revclut8
[count
] = index
;
2013 memset( saveBuf
, 0x01, saveLen
);
2017 buf16
= (unsigned short *) saveBuf
;
2018 pdata16
= ((vc_clut
[0x01 * 3 + 0] & 0xf8) << 7)
2019 | ((vc_clut
[0x01 * 3 + 0] & 0xf8) << 2)
2020 | ((vc_clut
[0x01 * 3 + 0] & 0xf8) >> 3);
2021 for( count
= 0; count
< saveLen
/ 2; count
++)
2022 buf16
[count
] = pdata16
;
2026 buf32
= (unsigned int *) saveBuf
;
2027 pdata32
= ((vc_clut
[0x01 * 3 + 0] & 0xff) << 16)
2028 | ((vc_clut
[0x01 * 3 + 1] & 0xff) << 8)
2029 | ((vc_clut
[0x01 * 3 + 2] & 0xff) << 0);
2030 for( count
= 0; count
< saveLen
/ 4; count
++)
2031 buf32
[count
] = pdata32
;
2037 simple_lock(&vc_progress_lock
);
2039 if( vc_progress_enable
!= enable
) {
2040 vc_progress_enable
= enable
;
2043 vc_saveunder
= saveBuf
;
2044 vc_saveunder_len
= saveLen
;
2048 clock_interval_to_deadline(delay
, 1000 * 1000 * 1000 /*second scale*/, &vc_progress_deadline
);
2049 thread_call_enter_delayed(&vc_progress_call
, vc_progress_deadline
);
2053 saveBuf
= vc_saveunder
;
2054 saveLen
= vc_saveunder_len
;
2056 vc_saveunder_len
= 0;
2059 thread_call_cancel(&vc_progress_call
);
2063 simple_unlock(&vc_progress_lock
);
2067 kfree( saveBuf
, saveLen
);
2070 static void vc_progress_task( void * arg0
, void * arg
)
2073 int count
= (int) arg
;
2074 int x
, y
, width
, height
;
2075 const unsigned char * data
;
2078 simple_lock(&vc_progress_lock
);
2080 if( vc_progress_enable
) {
2083 if( count
>= vc_progress
->count
)
2086 width
= vc_progress
->width
;
2087 height
= vc_progress
->height
;
2088 x
= vc_progress
->dx
;
2089 y
= vc_progress
->dy
;
2090 data
= vc_progress_data
;
2091 data
+= count
* width
* height
;
2092 if( 1 & vc_progress
->flags
) {
2093 x
+= ((vinfo
.v_width
- width
) / 2);
2094 y
+= ((vinfo
.v_height
- height
) / 2);
2096 vc_blit_rect( x
, y
, width
, height
,
2097 NULL
, data
, vc_saveunder
,
2098 vc_needsave
, (0 == (4 & vc_progress
->flags
)) );
2099 vc_needsave
= FALSE
;
2101 clock_deadline_for_periodic_event(vc_progress_interval
, mach_absolute_time(), &vc_progress_deadline
);
2102 thread_call_enter1_delayed(&vc_progress_call
, (void *)count
, vc_progress_deadline
);
2104 simple_unlock(&vc_progress_lock
);
2109 * Generic Console (Front-End): Master Control
2110 * -------------------------------------------
2114 #include <console/i386/text_console.h>
2115 #endif /* __i386__ */
2117 static boolean_t gc_acquired
= FALSE
;
2118 static boolean_t gc_graphics_boot
= FALSE
;
2120 static unsigned int lastVideoPhys
= 0;
2121 static unsigned int lastVideoVirt
= 0;
2122 static unsigned int lastVideoSize
= 0;
2125 initialize_screen(Boot_Video
* boot_vinfo
, unsigned int op
)
2127 unsigned int fbsize
;
2128 unsigned int newVideoVirt
;
2133 // bcopy((const void *)boot_vinfo, (void *)&boot_video_info, sizeof(boot_video_info));
2136 * First, check if we are changing the size and/or location of the framebuffer
2139 vinfo
.v_name
[0] = 0;
2140 vinfo
.v_width
= boot_vinfo
->v_width
;
2141 vinfo
.v_height
= boot_vinfo
->v_height
;
2142 vinfo
.v_depth
= boot_vinfo
->v_depth
;
2143 vinfo
.v_rowbytes
= boot_vinfo
->v_rowBytes
;
2144 vinfo
.v_physaddr
= boot_vinfo
->v_baseAddr
; /* Get the physical address */
2146 kprintf("initialize_screen: b=%08X, w=%08X, h=%08X, r=%08X\n", /* (BRINGUP) */
2147 vinfo
.v_physaddr
, vinfo
.v_width
, vinfo
.v_height
, vinfo
.v_rowbytes
); /* (BRINGUP) */
2149 if (!vinfo
.v_physaddr
) /* Check to see if we have a framebuffer */
2151 kprintf("initialize_screen: No video - forcing serial mode\n"); /* (BRINGUP) */
2152 vinfo
.v_depth
= 0; /* vc routines are nop */
2153 (void)switch_to_serial_console(); /* Switch into serial mode */
2154 gc_graphics_boot
= FALSE
; /* Say we are not in graphics mode */
2155 disableConsoleOutput
= FALSE
; /* Allow printfs to happen */
2161 * Note that for the first time only, boot_vinfo->v_baseAddr is physical.
2164 if (kernel_map
!= VM_MAP_NULL
) /* If VM is up, we are given a virtual address */
2166 fbppage
= pmap_find_phys(kernel_pmap
, (addr64_t
)boot_vinfo
->v_baseAddr
); /* Get the physical address of frame buffer */
2167 if(!fbppage
) /* Did we find it? */
2169 panic("initialize_screen: Strange framebuffer - addr = %08X\n", boot_vinfo
->v_baseAddr
);
2171 vinfo
.v_physaddr
= (fbppage
<< 12) | (boot_vinfo
->v_baseAddr
& PAGE_MASK
); /* Get the physical address */
2175 vinfo
.v_type
= boot_vinfo
->v_display
;
2180 fbsize
= round_page_32(vinfo
.v_height
* vinfo
.v_rowbytes
); /* Remember size */
2182 if ((lastVideoPhys
!= vinfo
.v_physaddr
) || (fbsize
> lastVideoSize
)) /* Did framebuffer change location or get bigger? */
2184 newVideoVirt
= io_map_spec((vm_offset_t
)vinfo
.v_physaddr
, fbsize
); /* Allocate address space for framebuffer */
2186 if (lastVideoVirt
) /* Was the framebuffer mapped before? */
2188 pmap_remove(kernel_pmap
, trunc_page_64(lastVideoVirt
),
2189 round_page_64(lastVideoVirt
+ lastVideoSize
)); /* Toss mappings */
2191 if(lastVideoVirt
<= vm_last_addr
) /* Was this not a special pre-VM mapping? */
2193 kmem_free(kernel_map
, lastVideoVirt
, lastVideoSize
); /* Toss kernel addresses */
2197 lastVideoPhys
= vinfo
.v_physaddr
; /* Remember the framebuffer address */
2198 lastVideoSize
= fbsize
; /* Remember the size */
2199 lastVideoVirt
= newVideoVirt
; /* Remember the virtual framebuffer address */
2203 vinfo
.v_baseaddr
= lastVideoVirt
; /* Set the new framebuffer address */
2206 if ( (vinfo
.v_type
== TEXT_MODE
) )
2208 // Text mode setup by the booter.
2210 gc_ops
.initialize
= tc_initialize
;
2211 gc_ops
.enable
= tc_enable
;
2212 gc_ops
.paint_char
= tc_paint_char
;
2213 gc_ops
.clear_screen
= tc_clear_screen
;
2214 gc_ops
.scroll_down
= tc_scroll_down
;
2215 gc_ops
.scroll_up
= tc_scroll_up
;
2216 gc_ops
.hide_cursor
= tc_hide_cursor
;
2217 gc_ops
.show_cursor
= tc_show_cursor
;
2218 gc_ops
.update_color
= tc_update_color
;
2221 #endif /* __i386__ */
2223 // Graphics mode setup by the booter.
2225 gc_ops
.initialize
= vc_initialize
;
2226 gc_ops
.enable
= vc_enable
;
2227 gc_ops
.paint_char
= vc_paint_char
;
2228 gc_ops
.scroll_down
= vc_scroll_down
;
2229 gc_ops
.scroll_up
= vc_scroll_up
;
2230 gc_ops
.clear_screen
= vc_clear_screen
;
2231 gc_ops
.hide_cursor
= vc_reverse_cursor
;
2232 gc_ops
.show_cursor
= vc_reverse_cursor
;
2233 gc_ops
.update_color
= vc_update_color
;
2236 gc_initialize(&vinfo
);
2238 #ifdef GRATEFULDEBUGGER
2239 GratefulDebInit((bootBumbleC
*)boot_vinfo
); /* Re-initialize GratefulDeb */
2240 #endif /* GRATEFULDEBUGGER */
2245 case kPEGraphicsMode
:
2246 panicDialogDesired
= TRUE
;
2247 gc_graphics_boot
= TRUE
;
2251 panicDialogDesired
= FALSE
;
2252 gc_graphics_boot
= FALSE
;
2255 case kPEAcquireScreen
:
2256 if ( gc_acquired
) break;
2258 vc_progress_set( gc_graphics_boot
, kProgressAcquireDelay
);
2259 gc_enable( !gc_graphics_boot
);
2263 case kPEEnableScreen
:
2268 panicDialogDesired
= FALSE
;
2269 if ( gc_acquired
== FALSE
) break;
2270 if ( gc_graphics_boot
== FALSE
) break;
2272 vc_progress_set( FALSE
, 0 );
2276 case kPEDisableScreen
:
2280 case kPEReleaseScreen
:
2281 gc_acquired
= FALSE
;
2283 vc_progress_set( FALSE
, 0 );
2286 #ifdef GRATEFULDEBUGGER
2287 GratefulDebInit(0); /* Stop grateful debugger */
2288 #endif /* GRATEFULDEBUGGER */
2291 #ifdef GRATEFULDEBUGGER
2292 if ( boot_vinfo
) GratefulDebInit((bootBumbleC
*)boot_vinfo
); /* Re initialize GratefulDeb */
2293 #endif /* GRATEFULDEBUGGER */
2297 refresh_screen(void)
2301 gc_refresh_screen();
2302 gc_show_cursor(gc_x
, gc_y
);
2309 extern struct { long msg_magic
; long msg_bufx
; long msg_bufr
; char msg_bufc
[]; } * msgbufp
;
2311 vm_initialized
= TRUE
;
2313 if ( gc_graphics_boot
== FALSE
)
2319 initialize_screen( 0, kPEReleaseScreen
);
2322 initialize_screen( 0, kPEAcquireScreen
);
2324 for ( index
= 0 ; index
< msgbufp
->msg_bufx
; index
++ )
2326 vcputc( 0, 0, msgbufp
->msg_bufc
[index
] );
2328 if ( msgbufp
->msg_bufc
[index
] == '\n' )
2330 vcputc( 0, 0,'\r' );