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Add new loader console type: "spinconsole". This console selects the

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video console which doesn't take any input from keyboard and hides
all output replacing it with ``spinning'' character (useful for
embedded products and custom installations).

Sponsored by:	Sippy Software, Inc.
This commit is contained in:
Maxim Sobolev 2009-11-27 03:55:42 +00:00
parent 385e11118c
commit c4c3b35172
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=199855
6 changed files with 135 additions and 20 deletions
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9
sys/boot/forth/loader.conf.5
View File

@ -180,10 +180,15 @@ serial port speed setting.
.Dq comconsole
selects serial console,
.Dq vidconsole
selects the video console, and
selects the video console,
.Dq nullconsole
selects a mute console
(useful for systems with neither a video console nor a serial port).
(useful for systems with neither a video console nor a serial port), and
.Dq spinconsole
selects the video console which prevents any input and hides all output
replacing it with
.Dq spinning
character (useful for embedded products and such).
.It Va kernel
.Pq Dq Pa /boot/kernel/kernel
.It Va loader_conf_files

2
sys/boot/i386/libi386/Makefile
View File

@ -8,7 +8,7 @@ SRCS= biosacpi.c bioscd.c biosdisk.c biosmem.c biospnp.c \
comconsole.c devicename.c elf32_freebsd.c \
elf64_freebsd.c \
i386_copy.c i386_module.c nullconsole.c pxe.c pxetramp.s \
smbios.c time.c vidconsole.c amd64_tramp.S
smbios.c time.c vidconsole.c amd64_tramp.S spinconsole.c
# Enable PXE TFTP or NFS support, not both.
.if defined(LOADER_TFTP_SUPPORT)

106
sys/boot/i386/libi386/spinconsole.c Normal file
View File

@ -0,0 +1,106 @@
/*-
* spinconsole.c
*
* Author: Maksym Sobolyev <sobomax@sippysoft.com>
* Copyright (c) 2009 Sippy Software, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <stand.h>
#include <bootstrap.h>
extern void get_pos(int *x, int *y);
extern void curs_move(int *_x, int *_y, int x, int y);
extern void vidc_biosputchar(int c);
static void spinc_probe(struct console *cp);
static int spinc_init(int arg);
static void spinc_putchar(int c);
static int spinc_getchar(void);
static int spinc_ischar(void);
struct console spinconsole = {
"spinconsole",
"spin port",
0,
spinc_probe,
spinc_init,
spinc_putchar,
spinc_getchar,
spinc_ischar
};
static void
spinc_probe(struct console *cp)
{
cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
}
static int
spinc_init(int arg)
{
return(0);
}
static void
spinc_putchar(int c)
{
static int curx, cury;
static unsigned tw_chars = 0x5C2D2F7C; /* "\-/|" */
static time_t lasttime;
time_t now;
now = time(NULL);
if (now < (lasttime + 1))
return;
lasttime = now;
get_pos(&curx, &cury);
if (curx > 0)
curs_move(&curx, &cury, curx - 1, cury);
vidc_biosputchar((char)tw_chars);
tw_chars = (tw_chars >> 8) | ((tw_chars & (unsigned long)0xFF) << 24);
}
static int
spinc_getchar(void)
{
return(-1);
}
static int
spinc_ischar(void)
{
return(0);
}

34
sys/boot/i386/libi386/vidconsole.c
View File

@ -57,8 +57,8 @@ static int vidc_started;
void end_term(void);
void bail_out(int c);
void vidc_term_emu(int c);
void get_pos(void);
void curs_move(int x, int y);
void get_pos(int *x, int *y);
void curs_move(int *_x, int *_y, int x, int y);
void write_char(int c, int fg, int bg);
void scroll_up(int rows, int fg, int bg);
void CD(void);
@ -110,8 +110,8 @@ vidc_init(int arg)
#ifdef TERM_EMU
/* Init terminal emulator */
end_term();
get_pos();
curs_move(curx, cury);
get_pos(&curx, &cury);
curs_move(&curx, &cury, curx, cury);
fg_c = DEFAULT_FGCOLOR;
bg_c = DEFAULT_BGCOLOR;
#endif
@ -120,7 +120,7 @@ vidc_init(int arg)
return (0); /* XXX reinit? */
}
static void
void
vidc_biosputchar(int c)
{
@ -151,7 +151,7 @@ vidc_rawputchar(int c)
return;
case '\r':
curx = 0;
curs_move(curx, cury);
curs_move(&curx, &cury, curx, cury);
return;
case '\n':
cury++;
@ -159,13 +159,13 @@ vidc_rawputchar(int c)
scroll_up(1, fg_c, bg_c);
cury--;
} else {
curs_move(curx, cury);
curs_move(&curx, &cury, curx, cury);
}
return;
case '\b':
if (curx > 0) {
curx--;
curs_move(curx, cury);
curs_move(&curx, &cury, curx, cury);
/* write_char(' ', fg_c, bg_c); XXX destructive(!) */
return;
}
@ -183,7 +183,7 @@ vidc_rawputchar(int c)
cury--;
}
}
curs_move(curx, cury);
curs_move(&curx, &cury, curx, cury);
#endif
}
}
@ -194,7 +194,7 @@ vidc_rawputchar(int c)
* curx and cury appropriately.
*/
void
get_pos(void)
get_pos(int *x, int *y)
{
v86.ctl = 0;
@ -202,13 +202,13 @@ get_pos(void)
v86.eax = 0x0300;
v86.ebx = 0x0;
v86int();
curx = v86.edx & 0x00ff;
cury = (v86.edx & 0xff00) >> 8;
*x = v86.edx & 0x00ff;
*y = (v86.edx & 0xff00) >> 8;
}
/* Move cursor to x rows and y cols (0-based). */
void
curs_move(int x, int y)
curs_move(int *_x, int *_y, int x, int y)
{
v86.ctl = 0;
@ -217,8 +217,8 @@ curs_move(int x, int y)
v86.ebx = 0x0;
v86.edx = ((0x00ff & y) << 8) + (0x00ff & x);
v86int();
curx = x;
cury = y;
*_x = x;
*_y = y;
/* If there is ctrl char at this position, cursor would be invisible.
* Make it a space instead.
*/
@ -277,7 +277,7 @@ void
CD(void)
{
get_pos();
get_pos(&curx, &cury);
if (curx > 0) {
v86.ctl = 0;
v86.addr = 0x10;
@ -312,7 +312,7 @@ CM(void)
args[0]--;
if (args[1] > 0)
args[1]--;
curs_move(args[1], args[0]);
curs_move(&curx, &cury, args[1], args[0]);
end_term();
}

2
sys/boot/i386/loader/conf.c
View File

@ -128,6 +128,7 @@ extern struct console comconsole;
extern struct console dconsole;
#endif
extern struct console nullconsole;
extern struct console spinconsole;
struct console *consoles[] = {
&vidconsole,
@ -136,6 +137,7 @@ struct console *consoles[] = {
&dconsole,
#endif
&nullconsole,
&spinconsole,
NULL
};

2
sys/boot/pc98/loader/conf.c
View File

@ -100,11 +100,13 @@ struct file_format *file_formats[] = {
extern struct console vidconsole;
extern struct console comconsole;
extern struct console nullconsole;
extern struct console spinconsole;
struct console *consoles[] = {
&vidconsole,
&comconsole,
&nullconsole,
&spinconsole,
NULL
};