blob: 3271c4835a2b6e78c3fb9cee939a899ad864b957 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <console.h>
#include <unistd.h>
#include <config/general.h>
#include <gpxe/keys.h>
#include <gpxe/shell_banner.h>
/** @file
*
* Shell startup banner
*
*/
/**
* Print shell banner and prompt for shell entry
*
* @ret enter_shell User wants to enter shell
*/
int shell_banner ( void ) {
int enter_shell = 0;
int wait_count;
int key;
printf ( "\nPress Ctrl-B for the gPXE command line..." );
/* Wait for key */
for ( wait_count = 0 ; wait_count < BANNER_TIMEOUT ; wait_count++ ) {
if ( iskey() ) {
key = getchar();
if ( key == CTRL_B )
enter_shell = 1;
break;
}
mdelay(100);
}
/* Clear the "Press Ctrl-B" line */
printf ( "\r \r" );
return enter_shell;
}
|
