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Separated out (and tidied up) shell banner code

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Michael Brown 2006-12-20 00:24:13 +00:00
parent a2c5744daf
commit 4919646fb9
2 changed files with 77 additions and 0 deletions
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65
src/hci/shell_banner.c Normal file
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/*
* 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 <console.h>
#include <latch.h>
#include <gpxe/shell_banner.h>
/** @file
*
* Shell startup banner
*
*/
#define BANNER_TIMEOUT ( 2 * TICKS_PER_SEC )
#define NORMAL "\033[0m"
#define BOLD "\033[1m"
#define CYAN "\033[36m"
/**
* Print shell banner and prompt for shell entry
*
* @ret enter_shell User wants to enter shell
*/
int shell_banner ( void ) {
unsigned long timeout = ( currticks() + BANNER_TIMEOUT );
int key;
int enter_shell = 0;
/* Print welcome banner */
printf ( "\n\n\n" BOLD "gPXE " VERSION
NORMAL " -- Open Source Boot Firmware -- "
CYAN "http://etherboot.org" NORMAL "\n"
"Press Ctrl-B for the gPXE command line..." );
/* Wait for key */
while ( currticks() < timeout ) {
if ( iskey() ) {
key = getchar();
if ( key == 0x02 /* Ctrl-B */ )
enter_shell = 1;
break;
}
}
/* Clear the "Press Ctrl-B" line */
printf ( "\r \r" );
return enter_shell;
}

12
src/include/gpxe/shell_banner.h Normal file
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#ifndef _GPXE_SHELL_BANNER_H
#define _GPXE_SHELL_BANNER_H
/** @file
*
* Shell startup banner
*
*/
extern int shell_banner ( void );
#endif /* _GPXE_SHELL_BANNER_H */