From 4919646fb96cbcc50bffc3d843ebd1f3cc7ba1b1 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Wed, 20 Dec 2006 00:24:13 +0000 Subject: Separated out (and tidied up) shell banner code --- src/hci/shell_banner.c | 65 +++++++++++++++++++++++++++++++++++++++++ src/include/gpxe/shell_banner.h | 12 ++++++++ 2 files changed, 77 insertions(+) create mode 100644 src/hci/shell_banner.c create mode 100644 src/include/gpxe/shell_banner.h diff --git a/src/hci/shell_banner.c b/src/hci/shell_banner.c new file mode 100644 index 00000000..247a1053 --- /dev/null +++ b/src/hci/shell_banner.c @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2006 Michael Brown . + * + * 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 +#include +#include + +/** @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; +} diff --git a/src/include/gpxe/shell_banner.h b/src/include/gpxe/shell_banner.h new file mode 100644 index 00000000..f8e92a4d --- /dev/null +++ b/src/include/gpxe/shell_banner.h @@ -0,0 +1,12 @@ +#ifndef _GPXE_SHELL_BANNER_H +#define _GPXE_SHELL_BANNER_H + +/** @file + * + * Shell startup banner + * + */ + +extern int shell_banner ( void ); + +#endif /* _GPXE_SHELL_BANNER_H */ -- cgit v1.2.3-55-g7522