blob: 328a0afa7637dbbfad1584c2f68f57e80df645de (
plain) (
tree)
|
|
/*-------------------------------------------------------------------------+
| exit.c v1.1 - PC386 BSP - 1997/08/07
+--------------------------------------------------------------------------+
| Routines to shutdown and reboot the PC.
+--------------------------------------------------------------------------+
| (C) Copyright 1997 -
| - NavIST Group - Real-Time Distributed Systems and Industrial Automation
|
| http://pandora.ist.utl.pt
|
| Instituto Superior Tecnico * Lisboa * PORTUGAL
+--------------------------------------------------------------------------+
| Disclaimer:
|
| This file is provided "AS IS" without warranty of any kind, either
| expressed or implied.
+--------------------------------------------------------------------------+
| This code is based on:
| exit.c,v 1.2 1995/12/19 20:07:36 joel Exp - go32 BSP
| With the following copyright notice:
| **************************************************************************
| * COPYRIGHT (c) 1989-1998.
| * On-Line Applications Research Corporation (OAR).
| * Copyright assigned to U.S. Government, 1994.
| *
| * The license and distribution terms for this file may be
| * found in found in the file LICENSE in this distribution or at
| * http://www.OARcorp.com/rtems/license.html.
| **************************************************************************
|
| $Id$
+--------------------------------------------------------------------------*/
#include <stdio.h>
#include <bsp.h>
#include <pc386uart.h>
/*-------------------------------------------------------------------------+
| Which console is in use: either (-1) which means normal console or
| uart id if uart was used
+-------------------------------------------------------------------------*/
extern int PC386ConsolePort;
/*-------------------------------------------------------------------------+
| External Prototypes
+--------------------------------------------------------------------------*/
extern rtems_boolean _IBMPC_scankey(char *); /* defined in 'inch.c' */
/*-------------------------------------------------------------------------+
| Function: _exit
| Description: Shutdown the PC. Called from libc's 'exit'.
| Global Variables: None.
| Arguments: status - exit status (ignored).
| Returns: Nothing.
+--------------------------------------------------------------------------*/
void _exit(int status)
{
unsigned char ch, *cp;
static char line[]="EXECUTIVE SHUTDOWN! Any key to reboot...";
if(PC386ConsolePort == PC386_CONSOLE_PORT_CONSOLE)
{
printk("\n");
printk(line);
while(!_IBMPC_scankey(&ch))
;
printk("\n\n");
}
else
{
PC386_uart_intr_ctrl(PC386ConsolePort, PC386_UART_INTR_CTRL_DISABLE);
PC386_uart_polled_write(PC386ConsolePort, '\r');
PC386_uart_polled_write(PC386ConsolePort, '\n');
for(cp=line; *cp != 0; cp++)
{
PC386_uart_polled_write(PC386ConsolePort, *cp);
}
PC386_uart_polled_read(PC386ConsolePort);
PC386_uart_polled_write(PC386ConsolePort, '\r');
PC386_uart_polled_write(PC386ConsolePort, '\n');
PC386_uart_polled_write(PC386ConsolePort, '\r');
PC386_uart_polled_write(PC386ConsolePort, '\n');
}
rtemsReboot();
} /* _exit */
|
