1 | /*-------------------------------------------------------------------------+ |
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2 | | exit.c v1.1 - PC386 BSP - 1997/08/07 |
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3 | +--------------------------------------------------------------------------+ |
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4 | | Routines to shutdown and reboot the PC. |
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5 | +--------------------------------------------------------------------------+ |
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6 | | (C) Copyright 1997 - |
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7 | | - NavIST Group - Real-Time Distributed Systems and Industrial Automation |
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8 | | |
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9 | | http://pandora.ist.utl.pt |
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10 | | |
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11 | | Instituto Superior Tecnico * Lisboa * PORTUGAL |
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12 | +--------------------------------------------------------------------------+ |
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13 | | Disclaimer: |
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14 | | |
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15 | | This file is provided "AS IS" without warranty of any kind, either |
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16 | | expressed or implied. |
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17 | +--------------------------------------------------------------------------+ |
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18 | | This code is based on: |
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19 | | exit.c,v 1.2 1995/12/19 20:07:36 joel Exp - go32 BSP |
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20 | | With the following copyright notice: |
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21 | | ************************************************************************** |
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22 | | * COPYRIGHT (c) 1989-1998. |
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23 | | * On-Line Applications Research Corporation (OAR). |
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24 | | * Copyright assigned to U.S. Government, 1994. |
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25 | | * |
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26 | | * The license and distribution terms for this file may be |
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27 | | * found in found in the file LICENSE in this distribution or at |
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28 | | * http://www.OARcorp.com/rtems/license.html. |
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29 | | ************************************************************************** |
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30 | | |
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31 | | $Id$ |
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32 | +--------------------------------------------------------------------------*/ |
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33 | |
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34 | |
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35 | #include <stdio.h> |
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36 | #include <bsp.h> |
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37 | #include <pc386uart.h> |
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38 | |
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39 | /*-------------------------------------------------------------------------+ |
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40 | | Which console is in use: either (-1) which means normal console or |
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41 | | uart id if uart was used |
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42 | +-------------------------------------------------------------------------*/ |
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43 | extern int PC386ConsolePort; |
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44 | |
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45 | /*-------------------------------------------------------------------------+ |
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46 | | External Prototypes |
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47 | +--------------------------------------------------------------------------*/ |
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48 | extern rtems_boolean _IBMPC_scankey(char *); /* defined in 'inch.c' */ |
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49 | |
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50 | /*-------------------------------------------------------------------------+ |
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51 | | Function: _exit |
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52 | | Description: Shutdown the PC. Called from libc's 'exit'. |
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53 | | Global Variables: None. |
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54 | | Arguments: status - exit status (ignored). |
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55 | | Returns: Nothing. |
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56 | +--------------------------------------------------------------------------*/ |
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57 | void _exit(int status) |
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58 | { |
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59 | unsigned char ch, *cp; |
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60 | static char line[]="EXECUTIVE SHUTDOWN! Any key to reboot..."; |
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61 | |
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62 | if(PC386ConsolePort == PC386_CONSOLE_PORT_CONSOLE) |
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63 | { |
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64 | |
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65 | printk("\n"); |
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66 | printk(line); |
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67 | while(!_IBMPC_scankey(&ch)) |
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68 | ; |
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69 | printk("\n\n"); |
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70 | } |
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71 | else |
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72 | { |
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73 | PC386_uart_intr_ctrl(PC386ConsolePort, PC386_UART_INTR_CTRL_DISABLE); |
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74 | |
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75 | PC386_uart_polled_write(PC386ConsolePort, '\r'); |
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76 | PC386_uart_polled_write(PC386ConsolePort, '\n'); |
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77 | |
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78 | for(cp=line; *cp != 0; cp++) |
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79 | { |
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80 | PC386_uart_polled_write(PC386ConsolePort, *cp); |
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81 | } |
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82 | |
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83 | PC386_uart_polled_read(PC386ConsolePort); |
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84 | |
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85 | PC386_uart_polled_write(PC386ConsolePort, '\r'); |
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86 | PC386_uart_polled_write(PC386ConsolePort, '\n'); |
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87 | PC386_uart_polled_write(PC386ConsolePort, '\r'); |
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88 | PC386_uart_polled_write(PC386ConsolePort, '\n'); |
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89 | } |
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90 | |
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91 | rtemsReboot(); |
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92 | } /* _exit */ |
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93 | |
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94 | |
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95 | |
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96 | |
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97 | |
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98 | |
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99 | |
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