bsd/dev/ppc/machdep.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
  27  * Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  28  *
  29  *
  30  * Machine dependent cruft.
  31  *
  32  * 27-Apr-1997  A.Ramesh at Apple
  33  *
  34  *
  35  */
  36
  37 #include <mach/mach_types.h>
  38 #include <mach/machine.h>
  39 #include <sys/reboot.h>
  40
  41 int reboot_how;
  42 extern struct tty       cons;
  43 extern struct tty       *constty;               /* current console device */
  44
  45 extern int getchar();
  46
  47 #define putchar cnputc
  48
  49 void
  50 gets(buf)
  51         char *buf;
  52 {
  53         register char *lp;
  54         register c;
  55
  56         lp = buf;
  57         for (;;) {
  58                 c = getchar() & 0177;
  59                 switch(c) {
  60                 case '\n':
  61                 case '\r':
  62                         *lp++ = '\0';
  63                         return;
  64                 case '\b':
  65                         if (lp > buf) {
  66                                 lp--;
  67                                 putchar(' ');
  68                                 putchar('\b');
  69                         }
  70                         continue;
  71                 case '#':
  72                 case '\177':
  73                         lp--;
  74                         if (lp < buf)
  75                                 lp = buf;
  76                         continue;
  77                 case '@':
  78                 case 'u'&037:
  79                         lp = buf;
  80                         putchar('\n');          /* XXX calls 'cnputc' on mips */
  81                         continue;
  82                 default:
  83                         *lp++ = c;
  84                 }
  85         }
  86 }
  87
  88 int
  89 getchar()
  90 {
  91         int c;
  92
  93         c = cngetc();
  94 #if 0
  95         if (c == 0x1b)          /* ESC ? */
  96                 call_kdp();
  97 #endif 0
  98
  99         if (c == '\r')
 100                 c = '\n';
 101         cnputc(c);
 102         return c;
 103 }
 104