bsd/dev/ppc/machdep.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
  30  * Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  31  *
  32  *
  33  * Machine dependent cruft.
  34  *
  35  * 27-Apr-1997  A.Ramesh at Apple
  36  *
  37  *
  38  */
  39
  40 #include <mach/mach_types.h>
  41 #include <mach/machine.h>
  42 #include <sys/reboot.h>
  43
  44 int reboot_how;
  45 extern struct tty       cons;
  46 extern struct tty       *constty;               /* current console device */
  47
  48 extern int getchar();
  49
  50 #define putchar cnputc
  51
  52 void
  53 gets(buf)
  54         char *buf;
  55 {
  56         register char *lp;
  57         register c;
  58
  59         lp = buf;
  60         for (;;) {
  61                 c = getchar() & 0177;
  62                 switch(c) {
  63                 case '\n':
  64                 case '\r':
  65                         *lp++ = '\0';
  66                         return;
  67                 case '\b':
  68                         if (lp > buf) {
  69                                 lp--;
  70                                 putchar(' ');
  71                                 putchar('\b');
  72                         }
  73                         continue;
  74                 case '#':
  75                 case '\177':
  76                         lp--;
  77                         if (lp < buf)
  78                                 lp = buf;
  79                         continue;
  80                 case '@':
  81                 case 'u'&037:
  82                         lp = buf;
  83                         putchar('\n');          /* XXX calls 'cnputc' on mips */
  84                         continue;
  85                 default:
  86                         *lp++ = c;
  87                 }
  88         }
  89 }
  90
  91 int
  92 getchar()
  93 {
  94         int c;
  95
  96         c = cngetc();
  97 #if 0
  98         if (c == 0x1b)          /* ESC ? */
  99                 call_kdp();
 100 #endif 0
 101
 102         if (c == '\r')
 103                 c = '\n';
 104         cnputc(c);
 105         return c;
 106 }
 107