bsd/dev/ppc/machdep.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
  25  * Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  26  *
  27  *
  28  * Machine dependent cruft.
  29  *
  30  * 27-Apr-1997  A.Ramesh at Apple
  31  *
  32  *
  33  */
  34
  35 #include <mach/mach_types.h>
  36 #include <mach/machine.h>
  37 #include <sys/reboot.h>
  38
  39 int reboot_how;
  40 extern struct tty       cons;
  41 extern struct tty       *constty;               /* current console device */
  42
  43 extern int getchar();
  44
  45 #define putchar cnputc
  46
  47 void
  48 gets(buf)
  49         char *buf;
  50 {
  51         register char *lp;
  52         register c;
  53
  54         lp = buf;
  55         for (;;) {
  56                 c = getchar() & 0177;
  57                 switch(c) {
  58                 case '\n':
  59                 case '\r':
  60                         *lp++ = '\0';
  61                         return;
  62                 case '\b':
  63                         if (lp > buf) {
  64                                 lp--;
  65                                 putchar(' ');
  66                                 putchar('\b');
  67                         }
  68                         continue;
  69                 case '#':
  70                 case '\177':
  71                         lp--;
  72                         if (lp < buf)
  73                                 lp = buf;
  74                         continue;
  75                 case '@':
  76                 case 'u'&037:
  77                         lp = buf;
  78                         putchar('\n');          /* XXX calls 'cnputc' on mips */
  79                         continue;
  80                 default:
  81                         *lp++ = c;
  82                 }
  83         }
  84 }
  85
  86 int
  87 getchar()
  88 {
  89         int c;
  90
  91         c = cngetc();
  92 #if 0
  93         if (c == 0x1b)          /* ESC ? */
  94                 call_kdp();
  95 #endif 0
  96
  97         if (c == '\r')
  98                 c = '\n';
  99         cnputc(c);
 100         return c;
 101 }
 102