bsd/dev/ppc/machdep.c

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1997 Apple Computer, Inc.  All rights reserved.
  24  * Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  25  *
  26  *
  27  * Machine dependent cruft.
  28  *
  29  * 27-Apr-1997  A.Ramesh at Apple
  30  *
  31  *
  32  */
  33
  34 #include <mach/mach_types.h>
  35 #include <mach/machine.h>
  36 #include <sys/reboot.h>
  37
  38 int reboot_how;
  39 extern struct tty       cons;
  40 extern struct tty       *constty;               /* current console device */
  41
  42 extern int getchar();
  43
  44 #define putchar cnputc
  45
  46 void
  47 gets(buf)
  48         char *buf;
  49 {
  50         register char *lp;
  51         register c;
  52
  53         lp = buf;
  54         for (;;) {
  55                 c = getchar() & 0177;
  56                 switch(c) {
  57                 case '\n':
  58                 case '\r':
  59                         *lp++ = '\0';
  60                         return;
  61                 case '\b':
  62                         if (lp > buf) {
  63                                 lp--;
  64                                 putchar(' ');
  65                                 putchar('\b');
  66                         }
  67                         continue;
  68                 case '#':
  69                 case '\177':
  70                         lp--;
  71                         if (lp < buf)
  72                                 lp = buf;
  73                         continue;
  74                 case '@':
  75                 case 'u'&037:
  76                         lp = buf;
  77                         putchar('\n');          /* XXX calls 'cnputc' on mips */
  78                         continue;
  79                 default:
  80                         *lp++ = c;
  81                 }
  82         }
  83 }
  84
  85 int
  86 getchar()
  87 {
  88         int c;
  89
  90         c = cngetc();
  91 #if 0
  92         if (c == 0x1b)          /* ESC ? */
  93                 call_kdp();
  94 #endif 0
  95
  96         if (c == '\r')
  97                 c = '\n';
  98         cnputc(c);
  99         return c;
 100 }
 101