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  1. /*
  2.  * Copyright (C) 2001-2004 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #include <func.h>
  30. #include <print.h>
  31. #include <cpu.h>
  32. #include <arch/asm.h>
  33. #include <arch.h>
  34.  
  35. __u32   haltstate = 0;
  36.  
  37. void halt(void)
  38. {
  39.     haltstate = 1;
  40.     cpu_priority_high();
  41.     printf("cpu%d: halted\n", the->cpu->id);
  42.     cpu_halt();
  43. }
  44.  
  45.  
  46. /*
  47.  * returns 0 if src == dst
  48.  * otherwise returns 1
  49.  */
  50. int strcmp(char *src, char *dst)
  51. {
  52.     int i;
  53.    
  54.     i = 0;
  55.     while (src[i] == dst[i]) {
  56.         if (src[i] == '\0')
  57.             return 0;
  58.         i++;
  59.     }
  60.     return 1;
  61. }
  62.  
  63. __address __u32_search(__address src, int cnt, __u32 x)
  64. {
  65.     __u32 *base = (__u32 *) src;
  66.     int i;
  67.    
  68.     for (i=0; i<=cnt-sizeof(__u32); i++)
  69.         if (base[i] == x)
  70.             return (__address) &base[i];
  71.  
  72.     return 0;
  73. }
  74.