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