Subversion Repositories HelenOS-historic

Rev

Rev 72 | Rev 331 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1 jermar 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
 
62 decky 35
__u32   haltstate = 0; /**< Halt flag */
1 jermar 36
 
62 decky 37
 
38
/** Halt wrapper
39
 *
40
 * Set halt flag and halt the cpu.
41
 *
42
 */
1 jermar 43
void halt(void)
44
{
45
    haltstate = 1;
46
    cpu_priority_high();
227 jermar 47
    if (CPU)
48
        printf("cpu%d: halted\n", CPU->id);
49
    else
50
        printf("cpu: halted\n");
1 jermar 51
    cpu_halt();
52
}
53
 
54
 
62 decky 55
/** Compare two NULL terminated strings
56
 *
57
 * Do a char-by-char comparment of two NULL terminated strings.
58
 * The strings are considered equal iff they have the same
59
 * length and consist of the same characters.
60
 *
61
 * @param src First string to compare.
62
 * @param dst Second string to compare.
63
 *
64
 * @return 0 if the strings are equal, 1 otherwise.
65
 *
1 jermar 66
 */
72 decky 67
int strcmp(const char *src, const char *dst)
1 jermar 68
{
69
    int i;
70
 
71
    i = 0;
72
    while (src[i] == dst[i]) {
73
        if (src[i] == '\0')
74
            return 0;
75
        i++;
76
    }
77
    return 1;
78
}