source: mainline/src/lib/func.c@ 43114c5

/*
 * Copyright (C) 2001-2004 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <func.h>
#include <print.h>
#include <cpu.h>
#include <arch/asm.h>
#include <arch.h>

__u32   haltstate = 0;

void halt(void)
{
        haltstate = 1;
        cpu_priority_high();
        printf("cpu%d: halted\n", CPU->id);
        cpu_halt();
}


/*
 * returns 0 if src == dst
 * otherwise returns 1
 */
int strcmp(char *src, char *dst)
{
        int i;
        
        i = 0;
        while (src[i] == dst[i]) {
                if (src[i] == '\0')
                        return 0;
                i++;
        }
        return 1;
}

__address __u32_search(__address src, int cnt, __u32 x)
{
        __u32 *base = (__u32 *) src; 
        int i;
        
        for (i=0; i<=cnt-sizeof(__u32); i++)
                if (base[i] == x)
                        return (__address) &base[i];

        return 0;
}