util.h

UBOOT源码,希望能给大家一点帮助,费了好大心思弄来的.

/*-------------------------------------------------------------------------
 * Filename:      util.h
 * Version:       $Id: util.h,v 1.7 2002/01/06 17:04:36 erikm Exp $
 * Copyright:     Copyright (C) 1999, Jan-Derk Bakker
 * Author:        Jan-Derk Bakker <[e-mail]>
 * Description:   Simple utility functions for blob
 * Created at:    Wed Aug 25 21:00:00 1999
 * Modified by:   Erik Mouw <[e-mail]>
 * Modified at:   Tue Sep 28 23:45:46 1999
 *-----------------------------------------------------------------------*/
/*
 * util.h: Simple utility functions for blob
 *
 * Copyright (C) 1999  Jan-Derk Bakker ([e-mail])
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ident "$Id: util.h,v 1.7 2002/01/06 17:04:36 erikm Exp $"


#ifndef BLOB_UTIL_H
#define BLOB_UTIL_H

#include <blob/types.h>

void MyMemCpy(u32 *dest, const u32 *src, int numWords);
void MyMemCpyChar(char *dest, const char *src, int numBytes);
void MyMemSet(u32 *dest, const u32 wordToWrite, int numWords);

void *memcpy(void *dest, const void *src, size_t n);

int strncmp(const char *s1, const char *s2, size_t maxlen);

int strlen(const char *s);

char *strncpy(char *dest, const char *src, size_t n);

/* same as strncpy(), but also null terminates the string */
char *strlcpy(char *dest, const char *src, size_t n);

/* convert a string to an u32 value */
int strtou32(const char *str, u32 *value);


/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")


#endif