btarch.h

Go to the documentation of this file.

/*
 * Copyright (c) 2001, Adam Dunkels.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. 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.
 *
 * This file is part of the lwBT stack.
 *
 *
 */

#ifndef __BT_ARCH_H__
#define __BT_ARCH_H__

#include "bt.h"
#include "asm.h"
#include "processor.h"

#define MEM_ALIGNMENT           4
#define MEM_ALIGN(mem)          ((void*)(((u32_t)(mem)+MEM_ALIGNMENT-1)&~(u32_t)(MEM_ALIGNMENT-1)))
#define MEM_ALIGN_SIZE(size)    (((size)+MEM_ALIGNMENT-1)&~(u32_t)(MEM_ALIGNMENT-1))


#if BYTE_ORDER == BIG_ENDIAN
    #ifndef htole16
        #define htole16     bswap16
    #endif
    #ifndef htole32
        #define htole32     bswap32
    #endif
    #ifndef htole64
        #define htole64     bswap64
    #endif
    #ifndef le16toh
        #define le16toh     bswap16
    #endif
    #ifndef le32toh
        #define le32toh     bswap32
    #endif
    #ifndef le642toh
        #define le64toh     bswap64
    #endif
    #ifndef htons
        #define htons(x)    (x)
    #endif
    #ifndef htonl
        #define htonl(x)    (x)
    #endif
    #ifndef ntohl
        #define ntohl(x)    (x)
    #endif
    #ifndef ntohs
        #define ntohs(x)    (x)
    #endif
#else
    #ifndef htole16
        #define htole16
    #endif
    #ifndef htole32
        #define htole32
    #endif
    #ifndef le16toh
        #define le16toh
    #endif
    #ifndef le32toh
        #define le32toh
    #endif
#endif

#if LIBC_MEMFUNCREPLACE
static __inline__ void __memcpy(void *dest,const void *src,s32_t len)
{
    u8_t *dest0 = (u8_t*)dest;
    u8_t *src0 = (u8_t*)src;

    while(len--) {
        *dest0++ = *src0++;
    }
}

static __inline__ void __memset(void *dest,s32_t c,s32_t len)
{
    u8_t *dest0 = (u8_t*)dest;

    while(len--) {
        *dest0++ = (s8_t)c;
    }
}

#define MEMCPY              __memcpy
#define MEMSET              __memset
#else
#define MEMCPY              memcpy
#define MEMSET              memset
#endif

#if LOGGING == 1
#include <stdio.h>
#define LOG(fmt, ...) fprintf(stderr, "[BTLOG] " __FILE__ ":%i: " fmt "\n", __LINE__, ##__VA_ARGS__)
#else
#define LOG(fmt, ...)
#endif /* LOGGING == 1 */

#if ERRORING == 1
#include <stdio.h>
#define ERROR(fmt,...) fprintf(stderr, "[BTERR] " __FILE__ ":%i: " fmt "\n", __LINE__, ##__VA_ARGS__)
#else
#define ERROR(fmt, ...)
#endif /* ERRORING == 1 */

#endif /* __UIP_ARCH_H__ */