btarch.h

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/*
 * 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__ */