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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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 system adaptation of the lwIP TCP/IP stack
* by Adam Dunkels <adam@sics.se> for RTEMS system.
*
* Author: Premysl Houdek <houdepre@fel.cvut.cz>
* Mentor: Pavel Pisa <pisa@cmp.felk.cvut.cz>
* Industrial Informatics Group, FEE, Czech Technical University in Prague
*
*/
/*
* settings to adapt lwIP for compiler and machine architecture for RTEMS/GCC
* DETAILS: ./lwip/doc/sys_arch.txt
*/
#ifndef __CC_H__
#define __CC_H__
#include <stdio.h>
#include <rtems/malloc.h> /*printk*/
#include <inttypes.h>
#include <malloc.h>
#include <sys/time.h>
#include <rtems.h>
#include <sys/errno.h>
#include <endian.h>
#include <stdlib.h>
#include <stdint.h>
#include <sys/uio.h> /*struct iovec*/
#ifndef iovec
#define iovec iovec
#endif
/* This file must either include a system-local <errno.h> which defines
the standard *nix error codes, or it should #define LWIP_PROVIDE_ERRNO
to make lwip/arch.h define the codes which are used throughout. */
#undef LWIP_PROVIDE_ERRNO
#if !defined(LWIP_NO_STDINT_H)
#define LWIP_NO_STDINT_H 0
#endif
#if LWIP_NO_STDINT_H
/* type definitions */
typedef uint8_t u8_t;
typedef int8_t s8_t;
typedef uint16_t u16_t;
typedef int16_t s16_t;
typedef uint32_t u32_t;
typedef int32_t s32_t;
typedef u32_t mem_ptr_t;
#endif /*LWIP_NO_STDINT_H*/
#if !defined(LWIP_NO_INTTYPES_H)
#define LWIP_NO_INTTYPES_H 0
#endif
#if LWIP_NO_INTTYPES_H
/* Define (sn)printf formatters for these lwIP types */
#define U16_F PRIu16
#define S16_F PRId16
#define X16_F PRIx16
#define U32_F PRIu32
#define S32_F PRId32
#define X32_F PRIx32
#endif /*LWIP_NO_INTTYPES_H*/
#if defined(__arm__) && defined(__ARMCC_VERSION)
//
// Setup PACKing macros for KEIL/RVMDK Tools
//
#define PACK_STRUCT_BEGIN __packed
#define PACK_STRUCT_STRUCT
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(x) x
#elif defined (__IAR_SYSTEMS_ICC__)
//
// Setup PACKing macros for IAR Tools
//
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_STRUCT
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(x) x
#define PACK_STRUCT_USE_INCLUDES
#elif defined (__TMS470__)
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_STRUCT
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(x) x
#else
//
// Setup PACKing macros for GCC Tools
//
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
#define PACK_STRUCT_END
#define PACK_STRUCT_FIELD(x) x
#endif
/*
* 1 - load byte by byte, construct 16 bits word and add: not efficient for most platforms
* 2 - load first byte if odd address, loop processing 16 bits words, add last byte.
* 3 - load first byte and word if not 4 byte aligned, loop processing 32 bits words, add last word/byte.
*
* see inet_chksum.c
*/
#ifndef LWIP_CHKSUM_ALGORITHM
#define LWIP_CHKSUM_ALGORITHM 2
#endif
/* this is used for 1) displaying statistics and 2) lwip debugging (set appropriate debugging level in lwipopts.h) */
//#ifdef LWIP_DEBUG
#define LWIP_PLATFORM_DIAG(expr) printk expr
//#else
//#define LWIP_PLATFORM_DIAG(expr)
//#endif
//#define DEBUG
#ifdef DEBUG
/* for passing arguments to print function */
#define CC_ASSERT(message, assertion) do { if (!(assertion)) \
LWIP_PLATFORM_DIAG(message); } while (0)
//extern void __error__(char *pcFilename, unsigned long ulLine);
#define LWIP_PLATFORM_ASSERT(expr) printk((const char *)expr)
/*
{ \
if(!(expr)) \
{ \
__error__(__FILE__, __LINE__); \
} \
}
*/
#else
#define LWIP_PLATFORM_ASSERT(expr)
#define CC_ASSERT(message, assertion)
#endif /* DEBUG */
/* "lightweight" synchronization mechanisms */
/* #define SYS_ARCH_DECL_PROTECT(x) */ /* declare a protection state variable */
/* #define SYS_ARCH_PROTECT(x) */ /* enter protection mode */
/* #define SYS_ARCH_UNPROTECT(x) */ /* leave protection mode */
/* 32-bit random value used by igmp and others */
#define LWIP_RAND() ((uint32_t)random())
#endif /* __CC_H__ */
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