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Diffstat (limited to 'lwip/ports/os/rtems/arch/cc.h')
| -rw-r--r-- | lwip/ports/os/rtems/arch/cc.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/lwip/ports/os/rtems/arch/cc.h b/lwip/ports/os/rtems/arch/cc.h new file mode 100644 index 0000000..84138ff --- /dev/null +++ b/lwip/ports/os/rtems/arch/cc.h @@ -0,0 +1,177 @@ +/* + * 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__ */ |