cc.h

00001 /*
00002  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without modification,
00006  * are permitted provided that the following conditions are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright notice,
00009  *    this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright notice,
00011  *    this list of conditions and the following disclaimer in the documentation
00012  *    and/or other materials provided with the distribution.
00013  * 3. The name of the author may not be used to endorse or promote products
00014  *    derived from this software without specific prior written permission.
00015  *
00016  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
00017  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
00018  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
00019  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00020  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
00021  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
00024  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
00025  * OF SUCH DAMAGE.
00026  *
00027  * This file is part of the lwIP TCP/IP stack.
00028  *
00029  * Author: Adam Dunkels <adam@sics.se>
00030  *
00031  */
00032 #ifndef __CC_H__
00033 #define __CC_H__
00034 
00035 #include <stdint.h>
00036 #include <stddef.h> /* for size_t */
00037 #include "mbed_toolchain.h"
00038 #include "lwipopts.h"
00039 
00040 #ifdef __cplusplus
00041 extern "C" {
00042 #endif
00043 
00044 /* ARM/LPC17xx is little endian only */
00045 #if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
00046 #ifdef BYTE_ORDER
00047 #undef BYTE_ORDER
00048 #endif
00049 #define BYTE_ORDER LITTLE_ENDIAN
00050 #endif
00051 
00052 #ifndef LWIP_PROVIDE_ERRNO
00053 /* Use LWIP error codes */
00054 #define LWIP_PROVIDE_ERRNO
00055 #endif
00056 
00057 #if defined(__arm__) && defined(__ARMCC_VERSION) && (__ARMCC_VERSION < 6010050)
00058     /* Keil uVision4 tools */
00059     #define PACK_STRUCT_BEGIN __packed
00060     #define PACK_STRUCT_STRUCT
00061     #define PACK_STRUCT_END
00062     #define PACK_STRUCT_FIELD(fld) fld
00063     #define ALIGNED(n)  __align(n)
00064 #elif defined (__IAR_SYSTEMS_ICC__)
00065     /* IAR Embedded Workbench tools */
00066     #define PACK_STRUCT_BEGIN __packed
00067     #define PACK_STRUCT_STRUCT
00068     #define PACK_STRUCT_END
00069     #define PACK_STRUCT_FIELD(fld) fld
00070     #define IAR_STR(a) #a
00071     #define ALIGNED(n) _Pragma(IAR_STR(data_alignment= ## n ##))
00072 #else
00073     /* GCC tools (CodeSourcery) */
00074     #define PACK_STRUCT_BEGIN
00075     #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
00076     #define PACK_STRUCT_END
00077     #define PACK_STRUCT_FIELD(fld) fld
00078     #define ALIGNED(n)  __attribute__((aligned (n)))
00079 #endif
00080 
00081 /* Provide Thumb-2 routines for GCC to improve performance */
00082 #if defined(TOOLCHAIN_GCC) && defined(__thumb2__)
00083     #define MEMCPY(dst,src,len)     thumb2_memcpy(dst,src,len)
00084     #define LWIP_CHKSUM             thumb2_checksum
00085     /* Set algorithm to 0 so that unused lwip_standard_chksum function
00086        doesn't generate compiler warning */
00087     #define LWIP_CHKSUM_ALGORITHM   0
00088 
00089     void* thumb2_memcpy(void* pDest, const void* pSource, size_t length);
00090     uint16_t thumb2_checksum(const void* pData, int length);
00091 #else
00092     /* Used with IP headers only */
00093     #define LWIP_CHKSUM_ALGORITHM   1
00094 #endif
00095 
00096 
00097 #ifdef LWIP_DEBUG
00098 
00099 #if MBED_CONF_LWIP_USE_MBED_TRACE
00100 void lwip_mbed_tracef_debug(const char *fmt, ...);
00101 void lwip_mbed_tracef_error(const char *fmt, ...);
00102 void lwip_mbed_tracef_warn(const char *fmt, ...);
00103 MBED_NORETURN void lwip_mbed_assert_fail(const char *msg, const char *func, const char *file, unsigned int line);
00104 
00105 #define LWIP_PLATFORM_DIAG(vars)         lwip_mbed_tracef_debug vars
00106 #define LWIP_PLATFORM_DIAG_SEVERE(vars)  lwip_mbed_tracef_error vars
00107 #define LWIP_PLATFORM_DIAG_SERIOUS(vars) lwip_mbed_tracef_error vars
00108 #define LWIP_PLATFORM_DIAG_WARNING(vars) lwip_mbed_tracef_warn vars
00109 
00110 #define LWIP_PLATFORM_ASSERT(message) lwip_mbed_assert_fail(message, __func__, __FILE__, __LINE__)
00111 
00112 #else // MBED_CONF_LWIP_USE_MBED_TRACE
00113 #include <stdio.h>
00114 
00115 MBED_NORETURN void assert_printf(const char *msg, int line, const char *file);
00116 
00117 /* Plaform specific diagnostic output */
00118 #define LWIP_PLATFORM_DIAG(vars) printf vars
00119 #define LWIP_PLATFORM_ASSERT(flag) { assert_printf((flag), __LINE__, __FILE__); }
00120 #endif // MBED_CONF_LWIP_USE_MBED_TRACE
00121 #endif
00122 
00123 #if TRACE_TO_ASCII_HEX_DUMP
00124 #define TRACE_TO_ASCII_HEX_DUMPF(prefix, len, data) trace_to_ascii_hex_dump(prefix, len, data)
00125 void trace_to_ascii_hex_dump(char* prefix, int len, char *data);
00126 #else
00127 #define TRACE_TO_ASCII_HEX_DUMPF(prefix, len, data) ((void)0)
00128 #endif
00129 
00130 #include "cmsis.h"
00131 #define LWIP_PLATFORM_HTONS(x)      __REV16(x)
00132 #define LWIP_PLATFORM_HTONL(x)      __REV(x)
00133 
00134 /* Define the memory area for the lwip's memory pools */
00135 #ifndef MEMP_SECTION
00136 #if defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM)
00137 #  if defined (__ICCARM__)
00138 #     define MEMP_SECTION
00139 #  elif defined(TOOLCHAIN_GCC_CR)
00140 #     define MEMP_SECTION __attribute__((section(".data.$RamPeriph32")))
00141 #  else
00142 #     define MEMP_SECTION __attribute__((section("AHBSRAM0"),aligned))
00143 #  endif
00144 #elif defined(TARGET_LPC1768)
00145 #  if defined (__ICCARM__)
00146 #     define MEMP_SECTION
00147 #  elif defined(TOOLCHAIN_GCC_CR)
00148 #     define MEMP_SECTION __attribute__((section(".data.$RamPeriph32")))
00149 #  else
00150 #     define MEMP_SECTION __attribute__((section("AHBSRAM1"),aligned))
00151 #  endif
00152 #endif
00153 #endif
00154 
00155 #ifdef MEMP_SECTION
00156 #define SET_MEMP_SECTION(name) extern uint8_t MEMP_SECTION name[]
00157 
00158 #if defined (__ICCARM__)
00159 #pragma default_variable_attributes = @ ".ethusbram"
00160 #endif
00161 SET_MEMP_SECTION(memp_memory_REASSDATA_base);
00162 SET_MEMP_SECTION(memp_memory_TCP_PCB_LISTEN_base);
00163 SET_MEMP_SECTION(memp_memory_PBUF_POOL_base);
00164 SET_MEMP_SECTION(memp_memory_NETCONN_base);
00165 SET_MEMP_SECTION(memp_memory_IGMP_GROUP_base);
00166 SET_MEMP_SECTION(memp_memory_UDP_PCB_base);
00167 SET_MEMP_SECTION(memp_memory_TCP_PCB_base);
00168 SET_MEMP_SECTION(memp_memory_FRAG_PBUF_base);
00169 SET_MEMP_SECTION(memp_memory_PBUF_base);
00170 SET_MEMP_SECTION(memp_memory_MLD6_GROUP_base);
00171 SET_MEMP_SECTION(memp_memory_IP6_REASSDATA_base);
00172 SET_MEMP_SECTION(memp_memory_NETBUF_base);
00173 SET_MEMP_SECTION(memp_memory_TCPIP_MSG_INPKT_base);
00174 SET_MEMP_SECTION(memp_memory_SYS_TIMEOUT_base);
00175 SET_MEMP_SECTION(memp_memory_TCP_SEG_base);
00176 SET_MEMP_SECTION(memp_memory_TCPIP_MSG_API_base);
00177 #if defined (__ICCARM__)
00178 #pragma default_variable_attributes =
00179 #endif
00180 #endif
00181 
00182 #ifdef __cplusplus
00183 }
00184 #endif
00185 
00186 #endif /* __CC_H__ */