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cc.h
1 /*
2  * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  * this list of conditions and the following disclaimer in the documentation
12  * and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  * derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
25  * OF SUCH DAMAGE.
26  *
27  * This file is part of the lwIP TCP/IP stack.
28  *
29  * Author: Adam Dunkels <adam@sics.se>
30  *
31  */
32 #ifndef __CC_H__
33 #define __CC_H__
34 
35 #include <stdint.h>
36 #include <stddef.h> /* for size_t */
37 #include "mbed_toolchain.h"
38 #include "lwipopts.h"
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 /* ARM/LPC17xx is little endian only */
45 #if !defined(BYTE_ORDER) || (BYTE_ORDER != LITTLE_ENDIAN && BYTE_ORDER != BIG_ENDIAN)
46 #ifdef BYTE_ORDER
47 #undef BYTE_ORDER
48 #endif
49 #define BYTE_ORDER LITTLE_ENDIAN
50 #endif
51 
52 #ifndef LWIP_PROVIDE_ERRNO
53 /* Use LWIP error codes */
54 #define LWIP_PROVIDE_ERRNO
55 #endif
56 
57 #if defined (__IAR_SYSTEMS_ICC__)
58  /* IAR Embedded Workbench tools */
59  #define PACK_STRUCT_BEGIN __packed
60  #define PACK_STRUCT_STRUCT
61  #define PACK_STRUCT_END
62  #define PACK_STRUCT_FIELD(fld) fld
63  #define IAR_STR(a) #a
64  #define ALIGNED(n) _Pragma(IAR_STR(data_alignment= ## n ##))
65 #else
66  /* GCC tools (CodeSourcery) */
67  #define PACK_STRUCT_BEGIN
68  #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
69  #define PACK_STRUCT_END
70  #define PACK_STRUCT_FIELD(fld) fld
71  #define ALIGNED(n) __attribute__((aligned (n)))
72 #endif
73 
74 /* Provide Thumb-2 routines for GCC to improve performance */
75 #if defined(TOOLCHAIN_GCC) && defined(__thumb2__)
76  #define MEMCPY(dst,src,len) thumb2_memcpy(dst,src,len)
77  #define LWIP_CHKSUM thumb2_checksum
78  /* Set algorithm to 0 so that unused lwip_standard_chksum function
79  doesn't generate compiler warning */
80  #define LWIP_CHKSUM_ALGORITHM 0
81 
82  void* thumb2_memcpy(void* pDest, const void* pSource, size_t length);
83  uint16_t thumb2_checksum(const void* pData, int length);
84 #else
85  /* Used with IP headers only */
86  #define LWIP_CHKSUM_ALGORITHM 1
87 #endif
88 
89 
90 #ifdef LWIP_DEBUG
91 
92 #if MBED_CONF_LWIP_USE_MBED_TRACE
93 void lwip_mbed_tracef_debug(const char *fmt, ...);
94 void lwip_mbed_tracef_error(const char *fmt, ...);
95 void lwip_mbed_tracef_warn(const char *fmt, ...);
96 MBED_NORETURN void lwip_mbed_assert_fail(const char *msg, const char *func, const char *file, unsigned int line);
97 
98 #define LWIP_PLATFORM_DIAG(vars) lwip_mbed_tracef_debug vars
99 #define LWIP_PLATFORM_DIAG_SEVERE(vars) lwip_mbed_tracef_error vars
100 #define LWIP_PLATFORM_DIAG_SERIOUS(vars) lwip_mbed_tracef_error vars
101 #define LWIP_PLATFORM_DIAG_WARNING(vars) lwip_mbed_tracef_warn vars
102 
103 #define LWIP_PLATFORM_ASSERT(message) lwip_mbed_assert_fail(message, __func__, __FILE__, __LINE__)
104 
105 #else // MBED_CONF_LWIP_USE_MBED_TRACE
106 #include <stdio.h>
107 
108 MBED_NORETURN void assert_printf(const char *msg, int line, const char *file);
109 
110 /* Plaform specific diagnostic output */
111 #define LWIP_PLATFORM_DIAG(vars) printf vars
112 #define LWIP_PLATFORM_ASSERT(flag) { assert_printf((flag), __LINE__, __FILE__); }
113 #endif // MBED_CONF_LWIP_USE_MBED_TRACE
114 #endif
115 
116 #if TRACE_TO_ASCII_HEX_DUMP
117 #define TRACE_TO_ASCII_HEX_DUMPF(prefix, len, data) trace_to_ascii_hex_dump(prefix, len, data)
118 void trace_to_ascii_hex_dump(char* prefix, int len, char *data);
119 #else
120 #define TRACE_TO_ASCII_HEX_DUMPF(prefix, len, data) ((void)0)
121 #endif
122 
123 #include "cmsis.h"
124 #define LWIP_PLATFORM_HTONS(x) __REV16(x)
125 #define LWIP_PLATFORM_HTONL(x) __REV(x)
126 
127 // Provide inline replacements for htons() and htonl()
128 #define lwip_htons(x) __REV16(x)
129 #define lwip_htonl(x) __REV(x)
130 
131 /* Define the memory area for the lwip's memory pools */
132 #ifndef MEMP_SECTION
133 #if defined(TARGET_LPC1768)
134 # if defined (__ICCARM__)
135 # define MEMP_SECTION
136 # elif defined(TOOLCHAIN_GCC_CR)
137 # define MEMP_SECTION __attribute__((section(".data.$RamPeriph32")))
138 # else
139 # define MEMP_SECTION __attribute__((section("AHBSRAM1"),aligned))
140 # endif
141 #endif
142 #endif
143 
144 #ifdef MEMP_SECTION
145 #define SET_MEMP_SECTION(name) extern uint8_t MEMP_SECTION name[]
146 
147 #if defined (__ICCARM__)
148 #pragma default_variable_attributes = @ ".ethusbram"
149 #endif
150 SET_MEMP_SECTION(memp_memory_REASSDATA_base);
151 SET_MEMP_SECTION(memp_memory_TCP_PCB_LISTEN_base);
152 SET_MEMP_SECTION(memp_memory_PBUF_POOL_base);
153 SET_MEMP_SECTION(memp_memory_NETCONN_base);
154 SET_MEMP_SECTION(memp_memory_IGMP_GROUP_base);
155 SET_MEMP_SECTION(memp_memory_UDP_PCB_base);
156 SET_MEMP_SECTION(memp_memory_TCP_PCB_base);
157 SET_MEMP_SECTION(memp_memory_FRAG_PBUF_base);
158 SET_MEMP_SECTION(memp_memory_PBUF_base);
159 SET_MEMP_SECTION(memp_memory_MLD6_GROUP_base);
160 SET_MEMP_SECTION(memp_memory_IP6_REASSDATA_base);
161 SET_MEMP_SECTION(memp_memory_NETBUF_base);
162 SET_MEMP_SECTION(memp_memory_TCPIP_MSG_INPKT_base);
163 SET_MEMP_SECTION(memp_memory_SYS_TIMEOUT_base);
164 SET_MEMP_SECTION(memp_memory_TCP_SEG_base);
165 SET_MEMP_SECTION(memp_memory_TCPIP_MSG_API_base);
166 #if defined (__ICCARM__)
167 #pragma default_variable_attributes =
168 #endif
169 #endif
170 
171 #ifdef __cplusplus
172 }
173 #endif
174 
175 #endif /* __CC_H__ */
MBED_NORETURN
#define MBED_NORETURN
MBED_NORETURN Declare a function that will never return.
Definition: mbed_toolchain.h:328
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