tmk_core/tool/mbed/mbed-sdk/libraries/net/lwip/lwip-sys/arch/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
  37 /* Types based on stdint.h */
  38 typedef uint8_t            u8_t;
  39 typedef int8_t             s8_t;
  40 typedef uint16_t           u16_t;
  41 typedef int16_t            s16_t;
  42 typedef uint32_t           u32_t;
  43 typedef int32_t            s32_t;
  44 typedef uintptr_t          mem_ptr_t;
  45
  46 /* Define (sn)printf formatters for these lwIP types */
  47 #define U16_F "hu"
  48 #define S16_F "hd"
  49 #define X16_F "hx"
  50 #define U32_F "lu"
  51 #define S32_F "ld"
  52 #define X32_F "lx"
  53 #define SZT_F "uz"
  54
  55 /* ARM/LPC17xx is little endian only */
  56 #define BYTE_ORDER LITTLE_ENDIAN
  57
  58 /* Use LWIP error codes */
  59 #define LWIP_PROVIDE_ERRNO
  60
  61 #if defined(__arm__) && defined(__ARMCC_VERSION)
  62     /* Keil uVision4 tools */
  63     #define PACK_STRUCT_BEGIN __packed
  64     #define PACK_STRUCT_STRUCT
  65     #define PACK_STRUCT_END
  66     #define PACK_STRUCT_FIELD(fld) fld
  67     #define ALIGNED(n)  __align(n)
  68 #elif defined (__IAR_SYSTEMS_ICC__)
  69     /* IAR Embedded Workbench tools */
  70     #define PACK_STRUCT_BEGIN __packed
  71     #define PACK_STRUCT_STRUCT
  72     #define PACK_STRUCT_END
  73     #define PACK_STRUCT_FIELD(fld) fld
  74     #define IAR_STR(a) #a
  75     #define ALIGNED(n) _Pragma(IAR_STR(data_alignment= ## n ##))
  76 #else
  77     /* GCC tools (CodeSourcery) */
  78     #define PACK_STRUCT_BEGIN
  79     #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
  80     #define PACK_STRUCT_END
  81     #define PACK_STRUCT_FIELD(fld) fld
  82     #define ALIGNED(n)  __attribute__((aligned (n)))
  83 #endif
  84
  85 /* Provide Thumb-2 routines for GCC to improve performance */
  86 #if defined(TOOLCHAIN_GCC) && defined(__thumb2__)
  87     #define MEMCPY(dst,src,len)     thumb2_memcpy(dst,src,len)
  88     #define LWIP_CHKSUM             thumb2_checksum
  89     /* Set algorithm to 0 so that unused lwip_standard_chksum function
  90        doesn't generate compiler warning */
  91     #define LWIP_CHKSUM_ALGORITHM   0
  92
  93     void* thumb2_memcpy(void* pDest, const void* pSource, size_t length);
  94     u16_t thumb2_checksum(void* pData, int length);
  95 #else
  96     /* Used with IP headers only */
  97     #define LWIP_CHKSUM_ALGORITHM   1
  98 #endif
  99
 100
 101 #ifdef LWIP_DEBUG
 102
 103 #include "stdio.h"
 104
 105 void assert_printf(char *msg, int line, char *file);
 106
 107 /* Plaform specific diagnostic output */
 108 #define LWIP_PLATFORM_DIAG(vars) printf vars
 109 #define LWIP_PLATFORM_ASSERT(flag) { assert_printf((flag), __LINE__, __FILE__); }
 110 #else
 111 #define LWIP_PLATFORM_DIAG(msg) { ; }
 112 #define LWIP_PLATFORM_ASSERT(flag) { ; }
 113 #endif
 114
 115 #include "cmsis.h"
 116 #define LWIP_PLATFORM_HTONS(x)      __REV16(x)
 117 #define LWIP_PLATFORM_HTONL(x)      __REV(x)
 118
 119 #endif /* __CC_H__ */