Lee Kai Xuan / mbed-os

mbed-os

Fork of mbed-os by erkin yucel

features/FEATURE_LWIP/lwip-interface/lwip-sys/arch/cc.h@1:3deb71413561, 2017-07-20 (annotated)

Committer:
xuaner
Date:
Thu Jul 20 14:26:57 2017 +0000
Revision:
1:3deb71413561
Parent:
0:f269e3021894 
mbed_os

Who changed what in which revision?

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elessair 0:f269e3021894 1 /*
elessair 0:f269e3021894 2 * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
elessair 0:f269e3021894 3 * All rights reserved.
elessair 0:f269e3021894 4 *
elessair 0:f269e3021894 5 * Redistribution and use in source and binary forms, with or without modification,
elessair 0:f269e3021894 6 * are permitted provided that the following conditions are met:
elessair 0:f269e3021894 7 *
elessair 0:f269e3021894 8 * 1. Redistributions of source code must retain the above copyright notice,
elessair 0:f269e3021894 9 * this list of conditions and the following disclaimer.
elessair 0:f269e3021894 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
elessair 0:f269e3021894 11 * this list of conditions and the following disclaimer in the documentation
elessair 0:f269e3021894 12 * and/or other materials provided with the distribution.
elessair 0:f269e3021894 13 * 3. The name of the author may not be used to endorse or promote products
elessair 0:f269e3021894 14 * derived from this software without specific prior written permission.
elessair 0:f269e3021894 15 *
elessair 0:f269e3021894 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
elessair 0:f269e3021894 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
elessair 0:f269e3021894 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
elessair 0:f269e3021894 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
elessair 0:f269e3021894 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
elessair 0:f269e3021894 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
elessair 0:f269e3021894 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
elessair 0:f269e3021894 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
elessair 0:f269e3021894 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
elessair 0:f269e3021894 25 * OF SUCH DAMAGE.
elessair 0:f269e3021894 26 *
elessair 0:f269e3021894 27 * This file is part of the lwIP TCP/IP stack.
elessair 0:f269e3021894 28 *
elessair 0:f269e3021894 29 * Author: Adam Dunkels <adam@sics.se>
elessair 0:f269e3021894 30 *
elessair 0:f269e3021894 31 */
elessair 0:f269e3021894 32 #ifndef __CC_H__
elessair 0:f269e3021894 33 #define __CC_H__
elessair 0:f269e3021894 34
elessair 0:f269e3021894 35 #include <stdint.h>
elessair 0:f269e3021894 36 #include <stddef.h> /* for size_t */
elessair 0:f269e3021894 37
elessair 0:f269e3021894 38 /* Types based on stdint.h */
elessair 0:f269e3021894 39 typedef uint8_t u8_t;
elessair 0:f269e3021894 40 typedef int8_t s8_t;
elessair 0:f269e3021894 41 typedef uint16_t u16_t;
elessair 0:f269e3021894 42 typedef int16_t s16_t;
elessair 0:f269e3021894 43 typedef uint32_t u32_t;
elessair 0:f269e3021894 44 typedef int32_t s32_t;
elessair 0:f269e3021894 45 typedef uintptr_t mem_ptr_t;
elessair 0:f269e3021894 46
elessair 0:f269e3021894 47 /* Define (sn)printf formatters for these lwIP types */
elessair 0:f269e3021894 48 #define U16_F "hu"
elessair 0:f269e3021894 49 #define S16_F "hd"
elessair 0:f269e3021894 50 #define X16_F "hx"
elessair 0:f269e3021894 51 #define U32_F "lu"
elessair 0:f269e3021894 52 #define S32_F "ld"
elessair 0:f269e3021894 53 #define X32_F "lx"
elessair 0:f269e3021894 54 #define SZT_F "uz"
elessair 0:f269e3021894 55
elessair 0:f269e3021894 56 /* ARM/LPC17xx is little endian only */
elessair 0:f269e3021894 57 #define BYTE_ORDER LITTLE_ENDIAN
elessair 0:f269e3021894 58
elessair 0:f269e3021894 59 /* Use LWIP error codes */
elessair 0:f269e3021894 60 #define LWIP_PROVIDE_ERRNO
elessair 0:f269e3021894 61
elessair 0:f269e3021894 62 #if defined(__arm__) && defined(__ARMCC_VERSION)
elessair 0:f269e3021894 63 /* Keil uVision4 tools */
elessair 0:f269e3021894 64 #define PACK_STRUCT_BEGIN __packed
elessair 0:f269e3021894 65 #define PACK_STRUCT_STRUCT
elessair 0:f269e3021894 66 #define PACK_STRUCT_END
elessair 0:f269e3021894 67 #define PACK_STRUCT_FIELD(fld) fld
elessair 0:f269e3021894 68 #define ALIGNED(n) __align(n)
elessair 0:f269e3021894 69 #elif defined (__IAR_SYSTEMS_ICC__)
elessair 0:f269e3021894 70 /* IAR Embedded Workbench tools */
elessair 0:f269e3021894 71 #define PACK_STRUCT_BEGIN __packed
elessair 0:f269e3021894 72 #define PACK_STRUCT_STRUCT
elessair 0:f269e3021894 73 #define PACK_STRUCT_END
elessair 0:f269e3021894 74 #define PACK_STRUCT_FIELD(fld) fld
elessair 0:f269e3021894 75 #define IAR_STR(a) #a
elessair 0:f269e3021894 76 #define ALIGNED(n) _Pragma(IAR_STR(data_alignment= ## n ##))
elessair 0:f269e3021894 77 #else
elessair 0:f269e3021894 78 /* GCC tools (CodeSourcery) */
elessair 0:f269e3021894 79 #define PACK_STRUCT_BEGIN
elessair 0:f269e3021894 80 #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
elessair 0:f269e3021894 81 #define PACK_STRUCT_END
elessair 0:f269e3021894 82 #define PACK_STRUCT_FIELD(fld) fld
elessair 0:f269e3021894 83 #define ALIGNED(n) __attribute__((aligned (n)))
elessair 0:f269e3021894 84 #endif
elessair 0:f269e3021894 85
elessair 0:f269e3021894 86 /* Provide Thumb-2 routines for GCC to improve performance */
elessair 0:f269e3021894 87 #if defined(TOOLCHAIN_GCC) && defined(__thumb2__)
elessair 0:f269e3021894 88 #define MEMCPY(dst,src,len) thumb2_memcpy(dst,src,len)
elessair 0:f269e3021894 89 #define LWIP_CHKSUM thumb2_checksum
elessair 0:f269e3021894 90 /* Set algorithm to 0 so that unused lwip_standard_chksum function
elessair 0:f269e3021894 91 doesn't generate compiler warning */
elessair 0:f269e3021894 92 #define LWIP_CHKSUM_ALGORITHM 0
elessair 0:f269e3021894 93
elessair 0:f269e3021894 94 void* thumb2_memcpy(void* pDest, const void* pSource, size_t length);
elessair 0:f269e3021894 95 u16_t thumb2_checksum(void* pData, int length);
elessair 0:f269e3021894 96 #else
elessair 0:f269e3021894 97 /* Used with IP headers only */
elessair 0:f269e3021894 98 #define LWIP_CHKSUM_ALGORITHM 1
elessair 0:f269e3021894 99 #endif
elessair 0:f269e3021894 100
elessair 0:f269e3021894 101
elessair 0:f269e3021894 102 #ifdef LWIP_DEBUG
elessair 0:f269e3021894 103
elessair 0:f269e3021894 104 #include "stdio.h"
elessair 0:f269e3021894 105
elessair 0:f269e3021894 106 void assert_printf(char *msg, int line, char *file);
elessair 0:f269e3021894 107
elessair 0:f269e3021894 108 /* Plaform specific diagnostic output */
elessair 0:f269e3021894 109 #define LWIP_PLATFORM_DIAG(vars) printf vars
elessair 0:f269e3021894 110 #define LWIP_PLATFORM_ASSERT(flag) { assert_printf((flag), __LINE__, __FILE__); }
elessair 0:f269e3021894 111 #else
elessair 0:f269e3021894 112 #define LWIP_PLATFORM_DIAG(msg) { ; }
elessair 0:f269e3021894 113 #define LWIP_PLATFORM_ASSERT(flag) { ; }
elessair 0:f269e3021894 114 #endif
elessair 0:f269e3021894 115
elessair 0:f269e3021894 116 #include "cmsis.h"
elessair 0:f269e3021894 117 #define LWIP_PLATFORM_HTONS(x) __REV16(x)
elessair 0:f269e3021894 118 #define LWIP_PLATFORM_HTONL(x) __REV(x)
elessair 0:f269e3021894 119
elessair 0:f269e3021894 120 #endif /* __CC_H__ */