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 <sys/time.h>
36 
37 #ifndef PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE
38 #define PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE 1
39 #endif
40 
41 #if NO_SYS
42 // todo really we should just not allow SYS_LIGHTWEIGHT_PROT for nosys mode (it doesn't do anything anyway)
43 typedef int sys_prot_t;
44 #elif PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE
45 void pico_lwip_custom_lock_tcpip_core(void);
46 void pico_lwip_custom_unlock_tcpip_core(void);
47 #define LOCK_TCPIP_CORE() pico_lwip_custom_lock_tcpip_core()
48 #define UNLOCK_TCPIP_CORE() pico_lwip_custom_unlock_tcpip_core()
49 #endif
50 
51 /* define compiler specific symbols */
52 #if defined (__ICCARM__)
53 
54 #define PACK_STRUCT_BEGIN
55 #define PACK_STRUCT_STRUCT
56 #define PACK_STRUCT_END
57 #define PACK_STRUCT_FIELD(x) x
58 #define PACK_STRUCT_USE_INCLUDES
59 
60 #elif defined (__CC_ARM)
61 
62 #define PACK_STRUCT_BEGIN __packed
63 #define PACK_STRUCT_STRUCT
64 #define PACK_STRUCT_END
65 #define PACK_STRUCT_FIELD(x) x
66 
67 #elif defined (__GNUC__)
68 
69 #define PACK_STRUCT_BEGIN
70 #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
71 #define PACK_STRUCT_END
72 #define PACK_STRUCT_FIELD(x) x
73 
74 #elif defined (__TASKING__)
75 
76 #define PACK_STRUCT_BEGIN
77 #define PACK_STRUCT_STRUCT
78 #define PACK_STRUCT_END
79 #define PACK_STRUCT_FIELD(x) x
80 
81 #endif
82 
83 #ifndef LWIP_PLATFORM_ASSERT
84 #include "pico.h"
85 #define LWIP_PLATFORM_ASSERT(x) panic(x)
86 #endif
87 
88 #ifndef LWIP_RAND
89 #include "pico/rand.h"
90 // Use the pico_rand library which goes to reasonable lengths to try to provide good entropy
91 #define LWIP_RAND() get_rand_32()
92 #endif
93 #endif /* __CC_H__ */