RTEMS  5.0.0
arm.h
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1 
7 /*
8  * COPYRIGHT (c) 2000 Canon Research Centre France SA.
9  * Emmanuel Raguet, mailto:raguet@crf.canon.fr
10  *
11  * Copyright (c) 2002 Advent Networks, Inc.
12  * Jay Monkman <jmonkman@adventnetworks.com>
13  *
14  * The license and distribution terms for this file may be
15  * found in the file LICENSE in this distribution or at
16  * http://www.rtems.org/license/LICENSE.
17  *
18  */
19 
20 #ifndef _RTEMS_SCORE_ARM_H
21 #define _RTEMS_SCORE_ARM_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
32 #if defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__)
33  #define CPU_MODEL_NAME "ARMv7M"
34  #define ARM_MULTILIB_ARCH_V7M
35 #elif defined(__ARM_ARCH_6M__)
36  #define CPU_MODEL_NAME "ARMv6M"
37  #define ARM_MULTILIB_ARCH_V6M
38 #else
39  #define CPU_MODEL_NAME "ARMv4"
40  #define ARM_MULTILIB_ARCH_V4
41 #endif
42 
43 #if defined(__ARM_ARCH_7A__) \
44  || defined(__ARM_ARCH_7R__) \
45  || defined(__ARM_ARCH_7M__) \
46  || defined(__ARM_ARCH_7EM__)
47  #define ARM_MULTILIB_HAS_WFI
48  #define ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE
49  #define ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS
50 #endif
51 
52 #ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE
53  #if defined(__ARM_ARCH_7A__) \
54  || defined(__ARM_ARCH_7R__)
55  #define ARM_MULTILIB_HAS_THREAD_ID_REGISTER
56  #endif
57 #endif
58 
59 #if defined(__ARM_ARCH_7A__)
60  #define ARM_MULTILIB_CACHE_LINE_MAX_64
61 #endif
62 
63 #if defined(__ARM_ARCH_7A__) \
64  || defined(__ARM_ARCH_7M__) \
65  || defined(__ARM_ARCH_7EM__)
66  #define ARM_MULTILIB_HAS_CPACR
67 #endif
68 
69 #if !defined(__SOFTFP__)
70  #if defined(__ARM_NEON__)
71  #define ARM_MULTILIB_VFP_D32
72  #elif defined(__VFP_FP__)
73  #define ARM_MULTILIB_VFP_D16
74  #else
75  #error "FPU support not implemented"
76  #endif
77 #endif
78 
79 #if defined(ARM_MULTILIB_VFP_D16) \
80  || defined(ARM_MULTILIB_VFP_D32)
81  #define ARM_MULTILIB_VFP
82 #endif
83 
84 /*
85  * Define the name of the CPU family.
86  */
87 
88 #define CPU_NAME "ARM"
89 
92 #ifdef __cplusplus
93 }
94 #endif
95 
96 #endif /* _RTEMS_SCORE_ARM_H */