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tfm_ns_svc.h
1 /*
2  * Copyright (c) 2017-2019, Arm Limited. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #include <stdio.h>
9 #include <cmsis_compiler.h>
10 
11 #ifndef __TFM_NS_SVC_H__
12 #define __TFM_NS_SVC_H__
13 
14 #ifdef __cplusplus
15 extern "C" {
16 #endif
17 
18 /**
19  * \brief Include all the SVC handler headers
20  */
21 #include "tfm_nspm_svc_handler.h"
22 
23 /**
24  * \brief Macro to encode an svc instruction
25  *
26  */
27 #define SVC(code) __ASM volatile("svc %0" : : "I" (code))
28 
29 /**
30  * \def LIST_SVC_NSPM
31  *
32  * \brief This is an X macro which lists
33  * the SVC interface exposed by TF-M
34  * for the NS OS.
35  *
36  */
37 #define LIST_SVC_NSPM \
38  X(SVC_TFM_NSPM_REGISTER_CLIENT_ID, tfm_nspm_svc_register_client_id) \
39 
40 /**
41  * \brief Numbers associated to each SVC available
42  *
43  * \details Start from 1 as 0 is reserved by RTX
44  */
45 enum tfm_svc_num {
46  SVC_INVALID = 0,
47 
48 #define X(SVC_ENUM, SVC_HANDLER) SVC_ENUM,
49 
50  /* SVC API for Services */
51 #ifdef TFM_NS_CLIENT_IDENTIFICATION
52  LIST_SVC_NSPM
53 #endif
54 
55 #undef X
56 
57  /* add all the new entries above this line */
58  SVC_TFM_MAX,
59 };
60 
61 /* number of user SVC functions */
62 #define USER_SVC_COUNT ((uint32_t)SVC_TFM_MAX - 1)
63 
64 #ifdef __cplusplus
65 }
66 #endif
67 
68 #endif /* __TFM_NS_SVC_H__ */
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