1 /*
2  * Copyright (c) 2017-2022, Arm Limited. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef __TFM_PLAT_DEFS_H__
9 #define __TFM_PLAT_DEFS_H__
10 /**
11  * \note The interfaces defined in this file must be implemented for each
12  *       target.
13  */
14 
15 #include <stdint.h>
16 #include <limits.h>
17 
18 enum tfm_plat_err_t {
19     TFM_PLAT_ERR_SUCCESS = 0,
20     TFM_PLAT_ERR_SYSTEM_ERR = 0x3A5C,
21     TFM_PLAT_ERR_MAX_VALUE = 0x55A3,
22     TFM_PLAT_ERR_INVALID_INPUT = 0xA3C5,
23     TFM_PLAT_ERR_UNSUPPORTED = 0xC35A,
24     TFM_PLAT_ERR_NOT_PERMITTED = 0xC5A3,
25     /* Following entry is only to ensure the error code of int size */
26     TFM_PLAT_ERR_FORCE_INT_SIZE = INT_MAX
27 };
28 
29 #if defined(TFM_ISOLATION_LEVEL) && (TFM_ISOLATION_LEVEL != 1)
30 
31 /*!
32  * \def TFM_LINK_SET_RO_IN_PARTITION_SECTION(TFM_PARTITION_NAME)
33  *
34  * \brief This macro provides a mechanism to place a function code or a data
35  *        variable in the code section (e.g. RO) of a specific secure partition
36  *        at linker time.
37  *
38  * \param[in] TFM_PARTITION_NAME  TF-M partition name assigned in the manifest
39  *                                file "name" field.
40  * \param[in] TFM_PARTITION_TYPE  TF-M partition type assigned in the manifest
41  *                                file "type" field.
42  */
43 #define TFM_LINK_SET_RO_IN_PARTITION_SECTION(TFM_PARTITION_NAME, \
44                                              TFM_PARTITION_TYPE) \
45     __attribute__((section(TFM_PARTITION_NAME "_" TFM_PARTITION_TYPE "_ATTR_FN")))
46 
47 /*!
48  * \def TFM_LINK_SET_RW_IN_PARTITION_SECTION(TFM_PARTITION_NAME)
49  *
50  * \brief This macro provides a mechanism to place data variables in the RW data
51  *        section of a specific secure partition at linker time.
52  *
53  * \param[in] TFM_PARTITION_NAME  TF-M partition name assigned in the manifest
54  *                                file "name" field.
55  * \param[in] TFM_PARTITION_TYPE  TF-M partition type assigned in the manifest
56  *                                file "type" field.
57  */
58 #define TFM_LINK_SET_RW_IN_PARTITION_SECTION(TFM_PARTITION_NAME, \
59                                              TFM_PARTITION_TYPE) \
60     __attribute__((section(TFM_PARTITION_NAME "_" TFM_PARTITION_TYPE "_ATTR_RW")))
61 
62 /*!
63  * \def TFM_LINK_SET_ZI_IN_PARTITION_SECTION(TFM_PARTITION_NAME)
64  *
65  * \brief This macro provides a mechanism to place data variables in the ZI data
66  *        section of a specific secure partition at linker time.
67  *
68  * \param[in] TFM_PARTITION_NAME  TF-M partition name assigned in the manifest
69  *                                file "name" field.
70  * \param[in] TFM_PARTITION_TYPE  TF-M partition type assigned in the manifest
71  *                                file "type" field.
72  */
73 #define TFM_LINK_SET_ZI_IN_PARTITION_SECTION(TFM_PARTITION_NAME, \
74                                              TFM_PARTITION_TYPE) \
75     __attribute__((section(TFM_PARTITION_NAME "_" TFM_PARTITION_TYPE "_ATTR_ZI")))
76 #else
77 #define TFM_LINK_SET_RO_IN_PARTITION_SECTION(TFM_PARTITION_NAME, TFM_PARTITION_TYPE)
78 #define TFM_LINK_SET_RW_IN_PARTITION_SECTION(TFM_PARTITION_NAME, TFM_PARTITION_TYPE)
79 #define TFM_LINK_SET_ZI_IN_PARTITION_SECTION(TFM_PARTITION_NAME, TFM_PARTITION_TYPE)
80 #endif
81 #endif /* __TFM_PLAT_DEFS_H__ */
82