1 /*
2 * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <stdint.h>
9
10 #include "config_impl.h"
11 #include "security_defs.h"
12 #include "tfm_arch.h"
13 #include "tfm_psa_call_pack.h"
14
15 #include "psa/client.h"
16
17 /*
18 * This is the veneers of FF-M Client APIs, except for Armv8.0-m.
19 * The interfaces are written in C unlike Armv8.0-m because reentrant detection
20 * is done by the architecture.
21 *
22 * As NS Agent is also a Secure Partition, it can call the client APIs directly.
23 *
24 */
25
26 __tz_c_veneer
tfm_psa_framework_version_veneer(void)27 uint32_t tfm_psa_framework_version_veneer(void)
28 {
29 uint32_t ret;
30 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
31 __set_BASEPRI(SECURE_THREAD_EXECUTION_PRIORITY);
32 #endif
33 ret = psa_framework_version();
34 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
35 __set_BASEPRI(0);
36 #endif
37 return ret;
38 }
39
40 __tz_c_veneer
tfm_psa_version_veneer(uint32_t sid)41 uint32_t tfm_psa_version_veneer(uint32_t sid)
42 {
43 uint32_t ret;
44 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
45 __set_BASEPRI(SECURE_THREAD_EXECUTION_PRIORITY);
46 #endif
47 ret = psa_version(sid);
48 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
49 __set_BASEPRI(0);
50 #endif
51 return ret;
52 }
53
54 __tz_c_veneer
tfm_psa_call_veneer(psa_handle_t handle,uint32_t ctrl_param,const psa_invec * in_vec,psa_outvec * out_vec)55 psa_status_t tfm_psa_call_veneer(psa_handle_t handle,
56 uint32_t ctrl_param,
57 const psa_invec *in_vec,
58 psa_outvec *out_vec)
59 {
60 psa_status_t ret;
61 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
62 __set_BASEPRI(SECURE_THREAD_EXECUTION_PRIORITY);
63 #endif
64 ret = tfm_psa_call_pack(handle,
65 PARAM_SET_NS_VEC(ctrl_param),
66 in_vec, out_vec);
67 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
68 __set_BASEPRI(0);
69 #endif
70 return ret;
71 }
72
73 /* Following veneers are only needed by connection-based services */
74 #if CONFIG_TFM_CONNECTION_BASED_SERVICE_API == 1
75 __tz_c_veneer
tfm_psa_connect_veneer(uint32_t sid,uint32_t version)76 psa_handle_t tfm_psa_connect_veneer(uint32_t sid, uint32_t version)
77 {
78 psa_handle_t ret;
79 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
80 __set_BASEPRI(SECURE_THREAD_EXECUTION_PRIORITY);
81 #endif
82 ret = psa_connect(sid, version);
83 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
84 __set_BASEPRI(0);
85 #endif
86 return ret;
87 }
88
89 __tz_c_veneer
tfm_psa_close_veneer(psa_handle_t handle)90 void tfm_psa_close_veneer(psa_handle_t handle)
91 {
92 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
93 __set_BASEPRI(SECURE_THREAD_EXECUTION_PRIORITY);
94 #endif
95 psa_close(handle);
96 #if CONFIG_TFM_SECURE_THREAD_MASK_NS_INTERRUPT == 1
97 __set_BASEPRI(0);
98 #endif
99 }
100 #else /* CONFIG_TFM_CONNECTION_BASED_SERVICE_API */
101 __tz_c_veneer
tfm_psa_connect_veneer(uint32_t sid,uint32_t version)102 psa_handle_t tfm_psa_connect_veneer(uint32_t sid, uint32_t version)
103 {
104 (void)sid;
105 (void)version;
106
107 return PSA_ERROR_NOT_SUPPORTED;
108 }
109
110 __tz_c_veneer
tfm_psa_close_veneer(psa_handle_t handle)111 void tfm_psa_close_veneer(psa_handle_t handle)
112 {
113 (void)handle;
114
115 return;
116 }
117 #endif /* CONFIG_TFM_CONNECTION_BASED_SERVICE_API */
118
