1 /*
2 * Copyright (c) 2018-2022, Arm Limited. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 */
7
8 #include <stdint.h>
9 #include "compiler_ext_defs.h"
10 #include "config_spm.h"
11 #include "runtime_defs.h"
12 #include "svc_num.h"
13 #include "tfm_psa_call_pack.h"
14 #include "utilities.h"
15 #include "psa/client.h"
16 #include "psa/lifecycle.h"
17 #include "psa/service.h"
18
psa_framework_version_svc(void)19 __naked uint32_t psa_framework_version_svc(void)
20 {
21 __asm volatile("svc "M2S(TFM_SVC_PSA_FRAMEWORK_VERSION)"\n"
22 "bx lr \n");
23 }
24
psa_version_svc(uint32_t sid)25 __naked uint32_t psa_version_svc(uint32_t sid)
26 {
27 __asm volatile("svc "M2S(TFM_SVC_PSA_VERSION)" \n"
28 "bx lr \n");
29 }
30
tfm_psa_call_pack_svc(psa_handle_t handle,uint32_t ctrl_param,const psa_invec * in_vec,psa_outvec * out_vec)31 __naked psa_status_t tfm_psa_call_pack_svc(psa_handle_t handle,
32 uint32_t ctrl_param,
33 const psa_invec *in_vec,
34 psa_outvec *out_vec)
35 {
36 __asm volatile("svc "M2S(TFM_SVC_PSA_CALL)" \n"
37 "bx lr \n");
38 }
39
psa_wait_svc(psa_signal_t signal_mask,uint32_t timeout)40 __naked psa_signal_t psa_wait_svc(psa_signal_t signal_mask, uint32_t timeout)
41 {
42 __asm volatile("svc "M2S(TFM_SVC_PSA_WAIT)" \n"
43 "bx lr \n");
44 }
45
psa_get_svc(psa_signal_t signal,psa_msg_t * msg)46 __naked psa_status_t psa_get_svc(psa_signal_t signal, psa_msg_t *msg)
47 {
48 __asm volatile("svc "M2S(TFM_SVC_PSA_GET)" \n"
49 "bx lr \n");
50 }
51
psa_read_svc(psa_handle_t msg_handle,uint32_t invec_idx,void * buffer,size_t num_bytes)52 __naked size_t psa_read_svc(psa_handle_t msg_handle, uint32_t invec_idx,
53 void *buffer, size_t num_bytes)
54 {
55 __asm volatile("svc "M2S(TFM_SVC_PSA_READ)" \n"
56 "bx lr \n");
57 }
58
psa_skip_svc(psa_handle_t msg_handle,uint32_t invec_idx,size_t num_bytes)59 __naked size_t psa_skip_svc(psa_handle_t msg_handle,
60 uint32_t invec_idx, size_t num_bytes)
61 {
62 __asm volatile("svc "M2S(TFM_SVC_PSA_SKIP)" \n"
63 "bx lr \n");
64 }
65
psa_write_svc(psa_handle_t msg_handle,uint32_t outvec_idx,const void * buffer,size_t num_bytes)66 __naked void psa_write_svc(psa_handle_t msg_handle, uint32_t outvec_idx,
67 const void *buffer, size_t num_bytes)
68 {
69 __asm volatile("svc "M2S(TFM_SVC_PSA_WRITE)" \n"
70 "bx lr \n");
71 }
72
psa_reply_svc(psa_handle_t msg_handle,psa_status_t retval)73 __naked void psa_reply_svc(psa_handle_t msg_handle, psa_status_t retval)
74 {
75 __asm volatile("svc "M2S(TFM_SVC_PSA_REPLY)" \n"
76 "bx lr \n");
77 }
78
79 #if CONFIG_TFM_DOORBELL_API == 1
psa_notify_svc(int32_t partition_id)80 __naked void psa_notify_svc(int32_t partition_id)
81 {
82 __asm volatile("svc "M2S(TFM_SVC_PSA_NOTIFY)" \n"
83 "bx lr \n");
84 }
85
psa_clear_svc(void)86 __naked void psa_clear_svc(void)
87 {
88 __asm volatile("svc "M2S(TFM_SVC_PSA_CLEAR)" \n"
89 "bx lr \n");
90 }
91 #endif /* CONFIG_TFM_DOORBELL_API == 1 */
92
psa_panic_svc(void)93 __naked void psa_panic_svc(void)
94 {
95 __asm volatile("svc "M2S(TFM_SVC_PSA_PANIC)" \n"
96 "bx lr \n");
97 }
98
psa_rot_lifecycle_state_svc(void)99 __naked uint32_t psa_rot_lifecycle_state_svc(void)
100 {
101 __asm volatile("svc "M2S(TFM_SVC_PSA_LIFECYCLE)" \n"
102 "bx lr \n");
103 }
104
105 /* Following PSA APIs are only needed by connection-based services */
106 #if CONFIG_TFM_CONNECTION_BASED_SERVICE_API == 1
107
psa_connect_svc(uint32_t sid,uint32_t version)108 __naked psa_handle_t psa_connect_svc(uint32_t sid, uint32_t version)
109 {
110 __asm volatile("svc "M2S(TFM_SVC_PSA_CONNECT)" \n"
111 "bx lr \n");
112 }
113
psa_close_svc(psa_handle_t handle)114 __naked void psa_close_svc(psa_handle_t handle)
115 {
116 __asm volatile("svc "M2S(TFM_SVC_PSA_CLOSE)" \n"
117 "bx lr \n");
118 }
119
psa_set_rhandle_svc(psa_handle_t msg_handle,void * rhandle)120 __naked void psa_set_rhandle_svc(psa_handle_t msg_handle, void *rhandle)
121 {
122 __asm volatile("svc "M2S(TFM_SVC_PSA_SET_RHANDLE)" \n"
123 "bx lr \n");
124 }
125
126 #endif /* CONFIG_TFM_CONNECTION_BASED_SERVICE_API */
127
128 #if CONFIG_TFM_FLIH_API == 1 || CONFIG_TFM_SLIH_API == 1
129
psa_irq_enable_svc(psa_signal_t irq_signal)130 __naked void psa_irq_enable_svc(psa_signal_t irq_signal)
131 {
132 __asm volatile("svc "M2S(TFM_SVC_PSA_IRQ_ENABLE)" \n"
133 "bx lr \n");
134 }
135
psa_irq_disable_svc(psa_signal_t irq_signal)136 __naked psa_irq_status_t psa_irq_disable_svc(psa_signal_t irq_signal)
137 {
138 __asm volatile("svc "M2S(TFM_SVC_PSA_IRQ_DISABLE)" \n"
139 "bx lr \n");
140 }
141
142 /* This API is only used for FLIH. */
143 #if CONFIG_TFM_FLIH_API == 1
psa_reset_signal_svc(psa_signal_t irq_signal)144 __naked void psa_reset_signal_svc(psa_signal_t irq_signal)
145 {
146 __asm volatile("svc "M2S(TFM_SVC_PSA_RESET_SIGNAL)" \n"
147 "bx lr \n");
148 }
149 #endif
150
151 /* This API is only used for SLIH. */
152 #if CONFIG_TFM_SLIH_API == 1
psa_eoi_svc(psa_signal_t irq_signal)153 __naked void psa_eoi_svc(psa_signal_t irq_signal)
154 {
155 __asm volatile("svc "M2S(TFM_SVC_PSA_EOI)" \n"
156 "bx lr \n");
157 }
158 #endif
159
160 #endif /* CONFIG_TFM_FLIH_API == 1 || CONFIG_TFM_SLIH_API == 1 */
161
162
163 const struct psa_api_tbl_t psa_api_svc = {
164 tfm_psa_call_pack_svc,
165 psa_version_svc,
166 psa_framework_version_svc,
167 psa_wait_svc,
168 psa_get_svc,
169 psa_read_svc,
170 psa_skip_svc,
171 psa_write_svc,
172 psa_reply_svc,
173 psa_panic_svc,
174 psa_rot_lifecycle_state_svc,
175 #if CONFIG_TFM_CONNECTION_BASED_SERVICE_API == 1
176 psa_connect_svc,
177 psa_close_svc,
178 psa_set_rhandle_svc,
179 #endif /* CONFIG_TFM_CONNECTION_BASED_SERVICE_API == 1 */
180 #if CONFIG_TFM_DOORBELL_API == 1
181 psa_notify_svc,
182 psa_clear_svc,
183 #endif /* CONFIG_TFM_DOORBELL_API == 1 */
184 #if CONFIG_TFM_FLIH_API == 1 || CONFIG_TFM_SLIH_API == 1
185 psa_irq_enable_svc,
186 psa_irq_disable_svc,
187 #if CONFIG_TFM_FLIH_API == 1
188 psa_reset_signal_svc,
189 #endif /* CONFIG_TFM_FLIH_API == 1 */
190 #if CONFIG_TFM_SLIH_API == 1
191 psa_eoi_svc,
192 #endif /* CONFIG_TFM_SLIH_API == 1 */
193 #endif /* CONFIG_TFM_FLIH_API == 1 || CONFIG_TFM_SLIH_API == 1 */
194 };
195
