mirror of
https://github.com/openharmony/tee_tee_os_framework.git
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l00645337
84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/*
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* Copyright (C) 2022 Huawei Technologies Co., Ltd.
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* Licensed under the Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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#ifndef TEED_TEE_H
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#define TEED_TEE_H
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/*
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* SMC function IDs that TEE uses to signal various forms of completions
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* to the secure payload dispatcher.
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*/
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#define TEE_ENTRY_DONE 0xf2000000
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#define TEE_ON_DONE 0xf2000001
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#define TEE_OFF_DONE 0xf2000002
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#define TEE_SUSPEND_DONE 0xf2000003
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#define TEE_RESUME_DONE 0xf2000004
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#define TEE_PREEMPTED 0xf2000005
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#define TEE_ABORT_DONE 0xf2000007
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#define TEE_SYSTEM_OFF_DONE 0xf2000008
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#define TEE_SYSTEM_RESET_DONE 0xf2000009
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/*
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* Function identifiers to handle S-EL1 interrupt through the synchronous
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* handling model. If the TEE was previously interrupted then control has to
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* be returned to the TEED after handling the interrupt else execution can
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* remain in the TEE.
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*/
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#define TEE_HANDLED_S_EL1_INTR 0xf2000006
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/* SMC function ID that TEE uses to request service from secure monitor */
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#define TEE_GET_ARGS 0xf2001000
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/*
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* Identifiers for various TEE services. Corresponding function IDs (whether
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* fast or yielding) are generated by macros defined below
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*/
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#define TEE_ADD 0x2000
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#define TEE_SUB 0x2001
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#define TEE_MUL 0x2002
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#define TEE_DIV 0x2003
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#define TEE_HANDLE_SEL1_INTR_AND_RETURN 0x2004
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/*
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* Identify a TEE service from function ID filtering the last 16 bits from the
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* SMC function ID
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*/
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#define TEE_BARE_FID(fid) ((fid) & 0xffffu)
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/*
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* Generate function IDs for TEE services to be used in SMC calls, by
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* appropriately setting bit 31 to differentiate yielding and fast SMC calls
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*/
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#define TEE_YIELD_FID(fid) ((TEE_BARE_FID(fid) | 0x72000000u))
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#define TEE_FAST_FID(fid) ((TEE_BARE_FID(fid) | 0x72000000u) | (1u << 31))
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/* SMC function ID to request a previously preempted yielding smc */
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#define TEE_FID_RESUME TEE_YIELD_FID(0x3000u)
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/*
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* SMC function ID to request abortion of a previously preempted yielding SMC. A
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* fast SMC is used so that the TEE abort handler does not have to be
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* reentrant.
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*/
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#define TEE_FID_ABORT TEE_FAST_FID(0x3001u)
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/*
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* Total number of function IDs implemented for services offered to NS clients.
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* The function IDs are defined above
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*/
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#define TEE_NUM_FID 0x5
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/* TEE implementation version numbers */
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#define TEE_VERSION_MAJOR 0x0 /* Major version */
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#define TEE_VERSION_MINOR 0x1 /* Minor version */
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#endif /* TEE_H */
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