148 lines
5.1 KiB
C
148 lines
5.1 KiB
C
/*
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* Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Copyright (c) 2014, Linaro Limited. All rights reserved. */
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#ifndef TEESMC_OPTEED_H
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#define TEESMC_OPTEED_H
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/*
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* This file specify SMC function IDs used when returning from TEE to the
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* secure monitor.
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*
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* All SMC Function IDs indicates SMC32 Calling Convention but will carry
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* full 64 bit values in the argument registers if invoked from Aarch64
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* mode. This violates the SMC Calling Convention, but since this
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* convention only coveres API towards Normwal World it's something that
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* only concerns the OP-TEE Dispatcher in ARM Trusted Firmware and OP-TEE
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* OS at Secure EL1.
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*/
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/*
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* Issued when returning from initial entry.
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_ENTRY_DONE
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* r1/x1 Pointer to entry vector
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_ENTRY_DONE 0
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#define TEESMC_OPTEED_RETURN_ENTRY_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_ENTRY_DONE)
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/*
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* Issued when returning from "cpu_on" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_ON_DONE
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* r1/x1 0 on success and anything else to indicate error condition
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_ON_DONE 1
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#define TEESMC_OPTEED_RETURN_ON_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_ON_DONE)
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/*
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* Issued when returning from "cpu_off" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_OFF_DONE
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* r1/x1 0 on success and anything else to indicate error condition
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_OFF_DONE 2
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#define TEESMC_OPTEED_RETURN_OFF_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_OFF_DONE)
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/*
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* Issued when returning from "cpu_suspend" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_SUSPEND_DONE
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* r1/x1 0 on success and anything else to indicate error condition
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_SUSPEND_DONE 3
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#define TEESMC_OPTEED_RETURN_SUSPEND_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_SUSPEND_DONE)
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/*
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* Issued when returning from "cpu_resume" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_RESUME_DONE
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* r1/x1 0 on success and anything else to indicate error condition
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_RESUME_DONE 4
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#define TEESMC_OPTEED_RETURN_RESUME_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_RESUME_DONE)
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/*
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* Issued when returning from "std_smc" or "fast_smc" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_CALL_DONE
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* r1-4/x1-4 Return value 0-3 which will passed to normal world in
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* r0-3/x0-3
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_CALL_DONE 5
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#define TEESMC_OPTEED_RETURN_CALL_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_CALL_DONE)
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/*
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* Issued when returning from "fiq" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_FIQ_DONE
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_FIQ_DONE 6
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#define TEESMC_OPTEED_RETURN_FIQ_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_FIQ_DONE)
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/*
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* Issued when returning from "system_off" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_SYSTEM_OFF_DONE
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_SYSTEM_OFF_DONE 7
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#define TEESMC_OPTEED_RETURN_SYSTEM_OFF_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_SYSTEM_OFF_DONE)
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/*
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* Issued when returning from "system_reset" vector
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*
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* Register usage:
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* r0/x0 SMC Function ID, TEESMC_OPTEED_RETURN_SYSTEM_RESET_DONE
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*/
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#define TEESMC_OPTEED_FUNCID_RETURN_SYSTEM_RESET_DONE 8
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#define TEESMC_OPTEED_RETURN_SYSTEM_RESET_DONE \
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TEESMC_OPTEED_RV(TEESMC_OPTEED_FUNCID_RETURN_SYSTEM_RESET_DONE)
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#endif /*TEESMC_OPTEED_H*/
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