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78 lines
2.4 KiB
78 lines
2.4 KiB
/*
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* Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef SMCCC_V1_H
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#define SMCCC_V1_H
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#ifndef __SMCCC_H__
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#error "This file must only be included from smccc.h"
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#endif
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/*******************************************************************************
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* Bit definitions inside the function id as per the SMC calling convention
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******************************************************************************/
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#define FUNCID_TYPE_SHIFT U(31)
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#define FUNCID_TYPE_MASK U(0x1)
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#define FUNCID_TYPE_WIDTH U(1)
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#define FUNCID_CC_SHIFT U(30)
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#define FUNCID_CC_MASK U(0x1)
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#define FUNCID_CC_WIDTH U(1)
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#define FUNCID_OEN_SHIFT U(24)
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#define FUNCID_OEN_MASK U(0x3f)
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#define FUNCID_OEN_WIDTH U(6)
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#define FUNCID_NUM_SHIFT U(0)
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#define FUNCID_NUM_MASK U(0xffff)
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#define FUNCID_NUM_WIDTH U(16)
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#define GET_SMC_TYPE(id) (((id) >> FUNCID_TYPE_SHIFT) & \
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FUNCID_TYPE_MASK)
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#define GET_SMC_CC(id) (((id) >> FUNCID_CC_SHIFT) & \
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FUNCID_CC_MASK)
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#define GET_SMC_OEN(id) (((id) >> FUNCID_OEN_SHIFT) & \
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FUNCID_OEN_MASK)
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/*******************************************************************************
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* Owning entity number definitions inside the function id as per the SMC
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* calling convention
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******************************************************************************/
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#define OEN_ARM_START U(0)
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#define OEN_ARM_END U(0)
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#define OEN_CPU_START U(1)
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#define OEN_CPU_END U(1)
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#define OEN_SIP_START U(2)
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#define OEN_SIP_END U(2)
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#define OEN_OEM_START U(3)
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#define OEN_OEM_END U(3)
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#define OEN_STD_START U(4) /* Standard Service Calls */
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#define OEN_STD_END U(4)
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#define OEN_STD_HYP_START U(5) /* Standard Hypervisor Service calls */
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#define OEN_STD_HYP_END U(5)
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#define OEN_VEN_HYP_START U(6) /* Vendor Hypervisor Service calls */
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#define OEN_VEN_HYP_END U(6)
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#define OEN_TAP_START U(48) /* Trusted Applications */
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#define OEN_TAP_END U(49)
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#define OEN_TOS_START U(50) /* Trusted OS */
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#define OEN_TOS_END U(63)
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#define OEN_LIMIT U(64)
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/* Flags and error codes */
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#define SMC_64 U(1)
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#define SMC_32 U(0)
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#define SMC_TYPE_FAST ULL(1)
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#if !ERROR_DEPRECATED
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#define SMC_TYPE_STD ULL(0)
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#endif
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#define SMC_TYPE_YIELD ULL(0)
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#define SMC_OK ULL(0)
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#define SMC_UNK -1
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#define SMC_PREEMPTED -2 /* Not defined by the SMCCC */
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#endif /* SMCCC_V1_H */
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