63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
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* Copyright (c) 2018, Arm Limited. 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 SPRT_SVC_H
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#define SPRT_SVC_H
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#include <smccc.h>
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#include <utils_def.h>
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/* SPRT_VERSION helpers */
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#define SPRT_VERSION_MAJOR U(0)
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#define SPRT_VERSION_MAJOR_SHIFT 16
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#define SPRT_VERSION_MAJOR_MASK U(0x7FFF)
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#define SPRT_VERSION_MINOR U(1)
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#define SPRT_VERSION_MINOR_SHIFT 0
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#define SPRT_VERSION_MINOR_MASK U(0xFFFF)
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#define SPRT_VERSION_FORM(major, minor) ((((major) & SPRT_VERSION_MAJOR_MASK) \
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<< SPRT_VERSION_MAJOR_SHIFT) | \
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((minor) & SPRT_VERSION_MINOR_MASK))
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#define SPRT_VERSION_COMPILED SPRT_VERSION_FORM(SPRT_VERSION_MAJOR, \
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SPRT_VERSION_MINOR)
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/* SPRT function IDs */
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#define SPRT_FID_VERSION U(0x0)
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#define SPRT_FID_PUT_RESPONSE U(0x1)
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#define SPRT_FID_YIELD U(0x5)
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#define SPRT_FID_PANIC U(0x7)
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#define SPRT_FID_MEMORY_PERM_ATTR_GET U(0xB)
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#define SPRT_FID_MEMORY_PERM_ATTR_SET U(0xC)
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#define SPRT_FID_MASK U(0xFF)
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/* Definitions to build the complete SMC ID */
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#define SPRT_SMC_64(sprt_fid) ((FUNCID_NAMESPACE_SPRT << FUNCID_NAMESPACE_SHIFT) | \
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(U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \
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(SMC_64 << FUNCID_CC_SHIFT))
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#define SPRT_SMC_32(sprt_fid) ((FUNCID_NAMESPACE_SPRT << FUNCID_NAMESPACE_SHIFT) | \
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(U(1) << 31) | ((sprt_fid) & SPRT_FID_MASK) | \
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(SMC_32 << FUNCID_CC_SHIFT))
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/* Complete SMC IDs */
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#define SPRT_VERSION SPRT_SMC_32(SPRT_FID_VERSION)
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#define SPRT_PUT_RESPONSE_AARCH64 SPRT_SMC_64(SPRT_FID_PUT_RESPONSE)
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#define SPRT_YIELD_AARCH64 SPRT_SMC_64(SPRT_FID_YIELD)
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#define SPRT_PANIC_AARCH64 SPRT_SMC_64(SPRT_FID_PANIC)
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#define SPRT_MEMORY_PERM_ATTR_GET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_GET)
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#define SPRT_MEMORY_PERM_ATTR_SET_AARCH64 SPRT_SMC_64(SPRT_FID_MEMORY_PERM_ATTR_SET)
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/* SPRT error codes. */
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#define SPRT_SUCCESS 0
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#define SPRT_NOT_SUPPORTED -1
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#define SPRT_INVALID_PARAMETER -2
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#endif /* SPRT_SVC_H */
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