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89 lines
2.5 KiB
89 lines
2.5 KiB
5 years ago
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/*
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* Copyright (c) 2017-2019, 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 SPM_MM_SVC_H
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#define SPM_MM_SVC_H
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#include <lib/utils_def.h>
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#define SPM_MM_VERSION_MAJOR U(0)
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#define SPM_MM_VERSION_MAJOR_SHIFT 16
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#define SPM_MM_VERSION_MAJOR_MASK U(0x7FFF)
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#define SPM_MM_VERSION_MINOR U(1)
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#define SPM_MM_VERSION_MINOR_SHIFT 0
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#define SPM_MM_VERSION_MINOR_MASK U(0xFFFF)
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#define SPM_MM_VERSION_FORM(major, minor) ((major << \
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SPM_MM_VERSION_MAJOR_SHIFT) | \
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(minor))
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#define SPM_MM_VERSION_COMPILED SPM_MM_VERSION_FORM(SPM_MM_VERSION_MAJOR, \
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SPM_MM_VERSION_MINOR)
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/* These macros are used to identify SPM-MM calls using the SMC function ID */
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#define SPM_MM_FID_MASK U(0xffff)
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#define SPM_MM_FID_MIN_VALUE U(0x40)
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#define SPM_MM_FID_MAX_VALUE U(0x7f)
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#define is_spm_mm_fid(_fid) \
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((((_fid) & SPM_MM_FID_MASK) >= SPM_MM_FID_MIN_VALUE) && \
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(((_fid) & SPM_MM_FID_MASK) <= SPM_MM_FID_MAX_VALUE))
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/*
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* SMC IDs defined for accessing services implemented by the Secure Partition
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* Manager from the Secure Partition(s). These services enable a partition to
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* handle delegated events and request privileged operations from the manager.
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* They occupy the range 0x60-0x7f.
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*/
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#define SPM_MM_VERSION_AARCH32 U(0x84000060)
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#define MM_SP_EVENT_COMPLETE_AARCH64 U(0xC4000061)
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#define MM_SP_MEMORY_ATTRIBUTES_GET_AARCH64 U(0xC4000064)
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#define MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64 U(0xC4000065)
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/*
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* Macros used by MM_SP_MEMORY_ATTRIBUTES_SET_AARCH64.
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*/
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#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_NOACCESS U(0)
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#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_RW U(1)
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/* Value U(2) is reserved. */
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#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_RO U(3)
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#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_MASK U(3)
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#define MM_SP_MEMORY_ATTRIBUTES_ACCESS_SHIFT 0
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#define MM_SP_MEMORY_ATTRIBUTES_EXEC (U(0) << 2)
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#define MM_SP_MEMORY_ATTRIBUTES_NON_EXEC (U(1) << 2)
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/* SPM error codes. */
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#define SPM_MM_SUCCESS 0
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#define SPM_MM_NOT_SUPPORTED -1
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#define SPM_MM_INVALID_PARAMETER -2
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#define SPM_MM_DENIED -3
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#define SPM_MM_NO_MEMORY -5
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#ifndef __ASSEMBLER__
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#include <stdint.h>
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int32_t spm_mm_setup(void);
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uint64_t spm_mm_smc_handler(uint32_t smc_fid,
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uint64_t x1,
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uint64_t x2,
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uint64_t x3,
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uint64_t x4,
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void *cookie,
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void *handle,
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uint64_t flags);
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/* Helper to enter a secure partition */
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uint64_t spm_mm_sp_call(uint32_t smc_fid,
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uint64_t x1,
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uint64_t x2,
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uint64_t x3);
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#endif /* __ASSEMBLER__ */
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#endif /* SPM_MM_SVC_H */
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