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https://github.com/ARM-software/arm-trusted-firmware.git
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4c700c1563
Align entire TF-A to use Arm in copyright header. Change-Id: Ief9992169efdab61d0da6bd8c5180de7a4bc2244 Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
/*
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* Copyright (c) 2016-2020, 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 PMF_H
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#define PMF_H
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#include <lib/cassert.h>
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#include <lib/pmf/pmf_helpers.h>
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#include <lib/utils_def.h>
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/*
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* Constants used for/by PMF services.
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*/
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#define PMF_ARM_TIF_IMPL_ID UL(0x41)
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#define PMF_TID_SHIFT 0
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#define PMF_TID_MASK (UL(0xFF) << PMF_TID_SHIFT)
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#define PMF_SVC_ID_SHIFT 10
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#define PMF_SVC_ID_MASK (UL(0x3F) << PMF_SVC_ID_SHIFT)
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#define PMF_IMPL_ID_SHIFT 24
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#define PMF_IMPL_ID_MASK (UL(0xFF) << PMF_IMPL_ID_SHIFT)
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/*
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* Flags passed to PMF_REGISTER_SERVICE
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*/
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#define PMF_STORE_ENABLE (1 << 0)
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#define PMF_DUMP_ENABLE (1 << 1)
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/*
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* Flags passed to PMF_GET_TIMESTAMP_XXX
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* and PMF_CAPTURE_TIMESTAMP
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*/
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#define PMF_CACHE_MAINT (U(1) << 0)
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#define PMF_NO_CACHE_MAINT U(0)
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/*
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* Defines for PMF SMC function ids.
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*/
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#define PMF_SMC_GET_TIMESTAMP_32 U(0x82000010)
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#define PMF_SMC_GET_TIMESTAMP_64 U(0xC2000010)
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#define PMF_NUM_SMC_CALLS 2
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/*
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* The macros below are used to identify
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* PMF calls from the SMC function ID.
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*/
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#define PMF_FID_MASK U(0xffe0)
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#define PMF_FID_VALUE U(0)
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#define is_pmf_fid(_fid) (((_fid) & PMF_FID_MASK) == PMF_FID_VALUE)
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/* Following are the supported PMF service IDs */
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#define PMF_PSCI_STAT_SVC_ID 0
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#define PMF_RT_INSTR_SVC_ID 1
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/*******************************************************************************
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* Function & variable prototypes
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******************************************************************************/
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/* PMF common functions */
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int pmf_get_timestamp_smc(unsigned int tid,
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u_register_t mpidr,
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unsigned int flags,
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unsigned long long *ts_value);
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int pmf_setup(void);
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uintptr_t pmf_smc_handler(unsigned int smc_fid,
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u_register_t x1,
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u_register_t x2,
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u_register_t x3,
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u_register_t x4,
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void *cookie,
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void *handle,
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u_register_t flags);
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#endif /* PMF_H */
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