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2f88bd3a12
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
43 lines
811 B
C
43 lines
811 B
C
/** @file
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Random number generator service that uses the RNDR instruction
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to provide pseudorandom numbers.
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Copyright (c) 2021, NUVIA Inc. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef ARM_RNG_H_
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#define ARM_RNG_H_
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/**
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Generates a random number using RNDR.
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Returns TRUE on success; FALSE on failure.
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@param[out] Rand Buffer pointer to store the 64-bit random value.
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@retval TRUE Random number generated successfully.
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@retval FALSE Failed to generate the random number.
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**/
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BOOLEAN
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EFIAPI
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ArmRndr (
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OUT UINT64 *Rand
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);
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/**
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Reads the ID_AA64ISAR0 Register.
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@return The contents of the ID_AA64ISAR0 register.
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**/
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UINT64
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EFIAPI
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ArmReadIdIsar0 (
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VOID
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);
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#endif /* ARM_RNG_H_ */
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