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Kernel: Add ID_AA64ISAR0_EL1, Instruction Set Attribute Register 0

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konrad 2022-12-24 01:17:10 +01:00 • committed by Andreas Kling
parent fd3639ecba
commit d80d7744b6
1 changed files with 33 additions and 0 deletions
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33
Kernel/Arch/aarch64/Registers.h
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@ -1,6 +1,7 @@
/*
* Copyright (c) 2021, James Mintram <me@jamesrm.com>
* Copyright (c) 2021, Marcin Undak <mcinek@gmail.com>
* Copyright (c) 2022, Konrad <konrad@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
@ -13,6 +14,38 @@
namespace Kernel::Aarch64 {
// https://developer.arm.com/documentation/ddi0601/2022-09/AArch64-Registers/ID-AA64ISAR0-EL1--AArch64-Instruction-Set-Attribute-Register-0?lang=en
// ID_AA64ISAR0_EL1, AArch64 Instruction Set Attribute Register 0
struct alignas(u64) ID_AA64ISAR0_EL1 {
int : 4;
int AES : 4;
int SHA1 : 4;
int SHA2 : 4;
int CRC32 : 4;
int Atomic : 4;
int TME : 4;
int RDM : 4;
int SHA3 : 4;
int SM3 : 4;
int SM4 : 4;
int DP : 4;
int FHM : 4;
int TS : 4;
int TLB : 4;
int RNDR : 4;
static inline ID_AA64ISAR0_EL1 read()
{
ID_AA64ISAR0_EL1 feature_register;
asm("mrs %[value], ID_AA64ISAR0_EL1"
: [value] "=r"(feature_register));
return feature_register;
}
};
static_assert(sizeof(ID_AA64ISAR0_EL1) == 8);
// https://developer.arm.com/documentation/ddi0595/2021-06/AArch64-Registers/ID-AA64MMFR0-EL1--AArch64-Memory-Model-Feature-Register-0
// Memory Model Feature Register 0
struct alignas(u64) ID_AA64MMFR0_EL1 {