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Last change
on this file since 108793 was 99464, checked in by vboxsync, 2 years ago |
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Devices/EFI/Firmware: Restore ArmPkg, ArmVirtPkg, ArmPlatformPkg in order to be able to build Aarch64 and Aarch32 firmware images for the virt platform, bugref:10400
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Property svn:eol-style
set to
native
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File size:
1.1 KB
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| 1 | /** @file
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| 2 |
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| 3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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| 4 | Copyright (c) 2011 - 2021, ARM Ltd. All rights reserved.<BR>
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| 5 |
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| 6 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 7 |
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| 8 | **/
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| 9 |
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| 10 | #include <Base.h>
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| 11 |
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| 12 | #include <Library/ArmLib.h>
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| 13 |
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| 14 | #include "ArmLibPrivate.h"
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| 15 |
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| 16 | VOID
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| 17 | EFIAPI
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| 18 | ArmSetAuxCrBit (
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| 19 | IN UINT32 Bits
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| 20 | )
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| 21 | {
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| 22 | ArmWriteAuxCr (ArmReadAuxCr () | Bits);
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| 23 | }
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| 24 |
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| 25 | VOID
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| 26 | EFIAPI
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| 27 | ArmUnsetAuxCrBit (
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| 28 | IN UINT32 Bits
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| 29 | )
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| 30 | {
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| 31 | ArmWriteAuxCr (ArmReadAuxCr () & ~Bits);
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| 32 | }
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| 33 |
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| 34 | //
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| 35 | // Helper functions for accessing CPUACTLR
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| 36 | //
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| 37 |
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| 38 | VOID
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| 39 | EFIAPI
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| 40 | ArmSetCpuActlrBit (
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| 41 | IN UINTN Bits
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| 42 | )
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| 43 | {
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| 44 | ArmWriteCpuActlr (ArmReadCpuActlr () | Bits);
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| 45 | }
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| 46 |
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| 47 | VOID
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| 48 | EFIAPI
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| 49 | ArmUnsetCpuActlrBit (
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| 50 | IN UINTN Bits
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| 51 | )
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| 52 | {
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| 53 | ArmWriteCpuActlr (ArmReadCpuActlr () & ~Bits);
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| 54 | }
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| 55 |
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| 56 | UINTN
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| 57 | EFIAPI
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| 58 | ArmDataCacheLineLength (
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| 59 | VOID
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| 60 | )
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| 61 | {
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| 62 | return 4 << ((ArmCacheInfo () >> 16) & 0xf); // CTR_EL0.DminLine
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| 63 | }
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| 64 |
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| 65 | UINTN
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| 66 | EFIAPI
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| 67 | ArmInstructionCacheLineLength (
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| 68 | VOID
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| 69 | )
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| 70 | {
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| 71 | return 4 << (ArmCacheInfo () & 0xf); // CTR_EL0.IminLine
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| 72 | }
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| 73 |
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| 74 | UINTN
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| 75 | EFIAPI
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| 76 | ArmCacheWritebackGranule (
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| 77 | VOID
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| 78 | )
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| 79 | {
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| 80 | UINTN CWG;
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| 81 |
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| 82 | CWG = (ArmCacheInfo () >> 24) & 0xf; // CTR_EL0.CWG
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| 83 |
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| 84 | if (CWG == 0) {
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| 85 | return SIZE_2KB;
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| 86 | }
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| 87 |
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| 88 | return 4 << CWG;
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| 89 | }
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