mirror of
https://github.com/acidanthera/audk.git
synced 2025-08-18 16:18:12 +02:00
b689c387e2
Update function implementation to match interface definition. The return should be bound to 0xffff0000, which is guaranteed to be a UINT32. Cc: Leif Lindholm <quic_llindhol@quicinc.com> Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Sami Mujawar <sami.mujawar@arm.com> Signed-off-by: Kun Qin <kun.qin@microsoft.com>
90 lines
1.2 KiB
C
90 lines
1.2 KiB
C
/** @file
|
|
|
|
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
|
|
Copyright (c) 2011 - 2021, ARM Ltd. All rights reserved.<BR>
|
|
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <Base.h>
|
|
|
|
#include <Library/ArmLib.h>
|
|
|
|
#include "ArmLibPrivate.h"
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmSetAuxCrBit (
|
|
IN UINT32 Bits
|
|
)
|
|
{
|
|
ArmWriteAuxCr (ArmReadAuxCr () | Bits);
|
|
}
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmUnsetAuxCrBit (
|
|
IN UINT32 Bits
|
|
)
|
|
{
|
|
ArmWriteAuxCr (ArmReadAuxCr () & ~Bits);
|
|
}
|
|
|
|
//
|
|
// Helper functions for accessing CPUACTLR
|
|
//
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmSetCpuActlrBit (
|
|
IN UINTN Bits
|
|
)
|
|
{
|
|
ArmWriteCpuActlr (ArmReadCpuActlr () | Bits);
|
|
}
|
|
|
|
VOID
|
|
EFIAPI
|
|
ArmUnsetCpuActlrBit (
|
|
IN UINTN Bits
|
|
)
|
|
{
|
|
ArmWriteCpuActlr (ArmReadCpuActlr () & ~Bits);
|
|
}
|
|
|
|
UINTN
|
|
EFIAPI
|
|
ArmDataCacheLineLength (
|
|
VOID
|
|
)
|
|
{
|
|
return 4 << ((ArmCacheInfo () >> 16) & 0xf); // CTR_EL0.DminLine
|
|
}
|
|
|
|
UINTN
|
|
EFIAPI
|
|
ArmInstructionCacheLineLength (
|
|
VOID
|
|
)
|
|
{
|
|
return 4 << (ArmCacheInfo () & 0xf); // CTR_EL0.IminLine
|
|
}
|
|
|
|
UINT32
|
|
EFIAPI
|
|
ArmCacheWritebackGranule (
|
|
VOID
|
|
)
|
|
{
|
|
UINT32 CWG;
|
|
|
|
CWG = (UINT32)((ArmCacheInfo () >> 24) & 0xf); // CTR_EL0.CWG
|
|
|
|
if (CWG == 0) {
|
|
return SIZE_2KB;
|
|
}
|
|
|
|
return 4 << CWG;
|
|
}
|