mirror of
https://github.com/tianocore/edk2
synced 2026-08-27 00:23:19 -04:00
87148bcc25
Per https://edk2.groups.io/g/devel/topic/move_armlib_to_baselib/118541649, this commit moves ArmLib to MdePkg and updates all consumers. The only change to ArmLib itself is to remove ArmPkg.dec from the inf. Continuous-integration-options: PatchCheck.ignore-multi-package Signed-off-by: Oliver Smith-Denny <osde@microsoft.com>
87 lines
1.2 KiB
C
87 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>
|
|
|
|
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;
|
|
}
|