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ArmPkg/CpuDxe: remove VirtualUncachedPages protocol and implementation

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Virtual uncached pages are simply pages that are aliased using mismatched
attributes, which is not allowed by the ARM architecture. So remove the
protocol and its implementation.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This commit is contained in:
Ard Biesheuvel
2017-02-23 14:43:49 +00:00
parent a76d0e88c3
commit fc7bd8939d
6 changed files with 0 additions and 138 deletions
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60
ArmPkg/Include/Protocol/VirtualUncachedPages.h
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@@ -1,60 +0,0 @@
/** @file
Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __VIRTUAL_UNCACHED_PAGES_ROTOCOL_H__
#define __VIRTUAL_UNCACHED_PAGES_ROTOCOL_H__
//
// Protocol GUID
//
#define VIRTUAL_UNCACHED_PAGES_PROTOCOL_GUID { 0xAD651C7D, 0x3C22, 0x4DBF, { 0x92, 0xe8, 0x38, 0xa7, 0xcd, 0xae, 0x87, 0xb2 } }
//
// Protocol interface structure
//
typedef struct _VIRTUAL_UNCACHED_PAGES_PROTOCOL VIRTUAL_UNCACHED_PAGES_PROTOCOL;
typedef
EFI_STATUS
(EFIAPI *CONVERT_PAGES_TO_UNCACHED_VIRTUAL_ADDRESS) (
IN VIRTUAL_UNCACHED_PAGES_PROTOCOL *This,
IN EFI_PHYSICAL_ADDRESS Address,
IN UINTN Length,
IN EFI_PHYSICAL_ADDRESS VirtualMask,
OUT UINT64 *Attributes OPTIONAL
);
typedef
EFI_STATUS
(EFIAPI *FREE_CONVERTED_PAGES) (
IN VIRTUAL_UNCACHED_PAGES_PROTOCOL *This,
IN EFI_PHYSICAL_ADDRESS Address,
IN UINTN Length,
IN EFI_PHYSICAL_ADDRESS VirtualMask,
IN UINT64 Attributes
);
struct _VIRTUAL_UNCACHED_PAGES_PROTOCOL {
CONVERT_PAGES_TO_UNCACHED_VIRTUAL_ADDRESS ConvertPages;
FREE_CONVERTED_PAGES RevertPages;
};
extern EFI_GUID gVirtualUncachedPagesProtocolGuid;
#endif