tyler.durden/audk
1
0
Fork 0
mirror of https://github.com/acidanthera/audk.git synced 2025-04-08 17:05:09 +02:00
Code Issues Packages Projects Releases Wiki Activity

UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg

Browse Source 
Add a new header file CpuMmuLib.h, whitch is referenced from
ArmPkg/Include/Library/ArmMmuLib.h. Currently, only support for
LoongArch64 is added, and more architectures can be accommodated in the
future.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4734

Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Leif Lindholm <quic_llindhol@quicinc.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Sami Mujawar <sami.mujawar@arm.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>
Cc: Andrei Warkentin <andrei.warkentin@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Chao Li 2024-04-11 16:10:26 +08:00 committed by mergify[bot]
parent 7750468c37
commit 78e5019071
2 changed files with 45 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
UefiCpuPkg/Include/Library/CpuMmuLib.h Normal file
View File

@ -0,0 +1,41 @@
/** @file
Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef CPU_MMU_LIB_H_
#define CPU_MMU_LIB_H_
#include <Uefi/UefiBaseType.h>
/**
Maps the memory region in the page table to the specified attributes.
@param[in, out] PageTable The pointer to the page table to update, or pointer to NULL
if a new page table is to be created.
@param[in] PageWalkCfg The page walk controller configure.
@param[in] BaseAddress The base address of the memory region to set the Attributes.
@param[in] Length The length of the memory region to set the Attributes.
@param[in] Attributes The bitmask of attributes to set, which refer to UEFI SPEC
7.2.3(EFI_BOOT_SERVICES.GetMemoryMap()).
@param[in] AttributeMask Mask of memory attributes to take into account.
@retval EFI_SUCCESS The Attributes was set successfully or Length is 0.
@retval EFI_INVALID_PARAMETER PageTable is NULL.
@retval EFI_UNSUPPORTED *PageTable is NULL.
**/
EFI_STATUS
EFIAPI
MemoryRegionMap (
IN OUT UINTN *PageTable OPTIONAL,
IN UINT64 PageWalkCfg,
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN UINT64 Attributes,
IN UINT64 AttributeMask
);
#endif // CPU_MMU_LIB_H_

4
UefiCpuPkg/UefiCpuPkg.dec
View File

@ -72,6 +72,10 @@
##
RiscVMmuLib|Include/Library/BaseRiscVMmuLib.h
[LibraryClasses.LoongArch64]
## @libraryclass Provides functions for the memory management unit.
CpuMmuLib|Include/Library/CpuMmuLib.h
[Guids]
gUefiCpuPkgTokenSpaceGuid = { 0xac05bf33, 0x995a, 0x4ed4, { 0xaa, 0xb8, 0xef, 0x7a, 0xe8, 0xf, 0x5c, 0xb0 }}
gMsegSmramGuid = { 0x5802bce4, 0xeeee, 0x4e33, { 0xa1, 0x30, 0xeb, 0xad, 0x27, 0xf0, 0xe4, 0x39 }}