Files
system76-edk2/UefiCpuPkg/Include/Library/CpuMmuLib.h
Chao Li 78e5019071 UefiCpuPkg: Add CpuMmuLib.h to UefiCpuPkg
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>
2024-04-16 06:00:32 +00:00

42 lines
1.5 KiB
C

/** @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_