CpuMmuLib.h File Reference

#include <Uefi/UefiBaseType.h>

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Functions
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)

Detailed Description

Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file CpuMmuLib.h.

Function Documentation

MemoryRegionMap()

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
	)

Maps the memory region in the page table to the specified attributes.

Parameters

[in,out]	PageTable	The pointer to the page table to update, or pointer to NULL if a new page table is to be created.
[in]	PageWalkCfg	The page walk controller configure.
[in]	BaseAddress	The base address of the memory region to set the Attributes.
[in]	Length	The length of the memory region to set the Attributes.
[in]	Attributes	The bitmask of attributes to set, which refer to UEFI SPEC 7.2.3(EFI_BOOT_SERVICES.GetMemoryMap()).
[in]	AttributeMask	Mask of memory attributes to take into account.

Return values

EFI_SUCCESS	The Attributes was set successfully or Length is 0.
EFI_INVALID_PARAMETER	PageTable is NULL.
EFI_UNSUPPORTED	*PageTable is NULL.

Maps the memory region in the page table to the specified attributes.

Parameters

[in,out]	PageTable	The pointer to the page table to update, or pointer to NULL if a new page table is to be created.
[in]	PageWalkCfg	The page walk controller configure.
[in]	BaseAddress	The base address of the memory region to set the Attributes.
[in]	Length	The length of the memory region to set the Attributes.
[in]	Attributes	The bitmask of attributes to set, which refer to UEFI SPEC 7.2.3(EFI_BOOT_SERVICES.GetMemoryMap()).
[in]	AttributeMask	Mask of memory attributes to take into account.

Return values

EFI_SUCCESS	The Attributes was set successfully or Length is 0.
EFI_INVALID_PARAMETER	PageTable is NULL, PageWalkCfg is invalid.
EFI_UNSUPPORTED	*PageTable is NULL.

Definition at line 694 of file CpuMmu.c.