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...@intel.com> Cc: Rahul Kumar <rahul1.ku...@intel.com> Cc: Gerd Hoffmann <kra...@redhat.com> Cc: Leif Lindholm <quic_llind...@quicinc.com> Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org> Cc: Sami Mujawar <sami.muja...@arm.com> Cc: Sunil V L <suni...@ventanamicro.com> Cc: Andrei Warkentin <andrei.warken...@intel.com> Signed-off-by: Chao Li <lic...@loongson.cn> Acked-by: Gerd Hoffmann <kra...@redhat.com> --- UefiCpuPkg/Include/Library/CpuMmuLib.h | 41 ++++++++++++++++++++++++++ UefiCpuPkg/UefiCpuPkg.dec | 4 +++ 2 files changed, 45 insertions(+) create mode 100644 UefiCpuPkg/Include/Library/CpuMmuLib.h diff --git a/UefiCpuPkg/Include/Library/CpuMmuLib.h b/UefiCpuPkg/Include/Library/CpuMmuLib.h new file mode 100644 index 0000000000..e6cfbd5168 --- /dev/null +++ b/UefiCpuPkg/Include/Library/CpuMmuLib.h @@ -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_ diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec index 571b59b36f..ca744fab55 100644 --- a/UefiCpuPkg/UefiCpuPkg.dec +++ b/UefiCpuPkg/UefiCpuPkg.dec @@ -72,6 +72,10 @@ [LibraryClasses.RISCV64] ## 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 }} -- 2.27.0 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#117654): https://edk2.groups.io/g/devel/message/117654 Mute This Topic: https://groups.io/mt/105478496/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
