This file provide the CPU MMU configure and initialize interface, it will consumes by CpuMmuLib to configure or initialize the MMU.
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4584 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> --- UefiCpuPkg/Include/Library/CpuMmuInitLib.h | 34 ++++++++++++++++++++++ UefiCpuPkg/UefiCpuPkg.dec | 3 ++ 2 files changed, 37 insertions(+) create mode 100644 UefiCpuPkg/Include/Library/CpuMmuInitLib.h diff --git a/UefiCpuPkg/Include/Library/CpuMmuInitLib.h b/UefiCpuPkg/Include/Library/CpuMmuInitLib.h new file mode 100644 index 0000000000..848050d056 --- /dev/null +++ b/UefiCpuPkg/Include/Library/CpuMmuInitLib.h @@ -0,0 +1,34 @@ +/** @file + + Copyright (c) 2024 Loongson Technology Corporation Limited. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef CPU_MMU_INIT_LIB_H_ +#define CPU_MMU_INIT_LIB_H_ + +#include <Uefi/UefiBaseType.h> +#include <Uefi/UefiSpec.h> + +/** + Create a page table and initialize the memory management unit(MMU). + + @param[in] MemoryTable A pointer to a memory ragion table. + @param[out] TranslationTableBase A pointer to a translation table base address. + @param[out] TranslationTableSize A pointer to a translation table base size. + + @retval EFI_SUCCESS Configure MMU successfully. + EFI_INVALID_PARAMETER MemoryTable is NULL. + EFI_UNSUPPORTED Out of memory space or size not aligned. +**/ +EFI_STATUS +EFIAPI +ConfigureMemoryManagementUnit ( + IN EFI_MEMORY_DESCRIPTOR *MemoryTable, + OUT VOID **TranslationTableBase OPTIONAL, + OUT UINTN *TranslationTableSize OPTIONAL + ); + +#endif // CPU_MMU_INIT_LIB_H_ diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec index b27cf88aee..ff5ef5bb00 100644 --- a/UefiCpuPkg/UefiCpuPkg.dec +++ b/UefiCpuPkg/UefiCpuPkg.dec @@ -77,6 +77,9 @@ [LibraryClasses.LoongArch64] ## @libraryclass Provides functions for the memory management unit. CpuMmuLib|Include/Library/CpuMmuLib.h + ## @libraryclass Provides functions for Initialize the memory management unit. + CpuMmuInitLib|Include/Library/CpuMmuInitLib.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 (#116594): https://edk2.groups.io/g/devel/message/116594 Mute This Topic: https://groups.io/mt/104859882/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
