diff options
| -rw-r--r-- | UefiCpuPkg/Include/Library/CpuMmuLib.h | 41 | ||||
| -rw-r--r-- | UefiCpuPkg/UefiCpuPkg.dec | 4 |
2 files changed, 45 insertions, 0 deletions
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 @@ ##
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 }}
|