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>

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_