Revert "UefiCpuPkg: Has APs in 64 bit long-mode before booting to OS."

[mirror_edk2.git] / UefiCpuPkg / Library / MpInitLib / X64 / CreatePageTable.c

diff --git a/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c b/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c
deleted file mode 100644 (file)
index 548ef3f..0000000
--- a/UefiCpuPkg/Library/MpInitLib/X64/CreatePageTable.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/** @file\r
-  Function to create page talbe.\r
-  Only create page table for x64, and leave the CreatePageTable empty for Ia32.\r
-\r
-  Copyright (c) 2022, Intel Corporation. All rights reserved.<BR>\r
-  SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-#include <Library/CpuPageTableLib.h>\r
-#include <Library/MemoryAllocationLib.h>\r
-#include <Base.h>\r
-#include <Library/BaseMemoryLib.h>\r
-#include <Library/DebugLib.h>\r
-\r
-/**\r
-  Create 1:1 mapping page table in reserved memory to map the specified address range.\r
-\r
-  @param[in]      LinearAddress  The start of the linear address range.\r
-  @param[in]      Length         The length of the linear address range.\r
-\r
-  @return The page table to be created.\r
-**/\r
-UINTN\r
-CreatePageTable (\r
-  IN UINTN  Address,\r
-  IN UINTN  Length\r
-  )\r
-{\r
-  EFI_STATUS  Status;\r
-  VOID        *PageTableBuffer;\r
-  UINTN       PageTableBufferSize;\r
-  UINTN       PageTable;\r
-\r
-  IA32_MAP_ATTRIBUTE  MapAttribute;\r
-  IA32_MAP_ATTRIBUTE  MapMask;\r
-\r
-  MapAttribute.Uint64         = Address;\r
-  MapAttribute.Bits.Present   = 1;\r
-  MapAttribute.Bits.ReadWrite = 1;\r
-\r
-  MapMask.Bits.PageTableBaseAddress = 1;\r
-  MapMask.Bits.Present              = 1;\r
-  MapMask.Bits.ReadWrite            = 1;\r
-\r
-  PageTable           = 0;\r
-  PageTableBufferSize = 0;\r
-\r
-  Status = PageTableMap (\r
-             &PageTable,\r
-             Paging4Level,\r
-             NULL,\r
-             &PageTableBufferSize,\r
-             Address,\r
-             Length,\r
-             &MapAttribute,\r
-             &MapMask\r
-             );\r
-  ASSERT (Status == EFI_BUFFER_TOO_SMALL);\r
-  DEBUG ((DEBUG_INFO, "AP Page Table Buffer Size = %x\n", PageTableBufferSize));\r
-\r
-  PageTableBuffer = AllocateReservedPages (EFI_SIZE_TO_PAGES (PageTableBufferSize));\r
-  ASSERT (PageTableBuffer != NULL);\r
-  Status = PageTableMap (\r
-             &PageTable,\r
-             Paging4Level,\r
-             PageTableBuffer,\r
-             &PageTableBufferSize,\r
-             Address,\r
-             Length,\r
-             &MapAttribute,\r
-             &MapMask\r
-             );\r
-  ASSERT_EFI_ERROR (Status);\r
-  return PageTable;\r
-}\r