MdePkg/BaseCpuLib: Remove assembly for CpuFlushTlb

For different compilers, both IA32 and X64 can use
Ia32/CpuFlushTlbGcc.c, which is C code (no inline assembly code).
To simplify, remove other assemly file for CpuFlushTlb,
and rename Ia32/CpuFlushTlbGcc.c to X86CpuFlushTlb.c.

Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Ray Ni <ray.ni@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang.liu@intel.com>

MdePkg/Library/BaseCpuLib/BaseCpuLib.inf

@@ -4,7 +4,7 @@
 #  CPU Library implemented using ASM functions for IA32, X64, ARM, AARCH64,
 #  PAL CALLs for IPF, and empty functions for EBC.
 #
-#  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2007 - 2022, Intel Corporation. All rights reserved.<BR>
 #  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
 #  Portions copyright (c) 2011 - 2013, ARM Ltd. All rights reserved.<BR>
 #  Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
@@ -31,16 +31,12 @@
 
 [Sources.IA32]
   Ia32/CpuSleep.c | MSFT
-  Ia32/CpuFlushTlb.c | MSFT
-
   Ia32/CpuSleep.nasm| INTEL
-  Ia32/CpuFlushTlb.nasm| INTEL
-
   Ia32/CpuSleepGcc.c | GCC
-  Ia32/CpuFlushTlbGcc.c | GCC
+  X86CpuFlushTlb.c
 
 [Sources.X64]
-  X64/CpuFlushTlb.nasm
+  X86CpuFlushTlb.c
   X64/CpuSleep.nasm
 
 

MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c

@@ -1,25 +0,0 @@
-/** @file
-  CpuFlushTlb function.
-
-  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
-  SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-/**
-  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
-
-  Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
-
-**/
-VOID
-EFIAPI
-CpuFlushTlb (
-  VOID
-  )
-{
-  _asm {
-    mov     eax, cr3
-    mov     cr3, eax
-  }
-}

MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm

@@ -1,31 +0,0 @@
-;------------------------------------------------------------------------------ ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-; SPDX-License-Identifier: BSD-2-Clause-Patent
-;
-; Module Name:
-;
-;   CpuFlushTlb.Asm
-;
-; Abstract:
-;
-;   CpuFlushTlb function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    SECTION .text
-
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; CpuFlushTlb (
-;   VOID
-;   );
-;------------------------------------------------------------------------------
-global ASM_PFX(CpuFlushTlb)
-ASM_PFX(CpuFlushTlb):
-    mov     eax, cr3
-    mov     cr3, eax                    ; moving to CR3 flushes TLB
-    ret
-

MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm

@@ -1,32 +0,0 @@
-;------------------------------------------------------------------------------ ;
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
-; SPDX-License-Identifier: BSD-2-Clause-Patent
-;
-; Module Name:
-;
-;   CpuFlushTlb.Asm
-;
-; Abstract:
-;
-;   CpuFlushTlb function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
-    DEFAULT REL
-    SECTION .text
-
-;------------------------------------------------------------------------------
-; VOID
-; EFIAPI
-; CpuFlushTlb (
-;   VOID
-;   );
-;------------------------------------------------------------------------------
-global ASM_PFX(CpuFlushTlb)
-ASM_PFX(CpuFlushTlb):
-    mov     rax, cr3
-    mov     cr3, rax
-    ret
-

MdePkg/Library/BaseCpuLib/X86CpuFlushTlb.c

@@ -1,7 +1,7 @@
 /** @file
-  CpuFlushTlb function for Ia32/X64 GCC.
+  CpuFlushTlb function for Ia32/X64.
 
-  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
   Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
   SPDX-License-Identifier: BSD-2-Clause-Patent