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 Ia32/CpuFlushTlb.c.
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Signed-off-by: Ray Ni <ray...@intel.com>
Signed-off-by: Zhiguang Liu <zhiguang....@intel.com>
---
MdePkg/Library/BaseCpuLib/BaseCpuLib.inf | 10 ++----
MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c | 12 +++----
.../Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm | 31 ------------------
.../Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c | 25 ---------------
.../Library/BaseCpuLib/X64/CpuFlushTlb.nasm | 32 -------------------
5 files changed, 9 insertions(+), 101 deletions(-)
delete mode 100644 MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
delete mode 100644 MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
delete mode 100644 MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
index 6b230f6e6d..0feb592638 100644
--- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
+++ b/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
+ Ia32/CpuFlushTlb.c
[Sources.X64]
- X64/CpuFlushTlb.nasm
+ Ia32/CpuFlushTlb.c
X64/CpuSleep.nasm
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
index 549f4eb8a0..17a351d054 100644
--- a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
+++ b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.c
@@ -1,11 +1,14 @@
/** @file
- CpuFlushTlb function.
+ 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
**/
+#include <Library/BaseLib.h>
+
/**
Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU.
@@ -18,8 +21,5 @@ CpuFlushTlb (
VOID
)
{
- _asm {
- mov eax, cr3
- mov cr3, eax
- }
+ AsmWriteCr3 (AsmReadCr3 ());
}
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
deleted file mode 100644
index bc3b68e3f2..0000000000
--- a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlb.nasm
+++ /dev/null
@@ -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
-
diff --git a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
b/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
deleted file mode 100644
index ee44f2ea6e..0000000000
--- a/MdePkg/Library/BaseCpuLib/Ia32/CpuFlushTlbGcc.c
+++ /dev/null
@@ -1,25 +0,0 @@
-/** @file
- CpuFlushTlb function for Ia32/X64 GCC.
-
- Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
- Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include <Library/BaseLib.h>
-
-/**
- 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
- )
-{
- AsmWriteCr3 (AsmReadCr3 ());
-}
diff --git a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
b/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
deleted file mode 100644
index 8ddf7a2864..0000000000
--- a/MdePkg/Library/BaseCpuLib/X64/CpuFlushTlb.nasm
+++ /dev/null
@@ -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
-
--
2.31.1.windows.1
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