There are two libraries: MdePkg/CpuLib and UefiCpuPkg/UefiCpuLib. This
patch merges UefiCpuPkg/UefiCpuLib to MdePkg/CpuLib.
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <gaolim...@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang....@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Rahul Kumar <rahul1.ku...@intel.com>
Signed-off-by: Yu Pu <yu...@intel.com>
---
UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c =>
MdePkg/Library/BaseCpuLib/X86BaseCpuLib.c | 2 +-
UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLibNull.c
| 16 +++++++
MdePkg/Include/Library/CpuLib.h
| 48 +++++++++++++++++++
MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
| 6 +++
{UefiCpuPkg/Library/BaseUefiCpuLib =>
MdePkg/Library/BaseCpuLib}/Ia32/InitializeFpu.nasm | 0
{UefiCpuPkg/Library/BaseUefiCpuLib =>
MdePkg/Library/BaseCpuLib}/X64/InitializeFpu.nasm | 0
UefiCpuPkg/Include/Library/UefiCpuLib.h
| 49 --------------------
UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
| 8 +---
8 files changed, 72 insertions(+), 57 deletions(-)
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c
b/MdePkg/Library/BaseCpuLib/X86BaseCpuLib.c
similarity index 93%
rename from UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c
rename to MdePkg/Library/BaseCpuLib/X86BaseCpuLib.c
index 5d925bc273f8..1cad32a4beb0 100644
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c
+++ b/MdePkg/Library/BaseCpuLib/X86BaseCpuLib.c
@@ -13,7 +13,7 @@
#include <Register/Amd/Cpuid.h>
#include <Library/BaseLib.h>
-#include <Library/UefiCpuLib.h>
+#include <Library/CpuLib.h>
/**
Determine if the standard CPU signature is "AuthenticAMD".
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLibNull.c
b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLibNull.c
new file mode 100644
index 000000000000..eaecd4ae5ed7
--- /dev/null
+++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLibNull.c
@@ -0,0 +1,16 @@
+/** @file
+This library contains a dummy function to pass build.
+
+Copyright (c) 2022, Intel Corporation. All rights reserved.
+
+SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Base.h>
+STATIC
+VOID
+Dummy (
+ VOID
+ )
+{
+
+}
diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h
index 25f6d9478c52..3f29937dc71b 100644
--- a/MdePkg/Include/Library/CpuLib.h
+++ b/MdePkg/Include/Library/CpuLib.h
@@ -41,4 +41,52 @@ CpuFlushTlb (
VOID
);
+#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64)
+
+/**
+ Initializes floating point units for requirement of UEFI specification.
+ This function initializes floating-point control word to 0x027F (all
exceptions
+ masked,double-precision, round-to-nearest) and multimedia-extensions control
word
+ (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to
zero
+ for masked underflow).
+**/
+VOID
+EFIAPI
+InitializeFloatingPointUnits (
+ VOID
+ );
+
+/**
+ Determine if the standard CPU signature is "AuthenticAMD".
+ @retval TRUE The CPU signature matches.
+ @retval FALSE The CPU signature does not match.
+**/
+BOOLEAN
+EFIAPI
+StandardSignatureIsAuthenticAMD (
+ VOID
+ );
+
+/**
+ Return the 32bit CPU family and model value.
+ @return CPUID[01h].EAX with Processor Type and Stepping ID cleared.
+**/
+UINT32
+EFIAPI
+GetCpuFamilyModel (
+ VOID
+ );
+
+/**
+ Return the CPU stepping ID.
+ @return CPU stepping ID value in CPUID[01h].EAX.
+**/
+UINT8
+EFIAPI
+GetCpuSteppingId (
+ VOID
+ );
+
+#endif
+
#endif
diff --git a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
index 950f5229b2a4..7cdbb552c08c 100644
--- a/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
+++ b/MdePkg/Library/BaseCpuLib/BaseCpuLib.inf
@@ -28,6 +28,9 @@
# VALID_ARCHITECTURES = IA32 X64 EBC ARM AARCH64 RISCV64
#
+[Sources.IA32, Sources.X64]
+ X86BaseCpuLib.c
+
[Sources.IA32]
Ia32/CpuSleep.c | MSFT
Ia32/CpuFlushTlb.c | MSFT
@@ -38,10 +41,13 @@
Ia32/CpuSleepGcc.c | GCC
Ia32/CpuFlushTlbGcc.c | GCC
+ Ia32/InitializeFpu.nasm
+
[Sources.X64]
X64/CpuFlushTlb.nasm
X64/CpuSleep.nasm
+ X64/InitializeFpu.nasm
[Sources.EBC]
Ebc/CpuSleepFlushTlb.c
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.nasm
b/MdePkg/Library/BaseCpuLib/Ia32/InitializeFpu.nasm
similarity index 100%
rename from UefiCpuPkg/Library/BaseUefiCpuLib/Ia32/InitializeFpu.nasm
rename to MdePkg/Library/BaseCpuLib/Ia32/InitializeFpu.nasm
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.nasm
b/MdePkg/Library/BaseCpuLib/X64/InitializeFpu.nasm
similarity index 100%
rename from UefiCpuPkg/Library/BaseUefiCpuLib/X64/InitializeFpu.nasm
rename to MdePkg/Library/BaseCpuLib/X64/InitializeFpu.nasm
diff --git a/UefiCpuPkg/Include/Library/UefiCpuLib.h
b/UefiCpuPkg/Include/Library/UefiCpuLib.h
index 0ff4a35774c1..ab6982db6e9c 100644
--- a/UefiCpuPkg/Include/Library/UefiCpuLib.h
+++ b/UefiCpuPkg/Include/Library/UefiCpuLib.h
@@ -13,53 +13,4 @@
#ifndef __UEFI_CPU_LIB_H__
#define __UEFI_CPU_LIB_H__
-/**
- Initializes floating point units for requirement of UEFI specification.
-
- This function initializes floating-point control word to 0x027F (all
exceptions
- masked,double-precision, round-to-nearest) and multimedia-extensions control
word
- (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to
zero
- for masked underflow).
-
-**/
-VOID
-EFIAPI
-InitializeFloatingPointUnits (
- VOID
- );
-
-/**
- Determine if the standard CPU signature is "AuthenticAMD".
-
- @retval TRUE The CPU signature matches.
- @retval FALSE The CPU signature does not match.
-
-**/
-BOOLEAN
-EFIAPI
-StandardSignatureIsAuthenticAMD (
- VOID
- );
-
-/**
- Return the 32bit CPU family and model value.
-
- @return CPUID[01h].EAX with Processor Type and Stepping ID cleared.
-**/
-UINT32
-EFIAPI
-GetCpuFamilyModel (
- VOID
- );
-
-/**
- Return the CPU stepping ID.
- @return CPU stepping ID value in CPUID[01h].EAX.
-**/
-UINT8
-EFIAPI
-GetCpuSteppingId (
- VOID
- );
-
#endif
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
index 34d3a7bb4303..9f8b62d87aae 100644
--- a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
+++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf
@@ -24,14 +24,8 @@
# VALID_ARCHITECTURES = IA32 X64
#
-[Sources.IA32]
- Ia32/InitializeFpu.nasm
-
-[Sources.X64]
- X64/InitializeFpu.nasm
-
[Sources]
- BaseUefiCpuLib.c
+ BaseUefiCpuLibNull.c
[Packages]
MdePkg/MdePkg.dec
--
2.30.0.windows.2
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