diff options
Diffstat (limited to 'UefiCpuPkg/Library')
7 files changed, 53 insertions, 69 deletions
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c new file mode 100644 index 0000000000..c2cc3ff9a7 --- /dev/null +++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.c @@ -0,0 +1,38 @@ +/** @file
+ This library defines some routines that are generic for IA32 family CPU.
+
+ The library routines are UEFI specification compliant.
+
+ Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Register/Intel/Cpuid.h>
+#include <Register/Amd/Cpuid.h>
+
+#include <Library/BaseLib.h>
+#include <Library/UefiCpuLib.h>
+
+/**
+ 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
+ )
+{
+ UINT32 RegEbx;
+ UINT32 RegEcx;
+ UINT32 RegEdx;
+
+ AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
+ return (RegEbx == CPUID_SIGNATURE_AUTHENTIC_AMD_EBX &&
+ RegEcx == CPUID_SIGNATURE_AUTHENTIC_AMD_ECX &&
+ RegEdx == CPUID_SIGNATURE_AUTHENTIC_AMD_EDX);
+}
diff --git a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf index 006b7acbf1..34d3a7bb43 100644 --- a/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf +++ b/UefiCpuPkg/Library/BaseUefiCpuLib/BaseUefiCpuLib.inf @@ -4,6 +4,7 @@ # The library routines are UEFI specification compliant.
#
# Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -29,6 +30,12 @@ [Sources.X64]
X64/InitializeFpu.nasm
+[Sources]
+ BaseUefiCpuLib.c
+
[Packages]
MdePkg/MdePkg.dec
UefiCpuPkg/UefiCpuPkg.dec
+
+[LibraryClasses]
+ BaseLib
diff --git a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c index 33ea15ca29..52bd90d334 100644 --- a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c +++ b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c @@ -4,7 +4,7 @@ This local APIC library instance supports xAPIC mode only.
Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
- Copyright (c) 2017, AMD Inc. All rights reserved.<BR>
+ Copyright (c) 2017 - 2020, AMD Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -21,34 +21,13 @@ #include <Library/IoLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
+#include <Library/UefiCpuLib.h>
//
// Library internal functions
//
/**
- Determine if the standard CPU signature is "AuthenticAMD".
-
- @retval TRUE The CPU signature matches.
- @retval FALSE The CPU signature does not match.
-
-**/
-BOOLEAN
-StandardSignatureIsAuthenticAMD (
- VOID
- )
-{
- UINT32 RegEbx;
- UINT32 RegEcx;
- UINT32 RegEdx;
-
- AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
- return (RegEbx == CPUID_SIGNATURE_AUTHENTIC_AMD_EBX &&
- RegEcx == CPUID_SIGNATURE_AUTHENTIC_AMD_ECX &&
- RegEdx == CPUID_SIGNATURE_AUTHENTIC_AMD_EDX);
-}
-
-/**
Determine if the CPU supports the Local APIC Base Address MSR.
@retval TRUE The CPU supports the Local APIC Base Address MSR.
diff --git a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf index bdb2ff3726..561baa44b0 100644 --- a/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf +++ b/UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf @@ -5,6 +5,7 @@ # where local APIC is disabled.
#
# Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -37,6 +38,7 @@ TimerLib
IoLib
PcdLib
+ UefiCpuLib
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuInitIpiDelayInMicroSeconds ## SOMETIMES_CONSUMES
diff --git a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c index d0f92b33dc..cdcbca0461 100644 --- a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c +++ b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.c @@ -5,7 +5,7 @@ which have xAPIC and x2APIC modes.
Copyright (c) 2010 - 2019, Intel Corporation. All rights reserved.<BR>
- Copyright (c) 2017, AMD Inc. All rights reserved.<BR>
+ Copyright (c) 2017 - 2020, AMD Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -22,34 +22,13 @@ #include <Library/IoLib.h>
#include <Library/TimerLib.h>
#include <Library/PcdLib.h>
+#include <Library/UefiCpuLib.h>
//
// Library internal functions
//
/**
- Determine if the standard CPU signature is "AuthenticAMD".
-
- @retval TRUE The CPU signature matches.
- @retval FALSE The CPU signature does not match.
-
-**/
-BOOLEAN
-StandardSignatureIsAuthenticAMD (
- VOID
- )
-{
- UINT32 RegEbx;
- UINT32 RegEcx;
- UINT32 RegEdx;
-
- AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
- return (RegEbx == CPUID_SIGNATURE_AUTHENTIC_AMD_EBX &&
- RegEcx == CPUID_SIGNATURE_AUTHENTIC_AMD_ECX &&
- RegEdx == CPUID_SIGNATURE_AUTHENTIC_AMD_EDX);
-}
-
-/**
Determine if the CPU supports the Local APIC Base Address MSR.
@retval TRUE The CPU supports the Local APIC Base Address MSR.
diff --git a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf index ac1e0a1c98..1e2a4f8b79 100644 --- a/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf +++ b/UefiCpuPkg/Library/BaseXApicX2ApicLib/BaseXApicX2ApicLib.inf @@ -5,6 +5,7 @@ # where local APIC is disabled.
#
# Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2020, AMD Inc. All rights reserved.<BR>
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
@@ -37,6 +38,7 @@ TimerLib
IoLib
PcdLib
+ UefiCpuLib
[Pcd]
gUefiCpuPkgTokenSpaceGuid.PcdCpuInitIpiDelayInMicroSeconds ## SOMETIMES_CONSUMES
diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c index ab7a8ed663..9b0660a5d4 100644 --- a/UefiCpuPkg/Library/MpInitLib/MpLib.c +++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c @@ -14,29 +14,6 @@ EFI_GUID mCpuInitMpLibHobGuid = CPU_INIT_MP_LIB_HOB_GUID; /**
- Determine if the standard CPU signature is "AuthenticAMD".
-
- @retval TRUE The CPU signature matches.
- @retval FALSE The CPU signature does not match.
-
-**/
-STATIC
-BOOLEAN
-StandardSignatureIsAuthenticAMD (
- VOID
- )
-{
- UINT32 RegEbx;
- UINT32 RegEcx;
- UINT32 RegEdx;
-
- AsmCpuid (CPUID_SIGNATURE, NULL, &RegEbx, &RegEcx, &RegEdx);
- return (RegEbx == CPUID_SIGNATURE_AUTHENTIC_AMD_EBX &&
- RegEcx == CPUID_SIGNATURE_AUTHENTIC_AMD_ECX &&
- RegEdx == CPUID_SIGNATURE_AUTHENTIC_AMD_EDX);
-}
-
-/**
The function will check if BSP Execute Disable is enabled.
DxeIpl may have enabled Execute Disable for BSP, APs need to
|