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authorKirkendall, Garrett <garrett.kirkendall@amd.com>2020-06-22 08:18:24 -0500
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-07-07 23:25:16 +0000
commitdf667535ed45086bce89d48044009afe3c9792e6 (patch)
tree7b0823452a432521f63e06b96dad022270b52f00 /UefiCpuPkg/Library/BaseXApicLib
parent7da5f343bcf04a2fa1bfb33243b4586d7d174514 (diff)
downloadedk2-df667535ed45086bce89d48044009afe3c9792e6.tar.gz
edk2-df667535ed45086bce89d48044009afe3c9792e6.tar.bz2
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UefiCpuPkg: Move StandardSignatureIsAuthenticAMD to BaseUefiCpuLib
Refactor StandardSignatureIsAuthenticAMD into BaseUefiCpuLib from separate copies in BaseXApicLib, BaseXApicX2ApicLib, and MpInitLib. This allows for future use of StandarSignatureIsAuthinticAMD without creating more instances in other modules. This function allows IA32/X64 code to determine if it is running on an AMD brand processor. UefiCpuLib is already included directly or indirectly in all modified modules. Complete move is made in this change. Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Garrett Kirkendall <garrett.kirkendall@amd.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Eric Dong <eric.dong@intel.com> Message-Id: <20200622131825.1352-4-Garrett.Kirkendall@amd.com>
Diffstat (limited to 'UefiCpuPkg/Library/BaseXApicLib')
-rw-r--r--UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.c25
-rw-r--r--UefiCpuPkg/Library/BaseXApicLib/BaseXApicLib.inf2
2 files changed, 4 insertions, 23 deletions
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