SecurityPkg: AuthVariableLib: Cache UserPhysicalPresent in AuthVariableLib
AuthVariableLib is updated to cache the UserPhysicalPresent state to global variable. This avoids calling PlatformSecureLib during runtime and makes PhysicalPresent state consistent during one boot. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by: Yao Jiewen <jiewen.yao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
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@@ -35,6 +35,7 @@ UINT8 *mCertDbStore;
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UINT32 mMaxCertDbSize;
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UINT32 mPlatformMode;
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UINT8 mVendorKeyState;
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BOOLEAN mUserPhysicalPresent;
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EFI_GUID mSignatureSupport[] = {EFI_CERT_SHA1_GUID, EFI_CERT_SHA256_GUID, EFI_CERT_RSA2048_GUID, EFI_CERT_X509_GUID};
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@@ -435,6 +436,12 @@ AuthVariableLibInitialize (
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AuthVarLibContextOut->AddressPointer = mAuthVarAddressPointer;
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AuthVarLibContextOut->AddressPointerCount = sizeof (mAuthVarAddressPointer) / sizeof (mAuthVarAddressPointer[0]);
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//
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// Cache UserPhysicalPresent State.
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// Platform should report PhysicalPresent before this point
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//
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mUserPhysicalPresent = UserPhysicalPresent();
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return Status;
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}
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