diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2016-09-09 15:14:32 +0800 |
|---|---|---|
| committer | Jeff Fan <jeff.fan@intel.com> | 2016-09-14 08:54:46 +0800 |
| commit | 8a5b8cef678711060cc9014e0fac1886839de943 (patch) | |
| tree | 803a1e0cf52f78457e1f70c99184bc9f3714a814 /UefiCpuPkg/SecCore/SecBist.c | |
| parent | d157de8b5603fb24feed6ec7b46be8677083c25a (diff) | |
| download | edk2-8a5b8cef678711060cc9014e0fac1886839de943.zip edk2-8a5b8cef678711060cc9014e0fac1886839de943.tar.gz edk2-8a5b8cef678711060cc9014e0fac1886839de943.tar.bz2 | |
UefiCpuPkg/SecCore: Re-install SEC platform information(2) PPI
In SecTemporaryRamDone(), we will build one privated GUIDed-HOB to save CPU BIST
Data and re-install SEC platform information(2) PPI. Then other PEI drivers
could get CPU BIST data from the private GUIDed-HOB by new installed PPI.
Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@Intel.com>
Diffstat (limited to 'UefiCpuPkg/SecCore/SecBist.c')
| -rw-r--r-- | UefiCpuPkg/SecCore/SecBist.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/UefiCpuPkg/SecCore/SecBist.c b/UefiCpuPkg/SecCore/SecBist.c index 10bebbc..dd5c5e5 100644 --- a/UefiCpuPkg/SecCore/SecBist.c +++ b/UefiCpuPkg/SecCore/SecBist.c @@ -14,6 +14,26 @@ #include "SecMain.h"
+EFI_SEC_PLATFORM_INFORMATION_PPI mSecPlatformInformation = {
+ SecPlatformInformationBist
+};
+
+EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiSecPlatformInformationPpiGuid,
+ &mSecPlatformInformation
+};
+
+EFI_SEC_PLATFORM_INFORMATION2_PPI mSecPlatformInformation2 = {
+ SecPlatformInformation2Bist
+};
+
+EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformInformation2 = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiSecPlatformInformation2PpiGuid,
+ &mSecPlatformInformation2
+};
+
/**
Worker function to parse CPU BIST information from Guided HOB.
@@ -179,3 +199,70 @@ GetBistInfoFromPpi ( return EFI_DEVICE_ERROR;
}
+
+/**
+ Get CPUs' BIST by calling SecPlatformInformationPpi/SecPlatformInformation2Ppi.
+
+**/
+VOID
+RepublishSecPlatformInformationPpi (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ CONST EFI_PEI_SERVICES **PeiServices;
+ UINT64 BistInformationSize;
+ VOID *BistInformationData;
+ EFI_PEI_PPI_DESCRIPTOR *SecInformationDescriptor;
+
+ PeiServices = GetPeiServicesTablePointer ();
+ Status = GetBistInfoFromPpi (
+ PeiServices,
+ &gEfiSecPlatformInformation2PpiGuid,
+ &SecInformationDescriptor,
+ &BistInformationData,
+ &BistInformationSize
+ );
+ if (Status == EFI_SUCCESS) {
+ BuildGuidDataHob (
+ &gEfiCallerIdGuid,
+ BistInformationData,
+ (UINTN) BistInformationSize
+ );
+ //
+ // The old SecPlatformInformation data is on CAR.
+ // After memory discovered, we should never get it from CAR, or the data will be crashed.
+ // So, we reinstall SecPlatformInformation PPI here.
+ //
+ Status = PeiServicesReInstallPpi (
+ SecInformationDescriptor,
+ &mPeiSecPlatformInformation2
+ );
+ } if (Status == EFI_NOT_FOUND) {
+ Status = GetBistInfoFromPpi (
+ PeiServices,
+ &gEfiSecPlatformInformationPpiGuid,
+ &SecInformationDescriptor,
+ &BistInformationData,
+ &BistInformationSize
+ );
+ if (Status == EFI_SUCCESS) {
+ BuildGuidDataHob (
+ &gEfiCallerIdGuid,
+ BistInformationData,
+ (UINTN) BistInformationSize
+ );
+ //
+ // The old SecPlatformInformation2 data is on CAR.
+ // After memory discovered, we should never get it from CAR, or the data will be crashed.
+ // So, we reinstall SecPlatformInformation2 PPI here.
+ //
+ Status = PeiServicesReInstallPpi (
+ SecInformationDescriptor,
+ &mPeiSecPlatformInformation
+ );
+ }
+ }
+
+ ASSERT_EFI_ERROR(Status);
+}
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