GetProcessorIndex function calls GetMpPpi to get the MP Ppi. Ap will calls GetProcessorIndex function which final let AP calls PeiService.
This patch avoid GetProcessorIndex call PeiService. BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1411 Cc: Ruiyu Ni <ruiyu...@intel.com> Cc: Laszlo Ersek <ler...@redhat.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Eric Dong <eric.d...@intel.com> --- .../RegisterCpuFeaturesLib/CpuFeaturesInitialize.c | 2 +- .../DxeRegisterCpuFeaturesLib.c | 6 ++++-- .../PeiRegisterCpuFeaturesLib.c | 21 ++++++++++++++++----- .../RegisterCpuFeaturesLib/RegisterCpuFeatures.h | 6 +++++- 4 files changed, 26 insertions(+), 9 deletions(-) diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c index a64326239f..81f4652a03 100644 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c @@ -409,7 +409,7 @@ CollectProcessorData ( CPU_FEATURES_DATA *CpuFeaturesData; CpuFeaturesData = (CPU_FEATURES_DATA *)Buffer; - ProcessorNumber = GetProcessorIndex (); + ProcessorNumber = GetProcessorIndex (CpuFeaturesData); CpuInfo = &CpuFeaturesData->InitOrder[ProcessorNumber].CpuInfo; // // collect processor information diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c index 926698dc95..6f3e5bd2a8 100644 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/DxeRegisterCpuFeaturesLib.c @@ -66,11 +66,13 @@ GetMpProtocol ( /** Worker function to return processor index. + @param CpuFeaturesData Cpu Feature Data structure. + @return The processor index. **/ UINTN GetProcessorIndex ( - VOID + IN CPU_FEATURES_DATA *CpuFeaturesData ) { EFI_STATUS Status; @@ -225,7 +227,7 @@ CpuFeaturesInitialize ( CpuFeaturesData = GetCpuFeaturesData (); - OldBspNumber = GetProcessorIndex(); + OldBspNumber = GetProcessorIndex(CpuFeaturesData); CpuFeaturesData->BspNumber = OldBspNumber; Status = gBS->CreateEvent ( diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/PeiRegisterCpuFeaturesLib.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/PeiRegisterCpuFeaturesLib.c index 0bb3dee8b6..0bbcb50181 100644 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/PeiRegisterCpuFeaturesLib.c +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/PeiRegisterCpuFeaturesLib.c @@ -96,20 +96,26 @@ GetMpPpi ( /** Worker function to return processor index. + @param CpuFeaturesData Cpu Feature Data structure. + @return The processor index. **/ UINTN GetProcessorIndex ( - VOID + IN CPU_FEATURES_DATA *CpuFeaturesData ) { EFI_STATUS Status; - EFI_PEI_MP_SERVICES_PPI *CpuMpPpi; UINTN ProcessorIndex; + EFI_PEI_MP_SERVICES_PPI *CpuMpPpi; - CpuMpPpi = GetMpPpi (); + ASSERT (CpuFeaturesData->CpuMpPpi != NULL); + if (CpuFeaturesData->CpuMpPpi == NULL) { + return (UINTN) (-1); + } + CpuMpPpi = (EFI_PEI_MP_SERVICES_PPI *)CpuFeaturesData->CpuMpPpi; - Status = CpuMpPpi->WhoAmI(GetPeiServicesTablePointer (), CpuMpPpi, &ProcessorIndex); + Status = CpuMpPpi->WhoAmI(NULL, CpuMpPpi, &ProcessorIndex); ASSERT_EFI_ERROR (Status); return ProcessorIndex; } @@ -286,6 +292,9 @@ GetNumberOfProcessor ( { EFI_STATUS Status; EFI_PEI_MP_SERVICES_PPI *CpuMpPpi; + CPU_FEATURES_DATA *CpuFeaturesData; + + CpuFeaturesData = GetCpuFeaturesData(); // // Get MP Services Protocol @@ -298,6 +307,8 @@ GetNumberOfProcessor ( ); ASSERT_EFI_ERROR (Status); + CpuFeaturesData->CpuMpPpi = CpuMpPpi; + // // Get the number of CPUs // @@ -329,7 +340,7 @@ CpuFeaturesInitialize ( CpuFeaturesData = GetCpuFeaturesData (); - OldBspNumber = GetProcessorIndex(); + OldBspNumber = GetProcessorIndex (CpuFeaturesData); CpuFeaturesData->BspNumber = OldBspNumber; // diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeatures.h b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeatures.h index cf3da84837..19c3420511 100644 --- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeatures.h +++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/RegisterCpuFeatures.h @@ -85,6 +85,8 @@ typedef struct { UINTN BspNumber; PROGRAM_CPU_REGISTER_FLAGS CpuFlags; + + VOID *CpuMpPpi; } CPU_FEATURES_DATA; #define CPU_FEATURE_ENTRY_FROM_LINK(a) \ @@ -108,11 +110,13 @@ GetCpuFeaturesData ( /** Worker function to return processor index. + @param CpuFeaturesData Cpu Feature Data structure. + @return The processor index. **/ UINTN GetProcessorIndex ( - VOID + IN CPU_FEATURES_DATA *CpuFeaturesData ); /** -- 2.15.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
