DxeCpuCacheInfoLib.c

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#include <PiDxe.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/CpuCacheInfoLib.h>
#include <InternalCpuCacheInfoLib.h>
 
EFI_STATUS
CpuCacheInfoGetMpServices (
  OUT MP_SERVICES  *MpServices
  )
{
  EFI_STATUS  Status;
 
  Status = gBS->LocateProtocol (&gEfiMpServiceProtocolGuid, NULL, (VOID **)&MpServices->Protocol);
  ASSERT_EFI_ERROR (Status);
 
  return Status;
}
 
VOID
CpuCacheInfoStartupAllCPUs (
  IN MP_SERVICES       MpServices,
  IN EFI_AP_PROCEDURE  Procedure,
  IN VOID              *ProcedureArgument
  )
{
  EFI_STATUS  Status;
 
  Status = MpServices.Protocol->StartupAllAPs (MpServices.Protocol, Procedure, FALSE, NULL, 0, ProcedureArgument, NULL);
  if (Status == EFI_NOT_STARTED) {
    //
    // EFI_NOT_STARTED is returned when there is no enabled AP.
    // Treat this case as EFI_SUCCESS.
    //
    Status = EFI_SUCCESS;
  }
 
  ASSERT_EFI_ERROR (Status);
 
  Procedure (ProcedureArgument);
}
 
VOID
CpuCacheInfoGetProcessorInfo (
  IN MP_SERVICES                 MpServices,
  IN UINTN                       ProcessorNum,
  OUT EFI_PROCESSOR_INFORMATION  *ProcessorInfo
  )
{
  EFI_STATUS  Status;
 
  Status = MpServices.Protocol->GetProcessorInfo (MpServices.Protocol, ProcessorNum, ProcessorInfo);
  ASSERT_EFI_ERROR (Status);
}
 
UINT32
CpuCacheInfoWhoAmI (
  IN MP_SERVICES  MpServices
  )
{
  EFI_STATUS  Status;
  UINTN       ProcessorNum;
 
  Status = MpServices.Protocol->WhoAmI (MpServices.Protocol, &ProcessorNum);
  ASSERT_EFI_ERROR (Status);
 
  return (UINT32)ProcessorNum;
}
 
UINT32
CpuCacheInfoGetNumberOfProcessors (
  IN MP_SERVICES  MpServices
  )
{
  EFI_STATUS  Status;
  UINTN       NumberOfProcessor;
  UINTN       NumberOfEnabledProcessor;
 
  Status = MpServices.Protocol->GetNumberOfProcessors (MpServices.Protocol, &NumberOfProcessor, &NumberOfEnabledProcessor);
  ASSERT_EFI_ERROR (Status);
 
  return (UINT32)NumberOfProcessor;
}