SecPeiExceptionLib.c

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#include <Library/BaseLib.h>
#include <Library/CpuLib.h>
#include <Library/CpuExceptionHandlerLib.h>
#include <Library/DebugLib.h>
#include <Library/SerialPortLib.h>
#include <Protocol/DebugSupport.h>
#include <Register/LoongArch64/Csr.h>
 
#include "ExceptionCommon.h"
 
EFI_STATUS
RegisterCpuInterruptHandler (
  IN EFI_EXCEPTION_TYPE         InterruptType,
  IN EFI_CPU_INTERRUPT_HANDLER  InterruptHandler
  )
{
  return EFI_UNSUPPORTED;
}
 
VOID
EFIAPI
CommonExceptionHandler (
  IN     EFI_EXCEPTION_TYPE  ExceptionType,
  IN OUT EFI_SYSTEM_CONTEXT  SystemContext
  )
{
  EFI_EXCEPTION_TYPE  InterruptType;
 
  if (ExceptionType == EXCEPT_LOONGARCH_INT) {
    //
    // Interrupt
    //
    InterruptType = GetInterruptType (SystemContext);
    if (InterruptType == EXCEPT_LOONGARCH_INT_IPI) {
      //
      // APs may wake up via IPI IRQ during the SEC or PEI phase, clear the IPI interrupt and
      // perform the remaining work.
      //
      IpiInterruptHandler (InterruptType, SystemContext);
      return;
    } else {
      ExceptionType = InterruptType;
    }
  } else {
    //
    // Exception
    //
    ExceptionType >>= CSR_ESTAT_EXC_SHIFT;
  }
 
  DefaultExceptionHandler (ExceptionType, SystemContext);
}
 
EFI_STATUS
EFIAPI
InitializeCpuExceptionHandlers (
  IN EFI_VECTOR_HANDOFF_INFO  *VectorInfo OPTIONAL
  )
{
  return EFI_SUCCESS;
}