Beispiel #1
0
/**
  Shutdown our hardware

  DXE Core will disable interrupts and turn off the timer and disable interrupts
  after all the event handlers have run.

  @param[in]  Event   The Event that is being processed
  @param[in]  Context Event Context
**/
VOID
EFIAPI
GicV2ExitBootServicesEvent (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  )
{
  UINTN    Index;
  UINT32   GicInterrupt;

  // Disable all the interrupts
  for (Index = 0; Index < mGicNumInterrupts; Index++) {
    GicV2DisableInterruptSource (&gHardwareInterruptV2Protocol, Index);
  }

  // Acknowledge all pending interrupts
  do {
    GicInterrupt = ArmGicV2AcknowledgeInterrupt (mGicInterruptInterfaceBase);

    if ((GicInterrupt & ARM_GIC_ICCIAR_ACKINTID) < mGicNumInterrupts) {
      GicV2EndOfInterrupt (&gHardwareInterruptV2Protocol, GicInterrupt);
    }
  } while (!ARM_GIC_IS_SPECIAL_INTERRUPTS (GicInterrupt));

  // Disable Gic Interface
  ArmGicV2DisableInterruptInterface (mGicInterruptInterfaceBase);

  // Disable Gic Distributor
  ArmGicDisableDistributor (mGicDistributorBase);
}
Beispiel #2
0
/**
  Shutdown our hardware

  DXE Core will disable interrupts and turn off the timer and disable interrupts
  after all the event handlers have run.

  @param[in]  Event   The Event that is being processed
  @param[in]  Context Event Context
**/
VOID
EFIAPI
GicV3ExitBootServicesEvent (
  IN EFI_EVENT  Event,
  IN VOID       *Context
  )
{
  UINTN    Index;

  // Acknowledge all pending interrupts
  for (Index = 0; Index < mGicNumInterrupts; Index++) {
    GicV3DisableInterruptSource (&gHardwareInterruptV3Protocol, Index);
  }

  for (Index = 0; Index < mGicNumInterrupts; Index++) {
    GicV3EndOfInterrupt (&gHardwareInterruptV3Protocol, Index);
  }

  // Disable Gic Interface
  ArmGicV3DisableInterruptInterface ();

  // Disable Gic Distributor
  ArmGicDisableDistributor (mGicDistributorBase);
}