VOID DisableInterruptSource ( VOID ) { UINTN Bank; UINTN Bit; Bank = gVector / 32; Bit = 1UL << (gVector % 32); MmioWrite32 (INTCPS_MIR_SET(Bank), Bit); }
/** Disable interrupt source Source. @param This Instance pointer for this protocol @param Source Hardware source of the interrupt @retval EFI_SUCCESS Source interrupt disabled. @retval EFI_DEVICE_ERROR Hardware could not be programmed. **/ EFI_STATUS EFIAPI DisableInterruptSource ( IN EFI_HARDWARE_INTERRUPT_PROTOCOL *This, IN HARDWARE_INTERRUPT_SOURCE Source ) { UINTN Bank; UINTN Bit; if (Source > MAX_VECTOR) { ASSERT(FALSE); return EFI_UNSUPPORTED; } Bank = Source / 32; Bit = 1UL << (Source % 32); MmioWrite32 (INTCPS_MIR_SET(Bank), Bit); return EFI_SUCCESS; }