MdePkg/Library/BaseLib/X86GetInterruptState.c File Reference


Functions

BOOLEAN EFIAPI GetInterruptState (VOID)

Detailed Description

IA-32/x64 GetInterruptState()

Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Function Documentation

BOOLEAN EFIAPI GetInterruptState ( VOID   ) 

Retrieves the current CPU interrupt state.

Returns TRUE is interrupts are currently enabled. Otherwise returns FALSE.

Return values:
TRUE CPU interrupts are enabled.
FALSE CPU interrupts are disabled.

References AsmReadEflags(), IA32_EFLAGS32::Bits, IA32_EFLAGS32::IF, and IA32_EFLAGS32::UintN.

Referenced by CpuSleep(), and SaveAndDisableInterrupts().


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