Cpu.c File Reference

#include "BaseLibInternals.h"

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Functions
BOOLEAN EFIAPI	SaveAndDisableInterrupts (VOID)
BOOLEAN EFIAPI	SetInterruptState (IN BOOLEAN InterruptState)

Detailed Description

Base Library CPU Functions for all architectures.

Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Cpu.c.

Function Documentation

SaveAndDisableInterrupts()

BOOLEAN EFIAPI SaveAndDisableInterrupts

(

VOID

)

Disables CPU interrupts and returns the interrupt state prior to the disable operation.

Return values

TRUE	CPU interrupts were enabled on entry to this call.
FALSE	CPU interrupts were disabled on entry to this call.

Definition at line 21 of file Cpu.c.

SetInterruptState()

BOOLEAN EFIAPI SetInterruptState

(

IN BOOLEAN

InterruptState

)

Set the current CPU interrupt state.

Sets the current CPU interrupt state to the state specified by InterruptState. If InterruptState is TRUE, then interrupts are enabled. If InterruptState is FALSE, then interrupts are disabled. InterruptState is returned.

Parameters

InterruptState

TRUE if interrupts should be enabled. FALSE if interrupts should be disabled.

Returns

InterruptState

Definition at line 48 of file Cpu.c.