IntHandlerFuncs.c File Reference

#include <PeCoffExtraActionLib.h>

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Functions
BOOLEAN	CheckDebugAgentHandler (IN IA32_DESCRIPTOR *IdtDescriptor, IN UINTN InterruptType)
VOID	SaveAndUpdateIdtEntry1 (IN IA32_DESCRIPTOR *IdtDescriptor, OUT IA32_IDT_GATE_DESCRIPTOR *SavedIdtEntry)
VOID	RestoreIdtEntry1 (IN IA32_DESCRIPTOR *IdtDescriptor, IN IA32_IDT_GATE_DESCRIPTOR *RestoredIdtEntry)

Detailed Description

Ia32 arch functions to access IDT vector.

Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file IntHandlerFuncs.c.

Function Documentation

CheckDebugAgentHandler()

BOOLEAN CheckDebugAgentHandler	(	IN IA32_DESCRIPTOR *	IdtDescriptor,
		IN UINTN	InterruptType
	)

Read IDT entry to check if IDT entries are setup by Debug Agent.

Parameters

[in]	IdtDescriptor	Pointer to IDT Descriptor.
[in]	InterruptType	Interrupt type.

Return values

TRUE	IDT entries were setup by Debug Agent.
FALSE	IDT entries were not setup by Debug Agent.

Definition at line 22 of file IntHandlerFuncs.c.

RestoreIdtEntry1()

VOID RestoreIdtEntry1	(	IN IA32_DESCRIPTOR *	IdtDescriptor,
		IN IA32_IDT_GATE_DESCRIPTOR *	RestoredIdtEntry
	)

Restore IDT entry for INT1.

Parameters

[in]	IdtDescriptor	Pointer to IDT Descriptor.
[in]	RestoredIdtEntry	IDT entry to be restored.

Definition at line 84 of file IntHandlerFuncs.c.

SaveAndUpdateIdtEntry1()

VOID SaveAndUpdateIdtEntry1	(	IN IA32_DESCRIPTOR *	IdtDescriptor,
		OUT IA32_IDT_GATE_DESCRIPTOR *	SavedIdtEntry
	)

Save IDT entry for INT1 and update it.

Parameters

[in]	IdtDescriptor	Pointer to IDT Descriptor.
[out]	SavedIdtEntry	Original IDT entry returned.

Definition at line 52 of file IntHandlerFuncs.c.