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EmbeddedPkg/AcpiLib: Introduced LocateAndInstallAcpiFromFvConditional() 

This new helper function allows to install ACPI Table on condition.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <Olivier.Martin@arm.com>
Reviewed-by: Ronald Cron <Ronald.Cron@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17540 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Olivier Martin 2015-05-29 14:39:41 +00:00 committed by oliviermartin
parent 9d8ee7815c
commit da7dd714aa
2 changed files with 73 additions and 15 deletions
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28
EmbeddedPkg/Include/Library/AcpiLib.h
View File

@ -1,7 +1,7 @@
/** @file
Helper Library for ACPI
Copyright (c) 2014, ARM Ltd. All rights reserved.
Copyright (c) 2014-2015, ARM Ltd. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@ -18,6 +18,8 @@
#include <Uefi.h>
#include <IndustryStandard/Acpi10.h>
//
// Macros for the Generic Address Space
//
@ -69,6 +71,30 @@
WatchdogTimerGSIV, WatchdogTimerFlags \
}
typedef
BOOLEAN
(EFIAPI *EFI_LOCATE_ACPI_CHECK) (
IN EFI_ACPI_DESCRIPTION_HEADER *AcpiHeader
);
/**
Locate and Install the ACPI tables from the Firmware Volume if it verifies
the function condition.
@param AcpiFile Guid of the ACPI file into the Firmware Volume
@param CheckAcpiTableFunction Function that checks if the ACPI table should be installed
@return EFI_SUCCESS The function completed successfully.
@return EFI_NOT_FOUND The protocol could not be located.
@return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
**/
EFI_STATUS
LocateAndInstallAcpiFromFvConditional (
IN CONST EFI_GUID* AcpiFile,
IN EFI_LOCATE_ACPI_CHECK CheckAcpiTableFunction
);
/**
Locate and Install the ACPI tables from the Firmware Volume

40
EmbeddedPkg/Library/AcpiLib/AcpiLib.c
View File

@ -1,6 +1,6 @@
/** @file
*
* Copyright (c) 2014, ARM Limited. All rights reserved.
* Copyright (c) 2014-2015, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@ -24,9 +24,11 @@
#include <IndustryStandard/Acpi.h>
/**
Locate and Install the ACPI tables from the Firmware Volume
Locate and Install the ACPI tables from the Firmware Volume if it verifies
the function condition.
@param AcpiFile Guid of the ACPI file into the Firmware Volume
@param CheckAcpiTableFunction Function that checks if the ACPI table should be installed
@return EFI_SUCCESS The function completed successfully.
@return EFI_NOT_FOUND The protocol could not be located.
@ -34,8 +36,9 @@
**/
EFI_STATUS
LocateAndInstallAcpiFromFv (
IN CONST EFI_GUID* AcpiFile
LocateAndInstallAcpiFromFvConditional (
IN CONST EFI_GUID* AcpiFile,
IN EFI_LOCATE_ACPI_CHECK CheckAcpiTableFunction
)
{
EFI_STATUS Status;
@ -50,6 +53,7 @@ LocateAndInstallAcpiFromFv (
EFI_ACPI_COMMON_HEADER *AcpiTable;
UINTN AcpiTableSize;
UINTN AcpiTableKey;
BOOLEAN Valid;
// Ensure the ACPI Table is present
Status = gBS->LocateProtocol (
@ -116,13 +120,23 @@ LocateAndInstallAcpiFromFv (
((((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature >> 16) & 0xFF),
((((EFI_ACPI_DESCRIPTION_HEADER *) AcpiTable)->Signature >> 24) & 0xFF)));
// Is the ACPI table valid?
if (CheckAcpiTableFunction) {
Valid = CheckAcpiTableFunction ((EFI_ACPI_DESCRIPTION_HEADER *)AcpiTable);
} else {
Valid = TRUE;
}
// Install the ACPI Table
if (Valid) {
Status = AcpiProtocol->InstallAcpiTable (
AcpiProtocol,
AcpiTable,
AcpiTableSize,
&AcpiTableKey
);
}
// Free memory allocated by ReadSection
gBS->FreePool (AcpiTable);
@ -144,3 +158,21 @@ FREE_HANDLE_BUFFER:
return EFI_SUCCESS;
}
/**
Locate and Install the ACPI tables from the Firmware Volume
@param AcpiFile Guid of the ACPI file into the Firmware Volume
@return EFI_SUCCESS The function completed successfully.
@return EFI_NOT_FOUND The protocol could not be located.
@return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.
**/
EFI_STATUS
LocateAndInstallAcpiFromFv (
IN CONST EFI_GUID* AcpiFile
)
{
return LocateAndInstallAcpiFromFvConditional (AcpiFile, NULL);
}