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/** @file
Configuration Manager object token fixer
Copyright (c) 2021, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@par Glossary:
- Cm or CM - Configuration Manager
- Obj or OBJ - Object
**/
#include <Library/DebugLib.h>
#include <Protocol/ConfigurationManagerProtocol.h>
#include "CmObjectTokenFixer.h"
/** Token fixer not implemented.
Most of the objects are not generated by this parser. Add the missing
functions when needed.
CmObjectToken fixer function that updates the Tokens in the CmObjects.
@param [in] CmObject Pointer to the Configuration Manager Object.
@param [in] Token Token to be updated in the CmObject.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
@retval EFI_UNSUPPORTED Not supported.
**/
STATIC
EFI_STATUS
EFIAPI
TokenFixerNotImplemented (
IN CM_OBJ_DESCRIPTOR *CmObject,
IN CM_OBJECT_TOKEN Token
)
{
ASSERT (0);
return EFI_UNSUPPORTED;
}
/** EArmObjItsGroup token fixer.
CmObjectToken fixer function that updates the Tokens in the CmObjects.
@param [in] CmObject Pointer to the Configuration Manager Object.
@param [in] Token Token to be updated in the CmObject.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
@retval EFI_UNSUPPORTED Not supported.
**/
STATIC
EFI_STATUS
EFIAPI
TokenFixerItsGroup (
IN CM_OBJ_DESCRIPTOR *CmObject,
IN CM_OBJECT_TOKEN Token
)
{
ASSERT (CmObject != NULL);
((CM_ARM_ITS_GROUP_NODE *)CmObject)->Token = Token;
return EFI_SUCCESS;
}
/** TokenFixer functions table.
A CmObj having a CM_OBJECT_TOKEN field might need to have its
Token fixed. Each CmObj can have its Token in a specific way.
*/
CONST
CM_OBJECT_TOKEN_FIXER TokenFixer[EArmObjMax] = {
NULL, ///< 0 - Reserved
NULL, ///< 1 - Boot Architecture Info
NULL, ///< 2 - CPU Info
NULL, ///< 3 - Power Management Profile Info
NULL, ///< 4 - GIC CPU Interface Info
NULL, ///< 5 - GIC Distributor Info
NULL, ///< 6 - GIC MSI Frame Info
NULL, ///< 7 - GIC Redistributor Info
NULL, ///< 8 - GIC ITS Info
NULL, ///< 9 - Serial Console Port Info
NULL, ///< 10 - Serial Debug Port Info
NULL, ///< 11 - Generic Timer Info
NULL, ///< 12 - Platform GT Block Info
NULL, ///< 13 - Generic Timer Block Frame Info
NULL, ///< 14 - Platform Generic Watchdog
NULL, ///< 15 - PCI Configuration Space Info
NULL, ///< 16 - Hypervisor Vendor Id
NULL, ///< 17 - Fixed feature flags for FADT
TokenFixerItsGroup, ///< 18 - ITS Group
TokenFixerNotImplemented, ///< 19 - Named Component
TokenFixerNotImplemented, ///< 20 - Root Complex
TokenFixerNotImplemented, ///< 21 - SMMUv1 or SMMUv2
TokenFixerNotImplemented, ///< 22 - SMMUv3
TokenFixerNotImplemented, ///< 23 - PMCG
NULL, ///< 24 - GIC ITS Identifier Array
NULL, ///< 25 - ID Mapping Array
NULL, ///< 26 - SMMU Interrupt Array
TokenFixerNotImplemented, ///< 27 - Processor Hierarchy Info
TokenFixerNotImplemented, ///< 28 - Cache Info
TokenFixerNotImplemented, ///< 29 - Processor Node ID Info
NULL, ///< 30 - CM Object Reference
NULL, ///< 31 - Memory Affinity Info
NULL, ///< 32 - Device Handle Acpi
NULL, ///< 33 - Device Handle Pci
NULL, ///< 34 - Generic Initiator Affinity
NULL, ///< 35 - Generic Serial Port Info
NULL, ///< 36 - CMN-600 Info
NULL, ///< 37 - Lpi Info
NULL, ///< 38 - Pci Address Map Info
NULL, ///< 39 - Pci Interrupt Map Info
};
/** CmObj token fixer.
Some CmObj structures have a self-token, i.e. they are storing their own
token value in the CmObj. Dynamically created CmObj need to have their
self-token assigned at some point.
@param [in] CmObjDesc Pointer to the Configuration Manager Object.
@param [in] Token Token to update the CmObjDesc with.
@retval EFI_SUCCESS Success.
@retval EFI_INVALID_PARAMETER A parameter is invalid.
@retval EFI_UNSUPPORTED Not supported.
**/
EFI_STATUS
EFIAPI
FixupCmObjectSelfToken (
IN CM_OBJ_DESCRIPTOR *CmObjDesc,
IN CM_OBJECT_TOKEN Token
)
{
EFI_STATUS Status;
CM_OBJECT_TOKEN_FIXER TokenFixerFunc;
CM_OBJECT_ID ArmNamespaceObjId;
// Only support Arm objects for now.
if ((CmObjDesc == NULL) ||
(GET_CM_NAMESPACE_ID (CmObjDesc->ObjectId) != EObjNameSpaceArm))
{
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
ArmNamespaceObjId = GET_CM_OBJECT_ID (CmObjDesc->ObjectId);
if (ArmNamespaceObjId >= EArmObjMax) {
ASSERT (0);
return EFI_INVALID_PARAMETER;
}
// Fixup self-token if necessary.
TokenFixerFunc = TokenFixer[ArmNamespaceObjId];
if (TokenFixerFunc != NULL) {
Status = TokenFixerFunc (CmObjDesc, Token);
if (EFI_ERROR (Status)) {
ASSERT (0);
return Status;
}
}
return EFI_SUCCESS;
}
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