122 lines
6.9 KiB
C
122 lines
6.9 KiB
C
/** @file
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DXE Chipset Services Library.
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This file contains only one function that is IrqRoutingInformation().
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The function DxeCsSvcIrqRoutingInformation() use chipset services to return
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four table for InitGetRoutingTable ().
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;***************************************************************************
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;* Copyright (c) 2014, Insyde Software Corp. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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#include <Library/BaseLib.h>
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#include <Library/PcdLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <IrqRoutingInformation.h>
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//#include <Library/PchPlatformLib.h>
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#include <Library/PchInfoLib.h>
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#include <ChipsetIrqRoutingEntry.h>
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/**
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Provide IRQ Routing table according to platform specific information.
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@param[OUT] VirtualBusTablePtr A pointer to the VirtualBusTable that list all bridges in this platform
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and bridges' virtual secondary bus.
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@param[OUT] VirtualBusTableEntryNumber A pointer to the VirtualBusTable entry number.
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@param[OUT] IrqPoolTablePtr, A pointer to the IRQ Pool Table.
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@param[OUT] IrqPoolTableNumber, A pointer to the IRQ Pool Table entry number.
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@param[OUT] PirqPriorityTable, A pointer to the PIRQ priority used Table.
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@param[OUT] PirqPriorityTableEntryNumber A pointer to the PIRQ priority used Table entry number.
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@param[OUT] IrqTablePtr A pointer to the IRQ routing Table.
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@retval EFI_SUCCESS Get Platform specific IRQ Routing Info successfully..
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@retval EFI_UNSUPPORTED If the function is not implemented.
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*/
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EFI_STATUS
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IrqRoutingInformation (
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OUT LEGACY_MODIFY_PIR_TABLE **VirtualBusTablePtr,
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OUT UINT8 *VirtualBusTableEntryNumber,
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OUT EFI_LEGACY_IRQ_PRIORITY_TABLE_ENTRY **IrqPoolTablePtr,
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OUT UINT8 *IrqPoolTableNumber,
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OUT UINT8 **PirqPriorityTablePtr,
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OUT UINT8 *PirqPriorityTableEntryNumber,
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OUT IRQ_ROUTING_TABLE **IrqRoutingTableInfoPtr
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)
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{
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UINTN RoutingTableCount;
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UINTN Index;
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EFI_LEGACY_IRQ_ROUTING_ENTRY_AND_IP_REGISTER *RoutingTableAndIPRegisterPtrTemp;
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EFI_LEGACY_IRQ_ROUTING_ENTRY *IrqRoutingEntryPtr;
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EFI_LEGACY_PIRQ_TABLE_HEADER *IrqRoutingTableHeaderPtr;
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EFI_LEGACY_PIRQ_TABLE_HEADER IrqRoutingHeader = {
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0x52495024, 00, 01, 0000, 00, 00, 0000, 0x8086, 0x122e,
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00000000, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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};
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RoutingTableAndIPRegisterPtrTemp = NULL;
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IrqRoutingEntryPtr = NULL;
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RoutingTableCount = 0;
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Index = 0;
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*VirtualBusTablePtr = PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, PcdVirtualBusTable);
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*VirtualBusTableEntryNumber = (UINT8)(LibPcdGetExSize (&gChipsetPkgTokenSpaceGuid, PcdToken(PcdVirtualBusTable)) / sizeof (LEGACY_MODIFY_PIR_TABLE));
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*IrqPoolTablePtr = PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, PcdIrqPoolTable);
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*IrqPoolTableNumber = (UINT8)(LibPcdGetExSize (&gChipsetPkgTokenSpaceGuid, PcdToken(PcdIrqPoolTable)) / sizeof (EFI_LEGACY_IRQ_PRIORITY_TABLE_ENTRY));
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*PirqPriorityTablePtr = PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, PcdPirqPriorityTable);
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*PirqPriorityTableEntryNumber = (UINT8)(LibPcdGetExSize (&gChipsetPkgTokenSpaceGuid, PcdToken(PcdPirqPriorityTable)) / sizeof (UINT8));
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if (IsPchLp()) {
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RoutingTableAndIPRegisterPtrTemp = PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, PcdControllerDeviceIrqRoutingEntry);
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RoutingTableCount = (UINT8)(LibPcdGetExSize (&gChipsetPkgTokenSpaceGuid, PcdToken (PcdControllerDeviceIrqRoutingEntry)) / sizeof (EFI_LEGACY_IRQ_ROUTING_ENTRY_AND_IP_REGISTER));
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} else {
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RoutingTableAndIPRegisterPtrTemp = PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, Pcd2HControllerDeviceIrqRoutingEntry);
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RoutingTableCount = (UINT8)(LibPcdGetExSize (&gChipsetPkgTokenSpaceGuid, PcdToken (Pcd2HControllerDeviceIrqRoutingEntry)) / sizeof (EFI_LEGACY_IRQ_ROUTING_ENTRY_AND_IP_REGISTER));
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}
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(*IrqRoutingTableInfoPtr) = AllocateZeroPool (sizeof (IRQ_ROUTING_TABLE));
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if ((*IrqRoutingTableInfoPtr) == NULL) {
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return EFI_UNSUPPORTED;
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}
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//
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// Allocate a Buffer to assemble IrqRouting Header.
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//
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IrqRoutingTableHeaderPtr = AllocateZeroPool (sizeof (EFI_LEGACY_PIRQ_TABLE_HEADER) + sizeof (EFI_LEGACY_IRQ_ROUTING_ENTRY) * RoutingTableCount);
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if (IrqRoutingTableHeaderPtr == NULL) {
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FreePool(*IrqRoutingTableInfoPtr);
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return EFI_UNSUPPORTED;
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}
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(*IrqRoutingTableInfoPtr)->IrqRoutingTableHeaderPtr = CopyMem (IrqRoutingTableHeaderPtr, &IrqRoutingHeader, sizeof(EFI_LEGACY_PIRQ_TABLE_HEADER));
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IrqRoutingEntryPtr = (EFI_LEGACY_IRQ_ROUTING_ENTRY *)(IrqRoutingTableHeaderPtr + 1);
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for (Index = 0; Index < RoutingTableCount; Index++) {
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IrqRoutingEntryPtr[Index].Bus = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.Bus;
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IrqRoutingEntryPtr[Index].Device = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.Device;
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IrqRoutingEntryPtr[Index].PirqEntry[0].Pirq = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[0].Pirq ;
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IrqRoutingEntryPtr[Index].PirqEntry[0].IrqMask = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[0].IrqMask;
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IrqRoutingEntryPtr[Index].PirqEntry[1].Pirq = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[1].Pirq ;
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IrqRoutingEntryPtr[Index].PirqEntry[1].IrqMask = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[1].IrqMask;
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IrqRoutingEntryPtr[Index].PirqEntry[2].Pirq = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[2].Pirq ;
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IrqRoutingEntryPtr[Index].PirqEntry[2].IrqMask = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[2].IrqMask;
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IrqRoutingEntryPtr[Index].PirqEntry[3].Pirq = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[3].Pirq ;
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IrqRoutingEntryPtr[Index].PirqEntry[3].IrqMask = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.PirqEntry[3].IrqMask;
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IrqRoutingEntryPtr[Index].Slot = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.Slot;
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IrqRoutingEntryPtr[Index].Reserved = RoutingTableAndIPRegisterPtrTemp[Index].LeagcyIrqRoutingEntry.Reserved;
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}
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(*IrqRoutingTableInfoPtr)->IrqRoutingTablePtr = IrqRoutingEntryPtr;
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(*IrqRoutingTableInfoPtr)->MaxRoutingTableCount = RoutingTableCount;
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(*IrqRoutingTableInfoPtr)->PirqLinkValuePtr = (UINT8 *)PcdGetExPtr (&gChipsetPkgTokenSpaceGuid, PcdPirqLinkValueArray);
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return EFI_SUCCESS;
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}
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