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Store interrupt in resource list returned by HalpAssignPciSlotResources

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svn path=/trunk/; revision=6535
This commit is contained in:
Gé van Geldorp 2003-11-05 22:39:01 +00:00
parent 7a2ebc71ae
commit b2a4140643
1 changed files with 53 additions and 28 deletions
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81
reactos/hal/halx86/pci.c
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@ -1,4 +1,4 @@
/* $Id: pci.c,v 1.9 2003/04/26 07:06:54 hbirr Exp $
/* $Id: pci.c,v 1.10 2003/11/05 22:39:01 gvg Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -611,9 +611,10 @@ HalpAssignPciSlotResources(IN PBUS_HANDLER BusHandler,
IN ULONG SlotNumber,
IN OUT PCM_RESOURCE_LIST *AllocatedResources)
{
ULONG DataSize;
PCI_COMMON_CONFIG PciConfig;
UINT Address;
UINT NoAddresses;
ULONG BaseAddresses[PCI_TYPE0_ADDRESSES];
UINT ResourceCount;
ULONG Size[PCI_TYPE0_ADDRESSES];
NTSTATUS Status = STATUS_SUCCESS;
UCHAR Offset;
@ -621,85 +622,97 @@ HalpAssignPciSlotResources(IN PBUS_HANDLER BusHandler,
/* FIXME: Should handle 64-bit addresses */
DataSize = HalpGetPciData(BusHandler,
BusNumber,
SlotNumber,
&PciConfig,
0,
PCI_COMMON_HDR_LENGTH);
if (PCI_COMMON_HDR_LENGTH != DataSize)
{
return STATUS_UNSUCCESSFUL;
}
/* Read the PCI configuration space for the device and store base address and
size information in temporary storage. Count the number of valid base addresses */
NoAddresses = 0;
ResourceCount = 0;
for (Address = 0; Address < PCI_TYPE0_ADDRESSES; Address++)
{
Offset = offsetof(PCI_COMMON_CONFIG, u.type0.BaseAddresses[Address]);
Status = ReadPciConfigUlong(BusNumber, SlotNumber,
Offset, BaseAddresses + Address);
if (! NT_SUCCESS(Status))
if (0xffffffff == PciConfig.u.type0.BaseAddresses[Address])
{
return Status;
PciConfig.u.type0.BaseAddresses[Address] = 0;
}
if (0xffffffff == BaseAddresses[Address])
if (0 != PciConfig.u.type0.BaseAddresses[Address])
{
BaseAddresses[Address] = 0;
}
if (0 != BaseAddresses[Address])
{
NoAddresses++;
ResourceCount++;
Offset = offsetof(PCI_COMMON_CONFIG, u.type0.BaseAddresses[Address]);
Status = WritePciConfigUlong(BusNumber, SlotNumber, Offset, 0xffffffff);
if (! NT_SUCCESS(Status))
{
WritePciConfigUlong(BusNumber, SlotNumber, Offset, BaseAddresses[Address]);
WritePciConfigUlong(BusNumber, SlotNumber, Offset,
PciConfig.u.type0.BaseAddresses[Address]);
return Status;
}
Status = ReadPciConfigUlong(BusNumber, SlotNumber,
Offset, Size + Address);
if (! NT_SUCCESS(Status))
{
WritePciConfigUlong(BusNumber, SlotNumber, Offset, BaseAddresses[Address]);
WritePciConfigUlong(BusNumber, SlotNumber, Offset,
PciConfig.u.type0.BaseAddresses[Address]);
return Status;
}
Status = WritePciConfigUlong(BusNumber, SlotNumber, Offset, BaseAddresses[Address]);
Status = WritePciConfigUlong(BusNumber, SlotNumber, Offset,
PciConfig.u.type0.BaseAddresses[Address]);
if (! NT_SUCCESS(Status))
{
return Status;
}
}
}
if (0 != PciConfig.u.type0.InterruptLine)
{
ResourceCount++;
}
/* Allocate output buffer and initialize */
*AllocatedResources = ExAllocatePoolWithTag(PagedPool,
sizeof(CM_RESOURCE_LIST) +
(NoAddresses - 1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR),
(ResourceCount - 1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR),
TAG_PCI);
if (NULL == *AllocatedResources)
{
return STATUS_NO_MEMORY;
return STATUS_NO_MEMORY;
}
(*AllocatedResources)->Count = 1;
(*AllocatedResources)->List[0].InterfaceType = PCIBus;
(*AllocatedResources)->List[0].BusNumber = BusNumber;
(*AllocatedResources)->List[0].PartialResourceList.Version = 1;
(*AllocatedResources)->List[0].PartialResourceList.Revision = 1;
(*AllocatedResources)->List[0].PartialResourceList.Count = NoAddresses;
(*AllocatedResources)->List[0].PartialResourceList.Count = ResourceCount;
Descriptor = (*AllocatedResources)->List[0].PartialResourceList.PartialDescriptors;
/* Store configuration information */
for (Address = 0; Address < PCI_TYPE0_ADDRESSES; Address++)
{
if (0 != BaseAddresses[Address])
if (0 != PciConfig.u.type0.BaseAddresses[Address])
{
if (PCI_BASE_ADDRESS_SPACE_MEMORY ==
(BaseAddresses[Address] & PCI_BASE_ADDRESS_SPACE))
(PciConfig.u.type0.BaseAddresses[Address] & PCI_BASE_ADDRESS_SPACE))
{
Descriptor->Type = CmResourceTypeMemory;
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive; /* FIXME I have no idea... */
Descriptor->Flags = CM_RESOURCE_MEMORY_READ_WRITE; /* FIXME Just a guess */
Descriptor->u.Memory.Start.QuadPart = (BaseAddresses[Address] & PCI_BASE_ADDRESS_MEM_MASK);
Descriptor->u.Memory.Start.QuadPart = (PciConfig.u.type0.BaseAddresses[Address] & PCI_BASE_ADDRESS_MEM_MASK);
Descriptor->u.Memory.Length = PciSize(Size[Address], PCI_BASE_ADDRESS_MEM_MASK);
}
else if (PCI_BASE_ADDRESS_SPACE_IO ==
(BaseAddresses[Address] & PCI_BASE_ADDRESS_SPACE))
(PciConfig.u.type0.BaseAddresses[Address] & PCI_BASE_ADDRESS_SPACE))
{
Descriptor->Type = CmResourceTypePort;
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive; /* FIXME I have no idea... */
Descriptor->Flags = CM_RESOURCE_PORT_IO; /* FIXME Just a guess */
Descriptor->u.Port.Start.QuadPart = BaseAddresses[Address] &= PCI_BASE_ADDRESS_IO_MASK;
Descriptor->u.Port.Start.QuadPart = PciConfig.u.type0.BaseAddresses[Address] &= PCI_BASE_ADDRESS_IO_MASK;
Descriptor->u.Port.Length = PciSize(Size[Address], PCI_BASE_ADDRESS_IO_MASK & 0xffff);
}
else
@ -711,7 +724,19 @@ HalpAssignPciSlotResources(IN PBUS_HANDLER BusHandler,
}
}
assert(Descriptor == (*AllocatedResources)->List[0].PartialResourceList.PartialDescriptors + NoAddresses);
if (0 != PciConfig.u.type0.InterruptLine)
{
Descriptor->Type = CmResourceTypeInterrupt;
Descriptor->ShareDisposition = CmResourceShareShared; /* FIXME Just a guess */
Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE; /* FIXME Just a guess */
Descriptor->u.Interrupt.Level = PciConfig.u.type0.InterruptLine;
Descriptor->u.Interrupt.Vector = PciConfig.u.type0.InterruptLine;
Descriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
Descriptor++;
}
assert(Descriptor == (*AllocatedResources)->List[0].PartialResourceList.PartialDescriptors + ResourceCount);
/* FIXME: Should store the resources in the registry resource map */