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Add a bus number to the PCI resource descriptor

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svn path=/trunk/; revision=26992
This commit is contained in:
Hervé Poussineau 2007-06-04 10:01:29 +00:00
parent 1c8c62aa42
commit 2a9396bf7f
1 changed files with 12 additions and 4 deletions
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16
reactos/boot/freeldr/freeldr/arch/i386/hwpci.c
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@ -182,8 +182,8 @@ DetectPciIrqRoutingTable(FRLDRHKEY BusKey)
}
/* Set 'Configuration Data' value */
Size = sizeof(CM_FULL_RESOURCE_DESCRIPTOR) +
Table->Size;
Size = FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors) +
2 * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) + Table->Size;
FullResourceDescriptor = MmAllocateMemory(Size);
if (FullResourceDescriptor == NULL)
{
@ -196,14 +196,22 @@ DetectPciIrqRoutingTable(FRLDRHKEY BusKey)
memset(FullResourceDescriptor, 0, Size);
FullResourceDescriptor->InterfaceType = Isa;
FullResourceDescriptor->BusNumber = 0;
FullResourceDescriptor->PartialResourceList.Count = 1;
FullResourceDescriptor->PartialResourceList.Version = 1;
FullResourceDescriptor->PartialResourceList.Revision = 1;
FullResourceDescriptor->PartialResourceList.Count = 2;
PartialDescriptor = &FullResourceDescriptor->PartialResourceList.PartialDescriptors[0];
PartialDescriptor->Type = CmResourceTypeBusNumber;
PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
PartialDescriptor->u.BusNumber.Start = 0;
PartialDescriptor->u.BusNumber.Length = 1;
PartialDescriptor = &FullResourceDescriptor->PartialResourceList.PartialDescriptors[1];
PartialDescriptor->Type = CmResourceTypeDeviceSpecific;
PartialDescriptor->ShareDisposition = CmResourceShareUndetermined;
PartialDescriptor->u.DeviceSpecificData.DataSize = Table->Size;
memcpy((PVOID)((ULONG_PTR)FullResourceDescriptor + sizeof(CM_FULL_RESOURCE_DESCRIPTOR)),
memcpy(&FullResourceDescriptor->PartialResourceList.PartialDescriptors[2],
Table,
Table->Size);