[hpoussin] 26992: Add a bus number to the PCI resource descriptor

Author: hpoussin
Date: Mon Jun  4 14:01:29 2007
New Revision: 26992

URL: http://svn.reactos.org/svn/reactos?rev=26992&view=rev
Log:
Add a bus number to the PCI resource descriptor

Modified:
    trunk/reactos/boot/freeldr/freeldr/arch/i386/hwpci.c

Modified: trunk/reactos/boot/freeldr/freeldr/arch/i386/hwpci.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/boot/freeldr/freeldr/arch/i...
==============================================================================
--- trunk/reactos/boot/freeldr/freeldr/arch/i386/hwpci.c (original)
+++ trunk/reactos/boot/freeldr/freeldr/arch/i386/hwpci.c Mon Jun  4 14:01:29 2007
@@ -182,8 +182,8 @@
    }

/* 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 @@
       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);