Changeset 107124 in vbox

Timestamp:

Nov 22, 2024 3:47:28 PM (8 weeks ago)

Author:

vboxsync

Message:

Devices/EFI/Firmware: Precaution to not add an entry for the MMIO region if it has a 0 length, bugref:10732

File:

• trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/Library/VBoxVirtMemInfoLib/VBoxVirtMemInfoLib.c (modified) (1 diff)

trunk/src/VBox/Devices/EFI/Firmware/VBoxPkg/Library/VBoxVirtMemInfoLib/VBoxVirtMemInfoLib.c

@@ -111 +111 @@
 
   // Memory mapped peripherals
-  VirtualMemoryTable[idxMemDesc].PhysicalBase = VBoxArmPlatformMmioStartGetPhysAddr();
-  VirtualMemoryTable[idxMemDesc].VirtualBase  = VirtualMemoryTable[idxMemDesc].PhysicalBase;
-  VirtualMemoryTable[idxMemDesc].Length       = VBoxArmPlatformMmioSizeGet();
-  VirtualMemoryTable[idxMemDesc].Attributes   = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
-  idxMemDesc++;
+  if (VBoxArmPlatformMmioSizeGet() != 0)
+  {
+    VirtualMemoryTable[idxMemDesc].PhysicalBase = VBoxArmPlatformMmioStartGetPhysAddr();
+    VirtualMemoryTable[idxMemDesc].VirtualBase  = VirtualMemoryTable[idxMemDesc].PhysicalBase;
+    VirtualMemoryTable[idxMemDesc].Length       = VBoxArmPlatformMmioSizeGet();
+    VirtualMemoryTable[idxMemDesc].Attributes   = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+    idxMemDesc++;
+  }
 
   // Map the FV region as normal executable memory