271     UINT8                   *TablePtr;  in AcpiFindRootPointer()  local
281     TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
284     if (!TablePtr)  in AcpiFindRootPointer()
293     ACPI_MOVE_16_TO_32 (&PhysicalAddress, TablePtr);  in AcpiFindRootPointer()
298     AcpiOsUnmapMemory (TablePtr, ACPI_EBDA_PTR_LENGTH);  in AcpiFindRootPointer()
308         TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
311         if (!TablePtr)  in AcpiFindRootPointer()
321             TablePtr, ACPI_EBDA_WINDOW_SIZE);  in AcpiFindRootPointer()
322         AcpiOsUnmapMemory (TablePtr, ACPI_EBDA_WINDOW_SIZE);  in AcpiFindRootPointer()
329                 (UINT32) ACPI_PTR_DIFF (MemRover, TablePtr);  in AcpiFindRootPointer()
339     TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
343     if (!TablePtr)  in AcpiFindRootPointer()
353         TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);  in AcpiFindRootPointer()
354     AcpiOsUnmapMemory (TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);  in AcpiFindRootPointer()
361             (ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (MemRover, TablePtr));  in AcpiFindRootPointer()