163     UINT8                   *TablePtr;  in AcpiFindRootPointer()  local
173     TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
176     if (!TablePtr)  in AcpiFindRootPointer()
185     ACPI_MOVE_16_TO_32 (&PhysicalAddress, TablePtr);  in AcpiFindRootPointer()
190     AcpiOsUnmapMemory (TablePtr, ACPI_EBDA_PTR_LENGTH);  in AcpiFindRootPointer()
200         TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
203         if (!TablePtr)  in AcpiFindRootPointer()
213             TablePtr, ACPI_EBDA_WINDOW_SIZE);  in AcpiFindRootPointer()
214         AcpiOsUnmapMemory (TablePtr, ACPI_EBDA_WINDOW_SIZE);  in AcpiFindRootPointer()
221                 (UINT32) ACPI_PTR_DIFF (MemRover, TablePtr);  in AcpiFindRootPointer()
231     TablePtr = AcpiOsMapMemory (  in AcpiFindRootPointer()
235     if (!TablePtr)  in AcpiFindRootPointer()
245         TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);  in AcpiFindRootPointer()
246     AcpiOsUnmapMemory (TablePtr, ACPI_HI_RSDP_WINDOW_SIZE);  in AcpiFindRootPointer()
253             (ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (MemRover, TablePtr));  in AcpiFindRootPointer()