});
final Address acpiStart = arch.getStart(ACPI);
final Address acpiEnd = arch.getEnd(ACPI);
// First unmap the entire ACPI region
arch.munmap(ACPI, acpiStart, acpiEnd.toWord().sub(acpiStart.toWord()).toExtent());
this.acpiVirtStart = acpiStart;
MemoryMapEntry lastAcpiEntry = null;
Address start = acpiStart;
for (MemoryMapEntry e : mmap) {