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Kernel/Memory: Remove x86 LAPIC address hack

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MM is now able to handle MMIO after our "highest_phyisical_address".
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Sönke Holz 2024-08-06 18:44:27 +02:00 committed by Nico Weber
parent 810f2e7f29
commit ab44530304
1 changed files with 0 additions and 4 deletions
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4
Kernel/Memory/MemoryManager.cpp
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@ -640,10 +640,6 @@ UNMAP_AFTER_INIT void MemoryManager::initialize_physical_pages()
m_global_data.with([&](auto& global_data) {
// We assume that the physical page range is contiguous and doesn't contain huge gaps!
PhysicalAddress highest_physical_address;
#if ARCH(X86_64)
// On x86 LAPIC is at 0xfee00000 or a similar address. Round up to 0x100000000LL to cover variations.
highest_physical_address = PhysicalAddress { 0x100000000LL };
#endif
for (auto& range : global_data.used_memory_ranges) {
if (range.end.get() > highest_physical_address.get())
highest_physical_address = range.end;