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Add support for 2MB and 1GB map

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This commit is contained in:
Alex
2023-04-07 01:39:11 +03:00
parent 5becc15ed7
commit 540152a339
10 changed files with 239 additions and 116 deletions
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7
Architecture/amd64/cpu/SymmetricMultiprocessing.cpp
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@ -103,13 +103,10 @@ namespace SMP
((APIC::APIC *)Interrupts::apic[0])->Write(APIC::APIC_ICRHI, (((ACPI::MADT *)madt)->lapic[i]->APICId << 24));
((APIC::APIC *)Interrupts::apic[0])->Write(APIC::APIC_ICRLO, 0x500);
Memory::Virtual vma = Memory::Virtual(KernelPageTable);
vma.Map(0x0, 0x0, Memory::PTFlag::RW | Memory::PTFlag::US);
Memory::Virtual(KernelPageTable).Map(0x0, 0x0, Memory::PTFlag::RW | Memory::PTFlag::US);
uint64_t TrampolineLength = (uintptr_t)&_trampoline_end - (uintptr_t)&_trampoline_start;
for (uint64_t i = 0; i < (TrampolineLength / PAGE_SIZE) + 2; i++)
vma.Map((void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), (void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), Memory::PTFlag::RW | Memory::PTFlag::US);
Memory::Virtual(KernelPageTable).Map((void *)TRAMPOLINE_START, (void *)TRAMPOLINE_START, TrampolineLength, Memory::PTFlag::RW | Memory::PTFlag::US);
memcpy((void *)TRAMPOLINE_START, &_trampoline_start, TrampolineLength);