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For Virtual() use KernelPageTable as page table

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This commit is contained in:
Alex
2023-03-20 00:11:10 +02:00
parent e008796515
commit 115557a551
4 changed files with 14 additions and 11 deletions
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8
Architecture/amd64/cpu/SymmetricMultiprocessing.cpp
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@ -85,15 +85,17 @@ 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().Map(0x0, 0x0, Memory::PTFlag::RW | Memory::PTFlag::US);
Memory::Virtual vma = Memory::Virtual(KernelPageTable);
vma.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++)
Memory::Virtual().Map((void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), (void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), Memory::PTFlag::RW | Memory::PTFlag::US);
vma.Map((void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), (void *)(TRAMPOLINE_START + (i * PAGE_SIZE)), Memory::PTFlag::RW | Memory::PTFlag::US);
memcpy((void *)TRAMPOLINE_START, &_trampoline_start, TrampolineLength);
POKE(volatile uint64_t, PAGE_TABLE) = CPU::x64::readcr3().raw;
POKE(volatile uint64_t, PAGE_TABLE) = (uint64_t)KernelPageTable;
POKE(volatile uint64_t, STACK) = (uint64_t)KernelAllocator.RequestPages(TO_PAGES(STACK_SIZE)) + STACK_SIZE;
POKE(volatile uint64_t, CORE) = i;