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Oops, SetFlag() should not clear the entire data

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This commit is contained in:
Alex
2022-12-05 06:02:25 +02:00
parent 2d1c42fbcd
commit 0116fd3b38
2 changed files with 5 additions and 1 deletions
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4
Core/Memory/VirtualMemoryManager.cpp
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@ -57,6 +57,7 @@ namespace Memory
{
PDP = (PageTable *)KernelAllocator.RequestPage();
memset(PDP, 0, PAGE_SIZE);
PDE.ClearFlags();
PDE.SetFlag(PTFlag::P, true);
PDE.AddFlag(Flags);
PDE.SetAddress((uint64_t)PDP >> 12);
@ -71,6 +72,7 @@ namespace Memory
{
PD = (PageTable *)KernelAllocator.RequestPage();
memset(PD, 0, PAGE_SIZE);
PDE.ClearFlags();
PDE.SetFlag(PTFlag::P, true);
PDE.AddFlag(Flags);
PDE.SetAddress((uint64_t)PD >> 12);
@ -85,6 +87,7 @@ namespace Memory
{
PT = (PageTable *)KernelAllocator.RequestPage();
memset(PT, 0, PAGE_SIZE);
PDE.ClearFlags();
PDE.SetFlag(PTFlag::P, true);
PDE.AddFlag(Flags);
PDE.SetAddress((uint64_t)PT >> 12);
@ -94,6 +97,7 @@ namespace Memory
PT = (PageTable *)((uint64_t)PDE.GetAddress() << 12);
PDE = PT->Entries[Index.PIndex];
PDE.ClearFlags();
PDE.SetFlag(PTFlag::P, true);
PDE.AddFlag(Flags);
PDE.SetAddress((uint64_t)PhysicalAddress >> 12);