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This commit is contained in:
Alex
2022-12-21 00:43:51 +02:00
parent 684b76a1ca
commit a677f3c159
62 changed files with 471 additions and 448 deletions
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46
Core/Memory/VirtualMemoryManager.cpp
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@ -8,10 +8,10 @@ namespace Memory
bool Virtual::Check(void *VirtualAddress, PTFlag Flag)
{
// 0x1000 aligned
uint64_t Address = (uint64_t)VirtualAddress;
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer((uint64_t)Address);
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 PML4 = this->Table->Entries[Index.PMLIndex];
PageDirectoryPointerTableEntryPtr *PDPTE = nullptr;
@ -20,15 +20,15 @@ namespace Memory
if ((PML4.raw & Flag) > 0)
{
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uint64_t)PML4.GetAddress() << 12);
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4.GetAddress() << 12);
if (PDPTE)
if ((PDPTE->Entries[Index.PDPTEIndex].Present))
{
PDE = (PageDirectoryEntryPtr *)((uint64_t)PDPTE->Entries[Index.PDPTEIndex].GetAddress() << 12);
PDE = (PageDirectoryEntryPtr *)((uintptr_t)PDPTE->Entries[Index.PDPTEIndex].GetAddress() << 12);
if (PDE)
if ((PDE->Entries[Index.PDEIndex].Present))
{
PTE = (PageTableEntryPtr *)((uint64_t)PDE->Entries[Index.PDEIndex].GetAddress() << 12);
PTE = (PageTableEntryPtr *)((uintptr_t)PDE->Entries[Index.PDEIndex].GetAddress() << 12);
if (PTE)
if ((PTE->Entries[Index.PTEIndex].Present))
{
@ -49,7 +49,7 @@ namespace Memory
return;
}
PageMapIndexer Index = PageMapIndexer((uint64_t)VirtualAddress);
PageMapIndexer Index = PageMapIndexer((uintptr_t)VirtualAddress);
// Clear any flags that are not 1 << 0 (Present) - 1 << 5 (Accessed) because rest are for page table entries only
uint64_t DirectoryFlags = Flags & 0x3F;
@ -60,10 +60,10 @@ namespace Memory
PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)KernelAllocator.RequestPage();
memset(PDPTEPtr, 0, PAGE_SIZE);
PML4.Present = true;
PML4.SetAddress((uint64_t)PDPTEPtr >> 12);
PML4.SetAddress((uintptr_t)PDPTEPtr >> 12);
}
else
PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uint64_t)PML4.GetAddress() << 12);
PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4.GetAddress() << 12);
PML4.raw |= DirectoryFlags;
this->Table->Entries[Index.PMLIndex] = PML4;
@ -74,10 +74,10 @@ namespace Memory
PDEPtr = (PageDirectoryEntryPtr *)KernelAllocator.RequestPage();
memset(PDEPtr, 0, PAGE_SIZE);
PDPTE.Present = true;
PDPTE.SetAddress((uint64_t)PDEPtr >> 12);
PDPTE.SetAddress((uintptr_t)PDEPtr >> 12);
}
else
PDEPtr = (PageDirectoryEntryPtr *)((uint64_t)PDPTE.GetAddress() << 12);
PDEPtr = (PageDirectoryEntryPtr *)((uintptr_t)PDPTE.GetAddress() << 12);
PDPTE.raw |= DirectoryFlags;
PDPTEPtr->Entries[Index.PDPTEIndex] = PDPTE;
@ -88,17 +88,17 @@ namespace Memory
PTEPtr = (PageTableEntryPtr *)KernelAllocator.RequestPage();
memset(PTEPtr, 0, PAGE_SIZE);
PDE.Present = true;
PDE.SetAddress((uint64_t)PTEPtr >> 12);
PDE.SetAddress((uintptr_t)PTEPtr >> 12);
}
else
PTEPtr = (PageTableEntryPtr *)((uint64_t)PDE.GetAddress() << 12);
PTEPtr = (PageTableEntryPtr *)((uintptr_t)PDE.GetAddress() << 12);
PDE.raw |= DirectoryFlags;
PDEPtr->Entries[Index.PDEIndex] = PDE;
PageTableEntry PTE = PTEPtr->Entries[Index.PTEIndex];
PTE.Present = true;
PTE.raw |= Flags;
PTE.SetAddress((uint64_t)PhysicalAddress >> 12);
PTE.SetAddress((uintptr_t)PhysicalAddress >> 12);
PTEPtr->Entries[Index.PTEIndex] = PTE;
#if defined(__amd64__)
@ -133,10 +133,10 @@ namespace Memory
#endif
}
void Virtual::Map(void *VirtualAddress, void *PhysicalAddress, uint64_t PageCount, uint64_t Flags)
void Virtual::Map(void *VirtualAddress, void *PhysicalAddress, size_t PageCount, uint64_t Flags)
{
for (uint64_t i = 0; i < PageCount; i++)
this->Map((void *)((uint64_t)VirtualAddress + (i * PAGE_SIZE)), (void *)((uint64_t)PhysicalAddress + (i * PAGE_SIZE)), Flags);
for (size_t i = 0; i < PageCount; i++)
this->Map((void *)((uintptr_t)VirtualAddress + (i * PAGE_SIZE)), (void *)((uintptr_t)PhysicalAddress + (i * PAGE_SIZE)), Flags);
}
void Virtual::Unmap(void *VirtualAddress)
@ -148,28 +148,28 @@ namespace Memory
return;
}
PageMapIndexer Index = PageMapIndexer((uint64_t)VirtualAddress);
PageMapIndexer Index = PageMapIndexer((uintptr_t)VirtualAddress);
PageMapLevel4 PML4 = this->Table->Entries[Index.PMLIndex];
if (!PML4.Present)
{
error("Page not present");
return;
}
PageDirectoryPointerTableEntryPtr *PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uint64_t)PML4.Address << 12);
PageDirectoryPointerTableEntryPtr *PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4.Address << 12);
PageDirectoryPointerTableEntry PDPTE = PDPTEPtr->Entries[Index.PDPTEIndex];
if (!PDPTE.Present)
{
error("Page not present");
return;
}
PageDirectoryEntryPtr *PDEPtr = (PageDirectoryEntryPtr *)((uint64_t)PDPTE.Address << 12);
PageDirectoryEntryPtr *PDEPtr = (PageDirectoryEntryPtr *)((uintptr_t)PDPTE.Address << 12);
PageDirectoryEntry PDE = PDEPtr->Entries[Index.PDEIndex];
if (!PDE.Present)
{
error("Page not present");
return;
}
PageTableEntryPtr *PTEPtr = (PageTableEntryPtr *)((uint64_t)PDE.Address << 12);
PageTableEntryPtr *PTEPtr = (PageTableEntryPtr *)((uintptr_t)PDE.Address << 12);
PageTableEntry PTE = PTEPtr->Entries[Index.PTEIndex];
if (!PTE.Present)
{
@ -195,10 +195,10 @@ namespace Memory
#endif
}
void Virtual::Unmap(void *VirtualAddress, uint64_t PageCount)
void Virtual::Unmap(void *VirtualAddress, size_t PageCount)
{
for (uint64_t i = 0; i < PageCount; i++)
this->Unmap((void *)((uint64_t)VirtualAddress + (i * PAGE_SIZE)));
for (size_t i = 0; i < PageCount; i++)
this->Unmap((void *)((uintptr_t)VirtualAddress + (i * PAGE_SIZE)));
}
void Virtual::Remap(void *VirtualAddress, void *PhysicalAddress, uint64_t Flags)