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Update kernel

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This commit is contained in:
Alex
2023-06-10 13:11:25 +03:00
parent dcdba03426
commit 41db477173
82 changed files with 6342 additions and 4079 deletions
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149
Architecture/amd64/Memory/VirtualMemoryManager.cpp
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@ -29,15 +29,15 @@ namespace Memory
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 PML4 = this->Table->Entries[Index.PMLIndex];
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
PageDirectoryPointerTableEntryPtr *PDPTE = nullptr;
PageDirectoryEntryPtr *PDE = nullptr;
PageTableEntryPtr *PTE = nullptr;
if ((PML4.raw & Flag) > 0)
if ((PML4->raw & Flag) > 0)
{
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4.GetAddress() << 12);
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->GetAddress() << 12);
if (PDPTE)
{
if ((PDPTE->Entries[Index.PDPTEIndex].Present))
@ -74,15 +74,15 @@ namespace Memory
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 PML4 = this->Table->Entries[Index.PMLIndex];
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
PageDirectoryPointerTableEntryPtr *PDPTE = nullptr;
PageDirectoryEntryPtr *PDE = nullptr;
PageTableEntryPtr *PTE = nullptr;
if (PML4.Present)
if (PML4->Present)
{
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4.GetAddress() << 12);
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->GetAddress() << 12);
if (PDPTE)
{
if (PDPTE->Entries[Index.PDPTEIndex].Present)
@ -112,6 +112,135 @@ namespace Memory
return nullptr;
}
Virtual::MapType Virtual::GetMapType(void *VirtualAddress)
{
// 0x1000 aligned
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
PageDirectoryPointerTableEntryPtr *PDPTE = nullptr;
PageDirectoryEntryPtr *PDE = nullptr;
PageTableEntryPtr *PTE = nullptr;
if (PML4->Present)
{
PDPTE = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->GetAddress() << 12);
if (PDPTE)
{
if (PDPTE->Entries[Index.PDPTEIndex].Present)
{
if (PDPTE->Entries[Index.PDPTEIndex].PageSize)
return MapType::OneGB;
PDE = (PageDirectoryEntryPtr *)((uintptr_t)PDPTE->Entries[Index.PDPTEIndex].GetAddress() << 12);
if (PDE)
{
if (PDE->Entries[Index.PDEIndex].Present)
{
if (PDE->Entries[Index.PDEIndex].PageSize)
return MapType::TwoMB;
PTE = (PageTableEntryPtr *)((uintptr_t)PDE->Entries[Index.PDEIndex].GetAddress() << 12);
if (PTE)
{
if (PTE->Entries[Index.PTEIndex].Present)
return MapType::FourKB;
}
}
}
}
}
}
return MapType::NoMapType;
}
PageMapLevel5 *Virtual::GetPML5(void *VirtualAddress, MapType Type)
{
stub; /* TODO */
return nullptr;
}
PageMapLevel4 *Virtual::GetPML4(void *VirtualAddress, MapType Type)
{
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
if (PML4->Present)
return PML4;
return nullptr;
}
PageDirectoryPointerTableEntry *Virtual::GetPDPTE(void *VirtualAddress, MapType Type)
{
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
if (!PML4->Present)
return nullptr;
PageDirectoryPointerTableEntryPtr *PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->Address << 12);
PageDirectoryPointerTableEntry *PDPTE = &PDPTEPtr->Entries[Index.PDPTEIndex];
if (PDPTE->Present)
return PDPTE;
return nullptr;
}
PageDirectoryEntry *Virtual::GetPDE(void *VirtualAddress, MapType Type)
{
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
if (!PML4->Present)
return nullptr;
PageDirectoryPointerTableEntryPtr *PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->Address << 12);
PageDirectoryPointerTableEntry *PDPTE = &PDPTEPtr->Entries[Index.PDPTEIndex];
if (!PDPTE->Present)
return nullptr;
PageDirectoryEntryPtr *PDEPtr = (PageDirectoryEntryPtr *)(PDPTE->GetAddress() << 12);
PageDirectoryEntry *PDE = &PDEPtr->Entries[Index.PDEIndex];
if (PDE->Present)
return PDE;
return nullptr;
}
PageTableEntry *Virtual::GetPTE(void *VirtualAddress, MapType Type)
{
uintptr_t Address = (uintptr_t)VirtualAddress;
Address &= 0xFFFFFFFFFFFFF000;
PageMapIndexer Index = PageMapIndexer(Address);
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
if (!PML4->Present)
return nullptr;
PageDirectoryPointerTableEntryPtr *PDPTEPtr = (PageDirectoryPointerTableEntryPtr *)((uintptr_t)PML4->Address << 12);
PageDirectoryPointerTableEntry *PDPTE = &PDPTEPtr->Entries[Index.PDPTEIndex];
if (!PDPTE->Present)
return nullptr;
PageDirectoryEntryPtr *PDEPtr = (PageDirectoryEntryPtr *)(PDPTE->GetAddress() << 12);
PageDirectoryEntry *PDE = &PDEPtr->Entries[Index.PDEIndex];
if (!PDE->Present)
return nullptr;
PageTableEntryPtr *PTEPtr = (PageTableEntryPtr *)(PDE->GetAddress() << 12);
PageTableEntry *PTE = &PTEPtr->Entries[Index.PTEIndex];
if (PTE->Present)
return PTE;
return nullptr;
}
void Virtual::Map(void *VirtualAddress, void *PhysicalAddress, uint64_t Flags, MapType Type)
{
SmartLock(this->MemoryLock);
@ -234,7 +363,7 @@ namespace Memory
PageMapLevel4 *PML4 = &this->Table->Entries[Index.PMLIndex];
if (!PML4->Present)
{
error("Page %#lx not present", PML4->GetAddress());
warn("Page %#lx not present", PML4->GetAddress());
return;
}
@ -242,7 +371,7 @@ namespace Memory
PageDirectoryPointerTableEntry *PDPTE = &PDPTEPtr->Entries[Index.PDPTEIndex];
if (!PDPTE->Present)
{
error("Page %#lx not present", PDPTE->GetAddress());
warn("Page %#lx not present", PDPTE->GetAddress());
return;
}
@ -256,7 +385,7 @@ namespace Memory
PageDirectoryEntry *PDE = &PDEPtr->Entries[Index.PDEIndex];
if (!PDE->Present)
{
error("Page %#lx not present", PDE->GetAddress());
warn("Page %#lx not present", PDE->GetAddress());
return;
}
@ -270,7 +399,7 @@ namespace Memory
PageTableEntry PTE = PTEPtr->Entries[Index.PTEIndex];
if (!PTE.Present)
{
error("Page %#lx not present", PTE.GetAddress());
warn("Page %#lx not present", PTE.GetAddress());
return;
}