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Update PTE support to use safe write accessors
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This commit is contained in:
Aiken Harris
2025-12-28 23:39:08 +01:00
parent 04599161da
commit d891088b1a
1 changed files with 5 additions and 5 deletions
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10
xtoskrnl/mm/pte.cc
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@@ -2,7 +2,7 @@
* PROJECT: ExectOS * PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory * COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/mm/pte.cc * FILE: xtoskrnl/mm/pte.cc
* DESCRIPTION: Page table entry (PTE) support * DESCRIPTION: Page Table Entry (PTE) support
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com> * DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/ */
@@ -235,10 +235,10 @@ MM::Pte::MapPDE(PVOID StartAddress,
{ {
/* Map PDE */ /* Map PDE */
MM::Paging::SetPte(TemplatePde, MM::Pfn::AllocateBootstrapPages(1), 0); MM::Paging::SetPte(TemplatePde, MM::Pfn::AllocateBootstrapPages(1), 0);
*PointerPde = *TemplatePde; MM::Paging::WritePte(PointerPde, *TemplatePde);
/* Clear the page table */ /* Clear the page table */
RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPde), MM_PAGE_SIZE); RTL::Memory::ZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPde), MM_PAGE_SIZE);
} }
/* Get next table entry */ /* Get next table entry */
@@ -282,10 +282,10 @@ MM::Pte::MapPTE(PVOID StartAddress,
{ {
/* Map PTE */ /* Map PTE */
MM::Paging::SetPte(TemplatePte, MM::Pfn::AllocateBootstrapPages(1), 0); MM::Paging::SetPte(TemplatePte, MM::Pfn::AllocateBootstrapPages(1), 0);
*PointerPte = *TemplatePte; MM::Paging::WritePte(PointerPte, *TemplatePte);
/* Clear the page table */ /* Clear the page table */
RtlZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPte), MM_PAGE_SIZE); RTL::Memory::ZeroMemory(MM::Paging::GetPteVirtualAddress(PointerPte), MM_PAGE_SIZE);
} }
/* Get next table entry */ /* Get next table entry */