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Refactor memory layout structure
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This commit is contained in:
Aiken Harris
2026-01-29 22:10:26 +01:00
parent 72f34c8286
commit 58669d3074
10 changed files with 67 additions and 47 deletions
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8
xtoskrnl/mm/i686/pfn.cc
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@@ -39,17 +39,17 @@ MM::Pfn::InitializePfnDatabase(VOID)
MemoryLayout = MM::Manager::GetMemoryLayout();
/* Get the PFN database size and calculate the end of the PFN database virtual address space */
PfnDatabaseEnd = (PUCHAR)MemoryLayout->PfnDatabaseAddress + (PfnDatabaseSize * MM_PAGE_SIZE) - 1;
PfnDatabaseEnd = (PUCHAR)MemoryLayout->PfnDatabase + (PfnDatabaseSize * MM_PAGE_SIZE) - 1;
/* Get a template PTE for mapping the PFN database pages */
ValidPte = MM::Pte::GetValidPte();
/* Map the Page Directory and Page Directory Pointer tables for the PFN database */
MM::Pte::MapPDE(MemoryLayout->PfnDatabaseAddress, PfnDatabaseEnd, ValidPte);
MM::Pte::MapPTE(MemoryLayout->PfnDatabaseAddress, PfnDatabaseEnd, ValidPte);
MM::Pte::MapPDE(MemoryLayout->PfnDatabase, PfnDatabaseEnd, ValidPte);
MM::Pte::MapPTE(MemoryLayout->PfnDatabase, PfnDatabaseEnd, ValidPte);
/* Zero PFN database virtual space */
RTL::Memory::ZeroMemory(MemoryLayout->PfnDatabaseAddress, PfnDatabaseSize * MM_PAGE_SIZE);
RTL::Memory::ZeroMemory(MemoryLayout->PfnDatabase, PfnDatabaseSize * MM_PAGE_SIZE);
/* Initialize the color tables */
MM::Colors::InitializeColorTables();