xt-sys/exectos
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Move PFN database size tracking to memory layout
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This commit is contained in:
Aiken Harris
2026-01-29 22:26:31 +01:00
parent 58669d3074
commit 5e3fb7a5a3
8 changed files with 26 additions and 41 deletions
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8
xtoskrnl/mm/i686/mmgr.cc
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@@ -21,7 +21,7 @@ VOID
MM::Manager::InitializeMemoryLayout(VOID)
{
ULONG_PTR PagedPoolSize, PteCount;
PFN_NUMBER PfnDatabaseSize, PhysicalPages;
PFN_NUMBER PhysicalPages;
ULONG PtesPerPage;
/* Define the number of system PTEs */
@@ -48,7 +48,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
PagedPoolSize = PteCount * PtesPerPage * MM_PAGE_SIZE;
/* Retrieve the PFN database size */
PfnDatabaseSize = MM::Pfn::GetPfnDatabaseSize();
MM::Pfn::GetPfnDatabaseSize(&MemoryLayout.PfnDatabaseSize);
/* Check if 3-level paging (PAE) is enabled */
if(MM::Paging::GetXpaStatus())
@@ -58,7 +58,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.SelfMapAddress = (PVOID)MM_PTE_BASE;
/* Define the non-paged and paged pool regions */
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolEnd = (PVOID)0xEEFFFFFF;
MemoryLayout.PagedPoolStart = (PVOID)0xE2000000;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);
@@ -75,7 +75,7 @@ MM::Manager::InitializeMemoryLayout(VOID)
MemoryLayout.SelfMapAddress = (PVOID)MM_PTE_BASE;
/* Define the non-paged and paged pool regions */
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolStart = (PVOID)((ULONG_PTR)MemoryLayout.PfnDatabase + MemoryLayout.PfnDatabaseSize * MM_PAGE_SIZE);
MemoryLayout.NonPagedPoolEnd = (PVOID)0xFFBE0000;
MemoryLayout.PagedPoolStart = (PVOID)0xE1000000;
MemoryLayout.PagedPoolEnd = (PVOID)(((ULONG_PTR)MemoryLayout.PagedPoolStart + PagedPoolSize) - 1);