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Add definition for guarded PTE flag and remove hardcoded value
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This commit is contained in:
Aiken Harris
2026-02-25 12:14:26 +01:00
parent a136f21f4b
commit 7a44901064
3 changed files with 3 additions and 1 deletions
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1
sdk/xtdk/amd64/mmtypes.h
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@@ -60,6 +60,7 @@
/* PTE protection flags */ /* PTE protection flags */
#define MM_PTE_NOEXECUTE 0x8000000000000000ULL #define MM_PTE_NOEXECUTE 0x8000000000000000ULL
#define MM_PTE_GUARDED 0x8000000000000018ULL
#define MM_PTE_PROTECT 0x8000000000000612ULL #define MM_PTE_PROTECT 0x8000000000000612ULL
/* PTE cache flags */ /* PTE cache flags */

1
sdk/xtdk/i686/mmtypes.h
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@@ -56,6 +56,7 @@
/* PTE protection flags */ /* PTE protection flags */
#define MM_PTE_NOEXECUTE 0x00000000 #define MM_PTE_NOEXECUTE 0x00000000
#define MM_PTE_GUARDED 0x00000018
#define MM_PTE_PROTECT 0x00000612 #define MM_PTE_PROTECT 0x00000612
/* PTE cache flags */ /* PTE cache flags */

2
xtoskrnl/mm/kpool.cc
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@@ -52,7 +52,7 @@ MM::KernelPool::AllocateKernelStack(OUT PVOID *Stack,
} }
/* Set up a template for an invalid PTE */ /* Set up a template for an invalid PTE */
MM::Paging::SetPte(&InvalidPte, 0, 0x18); MM::Paging::SetPte(&InvalidPte, 0, MM_PTE_GUARDED);
/* Set up a template for a valid, writable stack PTE */ /* Set up a template for a valid, writable stack PTE */
MM::Paging::ClearPte(&TempPte); MM::Paging::ClearPte(&TempPte);