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[NTOS:MM] Add support for NX page-faults

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This commit is contained in:
Timo Kreuzer 2018-01-02 11:22:22 +01:00
parent 4d043aa05e
commit a00378a1a1
4 changed files with 40 additions and 1 deletions
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2
ntoskrnl/include/internal/amd64/mm.h
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@ -98,6 +98,7 @@
#define MI_IS_PAGE_WRITEABLE(x) ((x)->u.Hard.Writable == 1)
#endif
#define MI_IS_PAGE_COPY_ON_WRITE(x)((x)->u.Hard.CopyOnWrite == 1)
#define MI_IS_PAGE_EXECUTABLE(x) ((x)->u.Hard.NoExecute == 0)
#define MI_IS_PAGE_DIRTY(x) ((x)->u.Hard.Dirty == 1)
#define MI_MAKE_OWNER_PAGE(x) ((x)->u.Hard.Owner = 1)
#if !defined(CONFIG_SMP)
@ -109,6 +110,7 @@
/* Macros to identify the page fault reason from the error code */
#define MI_IS_NOT_PRESENT_FAULT(FaultCode) !BooleanFlagOn(FaultCode, 0x1)
#define MI_IS_WRITE_ACCESS(FaultCode) BooleanFlagOn(FaultCode, 0x2)
#define MI_IS_INSTRUCTION_FETCH(FaultCode) BooleanFlagOn(FaultCode, 0x10)
/* On x64, these are the same */
#define MI_WRITE_VALID_PPE MI_WRITE_VALID_PTE