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Separate types for legacy (PML2) and PAE (PML3) paging
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This commit is contained in:
Aiken Harris 2025-08-16 00:29:20 +02:00
parent 3ca6d04f6b
commit 7e08dc286e
Signed by: harraiken
GPG Key ID: C40F06CB7493C1F5
1 changed files with 172 additions and 54 deletions
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226
sdk/xtdk/i686/mmtypes.h
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@ -28,7 +28,11 @@
#define MM_PDI_SHIFT 21 #define MM_PDI_SHIFT 21
#define MM_PPI_SHIFT 30 #define MM_PPI_SHIFT 30
/* Page directory and page base legacy address */
#define MM_PDE_LEGACY_BASE 0xC0300000
/* PTE legacy shift values */ /* PTE legacy shift values */
#define MM_PTE_LEGACY_SHIFT 2
#define MM_PDI_LEGACY_SHIFT 22 #define MM_PDI_LEGACY_SHIFT 22
/* Minimum number of physical pages needed by the system */ /* Minimum number of physical pages needed by the system */
@ -58,8 +62,26 @@ typedef enum _PAGE_SIZE
Size4M Size4M
} PAGE_SIZE, *PPAGE_SIZE; } PAGE_SIZE, *PPAGE_SIZE;
/* Page Table entry structure definition (with PAE support) */ /* Legacy Page Table entry structure definition (PML2) */
typedef struct _HARDWARE_PTE typedef struct _HARDWARE_LEGACY_PTE
{
ULONG Valid:1;
ULONG Writable:1;
ULONG Owner:1;
ULONG WriteThrough:1;
ULONG CacheDisable:1;
ULONG Accessed:1;
ULONG Dirty:1;
ULONG LargePage:1;
ULONG Global:1;
ULONG CopyOnWrite:1;
ULONG Prototype:1;
ULONG Reserved0:1;
ULONG PageFrameNumber:20;
} HARDWARE_LEGACY_PTE, *PHARDWARE_LEGACY_PTE;
/* Page Table entry structure definition (PML3) */
typedef struct _HARDWARE_MODERN_PTE
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG Writable:1; ULONGLONG Writable:1;
@ -77,10 +99,116 @@ typedef struct _HARDWARE_PTE
ULONGLONG Reserved1:14; ULONGLONG Reserved1:14;
ULONGLONG SoftwareWsIndex:11; ULONGLONG SoftwareWsIndex:11;
ULONGLONG NoExecute:1; ULONGLONG NoExecute:1;
} HARDWARE_MODERN_PTE, *PHARDWARE_MODERN_PTE;
/* Generic Page Table entry union to abstract PML2 and PML3 formats */
typedef union _HARDWARE_PTE
{
ULONGLONG Long;
HARDWARE_LEGACY_PTE Pml2;
HARDWARE_MODERN_PTE Pml3;
} HARDWARE_PTE, *PHARDWARE_PTE; } HARDWARE_PTE, *PHARDWARE_PTE;
/* Page Table Entry on PAE enabled system */ /* Page map information structure definition */
typedef struct _MMPTE_HARDWARE typedef struct _MMPAGEMAP_INFO
{
BOOLEAN Xpa;
ULONG PdeBase;
ULONG PdiShift;
ULONG PteShift;
} MMPAGEMAP_INFO, *PMMPAGEMAP_INFO;
/* Legacy Page Table Entry hardware structure definition (PML2) */
typedef struct _MMPML2_PTE_HARDWARE
{
ULONG Valid:1;
ULONG Writable:1;
ULONG Owner:1;
ULONG WriteThrough:1;
ULONG CacheDisable:1;
ULONG Accessed:1;
ULONG Dirty:1;
ULONG LargePage:1;
ULONG Global:1;
ULONG CopyOnWrite:1;
ULONG Prototype:1;
ULONG Write:1;
ULONG PageFrameNumber:20;
} MMPML2_PTE_HARDWARE, *PMMPML2_PTE_HARDWARE;
/* Legacy Page Table Entry list structure definition (PML2) */
typedef struct _MMPML2_PTE_LIST
{
ULONG Valid:1;
ULONG OneEntry:1;
ULONG Reserved0:8;
ULONG Prototype:1;
ULONG Reserved1:1;
ULONG NextEntry:20;
} MMPML2_PTE_LIST, *PMMPML2_PTE_LIST;
/* Legacy Page Table Entry subsection structure definition (PML2) */
typedef struct _MMPML2_PTE_PROTOTYPE
{
ULONG Valid:1;
ULONG ProtoAddressLow:7;
ULONG ReadOnly:1;
ULONG WhichPool:1;
ULONG Prototype:1;
ULONG ProtoAddressHigh:21;
} MMPML2_PTE_PROTOTYPE, *PMMPML2_PTE_PROTOTYPE;
/* Legacy Page Table Entry software structure definition (PML2) */
typedef struct _MMPML2_PTE_SOFTWARE
{
ULONG Valid:1;
ULONG PageFileLow:4;
ULONG Protection:5;
ULONG Prototype:1;
ULONG Transition:1;
ULONG PageFileHigh:20;
} MMPML2_PTE_SOFTWARE, *PMMPML2_PTE_SOFTWARE;
/* Legacy Page Table Entry subsection structure definition (PML2) */
typedef struct _MMPML2_PTE_SUBSECTION
{
ULONG Valid:1;
ULONG SubsectionAddressLow:4;
ULONG Protection:5;
ULONG Prototype:1;
ULONG SubsectionAddressHigh:20;
ULONG WhichPool:1;
} MMPML2_PTE_SUBSECTION, *PMMPML2_PTE_SUBSECTION;
/* Legacy Page Table Entry transition structure definition (PML2) */
typedef struct _MMPML2_PTE_TRANSITION
{
ULONG Valid:1;
ULONG Write:1;
ULONG Owner:1;
ULONG WriteThrough:1;
ULONG CacheDisable:1;
ULONG Protection:5;
ULONG Prototype:1;
ULONG Transition:1;
ULONG PageFrameNumber:20;
} MMPML2_PTE_TRANSITION, *PMMPML2_PTE_TRANSITION;
/* Legacy Page Table Entry union definition (PML2) */
typedef union _MMPML2_PTE
{
ULONG Long;
HARDWARE_PTE Flush;
MMPML2_PTE_HARDWARE Hard;
MMPML2_PTE_PROTOTYPE Proto;
MMPML2_PTE_SOFTWARE Soft;
MMPML2_PTE_TRANSITION Trans;
MMPML2_PTE_SUBSECTION Subsect;
MMPML2_PTE_LIST List;
} MMPML2_PTE, *PMMPML2_PTE;
/* Page Table Entry hardware structure definition (PML3) */
typedef struct _MMPML3_PTE_HARDWARE
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG Writable:1; ULONGLONG Writable:1;
@ -95,59 +223,59 @@ typedef struct _MMPTE_HARDWARE
ULONGLONG Prototype:1; ULONGLONG Prototype:1;
ULONGLONG Write:1; ULONGLONG Write:1;
ULONGLONG PageFrameNumber:26; ULONGLONG PageFrameNumber:26;
ULONGLONG Reserved1:25; ULONGLONG Reserved0:25;
ULONGLONG NoExecute:1; ULONGLONG NoExecute:1;
} MMPTE_HARDWARE, *PMMPTE_HARDWARE; } MMPML3_PTE_HARDWARE, *PMMPML3_PTE_HARDWARE;
/* Page Table Entry list structure definition (with PAE support) */ /* Page Table Entry list structure definition (PML3) */
typedef struct _MMPTE_LIST typedef struct _MMPML3_PTE_LIST
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG OneEntry:1; ULONGLONG OneEntry:1;
ULONGLONG Reserved1:8; ULONGLONG Reserved0:8;
ULONGLONG Prototype:1; ULONGLONG Prototype:1;
ULONGLONG Reserved2:21; ULONGLONG Reserved1:21;
ULONGLONG NextEntry:32; ULONGLONG NextEntry:32;
} MMPTE_LIST, *PMMPTE_LIST; } MMPML3_PTE_LIST, *PMMPML3_PTE_LIST;
/* Page Table Entry subsection structure definition (with PAE support) */ /* Page Table Entry subsection structure definition (PML3) */
typedef struct _MMPTE_PROTOTYPE typedef struct _MMPML3_PTE_PROTOTYPE
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG Reserved1:7; ULONGLONG Reserved0:7;
ULONGLONG ReadOnly:1; ULONGLONG ReadOnly:1;
ULONGLONG Reserved2:1; ULONGLONG Reserved1:1;
ULONGLONG Prototype:1; ULONGLONG Prototype:1;
ULONGLONG Protection:5; ULONGLONG Protection:5;
ULONGLONG Reserved3:16; ULONGLONG Reserved2:16;
ULONGLONG ProtoAddress:32; ULONGLONG ProtoAddress:32;
} MMPTE_PROTOTYPE, *PMMPTE_PROTOTYPE; } MMPML3_PTE_PROTOTYPE, *PMMPML3_PTE_PROTOTYPE;
/* Page Table Entry software structure definition (with PAE support) */ /* Page Table Entry software structure definition (PML3) */
typedef struct _MMPTE_SOFTWARE typedef struct _MMPML3_PTE_SOFTWARE
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG PageFileLow:4; ULONGLONG PageFileLow:4;
ULONGLONG Protection:5; ULONGLONG Protection:5;
ULONGLONG Prototype:1; ULONGLONG Prototype:1;
ULONGLONG Transition:1; ULONGLONG Transition:1;
ULONGLONG Reserved1:20; ULONGLONG Reserved0:20;
ULONGLONG PageFileHigh:32; ULONGLONG PageFileHigh:32;
} MMPTE_SOFTWARE, *PMMPTE_SOFTWARE; } MMPML3_PTE_SOFTWARE, *PMMPML3_PTE_SOFTWARE;
/* Page Table Entry subsection structure definition (with PAE support) */ /* Page Table Entry subsection structure definition (PML3) */
typedef struct _MMPTE_SUBSECTION typedef struct _MMPML3_PTE_SUBSECTION
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG Reserved1:4; ULONGLONG Reserved0:4;
ULONGLONG Protection:5; ULONGLONG Protection:5;
ULONGLONG Prototype:1; ULONGLONG Prototype:1;
ULONGLONG Reserved2:21; ULONGLONG Reserved1:21;
ULONGLONG SubsectionAddress:32; ULONGLONG SubsectionAddress:32;
} MMPTE_SUBSECTION, *PMMPTE_SUBSECTION; } MMPML3_PTE_SUBSECTION, *PMMPML3_PTE_SUBSECTION;
/* Page Table Entry transition structure definition (with PAE support) */ /* Page Table Entry transition structure definition (PML3) */
typedef struct _MMPTE_TRANSITION typedef struct _MMPML3_PTE_TRANSITION
{ {
ULONGLONG Valid:1; ULONGLONG Valid:1;
ULONGLONG Write:1; ULONGLONG Write:1;
@ -159,38 +287,28 @@ typedef struct _MMPTE_TRANSITION
ULONGLONG Transition:1; ULONGLONG Transition:1;
ULONGLONG PageFrameNumber:26; ULONGLONG PageFrameNumber:26;
ULONGLONG Unused:26; ULONGLONG Unused:26;
} MMPTE_TRANSITION, *PMMPTE_TRANSITION; } MMPML3_PTE_TRANSITION, *PMMPML3_PTE_TRANSITION;
/* Page Table Entry structure definition (with PAE support) */ /* Page Table Entry union definition (PML3) */
typedef union _MMPTE typedef union _MMPML3_PTE
{ {
ULONGLONG Long; ULONGLONG Long;
HARDWARE_PTE Flush; HARDWARE_PTE Flush;
MMPTE_HARDWARE Hardware; MMPML3_PTE_HARDWARE Hardware;
MMPTE_PROTOTYPE Prototype; MMPML3_PTE_PROTOTYPE Prototype;
MMPTE_SOFTWARE Software; MMPML3_PTE_SOFTWARE Software;
MMPTE_TRANSITION Transition; MMPML3_PTE_TRANSITION Transition;
MMPTE_SUBSECTION Subsection; MMPML3_PTE_SUBSECTION Subsection;
MMPTE_LIST List; MMPML3_PTE_LIST List;
} MMPTE, *PMMPTE; } MMPML3_PTE, *PMMPML3_PTE;
/* Legacy Page Table entry structure definition (without PAE support) */ /* Generic Page Table Entry union to abstract PML2 and PML3 formats */
typedef struct _HARDWARE_LEGACY_PTE typedef union _MMPTE
{ {
ULONG Valid:1; ULONGLONG Long;
ULONG Writable:1; MMPML2_PTE Pml2;
ULONG Owner:1; MMPML3_PTE Pml3;
ULONG WriteThrough:1; } MMPTE, *PMMPTE;
ULONG CacheDisable:1;
ULONG Accessed:1;
ULONG Dirty:1;
ULONG LargePage:1;
ULONG Global:1;
ULONG CopyOnWrite:1;
ULONG Prototype:1;
ULONG Reserved0:1;
ULONG PageFrameNumber:20;
} HARDWARE_LEGACY_PTE, *PHARDWARE_LEGACY_PTE;
/* Page Frame Number structure definition */ /* Page Frame Number structure definition */
typedef struct _MMPFN typedef struct _MMPFN