[sir_richard] 45516: [NDK]: Use new ARMv6 PTE structures.

Author: sir_richard
Date: Tue Feb  9 03:14:58 2010
New Revision: 45516

URL: http://svn.reactos.org/svn/reactos?rev=45516&view=rev
Log:
[NDK]: Use new ARMv6 PTE structures.

Modified:
    trunk/reactos/include/ndk/arm/mmtypes.h

Modified: trunk/reactos/include/ndk/arm/mmtypes.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/include/ndk/arm/mmtypes.h?…
==============================================================================
--- trunk/reactos/include/ndk/arm/mmtypes.h [iso-8859-1] (original)
+++ trunk/reactos/include/ndk/arm/mmtypes.h [iso-8859-1] Tue Feb  9 03:14:58 2010
@@ -47,90 +47,56 @@
 //
 // Page Table Entry Definitions
 //
-typedef struct _HARDWARE_PTE_ARM
+typedef struct _HARDWARE_PDE_ARMV6
 {
-    union
-    {
-        union
-        {
-            struct
-            {
-                ULONG Type:2;
-                ULONG Unused:30;
-            } Fault;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Ignored:2;
-                ULONG Reserved:1;
-                ULONG Domain:4;
-                ULONG Ignored1:1;
-                ULONG BaseAddress:22;
-            } Coarse;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Buffered:1;
-                ULONG Cached:1;
-                ULONG Reserved:1;
-                ULONG Domain:4;
-                ULONG Ignored:1;
-                ULONG Access:2;
-                ULONG Ignored1:8;
-                ULONG BaseAddress:12;
-            } Section;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Reserved:3;
-                ULONG Domain:4;
-                ULONG Ignored:3;
-                ULONG BaseAddress:20;
-            } Fine;
-        } L1;
-        union
-        {
-            struct
-            {
-                ULONG Type:2;
-                ULONG Unused:30;
-            } Fault;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Buffered:1;
-                ULONG Cached:1;
-                ULONG Access0:2;
-                ULONG Access1:2;
-                ULONG Access2:2;
-                ULONG Access3:2;
-                ULONG Ignored:4;
-                ULONG BaseAddress:16;
-            } Large;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Buffered:1;
-                ULONG Cached:1;
-                ULONG Access0:2;
-                ULONG Access1:2;
-                ULONG Access2:2;
-                ULONG Access3:2;
-                ULONG BaseAddress:20;
-            } Small;
-            struct
-            {
-                ULONG Type:2;
-                ULONG Buffered:1;
-                ULONG Cached:1;
-                ULONG Access0:2;
-                ULONG Ignored:4;
-                ULONG BaseAddress:22;
-            } Tiny; 
-        } L2;
-        ULONG AsUlong;
-    };
-} HARDWARE_PTE_ARM, *PHARDWARE_PTE_ARM;
+    ULONG Valid:1;     // Only for small pages
+    ULONG LargePage:1; // Note, if large then Valid = 0
+    ULONG Buffered:1;
+    ULONG Cached:1;
+    ULONG NoExecute:1;
+    ULONG Domain:4;
+    ULONG Ecc:1;
+    ULONG PageFrameNumber:22;
+} HARDWARE_PDE_ARMV6, *PHARDWARE_PDE_ARMV6;
+
+typedef struct _HARDWARE_LARGE_PTE_ARMV6
+{
+    ULONG Valid:1;     // Only for small pages
+    ULONG LargePage:1; // Note, if large then Valid = 0
+    ULONG Buffered:1;
+    ULONG Cached:1;
+    ULONG NoExecute:1;
+    ULONG Domain:4;
+    ULONG Ecc:1;
+    ULONG Accessed:1;
+    ULONG Owner:1;
+    ULONG CacheAttributes:3;
+    ULONG ReadOnly:1;
+    ULONG Shared:1;
+    ULONG NonGlobal:1;
+    ULONG SuperLagePage:1;
+    ULONG Reserved:1;
+    ULONG PageFrameNumber:12;
+} HARDWARE_LARGE_PTE_ARMV6, *PHARDWARE_LARGE_PTE_ARMV6;
+
+typedef struct _HARDWARE_PTE_ARMV6
+{
+    ULONG NoExecute:1;
+    ULONG Valid:1;
+    ULONG Buffered:1;
+    ULONG Cached:1;
+    ULONG Accessed:1;
+    ULONG Owner:1;
+    ULONG CacheAttributes:3;
+    ULONG ReadOnly:1;
+    ULONG Shared:1;
+    ULONG NonGlobal:1;
+    ULONG PageFrameNumber:20;
+} HARDWARE_PTE_ARMV6, *PHARDWARE_PTE_ARMV6;
+
+C_ASSERT(sizeof(HARDWARE_PDE_ARMV6) == sizeof(ULONG));
+C_ASSERT(sizeof(HARDWARE_LARGE_PTE_ARMV6) == sizeof(ULONG));
+C_ASSERT(sizeof(HARDWARE_PTE_ARMV6) == sizeof(ULONG));
 
 typedef struct _MMPTE_SOFTWARE
 {
@@ -185,53 +151,18 @@
     ULONG filler1:1;
 } MMPTE_LIST;
 
-typedef struct _MMPDE_HARDWARE // FIXFIX: Find a way to make this more portable
-{
-    union
-    {
-        union
-        {
-            struct
-            {
-                ULONG Valid:1;
-                ULONG Section:1;
-                ULONG Sbz:3;
-                ULONG Domain:4;
-                ULONG EccEnabled:1;
-                ULONG PageFrameNumber:22;
-            } Coarse;
-            struct
-            {
-                ULONG Coarse:1;
-                ULONG Valid:1;
-                ULONG Buffered:1;
-                ULONG Cached:1;
-                ULONG Reserved:1;
-                ULONG Domain:4;
-                ULONG EccEnabled:1;
-                ULONG Access:2;
-                ULONG ExtendedAccess:3;
-                ULONG Sbz:3;
-                ULONG SuperSection:1;
-                ULONG Sbz1:1;
-                ULONG PageFrameNumber:12;
-            } Section;
-            ULONG AsUlong;
-        } Hard;
-    } u;
-} MMPDE_HARDWARE, *PMMPDE_HARDWARE;
-
 typedef union _MMPTE_HARDWARE
 {
     struct
     {
-        ULONG ExecuteNever:1;
+        ULONG NoExecute:1;
         ULONG Valid:1;
         ULONG Buffered:1;
         ULONG Cached:1;
-        ULONG Access:2;
-        ULONG TypeExtension:3;
-        ULONG ExtendedAccess:1;
+        ULONG Access:1;
+        ULONG Owner:1;
+        ULONG CacheAttributes:3;
+        ULONG ReadOnly:1;
         ULONG Shared:1;
         ULONG NonGlobal:1;
         ULONG PageFrameNumber:20;
@@ -242,7 +173,7 @@
 //
 // Use the right PTE structure
 //
-#define HARDWARE_PTE        HARDWARE_PTE_ARM
-#define PHARDWARE_PTE       PHARDWARE_PTE_ARM
+#define HARDWARE_PTE        HARDWARE_PTE_ARMV6
+#define PHARDWARE_PTE       PHARDWARE_PTE_ARMV6
 
 #endif