Add GDT, IDT and TSS related structures

sdk/xtdk/amd64/ketypes.h

@@ -9,6 +9,11 @@
 #ifndef __XTDK_AMD64_KETYPES_H
 #define __XTDK_AMD64_KETYPES_H
 
+#include <xttypes.h>
+
+
+/* IOPM Definitions */
+#define IO_ACCESS_MAP_NONE                0
 
 /* Static Kernel-Mode address start */
 #define KSEG0_BASE                        0xFFFFF80000000000
@@ -19,4 +24,71 @@
 /* XTOS Kernel stack size */
 #define KERNEL_STACK_SIZE                 0x8000
 
+/* Global Descriptor Table (GDT) entry union definition */
+typedef union _KGDTENTRY
+{
+    struct
+    {
+        USHORT LimitLow;
+        USHORT BaseLow;
+        union
+        {
+            struct
+            {
+                UCHAR BaseMiddle;
+                UCHAR Flags1;
+                UCHAR Flags2;
+                UCHAR BaseHigh;
+            } Bytes;
+            struct {
+                ULONG BaseMiddle:8;
+                ULONG Type:5;
+                ULONG Dpl:2;
+                ULONG Present:1;
+                ULONG LimitHigh:4;
+                ULONG System:1;
+                ULONG LongMode:1;
+                ULONG DefaultBig:1;
+                ULONG Granularity:1;
+                ULONG BaseHigh:8;
+            } Bits;
+        };
+        ULONG BaseUpper;
+        ULONG MustBeZero;
+    };
+    ULONG64 Alignment;
+} KGDTENTRY, *PKGDTENTRY;
+
+/* Interrupt Descriptor Table (IDT) entry union definition */
+typedef union _KIDTENTRY
+{
+    struct
+    {
+        USHORT OffsetLow;
+        USHORT Selector;
+        USHORT IstIndex:3;
+        USHORT Reserved0:5;
+        USHORT Type:5;
+        USHORT Dpl:2;
+        USHORT Present:1;
+        USHORT OffsetMiddle;
+        ULONG OffsetHigh;
+        ULONG Reserved1;
+    };
+    ULONG64 Alignment;
+} KIDTENTRY, *PKIDTENTRY;
+
+/* Task State Segment (TSS) structure definition */
+typedef struct _KTSS
+{
+    ULONG Reserved0;
+    ULONG64 Rsp0;
+    ULONG64 Rsp1;
+    ULONG64 Rsp2;
+    ULONG64 Ist[8];
+    ULONG64 Reserved1;
+    USHORT Reserved2;
+    USHORT IoMapBase;
+} KTSS, *PKTSS;
+
 #endif /* __XTDK_AMD64_KETYPES_H */

sdk/xtdk/amd64/xtstruct.h

@@ -13,5 +13,10 @@
 /* Architecture-related structures forward references */
 typedef struct _CPUID_REGISTERS CPUID_REGISTERS, *PCPUID_REGISTERS;
 typedef struct _HARDWARE_PTE HARDWARE_PTE, *PHARDWARE_PTE;
+typedef struct _KTSS KTSS, *PKTSS;
+
+/* Architecture-related unions forward references */
+typedef union _KGDTENTRY KGDTENTRY, *PKGDTENTRY;
+typedef union _KIDTENTRY KIDTENTRY, *PKIDTENTRY;
 
 #endif /* __XTDK_AMD64_XTSTRUCT_H */