xt-sys/exectos
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Add GDT, IDT and TSS related structures
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This commit is contained in:
Rafal Kupiec 2023-01-07 13:33:16 +01:00
parent cdef64d1e6
commit f74ba62f24
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
5 changed files with 176 additions and 0 deletions
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72
sdk/xtdk/amd64/ketypes.h
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@ -9,6 +9,11 @@
#ifndef __XTDK_AMD64_KETYPES_H #ifndef __XTDK_AMD64_KETYPES_H
#define __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 */ /* Static Kernel-Mode address start */
#define KSEG0_BASE 0xFFFFF80000000000 #define KSEG0_BASE 0xFFFFF80000000000
@ -19,4 +24,71 @@
/* XTOS Kernel stack size */ /* XTOS Kernel stack size */
#define KERNEL_STACK_SIZE 0x8000 #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 */ #endif /* __XTDK_AMD64_KETYPES_H */

5
sdk/xtdk/amd64/xtstruct.h
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@ -13,5 +13,10 @@
/* Architecture-related structures forward references */ /* Architecture-related structures forward references */
typedef struct _CPUID_REGISTERS CPUID_REGISTERS, *PCPUID_REGISTERS; typedef struct _CPUID_REGISTERS CPUID_REGISTERS, *PCPUID_REGISTERS;
typedef struct _HARDWARE_PTE HARDWARE_PTE, *PHARDWARE_PTE; 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 */ #endif /* __XTDK_AMD64_XTSTRUCT_H */

92
sdk/xtdk/i686/ketypes.h
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@ -9,6 +9,15 @@
#ifndef __XTDK_I686_KETYPES_H #ifndef __XTDK_I686_KETYPES_H
#define __XTDK_I686_KETYPES_H #define __XTDK_I686_KETYPES_H
#include <xttypes.h>
/* IOPM Definitions */
#define IOPM_COUNT 1
#define IOPM_SIZE 8192
#define IOPM_FULL_SIZE 8196
#define IOPM_ACCESS_MAP_NONE 0
#define IOPM_DIRECTION_MAP_SIZE 32
/* Static Kernel-Mode address start */ /* Static Kernel-Mode address start */
#define KSEG0_BASE 0x80000000 #define KSEG0_BASE 0x80000000
@ -19,4 +28,87 @@
/* XTOS Kernel stack size */ /* XTOS Kernel stack size */
#define KERNEL_STACK_SIZE 0x4000 #define KERNEL_STACK_SIZE 0x4000
/* Global Descriptor Table (GDT) entry structure definition */
typedef struct _KGDTENTRY
{
USHORT LimitLow;
USHORT BaseLow;
union
{
struct
{
UCHAR BaseMiddle;
UCHAR Flags1;
UCHAR Flags2;
UCHAR BaseHigh;
} Bytes;
struct
{
ULONG BaseMid:8;
ULONG Type:5;
ULONG Dpl:2;
ULONG Present:1;
ULONG LimitHigh:4;
ULONG System:1;
ULONG Reserved0:1;
ULONG DefaultBig:1;
ULONG Granularity:1;
ULONG BaseHigh:8;
} Bits;
} HighWord;
} KGDTENTRY, *PKGDTENTRY;
/* Interrupt Descriptor Table (IDT) entry structure definition */
typedef struct _KIDTENTRY {
USHORT Offset;
USHORT Selector;
USHORT Access;
USHORT ExtendedOffset;
} KIDTENTRY, *PKIDTENTRY;
/* Interrupt direction access map structure definition */
typedef struct _KIIO_ACCESS_MAP {
UCHAR DirectionMap[IOPM_DIRECTION_MAP_SIZE];
UCHAR IoMap[IOPM_FULL_SIZE];
} KIIO_ACCESS_MAP, *PKIIO_ACCESS_MAP;
/* Task State Segment (TSS) structure definition */
typedef struct _KTSS {
USHORT Backlink;
USHORT Reserved0;
ULONG Esp0;
USHORT Ss0;
USHORT Reserved1;
ULONG NotUsed1[4];
ULONG CR3;
ULONG Eip;
ULONG EFlags;
ULONG Eax;
ULONG Ecx;
ULONG Edx;
ULONG Ebx;
ULONG Esp;
ULONG Ebp;
ULONG Esi;
ULONG Edi;
USHORT Es;
USHORT Reserved2;
USHORT Cs;
USHORT Reserved3;
USHORT Ss;
USHORT Reserved4;
USHORT Ds;
USHORT Reserved5;
USHORT Fs;
USHORT Reserved6;
USHORT Gs;
USHORT Reserved7;
USHORT LDT;
USHORT Reserved8;
USHORT Flags;
USHORT IoMapBase;
KIIO_ACCESS_MAP IoMaps[IOPM_COUNT];
UCHAR IntDirectionMap[IOPM_DIRECTION_MAP_SIZE];
} KTSS, *PKTSS;
#endif /* __XTDK_I686_KETYPES_H */ #endif /* __XTDK_I686_KETYPES_H */

4
sdk/xtdk/i686/xtstruct.h
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@ -14,5 +14,9 @@
typedef struct _CPUID_REGISTERS CPUID_REGISTERS, *PCPUID_REGISTERS; typedef struct _CPUID_REGISTERS CPUID_REGISTERS, *PCPUID_REGISTERS;
typedef struct _HARDWARE_PTE HARDWARE_PTE, *PHARDWARE_PTE; typedef struct _HARDWARE_PTE HARDWARE_PTE, *PHARDWARE_PTE;
typedef struct _HARDWARE_PTE_PAE HARDWARE_PTE_PAE, *PHARDWARE_PTE_PAE; typedef struct _HARDWARE_PTE_PAE HARDWARE_PTE_PAE, *PHARDWARE_PTE_PAE;
typedef struct _KGDTENTRY KGDTENTRY, *PKGDTENTRY;
typedef struct _KIDTENTRY KIDTENTRY, *PKIDTENTRY;
typedef struct _KIIO_ACCESS_MAP KIIO_ACCESS_MAP, *PKIIO_ACCESS_MAP;
typedef struct _KTSS KTSS, *PKTSS;
#endif /* __XTDK_I686_XTSTRUCT_H */ #endif /* __XTDK_I686_XTSTRUCT_H */

3
sdk/xtdk/xtbase.h
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@ -14,6 +14,9 @@
#include <xttypes.h> #include <xttypes.h>
/* Interrupt Request Level (IRQL) */
typedef UCHAR KIRQL, *PKIRQL;
/* 128-bit buffer containing a unique identifier value */ /* 128-bit buffer containing a unique identifier value */
typedef struct _GUID typedef struct _GUID
{ {