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exectos/sdk/xtdk/i686/ketypes.h

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/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: sdk/xtdk/i686/ketypes.h
* DESCRIPTION: Kernel services related structures definitions specific to i686 architecture
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#ifndef __XTDK_I686_KETYPES_H
#define __XTDK_I686_KETYPES_H
#include <xtbase.h>
#include <xtstruct.h>
#include <xttypes.h>
#include <potypes.h>
#include ARCH_HEADER(xtstruct.h)
#include ARCH_HEADER(artypes.h)
/* Selector masks */
#define MODE_MASK 0x0001
#define RPL_MASK 0x0003
/* GDT selector names */
#define KGDT_NULL 0x0000
#define KGDT_R0_CODE 0x0008
#define KGDT_R0_DATA 0x0010
#define KGDT_R3_CODE 0x0018
#define KGDT_R3_DATA 0x0020
#define KGDT_SYS_TSS 0x0028
#define KGDT_R0_PB 0x0030
#define KGDT_R3_TEB 0x0038
#define KGDT_VDM_TILE 0x0040
#define KGDT_R0_LDT 0x0048
#define KGDT_DF_TSS 0x0050
#define KGDT_NMI_TSS 0x0058
#define KGDT_VDBS 0x0068
#define KGDT_ALIAS 0x0070
/* GDT descriptor privilege levels */
#define KGDT_DPL_SYSTEM 0
#define KGDT_DPL_USER 3
/* GDT descriptor properties */
#define KGDT_DESCRIPTOR_ACCESSED 0x01
#define KGDT_DESCRIPTOR_READ_WRITE 0x02
#define KGDT_DESCRIPTOR_EXECUTE_READ 0x02
#define KGDT_DESCRIPTOR_EXPAND_DOWN 0x04
#define KGDT_DESCRIPTOR_CONFORMING 0x04
#define KGDT_DESCRIPTOR_CODE 0x08
/* GDT descriptor type codes */
#define KGDT_TYPE_NONE 0x0
#define KGDT_TYPE_CODE (0x10 | KGDT_DESCRIPTOR_CODE | KGDT_DESCRIPTOR_EXECUTE_READ)
#define KGDT_TYPE_DATA (0x10 | KGDT_DESCRIPTOR_READ_WRITE)
/* IDT access levels */
#define KIDT_ACCESS_RING0 0x00
#define KIDT_ACCESS_RING3 0x60
/* IDT gate types */
#define KIDT_TASK 0x05
#define KIDT_CALL 0x0C
#define KIDT_INTERRUPT 0x0E
#define KIDT_TRAP 0x0F
/* TSS Offsets */
#define KTSS_ESP0 0x04
#define KTSS_CR3 0x1C
#define KTSS_EIP 0x20
#define KTSS_EFLAGS 0x24
#define KTSS_EAX 0x28
#define KTSS_ECX 0x2C
#define KTSS_EDX 0x30
#define KTSS_EBX 0x34
#define KTSS_ESP 0x38
#define KTSS_EBP 0x3C
#define KTSS_ESI 0x40
#define KTSS_EDI 0x44
#define KTSS_ES 0x48
#define KTSS_CS 0x4C
#define KTSS_SS 0x50
#define KTSS_DS 0x54
#define KTSS_FS 0x58
#define KTSS_GS 0x5C
#define KTSS_LDT 0x60
#define KTSS_IOMAPBASE 0x66
#define KTSS_IO_MAPS 0x68
/* I686 Segment Types */
#define I686_TASK_GATE 0x5
#define I686_TSS 0x9
#define I686_ACTIVE_TSS 0xB
#define I686_CALL_GATE 0xC
#define I686_INTERRUPT_GATE 0xE
#define I686_TRAP_GATE 0xF
/* Context control flags */
#define CONTEXT_ARCHITECTURE 0x00010000
#define CONTEXT_CONTROL (CONTEXT_ARCHITECTURE | 0x01)
#define CONTEXT_INTEGER (CONTEXT_ARCHITECTURE | 0x02)
#define CONTEXT_SEGMENTS (CONTEXT_ARCHITECTURE | 0x04)
#define CONTEXT_FLOATING_POINT (CONTEXT_ARCHITECTURE | 0x08)
#define CONTEXT_DEBUG_REGISTERS (CONTEXT_ARCHITECTURE | 0x10)
#define CONTEXT_EXTENDED_REGISTERS (CONTEXT_ARCHITECTURE | 0x20)
/* Interrupt request levels definitions */
#define PASSIVE_LEVEL 0
#define LOW_LEVEL 0
#define APC_LEVEL 1
#define DISPATCH_LEVEL 2
#define CMCI_LEVEL 5
#define DEVICE1_LEVEL 6
#define DEVICE2_LEVEL 7
#define DEVICE3_LEVEL 8
#define DEVICE4_LEVEL 9
#define DEVICE5_LEVEL 10
#define DEVICE6_LEVEL 11
#define DEVICE7_LEVEL 12
#define PROFILE_LEVEL 27
#define SYNC_LEVEL 27
#define CLOCK_LEVEL 28
#define IPI_LEVEL 29
#define POWER_LEVEL 30
#define HIGH_LEVEL 31
/* 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 */
#define KSEG0_BASE 0x80000000
/* XTOS Kernel address base */
#define KSEG0_KERNEL_BASE 0x01800000
/* XTOS Kernel stack size */
#define KERNEL_STACK_SIZE 0x4000
/* XTOS Kernel stack guard pages */
#define KERNEL_STACK_GUARD_PAGES 1
/* Processor structures size */
#define KPROCESSOR_STRUCTURES_SIZE ((2 * KERNEL_STACK_SIZE) + sizeof(ArInitialGdt) + sizeof(ArInitialTss) + \
sizeof(ArInitialProcessorBlock) + MM_PAGE_SIZE)
/* Kernel frames */
#define KTRAP_FRAME_ALIGN 0x08
#define KTRAP_FRAME_SIZE sizeof(KTRAP_FRAME)
#define NPX_FRAME_SIZE 0x210
/* Number of supported extensions */
#define MAXIMUM_SUPPORTED_EXTENSION 512
/* Return address size pushed by 'call' instruction */
#define KRETURN_ADDRESS_SIZE 0x4
/* Size of 387 registers */
#define SIZE_OF_80387_REGISTERS 80
#define SIZE_OF_FX_REGISTERS 128
/* NPX state definitions */
#define NPX_STATE_LOADED 0x0
#define NPX_STATE_UNLOADED 0xA
/* Floating point state storing structure */
typedef struct _FN_SAVE_FORMAT
{
ULONG ControlWord;
ULONG StatusWord;
ULONG TagWord;
ULONG ErrorOffset;
ULONG ErrorSelector;
ULONG DataOffset;
ULONG DataSelector;
UCHAR RegisterArea[SIZE_OF_80387_REGISTERS];
ULONG Cr0NpxState;
} FN_SAVE_FORMAT, *PFN_SAVE_FORMAT;
/* Data for FXSAVE/FXRSTOR instructions structure definition */
typedef struct _FX_SAVE_FORMAT
{
USHORT ControlWord;
USHORT StatusWord;
USHORT TagWord;
USHORT ErrorOpcode;
ULONG ErrorOffset;
ULONG ErrorSelector;
ULONG DataOffset;
ULONG DataSelector;
ULONG MxCsr;
ULONG MxCsrMask;
UCHAR RegisterArea[SIZE_OF_FX_REGISTERS];
UCHAR Reserved3[SIZE_OF_FX_REGISTERS];
UCHAR Reserved4[224];
UCHAR Align16Byte[8];
} FX_SAVE_FORMAT, *PFX_SAVE_FORMAT;
/* Floating save area structure definition */
typedef struct _FX_SAVE_AREA
{
union
{
FN_SAVE_FORMAT FnArea;
FX_SAVE_FORMAT FxArea;
};
ULONG NpxSavedCpu;
ULONG Cr0NpxState;
} FX_SAVE_AREA, *PFX_SAVE_AREA;
/* Context frame structure definition */
typedef struct _CONTEXT
{
ULONG ContextFlags;
ULONG Dr0;
ULONG Dr1;
ULONG Dr2;
ULONG Dr3;
ULONG Dr6;
ULONG Dr7;
FN_SAVE_FORMAT FloatSave;
ULONG SegGs;
ULONG SegFs;
ULONG SegEs;
ULONG SegDs;
ULONG Edi;
ULONG Esi;
ULONG Ebx;
ULONG Edx;
ULONG Ecx;
ULONG Eax;
ULONG Ebp;
ULONG Eip;
ULONG SegCs;
ULONG EFlags;
ULONG Esp;
ULONG SegSs;
UCHAR ExtendedRegisters[MAXIMUM_SUPPORTED_EXTENSION];
} CONTEXT, *PCONTEXT;
/* Pseudo descriptor structure definition */
typedef struct _KDESCRIPTOR
{
USHORT Pad;
USHORT Limit;
PVOID Base;
} KDESCRIPTOR, *PKDESCRIPTOR;
/* 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 BaseMiddle: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;
};
} 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;
/* Exception frame definition (not available on ia32) */
typedef struct _KEXCEPTION_FRAME
{
ULONG PlaceHolder;
} KEXCEPTION_FRAME, *PKEXCEPTION_FRAME;
/* Thread start frame definition */
typedef struct _KSTART_FRAME
{
PKSYSTEM_ROUTINE SystemRoutine;
PKSTART_ROUTINE StartRoutine;
PVOID StartContext;
BOOLEAN UserMode;
} KSTART_FRAME, *PKSTART_FRAME;
/* Switch frame definition */
typedef struct _KSWITCH_FRAME
{
PVOID ExceptionList;
BOOLEAN ApcBypassDisabled;
PVOID Return;
} KSWITCH_FRAME, *PKSWITCH_FRAME;
/* Trap frame definition */
typedef struct _KTRAP_FRAME
{
ULONG PreviousMode;
ULONG Cr2;
ULONG Cr3;
ULONG Dr0;
ULONG Dr1;
ULONG Dr2;
ULONG Dr3;
ULONG Dr6;
ULONG Dr7;
USHORT SegDs;
USHORT SegEs;
USHORT SegFs;
USHORT SegGs;
ULONG Eax;
ULONG Ebx;
ULONG Ecx;
ULONG Edx;
ULONG Esi;
ULONG Edi;
ULONG Ebp;
ULONG Vector;
ULONG ErrorCode;
ULONG Eip;
ULONG SegCs;
ULONG Flags;
ULONG Esp;
ULONG SegSs;
} KTRAP_FRAME, *PKTRAP_FRAME;
/* Thread initialization frame definition */
typedef struct _KTHREAD_INIT_FRAME
{
KSWITCH_FRAME SwitchFrame;
KSTART_FRAME StartFrame;
KTRAP_FRAME TrapFrame;
FX_SAVE_AREA NpxFrame;
} KTHREAD_INIT_FRAME, *PKTHREAD_INIT_FRAME;
/* Special kernel registers structure definition */
typedef struct _KSPECIAL_REGISTERS
{
ULONG Cr0;
ULONG Cr2;
ULONG Cr3;
ULONG Cr4;
ULONG KernelDr0;
ULONG KernelDr1;
ULONG KernelDr2;
ULONG KernelDr3;
ULONG KernelDr6;
ULONG KernelDr7;
KDESCRIPTOR Gdtr;
KDESCRIPTOR Idtr;
USHORT Tr;
USHORT Ldtr;
ULONG Reserved[6];
} KSPECIAL_REGISTERS, *PKSPECIAL_REGISTERS;
/* Processor state frame structure definition */
typedef struct _KPROCESSOR_STATE
{
CONTEXT ContextFrame;
KSPECIAL_REGISTERS SpecialRegisters;
} KPROCESSOR_STATE, *PKPROCESSOR_STATE;
/* Processor Control Block (PRCB) structure definition */
typedef struct _KPROCESSOR_CONTROL_BLOCK
{
PKTHREAD CurrentThread;
PKTHREAD IdleThread;
PKTHREAD NextThread;
UCHAR CpuNumber;
ULONG_PTR SetMember;
CPU_IDENTIFICATION CpuId;
KPROCESSOR_STATE ProcessorState;
KSPIN_LOCK_QUEUE LockQueue[MaximumLock];
ULONG_PTR MultiThreadProcessorSet;
KDPC_DATA DpcData[2];
PVOID DpcStack;
VOLATILE BOOLEAN DpcRoutineActive;
VOLATILE ULONG_PTR TimerRequest;
SINGLE_LIST_ENTRY DeferredReadyListHead;
PROCESSOR_POWER_STATE PowerState;
} KPROCESSOR_CONTROL_BLOCK, *PKPROCESSOR_CONTROL_BLOCK;
/* Processor Block structure definition */
typedef struct _KPROCESSOR_BLOCK
{
union
{
THREAD_INFORMATION_BLOCK ThreadInformationBlock;
struct
{
PKGDTENTRY GdtBase;
PKTSS TssBase;
PKPROCESSOR_BLOCK Self;
PKPROCESSOR_CONTROL_BLOCK CurrentPrcb;
};
};
PKIDTENTRY IdtBase;
KRUNLEVEL RunLevel;
KPROCESSOR_CONTROL_BLOCK Prcb;
ULONG Irr;
ULONG IrrActive;
ULONG Idr;
ULONG ContextSwitches;
KAFFINITY SetMember;
ULONG StallScaleFactor;
UCHAR CpuNumber;
} KPROCESSOR_BLOCK, *PKPROCESSOR_BLOCK;
/* Thread Environment Block (TEB) structure definition */
typedef struct _THREAD_ENVIRONMENT_BLOCK
{
THREAD_INFORMATION_BLOCK InformationBlock;
} THREAD_ENVIRONMENT_BLOCK, *PTHREAD_ENVIRONMENT_BLOCK;
#endif /* __XTDK_I686_KETYPES_H */
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