reactos/ntoskrnl/ke/i386/trap.s

   1 /*
   2  * FILE:            ntoskrnl/ke/i386/trap.S
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PURPOSE:         System Traps, Entrypoints and Exitpoints
   5  * PROGRAMMER:      Alex Ionescu (alex@relsoft.net)
   6  *                  Timo Kreuzer (timo.kreuzer@reactos.org)
   7  * NOTE:            See asmmacro.S for the shared entry/exit code.
   8  */
   9
  10 /* INCLUDES ******************************************************************/
  11
  12 #include <asm.inc>
  13 #include <ks386.inc>
  14 #include <internal/i386/asmmacro.S>
  15
  16 MACRO(GENERATE_IDT_STUB, Number)
  17 idt _KiUnexpectedInterrupt&Number, INT_32_DPL0
  18 ENDM
  19
  20 MACRO(GENERATE_INT_HANDLER, Number)
  21 //.func KiUnexpectedInterrupt&Number
  22 _KiUnexpectedInterrupt&Number:
  23     push PRIMARY_VECTOR_BASE + Number
  24     jmp _KiEndUnexpectedRange@0
  25 //.endfunc
  26 ENDM
  27
  28 EXTERN _KiTrap02:PROC
  29
  30 /* GLOBALS *******************************************************************/
  31
  32 .data
  33 ASSUME nothing
  34
  35 PUBLIC _KiIdt
  36 _KiIdt:
  37 /* This is the Software Interrupt Table that we handle in this file:        */
  38 idt _KiTrap00,         INT_32_DPL0  /* INT 00: Divide Error (#DE)           */
  39 idt _KiTrap01,         INT_32_DPL0  /* INT 01: Debug Exception (#DB)        */
  40 idt _KiTrap02,         INT_32_DPL0  /* INT 02: NMI Interrupt                */
  41 idt _KiTrap03,         INT_32_DPL3  /* INT 03: Breakpoint Exception (#BP)   */
  42 idt _KiTrap04,         INT_32_DPL3  /* INT 04: Overflow Exception (#OF)     */
  43 idt _KiTrap05,         INT_32_DPL0  /* INT 05: BOUND Range Exceeded (#BR)   */
  44 idt _KiTrap06,         INT_32_DPL0  /* INT 06: Invalid Opcode Code (#UD)    */
  45 idt _KiTrap07,         INT_32_DPL0  /* INT 07: Device Not Available (#NM)   */
  46 idt _KiTrap08,         INT_32_DPL0  /* INT 08: Double Fault Exception (#DF) */
  47 idt _KiTrap09,         INT_32_DPL0  /* INT 09: RESERVED                     */
  48 idt _KiTrap0A,         INT_32_DPL0  /* INT 0A: Invalid TSS Exception (#TS)  */
  49 idt _KiTrap0B,         INT_32_DPL0  /* INT 0B: Segment Not Present (#NP)    */
  50 idt _KiTrap0C,         INT_32_DPL0  /* INT 0C: Stack Fault Exception (#SS)  */
  51 idt _KiTrap0D,         INT_32_DPL0  /* INT 0D: General Protection (#GP)     */
  52 idt _KiTrap0E,         INT_32_DPL0  /* INT 0E: Page-Fault Exception (#PF)   */
  53 idt _KiTrap0F,         INT_32_DPL0  /* INT 0F: RESERVED                     */
  54 idt _KiTrap10,         INT_32_DPL0  /* INT 10: x87 FPU Error (#MF)          */
  55 idt _KiTrap11,         INT_32_DPL0  /* INT 11: Align Check Exception (#AC)  */
  56 idt _KiTrap0F,         INT_32_DPL0  /* INT 12: Machine Check Exception (#MC)*/
  57 idt _KiTrap0F,         INT_32_DPL0  /* INT 13: SIMD FPU Exception (#XF)     */
  58 REPEAT 22
  59 idt _KiTrap0F,         INT_32_DPL0  /* INT 14-29: UNDEFINED INTERRUPTS      */
  60 ENDR
  61 idt _KiGetTickCount,   INT_32_DPL3  /* INT 2A: Get Tick Count Handler       */
  62 idt _KiCallbackReturn, INT_32_DPL3  /* INT 2B: User-Mode Callback Return    */
  63 idt _KiRaiseAssertion, INT_32_DPL3  /* INT 2C: Debug Assertion Handler      */
  64 idt _KiDebugService,   INT_32_DPL3  /* INT 2D: Debug Service Handler        */
  65 idt _KiSystemService,  INT_32_DPL3  /* INT 2E: System Call Service Handler  */
  66 idt _KiTrap0F,         INT_32_DPL0  /* INT 2F: RESERVED                     */
  67 i = 0
  68 REPEAT 208
  69     GENERATE_IDT_STUB %i
  70     i = i + 1
  71 ENDR
  72
  73 PUBLIC _KiIdtDescriptor
  74 _KiIdtDescriptor:
  75     .short 0
  76     .short HEX(7FF)
  77     .long _KiIdt
  78
  79 PUBLIC _KiUnexpectedEntrySize
  80 _KiUnexpectedEntrySize:
  81     .long _KiUnexpectedInterrupt1 - _KiUnexpectedInterrupt0
  82
  83 /******************************************************************************/
  84 .code
  85
  86 TRAP_ENTRY KiTrap00, KI_PUSH_FAKE_ERROR_CODE
  87 TRAP_ENTRY KiTrap01, KI_PUSH_FAKE_ERROR_CODE
  88 TRAP_ENTRY KiTrap03, KI_PUSH_FAKE_ERROR_CODE
  89 TRAP_ENTRY KiTrap04, KI_PUSH_FAKE_ERROR_CODE
  90 TRAP_ENTRY KiTrap05, KI_PUSH_FAKE_ERROR_CODE
  91 TRAP_ENTRY KiTrap06, KI_PUSH_FAKE_ERROR_CODE
  92 TRAP_ENTRY KiTrap07, KI_PUSH_FAKE_ERROR_CODE
  93 TRAP_ENTRY KiTrap08, 0
  94 TRAP_ENTRY KiTrap09, KI_PUSH_FAKE_ERROR_CODE
  95 TRAP_ENTRY KiTrap0A, 0
  96 TRAP_ENTRY KiTrap0B, 0
  97 TRAP_ENTRY KiTrap0C, 0
  98 TRAP_ENTRY KiTrap0D, 0
  99 TRAP_ENTRY KiTrap0E, 0
 100 TRAP_ENTRY KiTrap0F, KI_PUSH_FAKE_ERROR_CODE
 101 TRAP_ENTRY KiTrap10, KI_PUSH_FAKE_ERROR_CODE
 102 TRAP_ENTRY KiTrap11, KI_PUSH_FAKE_ERROR_CODE
 103 TRAP_ENTRY KiTrap13, KI_PUSH_FAKE_ERROR_CODE
 104 TRAP_ENTRY KiGetTickCount, KI_PUSH_FAKE_ERROR_CODE
 105 TRAP_ENTRY KiCallbackReturn, KI_PUSH_FAKE_ERROR_CODE
 106 TRAP_ENTRY KiRaiseAssertion, KI_PUSH_FAKE_ERROR_CODE
 107 TRAP_ENTRY KiDebugService, KI_PUSH_FAKE_ERROR_CODE
 108 TRAP_ENTRY KiUnexpectedInterruptTail, 0
 109
 110 ALIGN 4
 111 EXTERN @KiInterruptTemplateHandler@8:PROC
 112 PUBLIC _KiInterruptTemplate
 113 _KiInterruptTemplate:
 114     KiEnterTrap KI_PUSH_FAKE_ERROR_CODE
 115 PUBLIC _KiInterruptTemplate2ndDispatch
 116 _KiInterruptTemplate2ndDispatch:
 117     mov edx, 0
 118 PUBLIC _KiInterruptTemplateObject
 119 _KiInterruptTemplateObject:
 120     mov eax, offset @KiInterruptTemplateHandler@8
 121     jmp eax
 122 PUBLIC _KiInterruptTemplateDispatch
 123 _KiInterruptTemplateDispatch:
 124
 125 EXTERN @KiSystemServiceHandler@8:PROC
 126 PUBLIC _KiSystemService
 127 _KiSystemService:
 128     KiEnterTrap (KI_PUSH_FAKE_ERROR_CODE OR KI_NONVOLATILES_ONLY OR KI_DONT_SAVE_SEGS)
 129     KiCallHandler @KiSystemServiceHandler@8
 130
 131 EXTERN @KiFastCallEntryHandler@8:PROC
 132 PUBLIC _KiFastCallEntry
 133 _KiFastCallEntry:
 134     KiEnterTrap (KI_FAST_SYSTEM_CALL OR KI_NONVOLATILES_ONLY OR KI_DONT_SAVE_SEGS)
 135     KiCallHandler @KiFastCallEntryHandler@8
 136
 137 PUBLIC _KiStartUnexpectedRange@0
 138 _KiStartUnexpectedRange@0:
 139 i = 0
 140 REPEAT 208
 141     GENERATE_INT_HANDLER %i
 142     i = i + 1
 143 ENDR
 144 PUBLIC _KiEndUnexpectedRange@0
 145 _KiEndUnexpectedRange@0:
 146     jmp _KiUnexpectedInterruptTail
 147
 148
 149 /* EXIT CODE *****************************************************************/
 150
 151 KiTrapExitStub KiSystemCallReturn,        (KI_RESTORE_EAX OR KI_RESTORE_EFLAGS OR KI_EXIT_JMP)
 152 KiTrapExitStub KiSystemCallSysExitReturn, (KI_RESTORE_EAX OR KI_RESTORE_FS OR KI_RESTORE_EFLAGS OR KI_EXIT_SYSCALL)
 153 KiTrapExitStub KiSystemCallTrapReturn,    (KI_RESTORE_EAX OR KI_RESTORE_FS OR KI_EXIT_IRET)
 154
 155 KiTrapExitStub KiEditedTrapReturn,        (KI_RESTORE_VOLATILES OR KI_RESTORE_EFLAGS OR KI_EDITED_FRAME OR KI_EXIT_RET)
 156 KiTrapExitStub KiTrapReturn,              (KI_RESTORE_VOLATILES OR KI_RESTORE_SEGMENTS OR KI_EXIT_IRET)
 157 KiTrapExitStub KiTrapReturnNoSegments,    (KI_RESTORE_VOLATILES OR KI_EXIT_IRET)
 158
 159 END