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 <reactos/asm.h>
  13 #include <ndk/i386/asm.h>
  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 /* GLOBALS *******************************************************************/
  29
  30 .data
  31
  32 PUBLIC _KiIdt
  33 _KiIdt:
  34 /* This is the Software Interrupt Table that we handle in this file:        */
  35 idt _KiTrap00,         INT_32_DPL0  /* INT 00: Divide Error (#DE)           */
  36 idt _KiTrap01,         INT_32_DPL0  /* INT 01: Debug Exception (#DB)        */
  37 idt _KiTrap02,         INT_32_DPL0  /* INT 02: NMI Interrupt                */
  38 idt _KiTrap03,         INT_32_DPL3  /* INT 03: Breakpoint Exception (#BP)   */
  39 idt _KiTrap04,         INT_32_DPL3  /* INT 04: Overflow Exception (#OF)     */
  40 idt _KiTrap05,         INT_32_DPL0  /* INT 05: BOUND Range Exceeded (#BR)   */
  41 idt _KiTrap06,         INT_32_DPL0  /* INT 06: Invalid Opcode Code (#UD)    */
  42 idt _KiTrap07,         INT_32_DPL0  /* INT 07: Device Not Available (#NM)   */
  43 idt _KiTrap08,         INT_32_DPL0  /* INT 08: Double Fault Exception (#DF) */
  44 idt _KiTrap09,         INT_32_DPL0  /* INT 09: RESERVED                     */
  45 idt _KiTrap0A,         INT_32_DPL0  /* INT 0A: Invalid TSS Exception (#TS)  */
  46 idt _KiTrap0B,         INT_32_DPL0  /* INT 0B: Segment Not Present (#NP)    */
  47 idt _KiTrap0C,         INT_32_DPL0  /* INT 0C: Stack Fault Exception (#SS)  */
  48 idt _KiTrap0D,         INT_32_DPL0  /* INT 0D: General Protection (#GP)     */
  49 idt _KiTrap0E,         INT_32_DPL0  /* INT 0E: Page-Fault Exception (#PF)   */
  50 idt _KiTrap0F,         INT_32_DPL0  /* INT 0F: RESERVED                     */
  51 idt _KiTrap10,         INT_32_DPL0  /* INT 10: x87 FPU Error (#MF)          */
  52 idt _KiTrap11,         INT_32_DPL0  /* INT 11: Align Check Exception (#AC)  */
  53 idt _KiTrap0F,         INT_32_DPL0  /* INT 12: Machine Check Exception (#MC)*/
  54 idt _KiTrap0F,         INT_32_DPL0  /* INT 13: SIMD FPU Exception (#XF)     */
  55 .rept 22
  56 idt _KiTrap0F,         INT_32_DPL0  /* INT 14-29: UNDEFINED INTERRUPTS      */
  57 .endr
  58 idt _KiGetTickCount,   INT_32_DPL3  /* INT 2A: Get Tick Count Handler       */
  59 idt _KiCallbackReturn, INT_32_DPL3  /* INT 2B: User-Mode Callback Return    */
  60 idt _KiRaiseAssertion, INT_32_DPL3  /* INT 2C: Debug Assertion Handler      */
  61 idt _KiDebugService,   INT_32_DPL3  /* INT 2D: Debug Service Handler        */
  62 idt _KiSystemService,  INT_32_DPL3  /* INT 2E: System Call Service Handler  */
  63 idt _KiTrap0F,         INT_32_DPL0  /* INT 2F: RESERVED                     */
  64 i = 0
  65 .rept 208
  66     GENERATE_IDT_STUB %i
  67     i = i + 1
  68 .endr
  69
  70 PUBLIC _KiIdtDescriptor
  71 _KiIdtDescriptor:
  72     .short 0
  73     .short 0x7FF
  74     .long _KiIdt
  75
  76 PUBLIC _KiUnexpectedEntrySize
  77 _KiUnexpectedEntrySize:
  78     .long _KiUnexpectedInterrupt1 - _KiUnexpectedInterrupt0
  79
  80 /******************************************************************************/
  81 .code32
  82 .text
  83
  84 TRAP_ENTRY KiTrap00, KI_PUSH_FAKE_ERROR_CODE
  85 TRAP_ENTRY KiTrap01, KI_PUSH_FAKE_ERROR_CODE
  86 TRAP_ENTRY KiTrap03, KI_PUSH_FAKE_ERROR_CODE
  87 TRAP_ENTRY KiTrap04, KI_PUSH_FAKE_ERROR_CODE
  88 TRAP_ENTRY KiTrap05, KI_PUSH_FAKE_ERROR_CODE
  89 TRAP_ENTRY KiTrap06, KI_PUSH_FAKE_ERROR_CODE
  90 TRAP_ENTRY KiTrap07, KI_PUSH_FAKE_ERROR_CODE
  91 TRAP_ENTRY KiTrap08, 0
  92 TRAP_ENTRY KiTrap09, KI_PUSH_FAKE_ERROR_CODE
  93 TRAP_ENTRY KiTrap0A, 0
  94 TRAP_ENTRY KiTrap0B, 0
  95 TRAP_ENTRY KiTrap0C, 0
  96 TRAP_ENTRY KiTrap0D, 0
  97 TRAP_ENTRY KiTrap0E, 0
  98 TRAP_ENTRY KiTrap0F, KI_PUSH_FAKE_ERROR_CODE
  99 TRAP_ENTRY KiTrap10, KI_PUSH_FAKE_ERROR_CODE
 100 TRAP_ENTRY KiTrap11, KI_PUSH_FAKE_ERROR_CODE
 101 TRAP_ENTRY KiTrap13, KI_PUSH_FAKE_ERROR_CODE
 102 TRAP_ENTRY KiGetTickCount, KI_PUSH_FAKE_ERROR_CODE
 103 TRAP_ENTRY KiCallbackReturn, KI_PUSH_FAKE_ERROR_CODE
 104 TRAP_ENTRY KiRaiseAssertion, KI_PUSH_FAKE_ERROR_CODE
 105 TRAP_ENTRY KiDebugService, KI_PUSH_FAKE_ERROR_CODE
 106 TRAP_ENTRY KiUnexpectedInterruptTail, 0
 107
 108 ALIGN 4
 109 EXTERN @KiInterruptTemplateHandler@8
 110 PUBLIC _KiInterruptTemplate
 111 _KiInterruptTemplate:
 112     KiEnterTrap KI_PUSH_FAKE_ERROR_CODE
 113 PUBLIC _KiInterruptTemplate2ndDispatch
 114 _KiInterruptTemplate2ndDispatch:
 115     mov edx, 0
 116 PUBLIC _KiInterruptTemplateObject
 117 _KiInterruptTemplateObject:
 118     mov eax, offset @KiInterruptTemplateHandler@8
 119     jmp eax
 120 PUBLIC _KiInterruptTemplateDispatch
 121 _KiInterruptTemplateDispatch:
 122
 123 EXTERN @KiSystemServiceHandler@8:PROC
 124 PUBLIC _KiSystemService
 125 _KiSystemService:
 126     KiEnterTrap (KI_PUSH_FAKE_ERROR_CODE OR KI_NONVOLATILES_ONLY OR KI_DONT_SAVE_SEGS)
 127     jmp @KiSystemServiceHandler@8
 128
 129 EXTERN @KiFastCallEntryHandler@8:PROC
 130 PUBLIC _KiFastCallEntry
 131 _KiFastCallEntry:
 132     KiEnterTrap (KI_FAST_SYSTEM_CALL OR KI_NONVOLATILES_ONLY OR KI_DONT_SAVE_SEGS)
 133     jmp @KiFastCallEntryHandler@8
 134
 135 PUBLIC _KiStartUnexpectedRange@0
 136 _KiStartUnexpectedRange@0:
 137 i = 0
 138 .rept 208
 139     GENERATE_INT_HANDLER %i
 140     i = i + 1
 141 .endr
 142 PUBLIC _KiEndUnexpectedRange@0
 143 _KiEndUnexpectedRange@0:
 144     jmp _KiUnexpectedInterruptTail
 145
 146 END