reactos/ntoskrnl/include/internal/i386/v86m.h

   1 #ifndef __V86M_
   2 #define __V86M_
   3
   4 #include "ketypes.h"
   5
   6 /* Emulate cli/sti instructions */
   7 #define KV86M_EMULATE_CLI_STI          (0x1)
   8 /* Allow the v86 mode code to access i/o ports */
   9 #define KV86M_ALLOW_IO_PORT_ACCESS      (0x2)
  10
  11 typedef struct _KV86M_REGISTERS
  12 {
  13     /*
  14      * General purpose registers
  15      */
  16     ULONG Ebp;
  17     ULONG Edi;
  18     ULONG Esi;
  19     ULONG Edx;
  20     ULONG Ecx;
  21     ULONG Ebx;
  22     ULONG Eax;
  23     ULONG Ds;
  24     ULONG Es;
  25     ULONG Fs;
  26     ULONG Gs;
  27
  28     /*
  29      * Control registers
  30      */
  31     ULONG Eip;
  32     ULONG Cs;
  33     ULONG Eflags;
  34     ULONG Esp;
  35     ULONG Ss;
  36
  37     /*
  38      * Control structures
  39      */
  40     ULONG RecoveryAddress;
  41     UCHAR RecoveryInstruction[4];
  42     ULONG Vif;
  43     ULONG Flags;
  44     PNTSTATUS PStatus;
  45 } KV86M_REGISTERS, *PKV86M_REGISTERS;
  46
  47 typedef struct _KV86M_TRAP_FRAME
  48 {
  49     KTRAP_FRAME Tf;
  50
  51     ULONG SavedExceptionStack;
  52
  53     /*
  54      * These are put on the top of the stack by the routine that entered
  55      * v86 mode so the exception handlers can find the control information
  56      */
  57     struct _KV86M_REGISTERS* regs;
  58     ULONG orig_ebp;
  59 } KV86M_TRAP_FRAME, *PKV86M_TRAP_FRAME;
  60
  61 #endif