arch/i386-all/include/aros/i386/cpucontext.h

   1 /*
   2     Copyright © 1995-2010, The AROS Development Team. All rights reserved.
   3     $Id: $
   4
   5     Desc: CPU context definition for x86 processors
   6     Lang: english
   7 */
   8
   9 /* Black boxes for now */
  10 struct FPUContext;
  11 struct FPXContext;
  12
  13 struct ExceptionContext
  14 {
  15     ULONG Flags;        /* Context flags                */
  16     ULONG eax;
  17     ULONG ebx;
  18     ULONG ecx;
  19     ULONG edx;
  20     ULONG esi;
  21     ULONG edi;
  22     ULONG ebp;
  23     ULONG ds;
  24     ULONG es;
  25     ULONG fs;
  26     ULONG gs;
  27     ULONG eip;
  28     ULONG cs;
  29     ULONG eflags;
  30     ULONG esp;
  31     ULONG ss;
  32
  33     struct FPUContext *FPData;  /* Pointer to 8087 FPU context area     */
  34     struct FPXContext *FXData;  /* Pointer to SSE context area          */
  35 };
  36
  37 enum enECFlags
  38 {
  39     ECF_SEGMENTS = 1<<0, /* Segment registers are present */
  40     ECF_FPU      = 1<<1, /* 8087 FPU context is present   */
  41     ECF_FPX      = 1<<2, /* SSE context is present        */
  42 };