root/include/linux/vm86.h

/* */

INCLUDED FROM

   1 #ifndef _LINUX_VM86_H
   2 #define _LINUX_VM86_H
   3 
   4 #define VM_MASK 0x00020000
   5 
   6 /*
   7  * This is the stack-layout when we have done a "SAVE_ALL" from vm86
   8  * mode - the main change is that the old segment descriptors aren't
   9  * useful any more and are forced to be zero by the kernel (and the
  10  * hardware when a trap occurs), and the real segment descriptors are
  11  * at the end of the structure. Look at ptrace.h to see the "normal"
  12  * setup.
  13  */
  14 
  15 struct vm86_regs {
  16 /*
  17  * normal regs, with special meaning for the segment descriptors..
  18  */
  19         long ebx;
  20         long ecx;
  21         long edx;
  22         long esi;
  23         long edi;
  24         long ebp;
  25         long eax;
  26         long __null_ds;
  27         long __null_es;
  28         long __null_fs;
  29         long __null_gs;
  30         long orig_eax;
  31         long eip;
  32         long cs;
  33         long eflags;
  34         long esp;
  35         long ss;
  36 /*
  37  * these are specific to v86 mode:
  38  */
  39         long es;
  40         long ds;
  41         long fs;
  42         long gs;
  43 };
  44 
  45 struct vm86_struct {
  46         struct vm86_regs regs;
  47         unsigned long flags;
  48         unsigned long screen_bitmap;
  49 };
  50 
  51 /*
  52  * flags masks
  53  */
  54 #define VM86_SCREEN_BITMAP 1
  55 
  56 #endif

/* */