bionic/libc/kernel/arch-x86/asm/vm86.h

/****************************************************************************
 ****************************************************************************
 ***
 ***   This header was automatically generated from a Linux kernel header
 ***   of the same name, to make information necessary for userspace to
 ***   call into the kernel available to libc.  It contains only constants,
 ***   structures, and macros generated from the original header, and thus,
 ***   contains no copyrightable information.
 ***
 ****************************************************************************
 ****************************************************************************/
#ifndef _LINUX_VM86_H
#define _LINUX_VM86_H

#define TF_MASK 0x00000100
#define IF_MASK 0x00000200
#define IOPL_MASK 0x00003000
#define NT_MASK 0x00004000
#define VM_MASK 0  
#define AC_MASK 0x00040000
#define VIF_MASK 0x00080000  
#define VIP_MASK 0x00100000  
#define ID_MASK 0x00200000

#define BIOSSEG 0x0f000

#define CPU_086 0
#define CPU_186 1
#define CPU_286 2
#define CPU_386 3
#define CPU_486 4
#define CPU_586 5

#define VM86_TYPE(retval) ((retval) & 0xff)
#define VM86_ARG(retval) ((retval) >> 8)

#define VM86_SIGNAL 0  
#define VM86_UNKNOWN 1  
#define VM86_INTx 2  
#define VM86_STI 3  

#define VM86_PICRETURN 4  
#define VM86_TRAP 6  

#define VM86_PLUS_INSTALL_CHECK 0
#define VM86_ENTER 1
#define VM86_ENTER_NO_BYPASS 2
#define VM86_REQUEST_IRQ 3
#define VM86_FREE_IRQ 4
#define VM86_GET_IRQ_BITS 5
#define VM86_GET_AND_RESET_IRQ 6

struct vm86_regs {

 long ebx;
 long ecx;
 long edx;
 long esi;
 long edi;
 long ebp;
 long eax;
 long __null_ds;
 long __null_es;
 long __null_fs;
 long __null_gs;
 long orig_eax;
 long eip;
 unsigned short cs, __csh;
 long eflags;
 long esp;
 unsigned short ss, __ssh;

 unsigned short es, __esh;
 unsigned short ds, __dsh;
 unsigned short fs, __fsh;
 unsigned short gs, __gsh;
};

struct revectored_struct {
 unsigned long __map[8];
};

struct vm86_struct {
 struct vm86_regs regs;
 unsigned long flags;
 unsigned long screen_bitmap;
 unsigned long cpu_type;
 struct revectored_struct int_revectored;
 struct revectored_struct int21_revectored;
};

#define VM86_SCREEN_BITMAP 0x0001

struct vm86plus_info_struct {
 unsigned long force_return_for_pic:1;
 unsigned long vm86dbg_active:1;
 unsigned long vm86dbg_TFpendig:1;
 unsigned long unused:28;
 unsigned long is_vm86pus:1;
 unsigned char vm86dbg_intxxtab[32];
};

struct vm86plus_struct {
 struct vm86_regs regs;
 unsigned long flags;
 unsigned long screen_bitmap;
 unsigned long cpu_type;
 struct revectored_struct int_revectored;
 struct revectored_struct int21_revectored;
 struct vm86plus_info_struct vm86plus;
};

#endif