diff options
Diffstat (limited to 'libc/kernel/arch-x86/asm/vm86.h')
-rw-r--r-- | libc/kernel/arch-x86/asm/vm86.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/libc/kernel/arch-x86/asm/vm86.h b/libc/kernel/arch-x86/asm/vm86.h new file mode 100644 index 0000000..d0e71f1 --- /dev/null +++ b/libc/kernel/arch-x86/asm/vm86.h @@ -0,0 +1,113 @@ +/**************************************************************************** + **************************************************************************** + *** + *** 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 |