NetBSD/sys/arch/x86_64/include/specialreg.h

25 lines
703 B
C

/* $NetBSD: specialreg.h,v 1.1 2001/06/19 00:20:13 fvdl Exp $ */
#ifdef _KERNEL
#include <i386/include/specialreg.h>
#else
#include <i386/specialreg.h>
#endif
/*
* Extended Feature Enable Register of the x86-64
*/
#define MSR_EFER 0xc0000080
#define EFER_SCE 0x00000001 /* SYSCALL extension */
#define EFER_LME 0x00000100 /* Long Mode Active */
#define EFER_LMA 0x00000400 /* Long Mode Enabled */
#define MSR_STAR 0xc0000081 /* 32 bit syscall gate addr */
#define MSR_LSTAR 0xc0000082 /* 64 bit syscall gate addr */
#define MSR_CSTAR 0xc0000083 /* compat syscall gate addr */
#define MSR_FSBASE 0xc0000100 /* 64bit offset for fs: */
#define MSR_GSBASE 0xc0000101 /* 64bit offset for gs: */