initial import of NetBSD tree

1 files changed, 72 insertions, 0 deletions

diff --git a/sys/arch/i386/include/tss.h b/sys/arch/i386/include/tss.h
new file mode 100644
index 00000000000..d343f4c4d06
--- /dev/null
+++ b/sys/arch/i386/include/tss.h
@@ -0,0 +1,72 @@
+/*	$NetBSD: tss.h,v 1.6 1995/10/11 04:20:28 mycroft Exp $	*/
+
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)tss.h	5.4 (Berkeley) 1/18/91
+ */
+
+/*
+ * Intel 386 Context Data Type
+ */
+
+struct i386tss {
+	int	__tss_link;
+	int	tss_esp0; 	/* kernel stack pointer at privilege level 0 */
+	int	tss_ss0;	/* kernel stack segment at privilege level 0 */
+	int	__tss_esp1;
+	int	__tss_ss1;
+	int	__tss_esp2;
+	int	__tss_ss2;
+	int	tss_cr3;	/* page directory paddr */
+	int	__tss_eip;
+	int	__tss_eflags;
+	int	__tss_eax; 
+	int	__tss_ecx; 
+	int	__tss_edx; 
+	int	__tss_ebx; 
+	int	tss_esp;	/* saved stack pointer */
+	int	tss_ebp;	/* saved frame pointer */
+	int	__tss_esi; 
+	int	__tss_edi; 
+	int	__tss_es;
+	int	__tss_cs;
+	int	__tss_ss;
+	int	__tss_ds;
+	int	tss_fs;		/* saved segment register */
+	int	tss_gs;		/* saved segment register */
+	int	tss_ldt;	/* LDT selector */
+	int	tss_ioopt;	/* options and I/O permission map offset */
+};