initial import of NetBSD tree

1 files changed, 122 insertions, 0 deletions

diff --git a/sys/arch/i386/include/frame.h b/sys/arch/i386/include/frame.h
new file mode 100644
index 00000000000..6b7e395bc66
--- /dev/null
+++ b/sys/arch/i386/include/frame.h
@@ -0,0 +1,122 @@
+/*	$NetBSD: frame.h,v 1.12 1995/10/11 04:20:08 mycroft Exp $	*/
+
+/*-
+ * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
+ * 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.
+ *
+ *	@(#)frame.h	5.2 (Berkeley) 1/18/91
+ */
+
+#include <sys/signal.h>
+
+/*
+ * System stack frames.
+ */
+
+/*
+ * Exception/Trap Stack Frame
+ */
+struct trapframe {
+	int	tf_es;
+	int	tf_ds;
+	int	tf_edi;
+	int	tf_esi;
+	int	tf_ebp;
+	int	tf_ebx;
+	int	tf_edx;
+	int	tf_ecx;
+	int	tf_eax;
+	int	tf_trapno;
+	/* below portion defined in 386 hardware */
+	int	tf_err;
+	int	tf_eip;
+	int	tf_cs;
+	int	tf_eflags;
+	/* below used when transitting rings (e.g. user to kernel) */
+	int	tf_esp;
+	int	tf_ss;
+	/* below used when switching out of VM86 mode */
+	int	tf_vm86_es;
+	int	tf_vm86_ds;
+	int	tf_vm86_fs;
+	int	tf_vm86_gs;
+};
+
+/*
+ * Interrupt stack frame
+ */
+struct intrframe {
+	int	if_ppl;
+	int	if_es;
+	int	if_ds;
+	int	if_edi;
+	int	if_esi;
+	int	if_ebp;
+	int	if_ebx;
+	int	if_edx;
+	int	if_ecx;
+	int	if_eax;
+	int	:32;		/* for compat with trap frame - trapno */
+	int	:32;		/* for compat with trap frame - err */
+	/* below portion defined in 386 hardware */
+	int	if_eip;
+	int	if_cs;
+	int	if_eflags;
+	/* below only when transitting rings (e.g. user to kernel) */
+	int	if_esp;
+	int	if_ss;
+};
+
+/*
+ * Stack frame inside cpu_switch()
+ */
+struct switchframe {
+	int	sf_ppl;
+	int	sf_edi;
+	int	sf_esi;
+	int	sf_ebx;
+	int	sf_eip;
+};
+
+/*
+ * Signal frame
+ */
+struct sigframe {
+	int	sf_signum;
+	int	sf_code;
+	struct	sigcontext *sf_scp;
+	sig_t	sf_handler;
+	struct	sigcontext sf_sc;
+};