From 13a32db008af09b67967e58d09c3d7c2835cfdd8 Mon Sep 17 00:00:00 2001
From: okuji <okuji@localhost>
Date: Thu, 19 Oct 2000 18:53:11 +0000
Subject: [PATCH] I forgot to add stage2/setjmp.S.

---
 stage2/setjmp.S | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 stage2/setjmp.S

diff --git a/stage2/setjmp.S b/stage2/setjmp.S
new file mode 100644
index 000000000..59161fef0
--- /dev/null
+++ b/stage2/setjmp.S
@@ -0,0 +1,81 @@
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2000 Free Software Foundation, Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* This is stolen from libc/x86/setjmp.S in the OSKit */
+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ * C library -- _setjmp, _longjmp
+ *
+ *      _longjmp(a,v)
+ * will generate a "return(v)" from
+ * the last call to
+ *      _setjmp(a)
+ * by restoring registers from the stack,
+ * The previous signal state is NOT restored.
+ *
+ */
+	
+ENTRY(grub_setjmp)
+	movl	4(%esp), %ecx		/* fetch buffer */
+	movl	%ebx, 0(%ecx)
+	movl	%esi, 4(%ecx)
+	movl	%edi, 8(%ecx)
+	movl	%ebp, 12(%ecx)		/* save frame pointer of caller */
+	popl	%edx
+	movl	%esp, 16(%ecx)		/* save stack pointer of caller */
+	movl	%edx, 20(%ecx)		/* save pc of caller */
+	xorl	%eax, %eax
+        jmp     *%edx
+
+ENTRY(grub_longjmp)
+	movl	8(%esp), %eax		/* return(v) */
+	movl	4(%esp), %ecx		/* fetch buffer */
+	movl	0(%ecx), %ebx
+	movl	4(%ecx), %esi
+	movl	8(%ecx), %edi
+	movl	12(%ecx), %ebp
+	movl	16(%ecx), %esp
+	orl	%eax, %eax
+	jnz	0f
+	incl	%eax
+0:	jmp	*20(%ecx)		/* done, return.... */