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+ .file "div_small.S"
+/*
+ * div_small.S
+ *
+ * Divide a 64 bit integer by a 32 bit integer & return remainder.
+ *
+ *
+ * Copyright (C) 1992,1993,1994
+ * W. Metzenthen, 22 Parker St, Ormond, Vic 3163,
+ * Australia. E-mail billm@vaxc.cc.monash.edu.au
+ * All rights reserved.
+ *
+ * This copyright notice covers the redistribution and use of the
+ * FPU emulator developed by W. Metzenthen. It covers only its use
+ * in the 386BSD, FreeBSD and NetBSD operating systems. Any other
+ * use is not permitted under this copyright.
+ *
+ * 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 include information specifying
+ * that source code for the emulator is freely available and include
+ * either:
+ * a) an offer to provide the source code for a nominal distribution
+ * fee, or
+ * b) list at least two alternative methods whereby the source
+ * can be obtained, e.g. a publically accessible bulletin board
+ * and an anonymous ftp site from which the software can be
+ * downloaded.
+ * 3. All advertising materials specifically mentioning features or use of
+ * this emulator must acknowledge that it was developed by W. Metzenthen.
+ * 4. The name of W. Metzenthen may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``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
+ * W. METZENTHEN 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.
+ *
+ *
+ * The purpose of this copyright, based upon the Berkeley copyright, is to
+ * ensure that the covered software remains freely available to everyone.
+ *
+ * The software (with necessary differences) is also available, but under
+ * the terms of the GNU copyleft, for the Linux operating system and for
+ * the djgpp ms-dos extender.
+ *
+ * W. Metzenthen June 1994.
+ *
+ *
+ * $Id: div_small.s,v 1.3 1994/06/10 07:44:08 rich Exp $
+ *
+ */
+
+/*---------------------------------------------------------------------------+
+ | unsigned long div_small(unsigned long long *x, unsigned long y) |
+ +---------------------------------------------------------------------------*/
+
+#include "fpu_asm.h"
+
+.text
+ .align 2,144
+
+.globl _div_small
+
+_div_small:
+ pushl %ebp
+ movl %esp,%ebp
+
+ pushl %esi
+
+ movl PARAM1,%esi /* pointer to num */
+ movl PARAM2,%ecx /* The denominator */
+
+ movl 4(%esi),%eax /* Get the current num msw */
+ xorl %edx,%edx
+ divl %ecx
+
+ movl %eax,4(%esi)
+
+ movl (%esi),%eax /* Get the num lsw */
+ divl %ecx
+
+ movl %eax,(%esi)
+
+ movl %edx,%eax /* Return the remainder in eax */
+
+ popl %esi
+
+ leave
+ ret
+