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      1 *	$NetBSD: x_bsun.sa,v 1.3 2001/06/11 01:50:54 wiz Exp $
      2 
      3 *	MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
      4 *	M68000 Hi-Performance Microprocessor Division
      5 *	M68040 Software Package 
      6 *
      7 *	M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc.
      8 *	All rights reserved.
      9 *
     10 *	THE SOFTWARE is provided on an "AS IS" basis and without warranty.
     11 *	To the maximum extent permitted by applicable law,
     12 *	MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
     13 *	INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
     14 *	PARTICULAR PURPOSE and any warranty against infringement with
     15 *	regard to the SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF)
     16 *	and any accompanying written materials. 
     17 *
     18 *	To the maximum extent permitted by applicable law,
     19 *	IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER
     20 *	(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS
     21 *	PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR
     22 *	OTHER PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE
     23 *	SOFTWARE.  Motorola assumes no responsibility for the maintenance
     24 *	and support of the SOFTWARE.  
     25 *
     26 *	You are hereby granted a copyright license to use, modify, and
     27 *	distribute the SOFTWARE so long as this entire notice is retained
     28 *	without alteration in any modified and/or redistributed versions,
     29 *	and that such modified versions are clearly identified as such.
     30 *	No licenses are granted by implication, estoppel or otherwise
     31 *	under any patents or trademarks of Motorola, Inc.
     32 
     33 *
     34 *	x_bsun.sa 3.3 7/1/91
     35 *
     36 *	fpsp_bsun --- FPSP handler for branch/set on unordered exception
     37 *
     38 *	Copy the PC to FPIAR to maintain 881/882 compatibility
     39 *
     40 *	The real_bsun handler will need to perform further corrective
     41 *	measures as outlined in the 040 User's Manual on pages
     42 *	9-41f, section 9.8.3.
     43 *
     44 
     45 X_BSUN	IDNT    2,1 Motorola 040 Floating Point Software Package
     46 
     47 	section	8
     48 
     49 	include	fpsp.h
     50 
     51 	xref	real_bsun
     52 
     53 	xdef	fpsp_bsun
     54 fpsp_bsun:
     55 *
     56 	link		a6,#-LOCAL_SIZE
     57 	fsave		-(a7)
     58 	movem.l		d0-d1/a0-a1,USER_DA(a6)
     59 	fmovem.x	fp0-fp3,USER_FP0(a6)
     60 	fmovem.l	fpcr/fpsr/fpiar,USER_FPCR(a6)
     61 
     62 *
     63 	move.l		EXC_PC(a6),USER_FPIAR(a6)
     64 *
     65 	movem.l		USER_DA(a6),d0-d1/a0-a1
     66 	fmovem.x	USER_FP0(a6),fp0-fp3
     67 	fmovem.l	USER_FPCR(a6),fpcr/fpsr/fpiar
     68 	frestore	(a7)+
     69 	unlk		a6
     70 	bra.l		real_bsun
     71 *
     72 	end
     73