73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
* $NetBSD: x_bsun.sa,v 1.2 1994/10/26 07:50:22 cgd Exp $
|
|
|
|
* MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
|
|
* M68000 Hi-Performance Microprocessor Division
|
|
* M68040 Software Package
|
|
*
|
|
* M68040 Software Package Copyright (c) 1993, 1994 Motorola Inc.
|
|
* All rights reserved.
|
|
*
|
|
* THE SOFTWARE is provided on an "AS IS" basis and without warranty.
|
|
* To the maximum extent permitted by applicable law,
|
|
* MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
|
|
* INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
|
|
* PARTICULAR PURPOSE and any warranty against infringement with
|
|
* regard to the SOFTWARE (INCLUDING ANY MODIFIED VERSIONS THEREOF)
|
|
* and any accompanying written materials.
|
|
*
|
|
* To the maximum extent permitted by applicable law,
|
|
* IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER
|
|
* (INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS
|
|
* PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR
|
|
* OTHER PECUNIARY LOSS) ARISING OF THE USE OR INABILITY TO USE THE
|
|
* SOFTWARE. Motorola assumes no responsibility for the maintenance
|
|
* and support of the SOFTWARE.
|
|
*
|
|
* You are hereby granted a copyright license to use, modify, and
|
|
* distribute the SOFTWARE so long as this entire notice is retained
|
|
* without alteration in any modified and/or redistributed versions,
|
|
* and that such modified versions are clearly identified as such.
|
|
* No licenses are granted by implication, estoppel or otherwise
|
|
* under any patents or trademarks of Motorola, Inc.
|
|
|
|
*
|
|
* x_bsun.sa 3.3 7/1/91
|
|
*
|
|
* fpsp_bsun --- FPSP handler for branch/set on unordered exception
|
|
*
|
|
* Copy the PC to FPIAR to maintain 881/882 compatability
|
|
*
|
|
* The real_bsun handler will need to perform further corrective
|
|
* measures as outlined in the 040 User's Manual on pages
|
|
* 9-41f, section 9.8.3.
|
|
*
|
|
|
|
X_BSUN IDNT 2,1 Motorola 040 Floating Point Software Package
|
|
|
|
section 8
|
|
|
|
include fpsp.h
|
|
|
|
xref real_bsun
|
|
|
|
xdef fpsp_bsun
|
|
fpsp_bsun:
|
|
*
|
|
link a6,#-LOCAL_SIZE
|
|
fsave -(a7)
|
|
movem.l d0-d1/a0-a1,USER_DA(a6)
|
|
fmovem.x fp0-fp3,USER_FP0(a6)
|
|
fmovem.l fpcr/fpsr/fpiar,USER_FPCR(a6)
|
|
|
|
*
|
|
move.l EXC_PC(a6),USER_FPIAR(a6)
|
|
*
|
|
movem.l USER_DA(a6),d0-d1/a0-a1
|
|
fmovem.x USER_FP0(a6),fp0-fp3
|
|
fmovem.l USER_FPCR(a6),fpcr/fpsr/fpiar
|
|
frestore (a7)+
|
|
unlk a6
|
|
bra.l real_bsun
|
|
*
|
|
end
|