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