* $NetBSD: x_bsun.sa,v 1.3 2001/06/11 01:50:54 wiz 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 compatibility * * 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 |