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48 lines
1.0 KiB
48 lines
1.0 KiB
20 years ago
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| x_bsun.sa 3.3 7/1/91
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| fpsp_bsun --- FPSP handler for branch/set on unordered exception
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| Copy the PC to FPIAR to maintain 881/882 compatibility
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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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| Copyright (C) Motorola, Inc. 1990
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| All Rights Reserved
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| THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MOTOROLA
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| The copyright notice above does not evidence any
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| actual or intended publication of such source code.
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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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.global fpsp_bsun
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fpsp_bsun:
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link %a6,#-LOCAL_SIZE
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fsave -(%a7)
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moveml %d0-%d1/%a0-%a1,USER_DA(%a6)
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fmovemx %fp0-%fp3,USER_FP0(%a6)
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fmoveml %fpcr/%fpsr/%fpiar,USER_FPCR(%a6)
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movel EXC_PC(%a6),USER_FPIAR(%a6)
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moveml USER_DA(%a6),%d0-%d1/%a0-%a1
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fmovemx USER_FP0(%a6),%fp0-%fp3
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fmoveml USER_FPCR(%a6),%fpcr/%fpsr/%fpiar
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frestore (%a7)+
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unlk %a6
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bral real_bsun
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|end
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