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46 lines
990 B
46 lines
990 B
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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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| For details on the license for this file, please see the |
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| file, README, in this same directory. |
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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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