| | |
| | 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. |
| | |
| |
| | Copyright (C) Motorola, Inc. 1990 |
| | All Rights Reserved |
| | |
| | THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MOTOROLA |
| | The copyright notice above does not evidence any |
| | actual or intended publication of such source code. |
| |
| X_BSUN: |idnt 2,1 | Motorola 040 Floating Point Software Package |
| |
| |section 8 |
| |
| #include "fpsp.h" |
| |
| |xref real_bsun |
| |
| .global fpsp_bsun |
| fpsp_bsun: |
| | |
| link %a6,#-LOCAL_SIZE |
| fsave -(%a7) |
| moveml %d0-%d1/%a0-%a1,USER_DA(%a6) |
| fmovemx %fp0-%fp3,USER_FP0(%a6) |
| fmoveml %fpcr/%fpsr/%fpiar,USER_FPCR(%a6) |
| |
| | |
| movel EXC_PC(%a6),USER_FPIAR(%a6) |
| | |
| moveml USER_DA(%a6),%d0-%d1/%a0-%a1 |
| fmovemx USER_FP0(%a6),%fp0-%fp3 |
| fmoveml USER_FPCR(%a6),%fpcr/%fpsr/%fpiar |
| frestore (%a7)+ |
| unlk %a6 |
| bral real_bsun |
| | |
| |end |
