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