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|
|
| 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| THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MOTOROLA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
|
