1 |
2 | x_bsun.sa 3.3 7/1/91
3 |
4 | fpsp_bsun --- FPSP handler for branch/
5 |
6 | Copy the PC to FPIAR to maintain 881/8
7 |
8 | The real_bsun handler will need to per
9 | measures as outlined in the 040 User's
10 | 9-41f, section 9.8.3.
11 |
12
13 | Copyright (C) Motorola, Inc. 1
14 | All Rights Reserved
15 |
16 | For details on the license for this fi
17 | file, README, in this same directory.
18
19 X_BSUN: |idnt 2,1 | Motorola 040 Floating P
20
21 |section 8
22
23 #include "fpsp.h"
24
25 |xref real_bsun
26
27 .global fpsp_bsun
28 fpsp_bsun:
29 |
30 link %a6,#-LOCAL_SIZE
31 fsave -(%a7)
32 moveml %d0-%d1/%a0-%a1,USER_D
33 fmovemx %fp0-%fp3,USER_FP0(%a6)
34 fmoveml %fpcr/%fpsr/%fpiar,USER_FPCR(%
35
36 |
37 movel EXC_PC(%a6),USER_FPIAR
38 |
39 moveml USER_DA(%a6),%d0-%d1/%
40 fmovemx USER_FP0(%a6),%fp0-%fp3
41 fmoveml USER_FPCR(%a6),%fpcr/%fpsr/%fp
42 frestore (%a7)+
43 unlk %a6
44 bral real_bsun
45 |
46 |end
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