1|
2|	x_bsun.sa 3.3 7/1/91
3|
4|	fpsp_bsun --- FPSP handler for branch/set on unordered exception
5|
6|	Copy the PC to FPIAR to maintain 881/882 compatibility
7|
8|	The real_bsun handler will need to perform further corrective
9|	measures as outlined in the 040 User's Manual on pages
10|	9-41f, section 9.8.3.
11|
12
13|		Copyright (C) Motorola, Inc. 1990
14|			All Rights Reserved
15|
16|	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MOTOROLA
17|	The copyright notice above does not evidence any
18|	actual or intended publication of such source code.
19
20X_BSUN:	|idnt    2,1 | Motorola 040 Floating Point Software Package
21
22	|section	8
23
24	.include "fpsp.h"
25
26	|xref	real_bsun
27
28	.global	fpsp_bsun
29fpsp_bsun:
30|
31	link		%a6,#-LOCAL_SIZE
32	fsave		-(%a7)
33	moveml		%d0-%d1/%a0-%a1,USER_DA(%a6)
34	fmovemx	%fp0-%fp3,USER_FP0(%a6)
35	fmoveml	%fpcr/%fpsr/%fpiar,USER_FPCR(%a6)
36
37|
38	movel		EXC_PC(%a6),USER_FPIAR(%a6)
39|
40	moveml		USER_DA(%a6),%d0-%d1/%a0-%a1
41	fmovemx	USER_FP0(%a6),%fp0-%fp3
42	fmoveml	USER_FPCR(%a6),%fpcr/%fpsr/%fpiar
43	frestore	(%a7)+
44	unlk		%a6
45	bral		real_bsun
46|
47	|end
48