xref: /openbmc/linux/arch/m68k/fpsp040/x_bsun.S (revision e00d82d0)
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|       For details on the license for this file, please see the
17|       file, README, in this same directory.
18
19X_BSUN:	|idnt    2,1 | Motorola 040 Floating Point Software Package
20
21	|section	8
22
23#include "fpsp.h"
24
25	|xref	real_bsun
26
27	.global	fpsp_bsun
28fpsp_bsun:
29|
30	link		%a6,#-LOCAL_SIZE
31	fsave		-(%a7)
32	moveml		%d0-%d1/%a0-%a1,USER_DA(%a6)
33	fmovemx	%fp0-%fp3,USER_FP0(%a6)
34	fmoveml	%fpcr/%fpsr/%fpiar,USER_FPCR(%a6)
35
36|
37	movel		EXC_PC(%a6),USER_FPIAR(%a6)
38|
39	moveml		USER_DA(%a6),%d0-%d1/%a0-%a1
40	fmovemx	USER_FP0(%a6),%fp0-%fp3
41	fmoveml	USER_FPCR(%a6),%fpcr/%fpsr/%fpiar
42	frestore	(%a7)+
43	unlk		%a6
44	bral		real_bsun
45|
46	|end
47