1 files changed, 46 insertions, 0 deletions
diff --git a/arch/m68k/fpsp040/x_bsun.S b/arch/m68k/fpsp040/x_bsun.S
new file mode 100644
index 000000000..d5a576bfa
--- /dev/null
+++ b/arch/m68k/fpsp040/x_bsun.S
@@ -0,0 +1,46 @@
+|
+|	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