commit 8af10b79877ff5dfd5c7b1928d57cf38483e819d
author Michael Hennerich <michael.hennerich@analog.com> Mon May 21 18:09:09 2007 +0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Mon May 21 09:50:21 2007 -0700
tree 764cb92a90fd2853044a9edb1c1eb575b0bce6ed
parent e8edc6e03a5c8562dc70a6d969f732bdb355a7e7

Blackfin arch: Add Workaround for ANOMALY 05000257

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/blackfin/mach-common/entry.S

diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 8eb0a90..e463733 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -181,6 +181,12 @@
 
 _return_from_exception:
 	DEBUG_START_HWTRACE
+#ifdef ANOMALY_05000257
+	R7=LC0;
+	LC0=R7;
+	R7=LC1;
+	LC1=R7;
+#endif
 	(R7:6,P5:4) = [sp++];
 	ASTAT = [sp++];
 	sp = retn;