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-rw-r--r--arch/blackfin/mach-common/entry.S11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 8eb0a9023482..7d0368772cda 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -181,6 +181,12 @@ ENTRY(_ex_single_step)
_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;
@@ -706,6 +712,11 @@ _schedule_and_signal_from_int:
p1.h = _evt_system_call;
[p0] = p1;
csync;
+
+ /* Set orig_p0 to -1 to indicate this isn't the end of a syscall. */
+ r0 = -1 (x);
+ [sp + PT_ORIG_P0] = r0;
+
p1 = rets;
[sp + PT_RESERVED] = p1;