diff --git a/cpukit/score/cpu/bfin/ChangeLog b/cpukit/score/cpu/bfin/ChangeLog
index b7de26fb2f..5f276f92e1 100644
--- a/cpukit/score/cpu/bfin/ChangeLog
+++ b/cpukit/score/cpu/bfin/ChangeLog
@@ -1,3 +1,7 @@
+2010-04-17	Mike Frysinger <vapier.adi@gmail.com>
+
+	* cpu.c: Blackfin ABI requires L registers to be 0 upon function entry.
+
 2010-03-27	Joel Sherrill <joel.sherrill@oarcorp.com>
 
 	* Makefile.am: Remove unused file.
diff --git a/cpukit/score/cpu/bfin/cpu.c b/cpukit/score/cpu/bfin/cpu.c
index 58b96bae54..4afab4ab7c 100644
--- a/cpukit/score/cpu/bfin/cpu.c
+++ b/cpukit/score/cpu/bfin/cpu.c
@@ -195,6 +195,12 @@ void _CPU_Context_Initialize(
     the_context->register_sp = stack_high;
     the_context->register_rets = (uint32_t) entry_point;
     the_context->imask = new_level ? 0 : 0xffff;
+
+    /* Blackfin C ABI requires L regs to be 0 upon func entry. */
+    the_context->register_l0 = 0;
+    the_context->register_l1 = 0;
+    the_context->register_l2 = 0;
+    the_context->register_l3 = 0;
 }