fix sh __set_thread_area uninitialized return value

this caused the dynamic linker/startup code to abort when r0 happened
to contain a negative value.

diff --git a/src/thread/sh/__set_thread_area.s b/src/thread/sh/__set_thread_area.s
index 53887e640915a6679a2575c7ca816484f2032238..d9f11810455194ffb84b7167fe794164af1210c4 100644 (file)
--- a/src/thread/sh/__set_thread_area.s
+++ b/src/thread/sh/__set_thread_area.s
@@ -1,5 +1,6 @@
 .global __set_thread_area
 .type   __set_thread_area, @function
 __set_thread_area:
+       ldc r4, gbr
        rts
-        ldc r4, gbr
+        mov #0, r0