fix arm clone syscall bug (no effect unless app uses clone)

the code to exit the new thread/process after the start function
returns was mixed up in its syscall convention.

diff --git a/src/thread/arm/clone.s b/src/thread/arm/clone.s
index ce372ad..daf8f55 100644 (file)
--- a/src/thread/arm/clone.s
+++ b/src/thread/arm/clone.s
@@ -27,8 +27,7 @@ clone:
        bne 1f
        mov lr,pc
        mov pc,r5
-2:     mov r1,r0
-       mov r0,#1
+2:     mov r7,#1
        svc 0
 
 1:     mov lr,pc