From d86a32bbb2ff79232bf3edc0f475062f45b6ea90 Mon Sep 17 00:00:00 2001
From: Jyun-Yan You <jyyou@cs.nctu.edu.tw>
Date: Tue, 21 May 2013 11:58:08 +0800
Subject: fix mips stack alignment

---
 src/rt/arch/mips/context.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'src/rt')

diff --git a/src/rt/arch/mips/context.cpp b/src/rt/arch/mips/context.cpp
index 7347a92e98b..e1e5776bc1a 100644
--- a/src/rt/arch/mips/context.cpp
+++ b/src/rt/arch/mips/context.cpp
@@ -34,9 +34,11 @@ void context::call(void *f, void *arg, void *stack)
 
   // set up the stack
   uint32_t *sp = (uint32_t *)stack;
-  //sp = align_down(sp);
+  sp = align_down(sp);
   // The final return address. 0 indicates the bottom of the stack
-  *--sp = 0;
+  // sp of mips o32 is 8-byte aligned
+  sp -= 2;
+  *sp = 0;
 
   regs.data[4] = (uint32_t)arg;
   regs.data[29] = (uint32_t)sp;
-- 
cgit 1.4.1-3-g733a5