Index: kernel/arch/mips64/include/context.h
===================================================================
--- kernel/arch/mips64/include/context.h	(revision 1b478f661c486eaaf171a6561c652459502ed22f)
+++ kernel/arch/mips64/include/context.h	(revision 9bdf1f2aad059bcc24e1668155fba7964fe90426)
@@ -42,5 +42,5 @@
  * Put one item onto the stack to support get_stack_base() and align it up.
  */
-#define SP_DELTA  (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT))
+#define SP_DELTA  (ABI_STACK_FRAME + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT))
 
 #ifndef __ASM__
Index: kernel/arch/mips64/include/stack.h
===================================================================
--- kernel/arch/mips64/include/stack.h	(revision 1b478f661c486eaaf171a6561c652459502ed22f)
+++ kernel/arch/mips64/include/stack.h	(revision 9bdf1f2aad059bcc24e1668155fba7964fe90426)
@@ -38,4 +38,5 @@
 #define STACK_ITEM_SIZE  8
 #define STACK_ALIGNMENT  8
+#define ABI_STACK_FRAME  64
 
 #endif