[rtems commit] bsps/nios2: Use interrupt stack for init stack

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    38f81bfc210590c8175b9d2dbc4d38f400df51cb
Changeset: http://git.rtems.org/rtems/commit/?id=38f81bfc210590c8175b9d2dbc4d38f400df51cb

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Fri Nov 16 08:01:24 2018 +0100

bsps/nios2: Use interrupt stack for init stack

Update #3459.

---

 bsps/nios2/nios2_iss/start/start.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bsps/nios2/nios2_iss/start/start.S b/bsps/nios2/nios2_iss/start/start.S
index 1ffa4fc..5caa441 100644
--- a/bsps/nios2/nios2_iss/start/start.S
+++ b/bsps/nios2/nios2_iss/start/start.S
@@ -104,6 +104,9 @@ dcache_init_loop:
 1:
     #------------------------------------------------------
     # jump to (shared) boot_card (never comes back)
+    # use configuration defined stack
+    movhi   sp, %hiadj(_ISR_Stack_area_end - 4)
+    addi    sp, sp, %lo(_ISR_Stack_area_end - 4)
     mov r4, zero
     mov r5, zero
     mov r6, zero