New patch to review for coreboot: f5443f1 libpayload: Move over to the payload's stack during startup

[Stefan Reinauer]

Stefan Reinauer ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/2668

-gerrit

commit f5443f112f7d039a20fe2af9e9f73fbb3ff5776e
Author: Gabe Black 
Date:   Tue Feb 26 19:08:28 2013 -0800

libpayload: Move over to the payload's stack during startup

Don't keep using the coreboot stack on ARMv7.

Change-Id: I734c5d77f8584e30ee0c720d41e21e3040f56db4
    Signed-off-by: Gabe Black 
---
 payloads/libpayload/arch/armv7/head.S | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/payloads/libpayload/arch/armv7/head.S b/payloads/libpayload/arch/armv7/head.S
index e1b5737..7a706e3 100644
--- a/payloads/libpayload/arch/armv7/head.S
+++ b/payloads/libpayload/arch/armv7/head.S
@@ -31,14 +31,21 @@
    .text
    .align 4

+1:
+.word	_stack
+
 /*
  * Our entry point
  */
 _entry:

/* TODO: disable interrupts */
+
    /* TODO: Clear BSS */
-	/* TODO: Setup new stack */
+
+	/* Setup new stack */
+	ldr sp, 1b
+
    /* TODO: Save old stack pointer */

/* Let's rock. */