blob: 1985f0348de9a8ac021036613f095b5e67994bc9 [file] [log] [blame]
/*
* Copyright (c) 2015 Andreas BieƟmann <andreas.devel@googlemail.com>
*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2002-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2002
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
* Marius Groeger <mgroeger@sysgo.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
DECLARE_GLOBAL_DATA_PTR;
int arch_reserve_stacks(void)
{
ulong *s;
/* setup stack pointer for exceptions */
gd->irq_sp = gd->start_addr_sp;
/* Clear initial stack frame */
s = (ulong *)gd->start_addr_sp;
*s = 0; /* Terminate back chain */
*++s = 0; /* NULL return address */
return 0;
}