| /* | |
| * Copyright (c) 2015 Andreas Bießmann <andreas@biessmann.org> | |
| * | |
| * 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; | |
| } |