| Andreas Bießmann | 2542986 | 2015-02-06 23:06:45 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015 Andreas Bießmann <andreas.devel@googlemail.com> |
| 3 | * |
| 4 | * Copyright (c) 2011 The Chromium OS Authors. |
| 5 | * (C) Copyright 2002-2006 |
| 6 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 7 | * |
| 8 | * (C) Copyright 2002 |
| 9 | * Sysgo Real-Time Solutions, GmbH <www.elinos.com> |
| 10 | * Marius Groeger <mgroeger@sysgo.de> |
| 11 | * |
| 12 | * SPDX-License-Identifier: GPL-2.0+ |
| 13 | */ |
| 14 | #include <common.h> |
| 15 | |
| 16 | DECLARE_GLOBAL_DATA_PTR; |
| 17 | |
| 18 | int arch_reserve_stacks(void) |
| 19 | { |
| 20 | ulong *s; |
| 21 | |
| 22 | /* setup stack pointer for exceptions */ |
| 23 | gd->irq_sp = gd->start_addr_sp; |
| 24 | |
| 25 | /* Clear initial stack frame */ |
| 26 | s = (ulong *)gd->start_addr_sp; |
| 27 | *s = 0; /* Terminate back chain */ |
| 28 | *++s = 0; /* NULL return address */ |
| 29 | |
| 30 | return 0; |
| 31 | } |