rtos: turn stack alignment into a function pointer
[fw/openocd] / src / rtos / rtos_embkernel_stackings.c
1 /***************************************************************************
2  *   Copyright (C) 2011 by Broadcom Corporation                            *
3  *   Evan Hunter - ehunter@broadcom.com                                    *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
19  ***************************************************************************/
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "rtos.h"
26 #include "target/armv7m.h"
27 #include "rtos_standard_stackings.h"
28
29 static const struct stack_register_offset rtos_embkernel_Cortex_M_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
30         { 0x24, 32 },           /* r0   */
31         { 0x28, 32 },           /* r1   */
32         { 0x2c, 32 },           /* r2   */
33         { 0x30, 32 },           /* r3   */
34         { 0x00, 32 },           /* r4   */
35         { 0x04, 32 },           /* r5   */
36         { 0x08, 32 },           /* r6   */
37         { 0x0c, 32 },           /* r7   */
38         { 0x10, 32 },           /* r8   */
39         { 0x14, 32 },           /* r9   */
40         { 0x18, 32 },           /* r10  */
41         { 0x1c, 32 },           /* r11  */
42         { 0x34, 32 },           /* r12  */
43         { -2, 32 },                 /* sp   */
44         { 0x38, 32 },           /* lr   */
45         { 0x3c, 32 },           /* pc   */
46         { 0x40, 32 },           /* xPSR */
47 };
48
49 const struct rtos_register_stacking rtos_embkernel_Cortex_M_stacking = {
50         0x40,                                   /* stack_registers_size */
51         -1,                                             /* stack_growth_direction */
52         ARMV7M_NUM_CORE_REGS,   /* num_output_registers */
53         rtos_generic_stack_align8,      /* stack_alignment */
54         rtos_embkernel_Cortex_M_stack_offsets   /* register_offsets */
55 };
56
57