aboutsummaryrefslogtreecommitdiff
path: root/src/rtos/rtos_embkernel_stackings.c
blob: 4ee79af93c821199f3d5d2b5e9e95b3a02951466 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/***************************************************************************
 *   Copyright (C) 2011 by Broadcom Corporation                            *
 *   Evan Hunter - ehunter@broadcom.com                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "rtos.h"
#include "target/armv7m.h"
#include "rtos_standard_stackings.h"

static const struct stack_register_offset rtos_embkernel_Cortex_M_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
	{ ARMV7M_R0,   0x24, 32 },		/* r0   */
	{ ARMV7M_R1,   0x28, 32 },		/* r1   */
	{ ARMV7M_R2,   0x2c, 32 },		/* r2   */
	{ ARMV7M_R3,   0x30, 32 },		/* r3   */
	{ ARMV7M_R4,   0x00, 32 },		/* r4   */
	{ ARMV7M_R5,   0x04, 32 },		/* r5   */
	{ ARMV7M_R6,   0x08, 32 },		/* r6   */
	{ ARMV7M_R7,   0x0c, 32 },		/* r7   */
	{ ARMV7M_R8,   0x10, 32 },		/* r8   */
	{ ARMV7M_R9,   0x14, 32 },		/* r9   */
	{ ARMV7M_R10,  0x18, 32 },		/* r10  */
	{ ARMV7M_R11,  0x1c, 32 },		/* r11  */
	{ ARMV7M_R12,  0x34, 32 },		/* r12  */
	{ ARMV7M_R13,  -2,   32 },	    /* sp   */
	{ ARMV7M_R14,  0x38, 32 },		/* lr   */
	{ ARMV7M_PC,   0x3c, 32 },		/* pc   */
	{ ARMV7M_xPSR, 0x40, 32 },		/* xPSR */
};

const struct rtos_register_stacking rtos_embkernel_Cortex_M_stacking = {
	0x40,					/* stack_registers_size */
	-1,						/* stack_growth_direction */
	ARMV7M_NUM_CORE_REGS,	/* num_output_registers */
	rtos_generic_stack_align8,	/* stack_alignment */
	rtos_embkernel_Cortex_M_stack_offsets	/* register_offsets */
};