1 /***************************************************************************
2 * Copyright (C) 2011 by Broadcom Corporation *
3 * Evan Hunter - ehunter@broadcom.com *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
24 #include "target/armv7m.h"
25 #include "rtos_standard_stackings.h"
27 static const struct stack_register_offset rtos_embkernel_Cortex_M_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
28 { ARMV7M_R0, 0x24, 32 }, /* r0 */
29 { ARMV7M_R1, 0x28, 32 }, /* r1 */
30 { ARMV7M_R2, 0x2c, 32 }, /* r2 */
31 { ARMV7M_R3, 0x30, 32 }, /* r3 */
32 { ARMV7M_R4, 0x00, 32 }, /* r4 */
33 { ARMV7M_R5, 0x04, 32 }, /* r5 */
34 { ARMV7M_R6, 0x08, 32 }, /* r6 */
35 { ARMV7M_R7, 0x0c, 32 }, /* r7 */
36 { ARMV7M_R8, 0x10, 32 }, /* r8 */
37 { ARMV7M_R9, 0x14, 32 }, /* r9 */
38 { ARMV7M_R10, 0x18, 32 }, /* r10 */
39 { ARMV7M_R11, 0x1c, 32 }, /* r11 */
40 { ARMV7M_R12, 0x34, 32 }, /* r12 */
41 { ARMV7M_R13, -2, 32 }, /* sp */
42 { ARMV7M_R14, 0x38, 32 }, /* lr */
43 { ARMV7M_PC, 0x3c, 32 }, /* pc */
44 { ARMV7M_xPSR, 0x40, 32 }, /* xPSR */
47 const struct rtos_register_stacking rtos_embkernel_Cortex_M_stacking = {
48 0x40, /* stack_registers_size */
49 -1, /* stack_growth_direction */
50 ARMV7M_NUM_CORE_REGS, /* num_output_registers */
51 rtos_generic_stack_align8, /* stack_alignment */
52 rtos_embkernel_Cortex_M_stack_offsets /* register_offsets */