1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /***************************************************************************
4 * Copyright (C) 2011 by Broadcom Corporation *
5 * Evan Hunter - ehunter@broadcom.com *
6 ***************************************************************************/
13 #include "target/armv7m.h"
14 #include "rtos_standard_stackings.h"
15 #include "rtos_embkernel_stackings.h"
17 static const struct stack_register_offset rtos_embkernel_cortex_m_stack_offsets
[ARMV7M_NUM_CORE_REGS
] = {
18 { ARMV7M_R0
, 0x24, 32 }, /* r0 */
19 { ARMV7M_R1
, 0x28, 32 }, /* r1 */
20 { ARMV7M_R2
, 0x2c, 32 }, /* r2 */
21 { ARMV7M_R3
, 0x30, 32 }, /* r3 */
22 { ARMV7M_R4
, 0x00, 32 }, /* r4 */
23 { ARMV7M_R5
, 0x04, 32 }, /* r5 */
24 { ARMV7M_R6
, 0x08, 32 }, /* r6 */
25 { ARMV7M_R7
, 0x0c, 32 }, /* r7 */
26 { ARMV7M_R8
, 0x10, 32 }, /* r8 */
27 { ARMV7M_R9
, 0x14, 32 }, /* r9 */
28 { ARMV7M_R10
, 0x18, 32 }, /* r10 */
29 { ARMV7M_R11
, 0x1c, 32 }, /* r11 */
30 { ARMV7M_R12
, 0x34, 32 }, /* r12 */
31 { ARMV7M_R13
, -2, 32 }, /* sp */
32 { ARMV7M_R14
, 0x38, 32 }, /* lr */
33 { ARMV7M_PC
, 0x3c, 32 }, /* pc */
34 { ARMV7M_XPSR
, 0x40, 32 }, /* xPSR */
37 const struct rtos_register_stacking rtos_embkernel_cortex_m_stacking
= {
38 .stack_registers_size
= 0x40,
39 .stack_growth_direction
= -1,
40 .num_output_registers
= ARMV7M_NUM_CORE_REGS
,
41 .calculate_process_stack
= rtos_generic_stack_align8
,
42 .register_offsets
= rtos_embkernel_cortex_m_stack_offsets