1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /***************************************************************************
4 * Copyright (C) 2012 by Matthias Blaicher *
5 * Matthias Blaicher - matthias@blaicher.com *
7 * Copyright (C) 2011 by Broadcom Corporation *
8 * Evan Hunter - ehunter@broadcom.com *
9 ***************************************************************************/
16 #include "target/armv7m.h"
17 #include "rtos_chibios_stackings.h"
19 static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets
[ARMV7M_NUM_CORE_REGS
] = {
20 { ARMV7M_R0
, -1, 32 }, /* r0 */
21 { ARMV7M_R1
, -1, 32 }, /* r1 */
22 { ARMV7M_R2
, -1, 32 }, /* r2 */
23 { ARMV7M_R3
, -1, 32 }, /* r3 */
24 { ARMV7M_R4
, 0x00, 32 }, /* r4 */
25 { ARMV7M_R5
, 0x04, 32 }, /* r5 */
26 { ARMV7M_R6
, 0x08, 32 }, /* r6 */
27 { ARMV7M_R7
, 0x0c, 32 }, /* r7 */
28 { ARMV7M_R8
, 0x10, 32 }, /* r8 */
29 { ARMV7M_R9
, 0x14, 32 }, /* r9 */
30 { ARMV7M_R10
, 0x18, 32 }, /* r10 */
31 { ARMV7M_R11
, 0x1c, 32 }, /* r11 */
32 { ARMV7M_R12
, -1, 32 }, /* r12 */
33 { ARMV7M_R13
, -2, 32 }, /* sp */
34 { ARMV7M_R14
, -1, 32 }, /* lr */
35 { ARMV7M_PC
, 0x20, 32 }, /* pc */
36 { ARMV7M_XPSR
, -1, 32 }, /* xPSR */
39 const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking
= {
40 .stack_registers_size
= 0x24,
41 .stack_growth_direction
= -1,
42 .num_output_registers
= ARMV7M_NUM_CORE_REGS
,
43 .register_offsets
= rtos_chibios_arm_v7m_stack_offsets
46 static const struct stack_register_offset rtos_chibios_arm_v7m_stack_offsets_w_fpu
[ARMV7M_NUM_CORE_REGS
] = {
47 { ARMV7M_R0
, -1, 32 }, /* r0 */
48 { ARMV7M_R1
, -1, 32 }, /* r1 */
49 { ARMV7M_R2
, -1, 32 }, /* r2 */
50 { ARMV7M_R3
, -1, 32 }, /* r3 */
51 { ARMV7M_R4
, 0x40, 32 }, /* r4 */
52 { ARMV7M_R5
, 0x44, 32 }, /* r5 */
53 { ARMV7M_R6
, 0x48, 32 }, /* r6 */
54 { ARMV7M_R7
, 0x4c, 32 }, /* r7 */
55 { ARMV7M_R8
, 0x50, 32 }, /* r8 */
56 { ARMV7M_R9
, 0x54, 32 }, /* r9 */
57 { ARMV7M_R10
, 0x58, 32 }, /* r10 */
58 { ARMV7M_R11
, 0x5c, 32 }, /* r11 */
59 { ARMV7M_R12
, -1, 32 }, /* r12 */
60 { ARMV7M_R13
, -2, 32 }, /* sp */
61 { ARMV7M_R14
, -1, 32 }, /* lr */
62 { ARMV7M_PC
, 0x60, 32 }, /* pc */
63 { ARMV7M_XPSR
, -1, 32 }, /* xPSR */
66 const struct rtos_register_stacking rtos_chibios_arm_v7m_stacking_w_fpu
= {
67 .stack_registers_size
= 0x64,
68 .stack_growth_direction
= -1,
69 .num_output_registers
= ARMV7M_NUM_CORE_REGS
,
70 .register_offsets
= rtos_chibios_arm_v7m_stack_offsets_w_fpu