OpenOCD
rtos_ecos_stackings.c
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1 // SPDX-License-Identifier: GPL-2.0-or-later
2 
3 #ifdef HAVE_CONFIG_H
4 #include "config.h"
5 #endif
6 
7 #include "rtos.h"
8 #include "target/armv7m.h"
10 #include "rtos_ecos_stackings.h"
11 
12 /* For Cortex-M eCos applications the actual thread context register layout can
13  * be different between active threads of an application depending on whether
14  * the FPU is in use, configured for lazy FPU context saving, etc. */
15 
16 /* Default fixed thread register context description used for older eCos
17  * application builds without the necessary symbolic information describing the
18  * actual configuration-dependent offsets. */
20  { ARMV7M_R0, 0x0c, 32 }, /* r0 */
21  { ARMV7M_R1, 0x10, 32 }, /* r1 */
22  { ARMV7M_R2, 0x14, 32 }, /* r2 */
23  { ARMV7M_R3, 0x18, 32 }, /* r3 */
24  { ARMV7M_R4, 0x1c, 32 }, /* r4 */
25  { ARMV7M_R5, 0x20, 32 }, /* r5 */
26  { ARMV7M_R6, 0x24, 32 }, /* r6 */
27  { ARMV7M_R7, 0x28, 32 }, /* r7 */
28  { ARMV7M_R8, 0x2c, 32 }, /* r8 */
29  { ARMV7M_R9, 0x30, 32 }, /* r9 */
30  { ARMV7M_R10, 0x34, 32 }, /* r10 */
31  { ARMV7M_R11, 0x38, 32 }, /* r11 */
32  { ARMV7M_R12, 0x3c, 32 }, /* r12 */
33  { ARMV7M_R13, -2, 32 }, /* sp */
34  { ARMV7M_R14, -1, 32 }, /* lr */
35  { ARMV7M_PC, 0x40, 32 }, /* pc */
36  { ARMV7M_XPSR, -1, 32 }, /* xPSR */
37 };
38 
40  .stack_registers_size = 0x44,
41  .stack_growth_direction = -1,
42  .num_output_registers = ARMV7M_NUM_CORE_REGS,
43  .calculate_process_stack = rtos_generic_stack_align8,
44  .register_offsets = rtos_ecos_cortex_m3_stack_offsets
45 };
@ ARMV7M_R1
Definition: armv7m.h:108
@ ARMV7M_R6
Definition: armv7m.h:114
@ ARMV7M_R2
Definition: armv7m.h:109
@ ARMV7M_R3
Definition: armv7m.h:110
@ ARMV7M_R14
Definition: armv7m.h:124
@ ARMV7M_R9
Definition: armv7m.h:118
@ ARMV7M_R12
Definition: armv7m.h:122
@ ARMV7M_R0
Definition: armv7m.h:107
@ ARMV7M_R13
Definition: armv7m.h:123
@ ARMV7M_PC
Definition: armv7m.h:125
@ ARMV7M_R7
Definition: armv7m.h:115
@ ARMV7M_R4
Definition: armv7m.h:112
@ ARMV7M_XPSR
Definition: armv7m.h:127
@ ARMV7M_R8
Definition: armv7m.h:117
@ ARMV7M_R11
Definition: armv7m.h:120
@ ARMV7M_R10
Definition: armv7m.h:119
@ ARMV7M_R5
Definition: armv7m.h:113
#define ARMV7M_NUM_CORE_REGS
Definition: armv7m.h:218
const struct rtos_register_stacking rtos_ecos_cortex_m3_stacking
static const struct stack_register_offset rtos_ecos_cortex_m3_stack_offsets[ARMV7M_NUM_CORE_REGS]
target_addr_t rtos_generic_stack_align8(struct target *target, const uint8_t *stack_data, const struct rtos_register_stacking *stacking, target_addr_t stack_ptr)
unsigned char stack_registers_size
Definition: rtos.h:92