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/***************************************************************************
* Copyright (C) 2017 by Square, Inc. *
* Steven Stallion <stallion@squareup.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 <helper/types.h>
#include <rtos/rtos.h>
#include <rtos/rtos_standard_stackings.h>
#include <target/armv7m.h>
#include <target/esirisc.h>
static const struct stack_register_offset rtos_ucos_iii_cortex_m_stack_offsets[] = {
{ ARMV7M_R0, 0x20, 32 }, /* r0 */
{ ARMV7M_R1, 0x24, 32 }, /* r1 */
{ ARMV7M_R2, 0x28, 32 }, /* r2 */
{ ARMV7M_R3, 0x2c, 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, 0x30, 32 }, /* r12 */
{ ARMV7M_R13, -2, 32 }, /* sp */
{ ARMV7M_R14, 0x34, 32 }, /* lr */
{ ARMV7M_PC, 0x38, 32 }, /* pc */
{ ARMV7M_xPSR, 0x3c, 32 }, /* xPSR */
};
static const struct stack_register_offset rtos_ucos_iii_esi_risc_stack_offsets[] = {
{ ESIRISC_SP, -2, 32 }, /* sp */
{ ESIRISC_RA, 0x48, 32 }, /* ra */
{ ESIRISC_R2, 0x44, 32 }, /* r2 */
{ ESIRISC_R3, 0x40, 32 }, /* r3 */
{ ESIRISC_R4, 0x3c, 32 }, /* r4 */
{ ESIRISC_R5, 0x38, 32 }, /* r5 */
{ ESIRISC_R6, 0x34, 32 }, /* r6 */
{ ESIRISC_R7, 0x30, 32 }, /* r7 */
{ ESIRISC_R8, 0x2c, 32 }, /* r8 */
{ ESIRISC_R9, 0x28, 32 }, /* r9 */
{ ESIRISC_R10, 0x24, 32 }, /* r10 */
{ ESIRISC_R11, 0x20, 32 }, /* r11 */
{ ESIRISC_R12, 0x1c, 32 }, /* r12 */
{ ESIRISC_R13, 0x18, 32 }, /* r13 */
{ ESIRISC_R14, 0x14, 32 }, /* r14 */
{ ESIRISC_R15, 0x10, 32 }, /* r15 */
{ ESIRISC_PC, 0x04, 32 }, /* PC */
{ ESIRISC_CAS, 0x08, 32 }, /* CAS */
};
const struct rtos_register_stacking rtos_ucos_iii_cortex_m_stacking = {
.stack_registers_size = 0x40,
.stack_growth_direction = -1,
.num_output_registers = ARRAY_SIZE(rtos_ucos_iii_cortex_m_stack_offsets),
.calculate_process_stack = rtos_generic_stack_align8,
.register_offsets = rtos_ucos_iii_cortex_m_stack_offsets
};
const struct rtos_register_stacking rtos_ucos_iii_esi_risc_stacking = {
.stack_registers_size = 0x4c,
.stack_growth_direction = -1,
.num_output_registers = ARRAY_SIZE(rtos_ucos_iii_esi_risc_stack_offsets),
.register_offsets = rtos_ucos_iii_esi_risc_stack_offsets
};
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