-/***************************************************************************
- * *
- * 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/>. *
- ***************************************************************************/
+// SPDX-License-Identifier: GPL-2.0-or-later
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "rtos.h"
-#include "rtos_standard_stackings.h"
#include "target/armv7m.h"
+#include "rtos_standard_stackings.h"
+#include "rtos_ecos_stackings.h"
+
+/* For Cortex-M eCos applications the actual thread context register layout can
+ * be different between active threads of an application depending on whether
+ * the FPU is in use, configured for lazy FPU context saving, etc. */
+/* Default fixed thread register context description used for older eCos
+ * application builds without the necessary symbolic information describing the
+ * actual configuration-dependent offsets. */
static const struct stack_register_offset rtos_ecos_cortex_m3_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
{ ARMV7M_R0, 0x0c, 32 }, /* r0 */
{ ARMV7M_R1, 0x10, 32 }, /* r1 */
{ ARMV7M_R13, -2, 32 }, /* sp */
{ ARMV7M_R14, -1, 32 }, /* lr */
{ ARMV7M_PC, 0x40, 32 }, /* pc */
- { ARMV7M_xPSR, -1, 32 }, /* xPSR */
+ { ARMV7M_XPSR, -1, 32 }, /* xPSR */
};
const struct rtos_register_stacking rtos_ecos_cortex_m3_stacking = {
- 0x44, /* stack_registers_size */
- -1, /* stack_growth_direction */
- ARMV7M_NUM_CORE_REGS, /* num_output_registers */
- rtos_generic_stack_align8, /* stack_alignment */
- rtos_ecos_cortex_m3_stack_offsets /* register_offsets */
+ .stack_registers_size = 0x44,
+ .stack_growth_direction = -1,
+ .num_output_registers = ARMV7M_NUM_CORE_REGS,
+ .calculate_process_stack = rtos_generic_stack_align8,
+ .register_offsets = rtos_ecos_cortex_m3_stack_offsets
};