+// SPDX-License-Identifier: GPL-2.0-or-later
+
/***************************************************************************
* Copyright (C) 2011 by Broadcom Corporation *
* Evan Hunter - ehunter@broadcom.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, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "rtos.h"
#include "target/armv7m.h"
-
-static const struct stack_register_offset rtos_standard_Cortex_M3_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
- { 0x20, 32 }, /* r0 */
- { 0x24, 32 }, /* r1 */
- { 0x28, 32 }, /* r2 */
- { 0x2c, 32 }, /* r3 */
- { 0x00, 32 }, /* r4 */
- { 0x04, 32 }, /* r5 */
- { 0x08, 32 }, /* r6 */
- { 0x0c, 32 }, /* r7 */
- { 0x10, 32 }, /* r8 */
- { 0x14, 32 }, /* r9 */
- { 0x18, 32 }, /* r10 */
- { 0x1c, 32 }, /* r11 */
- { 0x30, 32 }, /* r12 */
- { -2, 32 }, /* sp */
- { 0x34, 32 }, /* lr */
- { 0x38, 32 }, /* pc */
- { 0x3c, 32 }, /* xPSR */
+#include "rtos_standard_stackings.h"
+
+static const struct stack_register_offset rtos_standard_cortex_m3_stack_offsets[ARMV7M_NUM_CORE_REGS] = {
+ { 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_standard_Cortex_M4F_stack_offsets[] = {
- { 0x24, 32 }, /* r0 */
- { 0x28, 32 }, /* r1 */
- { 0x2c, 32 }, /* r2 */
- { 0x30, 32 }, /* r3 */
- { 0x00, 32 }, /* r4 */
- { 0x04, 32 }, /* r5 */
- { 0x08, 32 }, /* r6 */
- { 0x0c, 32 }, /* r7 */
- { 0x10, 32 }, /* r8 */
- { 0x14, 32 }, /* r9 */
- { 0x18, 32 }, /* r10 */
- { 0x1c, 32 }, /* r11 */
- { 0x34, 32 }, /* r12 */
- { -2, 32 }, /* sp */
- { 0x38, 32 }, /* lr */
- { 0x3c, 32 }, /* pc */
- { 0x40, 32 }, /* xPSR */
+static const struct stack_register_offset rtos_standard_cortex_m4f_stack_offsets[] = {
+ { ARMV7M_R0, 0x24, 32 }, /* r0 */
+ { ARMV7M_R1, 0x28, 32 }, /* r1 */
+ { ARMV7M_R2, 0x2c, 32 }, /* r2 */
+ { ARMV7M_R3, 0x30, 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, 0x34, 32 }, /* r12 */
+ { ARMV7M_R13, -2, 32 }, /* sp */
+ { ARMV7M_R14, 0x38, 32 }, /* lr */
+ { ARMV7M_PC, 0x3c, 32 }, /* pc */
+ { ARMV7M_XPSR, 0x40, 32 }, /* xPSR */
};
-static const struct stack_register_offset rtos_standard_Cortex_M4F_FPU_stack_offsets[] = {
- { 0x64, 32 }, /* r0 */
- { 0x68, 32 }, /* r1 */
- { 0x6c, 32 }, /* r2 */
- { 0x70, 32 }, /* r3 */
- { 0x00, 32 }, /* r4 */
- { 0x04, 32 }, /* r5 */
- { 0x08, 32 }, /* r6 */
- { 0x0c, 32 }, /* r7 */
- { 0x10, 32 }, /* r8 */
- { 0x14, 32 }, /* r9 */
- { 0x18, 32 }, /* r10 */
- { 0x1c, 32 }, /* r11 */
- { 0x74, 32 }, /* r12 */
- { -2, 32 }, /* sp */
- { 0x78, 32 }, /* lr */
- { 0x7c, 32 }, /* pc */
- { 0x80, 32 }, /* xPSR */
+static const struct stack_register_offset rtos_standard_cortex_m4f_fpu_stack_offsets[] = {
+ { ARMV7M_R0, 0x64, 32 }, /* r0 */
+ { ARMV7M_R1, 0x68, 32 }, /* r1 */
+ { ARMV7M_R2, 0x6c, 32 }, /* r2 */
+ { ARMV7M_R3, 0x70, 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, 0x74, 32 }, /* r12 */
+ { ARMV7M_R13, -2, 32 }, /* sp */
+ { ARMV7M_R14, 0x78, 32 }, /* lr */
+ { ARMV7M_PC, 0x7c, 32 }, /* pc */
+ { ARMV7M_XPSR, 0x80, 32 }, /* xPSR */
};
-static const struct stack_register_offset rtos_standard_Cortex_R4_stack_offsets[] = {
- { 0x08, 32 }, /* r0 (a1) */
- { 0x0c, 32 }, /* r1 (a2) */
- { 0x10, 32 }, /* r2 (a3) */
- { 0x14, 32 }, /* r3 (a4) */
- { 0x18, 32 }, /* r4 (v1) */
- { 0x1c, 32 }, /* r5 (v2) */
- { 0x20, 32 }, /* r6 (v3) */
- { 0x24, 32 }, /* r7 (v4) */
- { 0x28, 32 }, /* r8 (a1) */
- { 0x2c, 32 }, /* r9 (sb) */
- { 0x30, 32 }, /* r10 (sl) */
- { 0x34, 32 }, /* r11 (fp) */
- { 0x38, 32 }, /* r12 (ip) */
- { -2, 32 }, /* sp */
- { 0x3c, 32 }, /* lr */
- { 0x40, 32 }, /* pc */
- { -1, 96 }, /* FPA1 */
- { -1, 96 }, /* FPA2 */
- { -1, 96 }, /* FPA3 */
- { -1, 96 }, /* FPA4 */
- { -1, 96 }, /* FPA5 */
- { -1, 96 }, /* FPA6 */
- { -1, 96 }, /* FPA7 */
- { -1, 96 }, /* FPA8 */
- { -1, 32 }, /* FPS */
- { 0x04, 32 }, /* CSPR */
-};
-
-static const struct stack_register_offset rtos_standard_NDS32_N1068_stack_offsets[] = {
- { 0x88, 32 }, /* R0 */
- { 0x8C, 32 }, /* R1 */
- { 0x14, 32 }, /* R2 */
- { 0x18, 32 }, /* R3 */
- { 0x1C, 32 }, /* R4 */
- { 0x20, 32 }, /* R5 */
- { 0x24, 32 }, /* R6 */
- { 0x28, 32 }, /* R7 */
- { 0x2C, 32 }, /* R8 */
- { 0x30, 32 }, /* R9 */
- { 0x34, 32 }, /* R10 */
- { 0x38, 32 }, /* R11 */
- { 0x3C, 32 }, /* R12 */
- { 0x40, 32 }, /* R13 */
- { 0x44, 32 }, /* R14 */
- { 0x48, 32 }, /* R15 */
- { 0x4C, 32 }, /* R16 */
- { 0x50, 32 }, /* R17 */
- { 0x54, 32 }, /* R18 */
- { 0x58, 32 }, /* R19 */
- { 0x5C, 32 }, /* R20 */
- { 0x60, 32 }, /* R21 */
- { 0x64, 32 }, /* R22 */
- { 0x68, 32 }, /* R23 */
- { 0x6C, 32 }, /* R24 */
- { 0x70, 32 }, /* R25 */
- { 0x74, 32 }, /* R26 */
- { 0x78, 32 }, /* R27 */
- { 0x7C, 32 }, /* R28 */
- { 0x80, 32 }, /* R29 */
- { 0x84, 32 }, /* R30 (LP) */
- { 0x00, 32 }, /* R31 (SP) */
- { 0x04, 32 }, /* PSW */
- { 0x08, 32 }, /* IPC */
- { 0x0C, 32 }, /* IPSW */
- { 0x10, 32 }, /* IFC_LP */
+static const struct stack_register_offset rtos_standard_cortex_r4_stack_offsets[] = {
+ { 0, 0x08, 32 }, /* r0 (a1) */
+ { 1, 0x0c, 32 }, /* r1 (a2) */
+ { 2, 0x10, 32 }, /* r2 (a3) */
+ { 3, 0x14, 32 }, /* r3 (a4) */
+ { 4, 0x18, 32 }, /* r4 (v1) */
+ { 5, 0x1c, 32 }, /* r5 (v2) */
+ { 6, 0x20, 32 }, /* r6 (v3) */
+ { 7, 0x24, 32 }, /* r7 (v4) */
+ { 8, 0x28, 32 }, /* r8 (a1) */
+ { 10, 0x2c, 32 }, /* r9 (sb) */
+ { 11, 0x30, 32 }, /* r10 (sl) */
+ { 12, 0x34, 32 }, /* r11 (fp) */
+ { 13, 0x38, 32 }, /* r12 (ip) */
+ { 14, -2, 32 }, /* sp */
+ { 15, 0x3c, 32 }, /* lr */
+ { 16, 0x40, 32 }, /* pc */
+ { 17, -1, 96 }, /* FPA1 */
+ { 18, -1, 96 }, /* FPA2 */
+ { 19, -1, 96 }, /* FPA3 */
+ { 20, -1, 96 }, /* FPA4 */
+ { 21, -1, 96 }, /* FPA5 */
+ { 22, -1, 96 }, /* FPA6 */
+ { 23, -1, 96 }, /* FPA7 */
+ { 24, -1, 96 }, /* FPA8 */
+ { 25, -1, 32 }, /* FPS */
+ { 26, 0x04, 32 }, /* CSPR */
};
-static int64_t rtos_generic_stack_align(struct target *target,
+static target_addr_t rtos_generic_stack_align(struct target *target,
const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
- int64_t stack_ptr, int align)
+ target_addr_t stack_ptr, int align)
{
- int64_t new_stack_ptr;
- int64_t aligned_stack_ptr;
+ target_addr_t new_stack_ptr;
+ target_addr_t aligned_stack_ptr;
new_stack_ptr = stack_ptr - stacking->stack_growth_direction *
stacking->stack_registers_size;
- aligned_stack_ptr = new_stack_ptr & ~((int64_t)align - 1);
+ aligned_stack_ptr = new_stack_ptr & ~((target_addr_t)align - 1);
if (aligned_stack_ptr != new_stack_ptr &&
stacking->stack_growth_direction == -1) {
/* If we have a downward growing stack, the simple alignment code
* above results in a wrong result (since it rounds down to nearest
* alignment). We want to round up so add an extra align.
*/
- aligned_stack_ptr += (int64_t)align;
+ aligned_stack_ptr += (target_addr_t)align;
}
return aligned_stack_ptr;
}
-int64_t rtos_generic_stack_align8(struct target *target,
+target_addr_t rtos_generic_stack_align8(struct target *target,
const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
- int64_t stack_ptr)
+ target_addr_t stack_ptr)
{
return rtos_generic_stack_align(target, stack_data,
stacking, stack_ptr, 8);
* This is just a helper function for use in the calculate_process_stack
* function for a given architecture/rtos.
*/
-int64_t rtos_Cortex_M_stack_align(struct target *target,
+target_addr_t rtos_cortex_m_stack_align(struct target *target,
const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
- int64_t stack_ptr, size_t xpsr_offset)
+ target_addr_t stack_ptr, size_t xpsr_offset)
{
const uint32_t ALIGN_NEEDED = (1 << 9);
uint32_t xpsr;
- int64_t new_stack_ptr;
+ target_addr_t new_stack_ptr;
new_stack_ptr = stack_ptr - stacking->stack_growth_direction *
stacking->stack_registers_size;
return new_stack_ptr;
}
-static int64_t rtos_standard_Cortex_M3_stack_align(struct target *target,
+static target_addr_t rtos_standard_cortex_m3_stack_align(struct target *target,
const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
- int64_t stack_ptr)
+ target_addr_t stack_ptr)
{
const int XPSR_OFFSET = 0x3c;
- return rtos_Cortex_M_stack_align(target, stack_data, stacking,
+ return rtos_cortex_m_stack_align(target, stack_data, stacking,
+ stack_ptr, XPSR_OFFSET);
+}
+
+static target_addr_t rtos_standard_cortex_m4f_stack_align(struct target *target,
+ const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
+ target_addr_t stack_ptr)
+{
+ const int XPSR_OFFSET = 0x40;
+ return rtos_cortex_m_stack_align(target, stack_data, stacking,
+ stack_ptr, XPSR_OFFSET);
+}
+
+static target_addr_t rtos_standard_cortex_m4f_fpu_stack_align(struct target *target,
+ const uint8_t *stack_data, const struct rtos_register_stacking *stacking,
+ target_addr_t stack_ptr)
+{
+ const int XPSR_OFFSET = 0x80;
+ return rtos_cortex_m_stack_align(target, stack_data, stacking,
stack_ptr, XPSR_OFFSET);
}
-const struct rtos_register_stacking rtos_standard_Cortex_M3_stacking = {
- 0x40, /* stack_registers_size */
- -1, /* stack_growth_direction */
- ARMV7M_NUM_CORE_REGS, /* num_output_registers */
- rtos_standard_Cortex_M3_stack_align, /* stack_alignment */
- rtos_standard_Cortex_M3_stack_offsets /* register_offsets */
-};
-const struct rtos_register_stacking rtos_standard_Cortex_M4F_stacking = {
- 0x44, /* stack_registers_size 4 more for LR*/
- -1, /* stack_growth_direction */
- ARMV7M_NUM_CORE_REGS, /* num_output_registers */
- rtos_standard_Cortex_M3_stack_align, /* stack_alignment */
- rtos_standard_Cortex_M4F_stack_offsets /* register_offsets */
+const struct rtos_register_stacking rtos_standard_cortex_m3_stacking = {
+ .stack_registers_size = 0x40,
+ .stack_growth_direction = -1,
+ .num_output_registers = ARMV7M_NUM_CORE_REGS,
+ .calculate_process_stack = rtos_standard_cortex_m3_stack_align,
+ .register_offsets = rtos_standard_cortex_m3_stack_offsets
};
-const struct rtos_register_stacking rtos_standard_Cortex_M4F_FPU_stacking = {
- 0xcc, /* stack_registers_size 4 more for LR + 48 more for FPU S0-S15 register*/
- -1, /* stack_growth_direction */
- ARMV7M_NUM_CORE_REGS, /* num_output_registers */
- rtos_standard_Cortex_M3_stack_align, /* stack_alignment */
- rtos_standard_Cortex_M4F_FPU_stack_offsets /* register_offsets */
+const struct rtos_register_stacking rtos_standard_cortex_m4f_stacking = {
+ .stack_registers_size = 0x44,
+ .stack_growth_direction = -1,
+ .num_output_registers = ARMV7M_NUM_CORE_REGS,
+ .calculate_process_stack = rtos_standard_cortex_m4f_stack_align,
+ .register_offsets = rtos_standard_cortex_m4f_stack_offsets
};
-const struct rtos_register_stacking rtos_standard_Cortex_R4_stacking = {
- 0x48, /* stack_registers_size */
- -1, /* stack_growth_direction */
- 26, /* num_output_registers */
- rtos_generic_stack_align8, /* stack_alignment */
- rtos_standard_Cortex_R4_stack_offsets /* register_offsets */
+const struct rtos_register_stacking rtos_standard_cortex_m4f_fpu_stacking = {
+ .stack_registers_size = 0xcc,
+ .stack_growth_direction = -1,
+ .num_output_registers = ARMV7M_NUM_CORE_REGS,
+ .calculate_process_stack = rtos_standard_cortex_m4f_fpu_stack_align,
+ .register_offsets = rtos_standard_cortex_m4f_fpu_stack_offsets
};
-const struct rtos_register_stacking rtos_standard_NDS32_N1068_stacking = {
- 0x90, /* stack_registers_size */
- -1, /* stack_growth_direction */
- 32, /* num_output_registers */
- rtos_generic_stack_align8, /* stack_alignment */
- rtos_standard_NDS32_N1068_stack_offsets /* register_offsets */
+const struct rtos_register_stacking rtos_standard_cortex_r4_stacking = {
+ .stack_registers_size = 0x48,
+ .stack_growth_direction = -1,
+ .num_output_registers = 26,
+ .calculate_process_stack = rtos_generic_stack_align8,
+ .register_offsets = rtos_standard_cortex_r4_stack_offsets
};