+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
- * *
- * 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/>. *
***************************************************************************/
#ifndef OPENOCD_TARGET_ARMV7M_H
#define OPENOCD_TARGET_ARMV7M_H
-#include "arm_adi_v5.h"
#include "arm.h"
#include "armv7m_trace.h"
+struct adiv5_ap;
+
extern const int armv7m_psp_reg_map[];
extern const int armv7m_msp_reg_map[];
ARMV7M_REGSEL_R14,
ARMV7M_REGSEL_PC = 15,
- ARMV7M_REGSEL_xPSR = 16,
+ ARMV7M_REGSEL_XPSR = 16,
ARMV7M_REGSEL_MSP,
ARMV7M_REGSEL_PSP,
+ ARMV8M_REGSEL_MSP_NS = 0x18,
+ ARMV8M_REGSEL_PSP_NS,
+ ARMV8M_REGSEL_MSP_S,
+ ARMV8M_REGSEL_PSP_S,
+ ARMV8M_REGSEL_MSPLIM_S,
+ ARMV8M_REGSEL_PSPLIM_S,
+ ARMV8M_REGSEL_MSPLIM_NS,
+ ARMV8M_REGSEL_PSPLIM_NS,
+
ARMV7M_REGSEL_PMSK_BPRI_FLTMSK_CTRL = 0x14,
+ ARMV8M_REGSEL_PMSK_BPRI_FLTMSK_CTRL_S = 0x22,
+ ARMV8M_REGSEL_PMSK_BPRI_FLTMSK_CTRL_NS = 0x23,
ARMV7M_REGSEL_FPSCR = 0x21,
/* 32bit Floating-point registers */
ARMV7M_R14 = ARMV7M_REGSEL_R14,
ARMV7M_PC = ARMV7M_REGSEL_PC,
- ARMV7M_xPSR = ARMV7M_REGSEL_xPSR,
+ ARMV7M_XPSR = ARMV7M_REGSEL_XPSR,
ARMV7M_MSP = ARMV7M_REGSEL_MSP,
ARMV7M_PSP = ARMV7M_REGSEL_PSP,
/* following indices are arbitrary, do not match DCRSR.REGSEL selectors */
+ /* A block of container and contained registers follows:
+ * THE ORDER IS IMPORTANT to the end of the block ! */
/* working register for packing/unpacking special regs, hidden from gdb */
ARMV7M_PMSK_BPRI_FLTMSK_CTRL,
ARMV7M_BASEPRI,
ARMV7M_FAULTMASK,
ARMV7M_CONTROL,
+ /* The end of block of container and contained registers */
+
+ /* ARMv8-M specific registers */
+ ARMV8M_MSP_NS,
+ ARMV8M_PSP_NS,
+ ARMV8M_MSP_S,
+ ARMV8M_PSP_S,
+ ARMV8M_MSPLIM_S,
+ ARMV8M_PSPLIM_S,
+ ARMV8M_MSPLIM_NS,
+ ARMV8M_PSPLIM_NS,
+
+ /* A block of container and contained registers follows:
+ * THE ORDER IS IMPORTANT to the end of the block ! */
+ ARMV8M_PMSK_BPRI_FLTMSK_CTRL_S,
+ ARMV8M_PRIMASK_S,
+ ARMV8M_BASEPRI_S,
+ ARMV8M_FAULTMASK_S,
+ ARMV8M_CONTROL_S,
+ /* The end of block of container and contained registers */
+
+ /* A block of container and contained registers follows:
+ * THE ORDER IS IMPORTANT to the end of the block ! */
+ ARMV8M_PMSK_BPRI_FLTMSK_CTRL_NS,
+ ARMV8M_PRIMASK_NS,
+ ARMV8M_BASEPRI_NS,
+ ARMV8M_FAULTMASK_NS,
+ ARMV8M_CONTROL_NS,
+ /* The end of block of container and contained registers */
/* 64bit Floating-point registers */
ARMV7M_D0,
/* for convenience add registers' block delimiters */
ARMV7M_LAST_REG,
ARMV7M_CORE_FIRST_REG = ARMV7M_R0,
- ARMV7M_CORE_LAST_REG = ARMV7M_xPSR,
+ ARMV7M_CORE_LAST_REG = ARMV7M_XPSR,
ARMV7M_FPU_FIRST_REG = ARMV7M_D0,
ARMV7M_FPU_LAST_REG = ARMV7M_FPSCR,
+ ARMV8M_FIRST_REG = ARMV8M_MSP_NS,
+ ARMV8M_LAST_REG = ARMV8M_CONTROL_NS,
};
enum {
FPV4_SP,
FPV5_SP,
FPV5_DP,
+ FPV5_MVE_I,
+ FPV5_MVE_F,
};
#define ARMV7M_NUM_CORE_REGS (ARMV7M_CORE_LAST_REG - ARMV7M_CORE_FIRST_REG + 1)
-#define ARMV7M_COMMON_MAGIC 0x2A452A45
+#define ARMV7M_COMMON_MAGIC 0x2A452A45U
struct armv7m_common {
- struct arm arm;
+ unsigned int common_magic;
+
+ struct arm arm;
- int common_magic;
int exception_number;
/* AP this processor is connected to in the DAP */
int fp_feature;
uint32_t demcr;
- /* stlink is a high level adapter, does not support all functions */
- bool stlink;
+ /* hla_target uses a high level adapter that does not support all functions */
+ bool is_hla_target;
struct armv7m_trace_config trace_config;
void (*pre_restore_context)(struct target *target);
};
+static inline bool is_armv7m(const struct armv7m_common *armv7m)
+{
+ return armv7m->common_magic == ARMV7M_COMMON_MAGIC;
+}
+
+/**
+ * @returns the pointer to the target specific struct
+ * without matching a magic number.
+ * Use in target specific service routines, where the correct
+ * type of arch_info is certain.
+ */
static inline struct armv7m_common *
target_to_armv7m(struct target *target)
{
return container_of(target->arch_info, struct armv7m_common, arm);
}
-static inline bool is_armv7m(const struct armv7m_common *armv7m)
+/**
+ * @returns the pointer to the target specific struct
+ * or NULL if the magic number does not match.
+ * Use in a flash driver or any place where mismatch of the arch_info
+ * type can happen.
+ */
+static inline struct armv7m_common *
+target_to_armv7m_safe(struct target *target)
{
- return armv7m->common_magic == ARMV7M_COMMON_MAGIC;
+ if (!target)
+ return NULL;
+
+ if (!target->arch_info)
+ return NULL;
+
+ /* Check the parent type first to prevent peeking memory too far
+ * from arch_info pointer */
+ if (!is_arm(target_to_arm(target)))
+ return NULL;
+
+ struct armv7m_common *armv7m = target_to_armv7m(target);
+ if (!is_armv7m(armv7m))
+ return NULL;
+
+ return armv7m;
}
struct armv7m_algorithm {
- int common_magic;
+ unsigned int common_magic;
enum arm_mode core_mode;
int num_mem_params, struct mem_param *mem_params,
int num_reg_params, struct reg_param *reg_params,
target_addr_t entry_point, target_addr_t exit_point,
- int timeout_ms, void *arch_info);
+ unsigned int timeout_ms, void *arch_info);
int armv7m_start_algorithm(struct target *target,
int num_mem_params, struct mem_param *mem_params,
int armv7m_wait_algorithm(struct target *target,
int num_mem_params, struct mem_param *mem_params,
int num_reg_params, struct reg_param *reg_params,
- target_addr_t exit_point, int timeout_ms,
+ target_addr_t exit_point, unsigned int timeout_ms,
void *arch_info);
int armv7m_invalidate_core_regs(struct target *target);
int armv7m_restore_context(struct target *target);
+uint32_t armv7m_map_id_to_regsel(unsigned int arm_reg_id);
+
+bool armv7m_map_reg_packing(unsigned int arm_reg_id,
+ unsigned int *reg32_id, uint32_t *offset);
+
int armv7m_checksum_memory(struct target *target,
target_addr_t address, uint32_t count, uint32_t *checksum);
int armv7m_blank_check_memory(struct target *target,
Code Review / openocd.git / blobdiff