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- /***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2006 by Magnus Lundin *
- * lundin@mlu.mine.nu *
- * *
- * 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, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
- ***************************************************************************/
-
- #ifndef ARMV7M_COMMON_H
- #define ARMV7M_COMMON_H
-
- #include "arm_adi_v5.h"
- #include "arm.h"
-
- extern const int armv7m_psp_reg_map[];
- extern const int armv7m_msp_reg_map[];
-
- char *armv7m_exception_string(int number);
-
- /* offsets into armv7m core register cache */
- enum {
- /* for convenience, the first set of indices match
- * the Cortex-M3/-M4 DCRSR selectors
- */
- ARMV7M_R0,
- ARMV7M_R1,
- ARMV7M_R2,
- ARMV7M_R3,
-
- ARMV7M_R4,
- ARMV7M_R5,
- ARMV7M_R6,
- ARMV7M_R7,
-
- ARMV7M_R8,
- ARMV7M_R9,
- ARMV7M_R10,
- ARMV7M_R11,
-
- ARMV7M_R12,
- ARMV7M_R13,
- ARMV7M_R14,
- ARMV7M_PC = 15,
-
- ARMV7M_xPSR = 16,
- ARMV7M_MSP,
- ARMV7M_PSP,
-
- /* this next set of indices is arbitrary */
- ARMV7M_PRIMASK,
- ARMV7M_BASEPRI,
- ARMV7M_FAULTMASK,
- ARMV7M_CONTROL,
-
- /* 32bit Floating-point registers */
- ARMV7M_S0,
- ARMV7M_S1,
- ARMV7M_S2,
- ARMV7M_S3,
- ARMV7M_S4,
- ARMV7M_S5,
- ARMV7M_S6,
- ARMV7M_S7,
- ARMV7M_S8,
- ARMV7M_S9,
- ARMV7M_S10,
- ARMV7M_S11,
- ARMV7M_S12,
- ARMV7M_S13,
- ARMV7M_S14,
- ARMV7M_S15,
- ARMV7M_S16,
- ARMV7M_S17,
- ARMV7M_S18,
- ARMV7M_S19,
- ARMV7M_S20,
- ARMV7M_S21,
- ARMV7M_S22,
- ARMV7M_S23,
- ARMV7M_S24,
- ARMV7M_S25,
- ARMV7M_S26,
- ARMV7M_S27,
- ARMV7M_S28,
- ARMV7M_S29,
- ARMV7M_S30,
- ARMV7M_S31,
-
- /* 64bit Floating-point registers */
- ARMV7M_D0,
- ARMV7M_D1,
- ARMV7M_D2,
- ARMV7M_D3,
- ARMV7M_D4,
- ARMV7M_D5,
- ARMV7M_D6,
- ARMV7M_D7,
- ARMV7M_D8,
- ARMV7M_D9,
- ARMV7M_D10,
- ARMV7M_D11,
- ARMV7M_D12,
- ARMV7M_D13,
- ARMV7M_D14,
- ARMV7M_D15,
-
- /* Floating-point status registers */
- ARMV7M_FPSID,
- ARMV7M_FPSCR,
- ARMV7M_FPEXC,
-
- ARMV7M_LAST_REG,
- };
-
- enum {
- FP_NONE = 0,
- FPv4_SP,
- };
-
- #define ARMV7M_NUM_CORE_REGS (ARMV7M_xPSR + 1)
-
- #define ARMV7M_COMMON_MAGIC 0x2A452A45
-
- struct armv7m_common {
- struct arm arm;
-
- int common_magic;
- int exception_number;
- struct adiv5_dap dap;
-
- int fp_feature;
- uint32_t demcr;
-
- /* stlink is a high level adapter, does not support all functions */
- bool stlink;
-
- /* Direct processor core register read and writes */
- int (*load_core_reg_u32)(struct target *target, uint32_t num, uint32_t *value);
- int (*store_core_reg_u32)(struct target *target, uint32_t num, uint32_t value);
-
- int (*examine_debug_reason)(struct target *target);
- int (*post_debug_entry)(struct target *target);
-
- void (*pre_restore_context)(struct target *target);
- };
-
- 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(struct armv7m_common *armv7m)
- {
- return armv7m->common_magic == ARMV7M_COMMON_MAGIC;
- }
-
- struct armv7m_algorithm {
- int common_magic;
-
- enum arm_mode core_mode;
-
- uint32_t context[ARMV7M_LAST_REG]; /* ARMV7M_NUM_REGS */
- };
-
- struct reg_cache *armv7m_build_reg_cache(struct target *target);
- enum armv7m_mode armv7m_number_to_mode(int number);
- int armv7m_mode_to_number(enum armv7m_mode mode);
-
- int armv7m_arch_state(struct target *target);
- int armv7m_get_gdb_reg_list(struct target *target,
- struct reg **reg_list[], int *reg_list_size,
- enum target_register_class reg_class);
-
- int armv7m_init_arch_info(struct target *target, struct armv7m_common *armv7m);
-
- int armv7m_run_algorithm(struct target *target,
- int num_mem_params, struct mem_param *mem_params,
- int num_reg_params, struct reg_param *reg_params,
- uint32_t entry_point, uint32_t exit_point,
- int timeout_ms, void *arch_info);
-
- int armv7m_start_algorithm(struct target *target,
- int num_mem_params, struct mem_param *mem_params,
- int num_reg_params, struct reg_param *reg_params,
- uint32_t entry_point, uint32_t exit_point,
- void *arch_info);
-
- 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,
- uint32_t exit_point, int timeout_ms,
- void *arch_info);
-
- int armv7m_invalidate_core_regs(struct target *target);
-
- int armv7m_restore_context(struct target *target);
-
- int armv7m_checksum_memory(struct target *target,
- uint32_t address, uint32_t count, uint32_t *checksum);
- int armv7m_blank_check_memory(struct target *target,
- uint32_t address, uint32_t count, uint32_t *blank);
-
- int armv7m_maybe_skip_bkpt_inst(struct target *target, bool *inst_found);
-
- extern const struct command_registration armv7m_command_handlers[];
-
- #endif /* ARMV7M_H */
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