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- /***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * Copyright (C) 2007,2008 Øyvind Harboe *
- * oyvind.harboe@zylin.com *
- * *
- * Copyright (C) 2008 by Spencer Oliver *
- * spen@spen-soft.co.uk *
- * *
- * Copyright (C) 2008 by Hongtao Zheng *
- * hontor@126.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., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
- #ifndef ARM7_9_COMMON_H
- #define ARM7_9_COMMON_H
-
- #include "arm.h"
- #include "arm_jtag.h"
-
- #define ARM7_9_COMMON_MAGIC 0x0a790a79 /**< */
-
- /**
- * Structure for items that are common between both ARM7 and ARM9 targets.
- */
- struct arm7_9_common {
- struct arm arm;
- uint32_t common_magic;
-
- struct arm_jtag jtag_info; /**< JTAG information for target */
- struct reg_cache *eice_cache; /**< Embedded ICE register cache */
-
- uint32_t arm_bkpt; /**< ARM breakpoint instruction */
- uint16_t thumb_bkpt; /**< Thumb breakpoint instruction */
-
- int sw_breakpoints_added; /**< Specifies which watchpoint software breakpoints are setup on */
- int sw_breakpoint_count; /**< keep track of number of software breakpoints we have set */
- int breakpoint_count; /**< Current number of set breakpoints */
- int wp_available; /**< Current number of available watchpoint units */
- int wp_available_max; /**< Maximum number of available watchpoint units */
- int wp0_used; /**< Specifies if and how watchpoint unit 0 is used */
- int wp1_used; /**< Specifies if and how watchpoint unit 1 is used */
- int wp1_used_default; /**< Specifies if and how watchpoint unit 1 is used by default */
- int dbgreq_adjust_pc; /**< Amount of PC adjustment caused by a DBGREQ */
- bool use_dbgrq; /**< Specifies if DBGRQ should be used to halt the target */
- bool need_bypass_before_restart; /**< Specifies if there should be a bypass before a JTAG restart */
-
- bool has_single_step;
- bool has_monitor_mode;
- bool has_vector_catch; /**< Specifies if the target has a reset vector catch */
-
- bool debug_entry_from_reset; /**< Specifies if debug entry was from a reset */
-
- bool fast_memory_access;
- bool dcc_downloads;
-
- struct working_area *dcc_working_area;
-
- int (*examine_debug_reason)(struct target *target);
- /**< Function for determining why debug state was entered */
-
- void (*change_to_arm)(struct target *target, uint32_t *r0, uint32_t *pc);
- /**< Function for changing from Thumb to ARM mode */
-
- void (*read_core_regs)(struct target *target, uint32_t mask, uint32_t *core_regs[16]);
- /**< Function for reading the core registers */
-
- void (*read_core_regs_target_buffer)(struct target *target, uint32_t mask,
- void *buffer, int size);
- void (*read_xpsr)(struct target *target, uint32_t *xpsr, int spsr);
- /**< Function for reading CPSR or SPSR */
-
- void (*write_xpsr)(struct target *target, uint32_t xpsr, int spsr);
- /**< Function for writing to CPSR or SPSR */
-
- void (*write_xpsr_im8)(struct target *target, uint8_t xpsr_im, int rot, int spsr);
- /**< Function for writing an immediate value to CPSR or SPSR */
-
- void (*write_core_regs)(struct target *target, uint32_t mask, uint32_t core_regs[16]);
-
- void (*load_word_regs)(struct target *target, uint32_t mask);
- void (*load_hword_reg)(struct target *target, int num);
- void (*load_byte_reg)(struct target *target, int num);
-
- void (*store_word_regs)(struct target *target, uint32_t mask);
- void (*store_hword_reg)(struct target *target, int num);
- void (*store_byte_reg)(struct target *target, int num);
-
- void (*write_pc)(struct target *target, uint32_t pc);
- /**< Function for writing to the program counter */
-
- void (*branch_resume)(struct target *target);
- void (*branch_resume_thumb)(struct target *target);
-
- void (*enable_single_step)(struct target *target, uint32_t next_pc);
- void (*disable_single_step)(struct target *target);
-
- void (*set_special_dbgrq)(struct target *target);
- /**< Function for setting DBGRQ if the normal way won't work */
-
- int (*post_debug_entry)(struct target *target);
- /**< Callback function called after entering debug mode */
-
- void (*pre_restore_context)(struct target *target);
- /**< Callback function called before restoring the processor context */
- };
-
- static inline struct arm7_9_common *target_to_arm7_9(struct target *target)
- {
- return container_of(target->arch_info, struct arm7_9_common, arm);
- }
-
- static inline bool is_arm7_9(struct arm7_9_common *arm7_9)
- {
- return arm7_9->common_magic == ARM7_9_COMMON_MAGIC;
- }
-
- extern const struct command_registration arm7_9_command_handlers[];
-
- int arm7_9_poll(struct target *target);
-
- int arm7_9_target_request_data(struct target *target, uint32_t size, uint8_t *buffer);
-
- int arm7_9_assert_reset(struct target *target);
- int arm7_9_deassert_reset(struct target *target);
- int arm7_9_reset_request_halt(struct target *target);
- int arm7_9_early_halt(struct target *target);
- int arm7_9_soft_reset_halt(struct target *target);
- int arm7_9_prepare_reset_halt(struct target *target);
-
- int arm7_9_halt(struct target *target);
- int arm7_9_resume(struct target *target, int current, uint32_t address,
- int handle_breakpoints, int debug_execution);
- int arm7_9_step(struct target *target, int current, uint32_t address,
- int handle_breakpoints);
- int arm7_9_read_memory(struct target *target, uint32_t address,
- uint32_t size, uint32_t count, uint8_t *buffer);
- int arm7_9_write_memory(struct target *target, uint32_t address,
- uint32_t size, uint32_t count, const uint8_t *buffer);
- int arm7_9_bulk_write_memory(struct target *target, uint32_t address,
- uint32_t count, const uint8_t *buffer);
-
- int arm7_9_run_algorithm(struct target *target, int num_mem_params,
- struct mem_param *mem_params, int num_reg_prams,
- struct reg_param *reg_param, uint32_t entry_point, void *arch_info);
-
- int arm7_9_add_breakpoint(struct target *target, struct breakpoint *breakpoint);
- int arm7_9_remove_breakpoint(struct target *target, struct breakpoint *breakpoint);
- int arm7_9_add_watchpoint(struct target *target, struct watchpoint *watchpoint);
- int arm7_9_remove_watchpoint(struct target *target, struct watchpoint *watchpoint);
-
- void arm7_9_enable_eice_step(struct target *target, uint32_t next_pc);
- void arm7_9_disable_eice_step(struct target *target);
-
- int arm7_9_execute_sys_speed(struct target *target);
-
- int arm7_9_init_arch_info(struct target *target, struct arm7_9_common *arm7_9);
- int arm7_9_examine(struct target *target);
- int arm7_9_check_reset(struct target *target);
-
- #endif /* ARM7_9_COMMON_H */
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