X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Farm11.h;h=3fa1dd869516df90797b4fb2d8e5242256f20004;hb=66add57aa5bae147b7996840a2287f3547b4b8ea;hp=ccc9c09fc2222423eccd41b386707f7b2a229366;hpb=3a4896182036eb472a06f66be3710d5c228b6748;p=openocd.git diff --git a/src/target/arm11.h b/src/target/arm11.h index ccc9c09fc2..3fa1dd8695 100644 --- a/src/target/arm11.h +++ b/src/target/arm11.h @@ -1,6 +1,8 @@ /*************************************************************************** * Copyright (C) 2008 digenius technology GmbH. * * * + * Copyright (C) 2008 Georg Acher * + * * * 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 * @@ -24,14 +26,12 @@ #include "register.h" #include "embeddedice.h" #include "arm_jtag.h" -#include - +#include "types.h" #define asizeof(x) (sizeof(x) / sizeof((x)[0])) #define NEW(type, variable, items) \ - type * variable = calloc(1, sizeof(type) * items) - + type * variable = calloc(1, sizeof(type) * items) /* For MinGW use 'I' prefix to print size_t (instead of 'z') */ @@ -41,141 +41,153 @@ #define ZU "%Iu" #endif - #define ARM11_REGCACHE_MODEREGS 0 #define ARM11_REGCACHE_FREGS 0 #define ARM11_REGCACHE_COUNT (20 + \ - 23 * ARM11_REGCACHE_MODEREGS + \ + 23 * ARM11_REGCACHE_MODEREGS + \ 9 * ARM11_REGCACHE_FREGS) +#define ARM11_TAP_DEFAULT TAP_INVALID + + +#define CHECK_RETVAL(action) \ +do { \ + int __retval = (action); \ + \ + if (__retval != ERROR_OK) \ + { \ + LOG_DEBUG("error while calling \"" # action "\""); \ + return __retval; \ + } \ + \ +} while (0) + typedef struct arm11_register_history_s { - u32 value; - u8 valid; + u32 value; + u8 valid; }arm11_register_history_t; enum arm11_debug_version { - ARM11_DEBUG_V6 = 0x01, - ARM11_DEBUG_V61 = 0x02, - ARM11_DEBUG_V7 = 0x03, - ARM11_DEBUG_V7_CP14 = 0x04, + ARM11_DEBUG_V6 = 0x01, + ARM11_DEBUG_V61 = 0x02, + ARM11_DEBUG_V7 = 0x03, + ARM11_DEBUG_V7_CP14 = 0x04, }; typedef struct arm11_common_s { - target_t * target; + target_t * target; /**< Reference back to the owner */ - arm_jtag_t jtag_info; + arm_jtag_t jtag_info; /**< Handler to access assigned JTAG device */ - /** \name Processor type detection */ - /*@{*/ + /** \name Processor type detection */ + /*@{*/ - u32 device_id; /**< IDCODE readout */ - u32 didr; /**< DIDR readout (debug capabilities) */ - u8 implementor; /**< DIDR Implementor readout */ + u32 device_id; /**< IDCODE readout */ + u32 didr; /**< DIDR readout (debug capabilities) */ + u8 implementor; /**< DIDR Implementor readout */ - size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */ - size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */ + size_t brp; /**< Number of Breakpoint Register Pairs from DIDR */ + size_t wrp; /**< Number of Watchpoint Register Pairs from DIDR */ - enum arm11_debug_version - debug_version; /**< ARM debug architecture from DIDR */ - /*@}*/ + enum arm11_debug_version + debug_version; /**< ARM debug architecture from DIDR */ + /*@}*/ + u32 last_dscr; /**< Last retrieved DSCR value; + Use only for debug message generation */ - u32 last_dscr; /**< Last retrieved DSCR value; - * Can be used to detect changes */ + bool trst_active; + bool halt_requested; /**< Keep track if arm11_halt() calls occured + during reset. Otherwise do it ASAP. */ - bool trst_active; - bool halt_requested; - bool simulate_reset_on_next_halt; + bool simulate_reset_on_next_halt; /**< Perform cleanups of the ARM state on next halt */ - /** \name Shadow registers to save processor state */ - /*@{*/ + /** \name Shadow registers to save processor state */ + /*@{*/ - reg_t * reg_list; /**< target register list */ - u32 reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */ + reg_t * reg_list; /**< target register list */ + u32 reg_values[ARM11_REGCACHE_COUNT]; /**< data for registers */ - /*@}*/ + /*@}*/ - arm11_register_history_t + arm11_register_history_t reg_history[ARM11_REGCACHE_COUNT]; /**< register state before last resume */ + size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */ + size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */ - size_t free_brps; /**< keep track of breakpoints allocated by arm11_add_breakpoint() */ - size_t free_wrps; /**< keep track of breakpoints allocated by arm11_add_watchpoint() */ - + // GA + reg_cache_t *core_cache; } arm11_common_t; /** - * ARM11 DBGTAP instructions - * + * ARM11 DBGTAP instructions + * * http://infocenter.arm.com/help/topic/com.arm.doc.ddi0301f/I1006229.html */ enum arm11_instructions { - ARM11_EXTEST = 0x00, - ARM11_SCAN_N = 0x02, - ARM11_RESTART = 0x04, - ARM11_HALT = 0x08, - ARM11_INTEST = 0x0C, - ARM11_ITRSEL = 0x1D, - ARM11_IDCODE = 0x1E, - ARM11_BYPASS = 0x1F, + ARM11_EXTEST = 0x00, + ARM11_SCAN_N = 0x02, + ARM11_RESTART = 0x04, + ARM11_HALT = 0x08, + ARM11_INTEST = 0x0C, + ARM11_ITRSEL = 0x1D, + ARM11_IDCODE = 0x1E, + ARM11_BYPASS = 0x1F, }; enum arm11_dscr { - ARM11_DSCR_CORE_HALTED = 1 << 0, - ARM11_DSCR_CORE_RESTARTED = 1 << 1, - - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2, - ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2, - - ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6, - ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7, - ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13, - ARM11_DSCR_MODE_SELECT = 1 << 14, - ARM11_DSCR_WDTR_FULL = 1 << 29, - ARM11_DSCR_RDTR_FULL = 1 << 30, + ARM11_DSCR_CORE_HALTED = 1 << 0, + ARM11_DSCR_CORE_RESTARTED = 1 << 1, + + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_MASK = 0x0F << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_HALT = 0x00 << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BREAKPOINT = 0x01 << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_WATCHPOINT = 0x02 << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_BKPT_INSTRUCTION = 0x03 << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_EDBGRQ = 0x04 << 2, + ARM11_DSCR_METHOD_OF_DEBUG_ENTRY_VECTOR_CATCH = 0x05 << 2, + + ARM11_DSCR_STICKY_PRECISE_DATA_ABORT = 1 << 6, + ARM11_DSCR_STICKY_IMPRECISE_DATA_ABORT = 1 << 7, + ARM11_DSCR_INTERRUPTS_DISABLE = 1 << 11, + ARM11_DSCR_EXECUTE_ARM_INSTRUCTION_ENABLE = 1 << 13, + ARM11_DSCR_MODE_SELECT = 1 << 14, + ARM11_DSCR_WDTR_FULL = 1 << 29, + ARM11_DSCR_RDTR_FULL = 1 << 30, }; enum arm11_cpsr { - ARM11_CPSR_T = 1 << 5, - ARM11_CPSR_J = 1 << 24, + ARM11_CPSR_T = 1 << 5, + ARM11_CPSR_J = 1 << 24, }; enum arm11_sc7 { - ARM11_SC7_NULL = 0, - ARM11_SC7_VCR = 7, - ARM11_SC7_PC = 8, - ARM11_SC7_BVR0 = 64, - ARM11_SC7_BCR0 = 80, - ARM11_SC7_WVR0 = 96, - ARM11_SC7_WCR0 = 112, + ARM11_SC7_NULL = 0, + ARM11_SC7_VCR = 7, + ARM11_SC7_PC = 8, + ARM11_SC7_BVR0 = 64, + ARM11_SC7_BCR0 = 80, + ARM11_SC7_WVR0 = 96, + ARM11_SC7_WCR0 = 112, }; - - typedef struct arm11_reg_state_s { - u32 def_index; - target_t * target; + u32 def_index; + target_t * target; } arm11_reg_state_t; - - - /* poll current target status */ int arm11_poll(struct target_s *target); /* architecture specific status reply */ @@ -198,7 +210,7 @@ int arm11_soft_reset_halt(struct target_s *target); /* target register access for gdb */ int arm11_get_gdb_reg_list(struct target_s *target, struct reg_s **reg_list[], int *reg_list_size); -/* target memory access +/* target memory access * size: 1 = byte (8bit), 2 = half-word (16bit), 4 = word (32bit) * count: number of items of */ @@ -210,7 +222,7 @@ int arm11_bulk_write_memory(struct target_s *target, u32 address, u32 count, u8 int arm11_checksum_memory(struct target_s *target, u32 address, u32 count, u32* checksum); -/* target break-/watchpoint control +/* target break-/watchpoint control * rw: 0 = write, 1 = read, 2 = access */ int arm11_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint); @@ -222,43 +234,42 @@ int arm11_remove_watchpoint(struct target_s *target, watchpoint_t *watchpoint); int arm11_run_algorithm(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info); int arm11_register_commands(struct command_context_s *cmd_ctx); -int arm11_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target); +int arm11_target_create(struct target_s *target, Jim_Interp *interp); int arm11_init_target(struct command_context_s *cmd_ctx, struct target_s *target); int arm11_quit(void); - /* helpers */ -void arm11_build_reg_cache(target_t *target); +int arm11_build_reg_cache(target_t *target); +int arm11_set_reg(reg_t *reg, u8 *buf); +int arm11_get_reg(reg_t *reg); void arm11_record_register_history(arm11_common_t * arm11); void arm11_dump_reg_changes(arm11_common_t * arm11); - /* internals */ -void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field); -void arm11_add_IR (arm11_common_t * arm11, u8 instr, enum tap_state state); -void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, enum tap_state state); -void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, enum tap_state state); -u32 arm11_read_DSCR (arm11_common_t * arm11); -void arm11_write_DSCR (arm11_common_t * arm11, u32 dscr); +void arm11_setup_field (arm11_common_t * arm11, int num_bits, void * in_data, void * out_data, scan_field_t * field); +void arm11_add_IR (arm11_common_t * arm11, u8 instr, tap_state_t state); +void arm11_add_debug_SCAN_N (arm11_common_t * arm11, u8 chain, tap_state_t state); +void arm11_add_debug_INST (arm11_common_t * arm11, u32 inst, u8 * flag, tap_state_t state); +int arm11_read_DSCR (arm11_common_t * arm11, u32 *dscr); +int arm11_write_DSCR (arm11_common_t * arm11, u32 dscr); enum target_debug_reason arm11_get_DSCR_debug_reason(u32 dscr); -void arm11_run_instr_data_prepare (arm11_common_t * arm11); -void arm11_run_instr_data_finish (arm11_common_t * arm11); -void arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count); -void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode); -void arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); -void arm11_run_instr_data_to_core_noack (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); -void arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data); -void arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); +void arm11_run_instr_data_prepare (arm11_common_t * arm11); +void arm11_run_instr_data_finish (arm11_common_t * arm11); +int arm11_run_instr_no_data (arm11_common_t * arm11, u32 * opcode, size_t count); +void arm11_run_instr_no_data1 (arm11_common_t * arm11, u32 opcode); +int arm11_run_instr_data_to_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); +int arm11_run_instr_data_to_core_noack (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); +int arm11_run_instr_data_to_core1 (arm11_common_t * arm11, u32 opcode, u32 data); +int arm11_run_instr_data_from_core (arm11_common_t * arm11, u32 opcode, u32 * data, size_t count); void arm11_run_instr_data_from_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 * data); void arm11_run_instr_data_to_core_via_r0 (arm11_common_t * arm11, u32 opcode, u32 data); -int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state); -int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state state); - +int arm11_add_dr_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state); +int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, tap_state_t state); /** Used to make a list of read/write commands for scan chain 7 * @@ -266,21 +277,19 @@ int arm11_add_ir_scan_vc(int num_fields, scan_field_t *fields, enum tap_state st */ typedef struct arm11_sc7_action_s { - bool write; /**< Access mode: true for write, false for read. */ - u8 address; /**< Register address mode. Use enum #arm11_sc7 */ - u32 value; /**< If write then set this to value to be written. - In read mode this receives the read value when the - function returns. */ + bool write; /**< Access mode: true for write, false for read. */ + u8 address; /**< Register address mode. Use enum #arm11_sc7 */ + u32 value; /**< If write then set this to value to be written. + In read mode this receives the read value when the + function returns. */ } arm11_sc7_action_t; -void arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count); +int arm11_sc7_run(arm11_common_t * arm11, arm11_sc7_action_t * actions, size_t count); /* Mid-level helper functions */ void arm11_sc7_clear_vbw(arm11_common_t * arm11); void arm11_sc7_set_vcr(arm11_common_t * arm11, u32 value); -void arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result); - - +int arm11_read_memory_word(arm11_common_t * arm11, u32 address, u32 * result); #endif /* ARM11_H */