X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Ftarget.h;h=5b160d1265b5ce7a8afe344d5cac2b60ce9539ee;hb=f9a3c36cf26b209e04f0f67e0d2b6a844b6b5873;hp=2551ede7ba07cfaeb896d070495cd8d397a63fcf;hpb=f370d70670bd5e30befe6fbfbc8d472e760f032b;p=openocd.git diff --git a/src/target/target.h b/src/target/target.h index 2551ede7ba..5b160d1265 100644 --- a/src/target/target.h +++ b/src/target/target.h @@ -2,9 +2,12 @@ * Copyright (C) 2005 by Dominic Rath * * Dominic.Rath@gmx.de * * * - * Copyright (C) 2007,2008 Øyvind Harboe * + * Copyright (C) 2007,2008 Øyvind Harboe * * oyvind.harboe@zylin.com * * * + * 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 * @@ -55,15 +58,25 @@ enum target_state TARGET_DEBUG_RUNNING = 4, }; -extern char *target_state_strings[]; +extern const Jim_Nvp nvp_target_state[]; + +enum nvp_assert { + NVP_DEASSERT, + NVP_ASSERT, +}; + +extern const Jim_Nvp nvp_assert[]; enum target_reset_mode { - RESET_RUN = 0, /* reset and let target run */ - RESET_HALT = 1, /* reset and halt target out of reset */ - RESET_INIT = 2, /* reset and halt target out of reset, then run init script */ + RESET_UNKNOWN = 0, + RESET_RUN = 1, /* reset and let target run */ + RESET_HALT = 2, /* reset and halt target out of reset */ + RESET_INIT = 3, /* reset and halt target out of reset, then run init script */ }; +extern const Jim_Nvp nvp_reset_mode[]; + enum target_debug_reason { DBG_REASON_DBGRQ = 0, @@ -75,14 +88,15 @@ enum target_debug_reason DBG_REASON_UNDEFINED = 6 }; -extern char *target_debug_reason_strings[]; +extern const Jim_Nvp nvp_target_debug_reason[]; enum target_endianess { - TARGET_BIG_ENDIAN = 0, TARGET_LITTLE_ENDIAN = 1 + TARGET_ENDIAN_UNKNOWN=0, + TARGET_BIG_ENDIAN = 1, TARGET_LITTLE_ENDIAN = 2 }; -extern char *target_endianess_strings[]; +extern const Jim_Nvp nvp_target_endian[]; struct target_s; @@ -162,20 +176,47 @@ typedef struct target_type_s int (*checksum_memory)(struct target_s *target, u32 address, u32 count, u32* checksum); int (*blank_check_memory)(struct target_s *target, u32 address, u32 count, u32* blank); - /* target break-/watchpoint control - * rw: 0 = write, 1 = read, 2 = access - */ + /* + * target break-/watchpoint control + * rw: 0 = write, 1 = read, 2 = access + * + * Target must be halted while this is invoked as this + * will actually set up breakpoints on target. + * + * The breakpoint hardware will be set up upon adding the first breakpoint. + * + * Upon GDB connection all breakpoints/watchpoints are cleared. + */ int (*add_breakpoint)(struct target_s *target, breakpoint_t *breakpoint); + + /* remove breakpoint. hw will only be updated if the target is currently halted. + * However, this method can be invoked on unresponsive targets. + */ int (*remove_breakpoint)(struct target_s *target, breakpoint_t *breakpoint); int (*add_watchpoint)(struct target_s *target, watchpoint_t *watchpoint); + /* remove watchpoint. hw will only be updated if the target is currently halted. + * However, this method can be invoked on unresponsive targets. + */ int (*remove_watchpoint)(struct target_s *target, watchpoint_t *watchpoint); /* target algorithm support */ int (*run_algorithm_imp)(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 (*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 (*register_commands)(struct command_context_s *cmd_ctx); - int (*target_command)(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct target_s *target); + + int (*register_commands)(struct command_context_s *cmd_ctx); + + /* called when target is created */ + int (*target_create)( struct target_s *target, Jim_Interp *interp ); + + /* called for various config parameters */ + /* returns JIM_CONTINUE - if option not understood */ + /* otherwise: JIM_OK, or JIM_ERR, */ + int (*target_jim_configure)( struct target_s *target, Jim_GetOptInfo *goi ); + + /* target commands specifically handled by the target */ + /* returns JIM_OK, or JIM_ERR, or JIM_CONTINUE - if option not understood */ + int (*target_jim_commands)( struct target_s *target, Jim_GetOptInfo *goi ); + /* invoked after JTAG chain has been examined & validated. During * this stage the target is examined and any additional setup is * performed. @@ -196,9 +237,18 @@ typedef struct target_type_s } target_type_t; +// forward decloration +typedef struct target_event_action_s target_event_action_t; + typedef struct target_s { target_type_t *type; /* target type definition (name, access functions) */ + const char *cmd_name; /* tcl Name of target */ + int target_number; /* generaly, target index but may not be in order */ + int chain_position; /* where on the jtag chain is this */ + const char *variant; /* what varient of this chip is it? */ + target_event_action_t *event_action; + int reset_halt; /* attempt resetting the CPU into the halted mode? */ u32 working_area; /* working area (initialized RAM). Evaluated upon first allocation from virtual/physical address. */ @@ -222,14 +272,62 @@ typedef struct target_s enum target_event { - TARGET_EVENT_HALTED, /* target entered debug state from normal execution or reset */ - TARGET_EVENT_RESUMED, /* target resumed to normal execution */ - TARGET_EVENT_RESET, /* target entered reset */ - TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */ - TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */ - TARGET_EVENT_GDB_PROGRAM /* target about to be be programmed by gdb */ + // OLD historical names + // - Prior to the great TCL change + // - June/July/Aug 2008 + // - Duane Ellis + TARGET_EVENT_OLD_gdb_program_config, + TARGET_EVENT_OLD_pre_reset, + TARGET_EVENT_OLD_post_reset, + TARGET_EVENT_OLD_pre_resume, + + /* allow GDB to do stuff before others handle the halted event, + this is in lieu of defining ordering of invocation of events, + which would be more complicated */ + TARGET_EVENT_EARLY_HALTED, + TARGET_EVENT_HALTED, /* target entered debug state from normal execution or reset */ + TARGET_EVENT_RESUMED, /* target resumed to normal execution */ + TARGET_EVENT_RESUME_START, + TARGET_EVENT_RESUME_END, + + TARGET_EVENT_RESET_START, + TARGET_EVENT_RESET_ASSERT_PRE, + TARGET_EVENT_RESET_ASSERT_POST, + TARGET_EVENT_RESET_DEASSERT_PRE, + TARGET_EVENT_RESET_DEASSERT_POST, + TARGET_EVENT_RESET_HALT_PRE, + TARGET_EVENT_RESET_HALT_POST, + TARGET_EVENT_RESET_WAIT_PRE, + TARGET_EVENT_RESET_WAIT_POST, + TARGET_EVENT_RESET_INIT, + TARGET_EVENT_RESET_END, + + + TARGET_EVENT_DEBUG_HALTED, /* target entered debug state, but was executing on behalf of the debugger */ + TARGET_EVENT_DEBUG_RESUMED, /* target resumed to execute on behalf of the debugger */ + + TARGET_EVENT_EXAMINE_START, + TARGET_EVENT_EXAMINE_END, + + + TARGET_EVENT_GDB_ATTACH, + TARGET_EVENT_GDB_DETACH, + + TARGET_EVENT_GDB_FLASH_ERASE_START, + TARGET_EVENT_GDB_FLASH_ERASE_END, + TARGET_EVENT_GDB_FLASH_WRITE_START, + TARGET_EVENT_GDB_FLASH_WRITE_END, }; +extern const Jim_Nvp nvp_target_event[]; + +struct target_event_action_s { + enum target_event event; + Jim_Obj *body; + int has_percent; + target_event_action_t *next; + }; + typedef struct target_event_callback_s { int (*callback)(struct target_s *target, enum target_event event, void *priv); @@ -250,7 +348,7 @@ typedef struct target_timer_callback_s extern int target_register_commands(struct command_context_s *cmd_ctx); extern int target_register_user_commands(struct command_context_s *cmd_ctx); extern int target_init(struct command_context_s *cmd_ctx); -extern int target_examine(); +extern int target_examine(void); extern int handle_target(void *priv); extern int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode); @@ -299,15 +397,17 @@ extern int target_free_working_area_restore(struct target_s *target, working_are extern int target_free_all_working_areas(struct target_s *target); extern int target_free_all_working_areas_restore(struct target_s *target, int restore); -extern target_t *targets; +extern target_t *all_targets; extern target_event_callback_t *target_event_callbacks; extern target_timer_callback_t *target_timer_callbacks; extern u32 target_buffer_get_u32(target_t *target, u8 *buffer); extern u16 target_buffer_get_u16(target_t *target, u8 *buffer); +extern u8 target_buffer_get_u8 (target_t *target, u8 *buffer); extern void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value); extern void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value); +extern void target_buffer_set_u8 (target_t *target, u8 *buffer, u8 value); int target_read_u32(struct target_s *target, u32 address, u32 *value); int target_read_u16(struct target_s *target, u32 address, u16 *value); @@ -319,7 +419,9 @@ int target_write_u8(struct target_s *target, u32 address, u8 value); /* Issues USER() statements with target state information */ int target_arch_state(struct target_s *target); -int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name); +void target_handle_event( target_t *t, enum target_event e); +void target_all_handle_event( enum target_event e ); + #define ERROR_TARGET_INVALID (-300) #define ERROR_TARGET_INIT_FAILED (-301) @@ -331,5 +433,9 @@ int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, ch #define ERROR_TARGET_RESOURCE_NOT_AVAILABLE (-308) #define ERROR_TARGET_TRANSLATION_FAULT (-309) #define ERROR_TARGET_NOT_RUNNING (-310) +#define ERROR_TARGET_NOT_EXAMINED (-311) + +extern const Jim_Nvp nvp_error_target[]; +extern const char *target_strerror_safe( int err ); #endif /* TARGET_H */