* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008,2009 Øyvind Harboe *
+ * Copyright (C) 2007-2010 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
+ * Copyright (C) 2011 by Broadcom Corporation *
+ * Evan Hunter - ehunter@broadcom.com *
+ * *
+ * Copyright (C) ST-Ericsson SA 2011 *
+ * michel.jaouen@stericsson.com : smp minimum support *
+ * *
* 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 *
#define TARGET_H
#include <helper/types.h>
-#include <helper/jim.h>
struct reg;
struct trace;
struct watchpoint;
struct mem_param;
struct reg_param;
-
+struct target_list;
/*
* TARGET_UNKNOWN = 0: we don't know anything about the target yet
DBG_REASON_UNDEFINED = 6
};
-enum target_endianess
+enum target_endianness
{
TARGET_ENDIAN_UNKNOWN = 0,
TARGET_BIG_ENDIAN = 1, TARGET_LITTLE_ENDIAN = 2
{
uint32_t address;
uint32_t size;
- int free;
+ bool free;
uint8_t *backup;
struct working_area **user;
struct working_area *next;
};
+
+struct gdb_service
+{
+ struct target *target;
+ /* field for smp display */
+ /* element 0 coreid currently displayed ( 1 till n) */
+ /* element 1 coreid to be displayed at next resume 1 till n 0 means resume
+ * all cores
+ core displayed */
+ int32_t core[2];
+};
// target_type.h contains the full definitionof struct targe_type
struct target
const char *cmd_name; /* tcl Name of target */
int target_number; /* DO NOT USE! field to be removed in 2010 */
struct jtag_tap *tap; /* where on the jtag chain is this */
+ int32_t coreid; /* which device on the TAP? */
const char *variant; /* what variant of this chip is it? */
/**
*/
bool examined;
+ /** true iff the target is currently running a downloaded
+ * "algorithm" instetad of arbitrary user code. OpenOCD code
+ * invoking algorithms is trusted to maintain correctness of
+ * any cached state (e.g. for flash status), which arbitrary
+ * code will have no reason to know about.
+ */
+ bool running_alg;
+
struct target_event_action *event_action;
int reset_halt; /* attempt resetting the CPU into the halted mode? */
uint32_t backup_working_area; /* whether the content of the working area has to be preserved */
struct working_area *working_areas;/* list of allocated working areas */
enum target_debug_reason debug_reason;/* reason why the target entered debug state */
- enum target_endianess endianness; /* target endianess */
+ enum target_endianness endianness; /* target endianness */
// also see: target_state_name()
enum target_state state; /* the current backend-state (running, halted, ...) */
struct reg_cache *reg_cache; /* the first register cache of the target (core regs) */
* lots of halted/resumed info when stepping in debugger. */
bool halt_issued; /* did we transition to halted state? */
long long halt_issued_time; /* Note time when halt was issued */
+
+ bool dbgbase_set; /* By default the debug base is not set */
+ uint32_t dbgbase; /* Really a Cortex-A specific option, but there is no
+ system in place to support target specific options
+ currently. */
+ struct rtos *rtos; /* Instance of Real Time Operating System support */
+ bool rtos_auto_detect; /* A flag that indicates that the RTOS has been specified as "auto"
+ * and must be detected when symbols are offered */
+
+ int smp; /* add some target attributes for smp support */
+ struct target_list *head;
+ /* the gdb service is there in case of smp , we have only one gdb server
+ * for all smp target
+ * the target attached to the gdb is changing dynamically by changing
+ * gdb_service->target pointer */
+ struct gdb_service *gdb_service;
+};
+
+
+struct target_list {
+ struct target *target;
+ struct target_list *next;
};
/** Returns the instance-specific name of the specified target. */
struct target_event_action {
enum target_event event;
- Jim_Interp *interp;
+ struct Jim_Interp *interp;
struct Jim_Obj *body;
int has_percent;
struct target_event_action *next;
};
int target_register_commands(struct command_context *cmd_ctx);
-int target_register_user_commands(struct command_context *cmd_ctx);
-int target_init(struct command_context *cmd_ctx);
int target_examine(void);
-int target_process_reset(struct command_context *cmd_ctx,
- enum target_reset_mode reset_mode);
int target_register_event_callback(
int (*callback)(struct target *target,
int (*callback)(struct target *target,
enum target_event event, void *priv),
void *priv);
+/* Poll the status of the target, detect any error conditions and report them.
+ *
+ * Also note that this fn will clear such error conditions, so a subsequent
+ * invocation will then succeed.
+ *
+ * These error conditions can be "sticky" error conditions. E.g. writing
+ * to memory could be implemented as an open loop and if memory writes
+ * fails, then a note is made of it, the error is sticky, but the memory
+ * write loop still runs to completion. This improves performance in the
+ * normal case as there is no need to verify that every single write succeed,
+ * yet it is possible to detect error condtions.
+ */
int target_poll(struct target *target);
int target_resume(struct target *target, int current, uint32_t address,
int handle_breakpoints, int debug_execution);
*/
int target_register_timer_callback(int (*callback)(void *priv),
int time_ms, int periodic, void *priv);
-int target_unregister_timer_callback(int (*callback)(void *priv), void *priv);
int target_call_timer_callbacks(void);
/**
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
/**
* Write @a count items of @a size bytes to the memory of @a target at
- * the @a address given.
+ * the @a address given. @a address must be aligned to @a size
+ * in target memory.
+ *
+ * The endianness is the same in the host and target memory for this
+ * function.
+ *
+ * \todo TODO:
+ * Really @a buffer should have been defined as "const void *" and
+ * @a buffer should have been aligned to @a size in the host memory.
+ *
+ * This is not enforced via e.g. assert's today and e.g. the
+ * target_write_buffer fn breaks this assumption.
*
* This routine is wrapper for target->type->write_memory.
*/
int target_write_memory(struct target *target,
- uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
+ uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
/**
* Write @a count items of 4 bytes to the memory of @a target at
* This routine is wrapper for target->type->bulk_write_memory.
*/
int target_bulk_write_memory(struct target *target,
- uint32_t address, uint32_t count, uint8_t *buffer);
+ uint32_t address, uint32_t count, const uint8_t *buffer);
/*
* Write to target memory using the virtual address.
* peripheral registers which do not support byte operations.
*/
int target_write_buffer(struct target *target,
- uint32_t address, uint32_t size, uint8_t *buffer);
+ uint32_t address, uint32_t size, const uint8_t *buffer);
int target_read_buffer(struct target *target,
uint32_t address, uint32_t size, uint8_t *buffer);
int target_checksum_memory(struct target *target,
*/
int target_alloc_working_area(struct target *target,
uint32_t size, struct working_area **area);
+/* Same as target_alloc_working_area, except that no error is logged
+ * when ERROR_TARGET_RESOURCE_NOT_AVAILABLE is returned.
+ *
+ * This allows the calling code to *try* to allocate target memory
+ * and have a fallback to another behavior(slower?).
+ */
+int target_alloc_working_area_try(struct target *target,
+ uint32_t size, struct working_area **area);
int target_free_working_area(struct target *target, struct working_area *area);
-int target_free_working_area_restore(struct target *target,
- struct working_area *area, int restore);
void target_free_all_working_areas(struct target *target);
-void target_free_all_working_areas_restore(struct target *target, int restore);
extern struct target *all_targets;
-extern struct target_event_callback *target_event_callbacks;
-extern struct target_timer_callback *target_timer_callbacks;
-
uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer);
+uint32_t target_buffer_get_u24(struct target *target, const uint8_t *buffer);
uint16_t target_buffer_get_u16(struct target *target, const uint8_t *buffer);
-uint8_t target_buffer_get_u8 (struct target *target, const uint8_t *buffer);
void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value);
+void target_buffer_set_u24(struct target *target, uint8_t *buffer, uint32_t value);
void target_buffer_set_u16(struct target *target, uint8_t *buffer, uint16_t value);
-void target_buffer_set_u8 (struct target *target, uint8_t *buffer, uint8_t value);
int target_read_u32(struct target *target, uint32_t address, uint32_t *value);
int target_read_u16(struct target *target, uint32_t address, uint16_t *value);
int target_arch_state(struct target *target);
void target_handle_event(struct target *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)
#define ERROR_TARGET_NOT_RUNNING (-310)
#define ERROR_TARGET_NOT_EXAMINED (-311)
-const char *target_strerror_safe(int err);
+extern bool get_target_reset_nag(void);
#endif /* TARGET_H */