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target: add check_reset hook

Allow targets to run checks post reset. Used to check
that e.g. DCC downloads have been enabled.

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
tags/v0.4.0-rc2
Øyvind Harboe 14 years ago
parent
commit
dc793455e9
3 changed files with 46 additions and 1 deletions
  1. +36
    -0
      src/target/target.c
  2. +3
    -1
      src/target/target.h
  3. +7
    -0
      src/target/target_type.h

+ 36
- 0
src/target/target.c View File

@@ -477,6 +477,11 @@ int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode
/* We want any events to be processed before the prompt */
retval = target_call_timer_callbacks_now();

struct target *target;
for (target = all_targets; target; target = target->next) {
target->type->check_reset(target);
}

return retval;
}

@@ -499,6 +504,12 @@ static int default_examine(struct target *target)
return ERROR_OK;
}

/* no check by default */
static int default_check_reset(struct target *target)
{
return ERROR_OK;
}

int target_examine_one(struct target *target)
{
return target->type->examine(target);
@@ -708,6 +719,9 @@ static int target_init_one(struct command_context *cmd_ctx,
if (type->examine == NULL)
type->examine = default_examine;

if (type->check_reset== NULL)
type->check_reset = default_check_reset;

int retval = type->init_target(cmd_ctx, target);
if (ERROR_OK != retval)
{
@@ -4887,6 +4901,20 @@ int target_register_commands(struct command_context *cmd_ctx)
return register_commands(cmd_ctx, NULL, target_command_handlers);
}

static bool target_reset_nag = true;

bool get_target_reset_nag(void)
{
return target_reset_nag;
}

COMMAND_HANDLER(handle_target_reset_nag)
{
return CALL_COMMAND_HANDLER(handle_command_parse_bool,
&target_reset_nag, "Nag after each reset about options to improve "
"performance");
}

static const struct command_registration target_exec_command_handlers[] = {
{
.name = "fast_load_image",
@@ -5088,6 +5116,14 @@ static const struct command_registration target_exec_command_handlers[] = {
"and write the 8/16/32 bit values",
.usage = "arrayname bitwidth address count",
},
{
.name = "reset_nag",
.handler = handle_target_reset_nag,
.mode = COMMAND_ANY,
.help = "Nag after each reset about options that could have been "
"enabled to improve performance. ",
.usage = "['enable'|'disable']",
},
COMMAND_REGISTRATION_DONE
};
int target_register_user_commands(struct command_context *cmd_ctx)


+ 3
- 1
src/target/target.h View File

@@ -2,7 +2,7 @@
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008,2009 Øyvind Harboe *
* Copyright (C) 2007-9 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
@@ -483,4 +483,6 @@ void target_all_handle_event(enum target_event e);

const char *target_strerror_safe(int err);

extern bool get_target_reset_nag(void);

#endif /* TARGET_H */

+ 7
- 0
src/target/target_type.h View File

@@ -213,6 +213,13 @@ struct target_type

int (*mmu)(struct target *target, int *enabled);

/* after reset is complete, the target can check if things are properly set up.
*
* This can be used to check if e.g. DCC memory writes have been enabled for
* arm7/9 targets, which they really should except in the most contrived
* circumstances.
*/
int (*check_reset)(struct target *target);
};

#endif // TARGET_TYPE_H

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