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riscv-openocd
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Retired old reset code according to plan. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@1047 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-10-13 20:38:58 +00:00
parent 6bc51d7135
commit fe41e273e3
2 changed files with 2 additions and 132 deletions
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133
src/target/target.c
View File

@ -56,8 +56,6 @@
#include <fileio.h>
#include <image.h>
static int USE_OLD_RESET = 0; // temp
int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
@ -69,7 +67,6 @@ int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args
int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
@ -422,7 +419,7 @@ int target_resume(struct target_s *target, int current, u32 address, int handle_
}
static int NEW_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
static int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
{
char buf[100];
int retval;
@ -447,113 +444,6 @@ static int NEW_target_process_reset(struct command_context_s *cmd_ctx, enum targ
return retval;
}
// Next patch - this turns into TCL...
static int OLD_target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
{
int retval = ERROR_OK;
target_t *target;
target = all_targets;
target_all_handle_event( TARGET_EVENT_OLD_pre_reset );
if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
return retval;
keep_alive(); /* we might be running on a very slow JTAG clk */
/* First time this is executed after launching OpenOCD, it will read out
* the type of CPU, etc. and init Embedded ICE registers in host
* memory.
*
* It will also set up ICE registers in the target.
*
* However, if we assert TRST later, we need to set up the registers again.
*
* For the "reset halt/init" case we must only set up the registers here.
*/
if ((retval = target_examine()) != ERROR_OK)
return retval;
keep_alive(); /* we might be running on a very slow JTAG clk */
target = all_targets;
while (target)
{
/* we have no idea what state the target is in, so we
* have to drop working areas
*/
target_free_all_working_areas_restore(target, 0);
target->reset_halt=((reset_mode==RESET_HALT)||(reset_mode==RESET_INIT));
if ((retval = target->type->assert_reset(target))!=ERROR_OK)
return retval;
target = target->next;
}
target = all_targets;
while (target)
{
if ((retval = target->type->deassert_reset(target))!=ERROR_OK)
return retval;
target = target->next;
}
target = all_targets;
while (target)
{
/* We can fail to bring the target into the halted state, try after reset has been deasserted */
if (target->reset_halt)
{
/* wait up to 1 second for halt. */
if ((retval = target_wait_state(target, TARGET_HALTED, 1000)) != ERROR_OK)
return retval;
if (target->state != TARGET_HALTED)
{
LOG_WARNING("Failed to reset target into halted mode - issuing halt");
if ((retval = target->type->halt(target))!=ERROR_OK)
return retval;
}
}
target = target->next;
}
LOG_DEBUG("Waiting for halted stated as appropriate");
if ((reset_mode == RESET_HALT) || (reset_mode == RESET_INIT))
{
target = all_targets;
while (target)
{
/* Wait for reset to complete, maximum 5 seconds. */
if (((retval=target_wait_state(target, TARGET_HALTED, 5000)))==ERROR_OK)
{
if (reset_mode == RESET_INIT){
target_handle_event( target, TARGET_EVENT_OLD_post_reset );
}
}
target = target->next;
}
}
/* We want any events to be processed before the prompt */
if ((retval = target_call_timer_callbacks_now()) != ERROR_OK)
return retval;
return retval;
}
int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode)
{
if( USE_OLD_RESET ){
return OLD_target_process_reset( cmd_ctx, reset_mode );
} else {
return NEW_target_process_reset( cmd_ctx, reset_mode );
}
}
static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
{
@ -1429,8 +1319,7 @@ int target_register_user_commands(struct command_context_s *cmd_ctx)
register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target");
register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]");
register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]");
register_command(cmd_ctx, NULL, "NEWreset", handle_NEWreset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "OLDreset target [run|halt|init] - default is run");
register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init] - default is run");
register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset");
register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
@ -1826,24 +1715,6 @@ int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **ar
return target_process_reset(cmd_ctx, reset_mode);
}
int handle_NEWreset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
int x;
char *cp;
if (argc >= 1){
x = strtol( args[0], &cp, 0 );
if( *cp != 0 ){
command_print( cmd_ctx, "Not numeric: %s\n", args[0] );
return ERROR_COMMAND_SYNTAX_ERROR;
}
USE_OLD_RESET = !!x;
}
command_print( cmd_ctx, "reset method: %d (%s)\n",
USE_OLD_RESET,
USE_OLD_RESET ? "old-method" : "new-method" );
return ERROR_OK;
}
int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{

1
src/target/target.h
View File

@ -350,7 +350,6 @@ 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(void);
extern int handle_target(void *priv);
extern int target_process_reset(struct command_context_s *cmd_ctx, enum target_reset_mode reset_mode);
extern int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);
extern int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv);