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Reset wip. Just adding hooks. This is just to reduce the size of the actual change, no change in behaviour. 

git-svn-id: svn://svn.berlios.de/openocd/trunk@565 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe 2008-04-11 14:06:42 +00:00
parent 0d7d64b5e9
commit c4a2fdbc39
12 changed files with 93 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
src/jtag/jtag.c
View File

@ -1482,6 +1482,9 @@ int jtag_register_commands(struct command_context_s *cmd_ctx)
int jtag_interface_init(struct command_context_s *cmd_ctx)
{
if (jtag)
return ERROR_OK;
if (!jtag_interface)
{
/* nothing was previously specified by "interface" command */
@ -1511,11 +1514,12 @@ static int jtag_init_inner(struct command_context_s *cmd_ctx)
{
int validate_tries = 0;
jtag_device_t *device;
int retval;
LOG_DEBUG("-");
if (!jtag && jtag_interface_init(cmd_ctx) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
if ((retval=jtag_interface_init(cmd_ctx)) != ERROR_OK)
return retval;
device = jtag_devices;
jtag_ir_scan_size = 0;
@ -1528,7 +1532,8 @@ static int jtag_init_inner(struct command_context_s *cmd_ctx)
}
jtag_add_tlr();
jtag_execute_queue();
if ((retval=jtag_execute_queue())==ERROR_OK)
return retval;
/* examine chain first, as this could discover the real chain layout */
if (jtag_examine_chain() != ERROR_OK)
@ -1930,7 +1935,7 @@ int handle_jtag_reset_command(struct command_context_s *cmd_ctx, char *cmd, char
return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!jtag && jtag_interface_init(cmd_ctx) != ERROR_OK)
if (jtag_interface_init(cmd_ctx) != ERROR_OK)
return ERROR_JTAG_INIT_FAILED;
jtag_add_reset(trst, srst);

4
src/jtag/jtag.h
View File

@ -241,6 +241,10 @@ enum reset_types
extern enum reset_types jtag_reset_config;
/* initialize interface upon startup. A successful no-op
* upon subsequent invocations
*/
extern int jtag_interface_init(struct command_context_s *cmd_ctx);
/* initialize JTAG chain using only a TLR reset. If init fails,
* try reset + init.
*/

10
src/server/gdb_server.c
View File

@ -690,7 +690,7 @@ int gdb_new_connection(connection_t *connection)
* instantaneous and thus avoiding annoying timeout problems during
* connect.
*/
gdb_service->target->type->halt(gdb_service->target);
target_halt(gdb_service->target);
/* remove the initial ACK from the incoming buffer */
if ((retval = gdb_get_char(connection, &initial_ack)) != ERROR_OK)
@ -1231,7 +1231,7 @@ void gdb_step_continue_packet(connection_t *connection, target_t *target, char *
if (packet[0] == 'c')
{
LOG_DEBUG("continue");
target->type->resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
target_resume(target, current, address, 0, 0); /* resume at current address, don't handle breakpoints, not debugging */
}
else if (packet[0] == 's')
{
@ -1755,7 +1755,7 @@ int gdb_detach(connection_t *connection, target_t *target)
switch( detach_mode )
{
case GDB_DETACH_RESUME:
target->type->resume(target, 1, 0, 1, 0);
target_resume(target, 1, 0, 1, 0);
break;
case GDB_DETACH_RESET:
@ -1763,7 +1763,7 @@ int gdb_detach(connection_t *connection, target_t *target)
break;
case GDB_DETACH_HALT:
target->type->halt(target);
target_halt(target);
break;
case GDB_DETACH_NOTHING:
@ -1904,7 +1904,7 @@ int gdb_input_inner(connection_t *connection)
{
if (target->state == TARGET_RUNNING)
{
target->type->halt(target);
target_halt(target);
gdb_con->ctrl_c = 0;
}
}

2
src/target/arm720t.c
View File

@ -368,7 +368,7 @@ int arm720t_soft_reset_halt(struct target_s *target)
int i;
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
target->type->halt(target);
target_halt(target);
for (i=0; i<10; i++)
{

14
src/target/arm7_9_common.c
View File

@ -755,14 +755,6 @@ int arm7_9_assert_reset(target_t *target)
if ((target->reset_mode == RESET_HALT) || (target->reset_mode == RESET_INIT))
{
reg_t *dbg_ctrl = &arm7_9->eice_cache->reg_list[EICE_DBG_CTRL];
/* program EmbeddedICE Debug Control Register to deassert DBGRQ
* i.e. resume.
*/
buf_set_u32(dbg_ctrl->value, EICE_DBG_CONTROL_DBGRQ, 1, 0);
embeddedice_store_reg(dbg_ctrl);
/*
* Some targets do not support communication while SRST is asserted. We need to
* set up the reset vector catch here.
@ -867,7 +859,7 @@ int arm7_9_soft_reset_halt(struct target_s *target)
int i;
int retval;
if ((retval=target->type->halt(target))!=ERROR_OK)
if ((retval=target_halt(target))!=ERROR_OK)
return retval;
for (i=0; i<10; i++)
@ -2176,11 +2168,11 @@ int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffe
}
}
target->type->halt(target);
target_halt(target);
for (i=0; i<100; i++)
{
target->type->poll(target);
target_poll(target);
if (target->state == TARGET_HALTED)
break;
usleep(1000); /* sleep 1ms */

2
src/target/arm920t.c
View File

@ -624,7 +624,7 @@ int arm920t_soft_reset_halt(struct target_s *target)
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
int i;
target->type->halt(target);
target_halt(target);
for (i=0; i<10; i++)
{

2
src/target/arm926ejs.c
View File

@ -580,7 +580,7 @@ int arm926ejs_soft_reset_halt(struct target_s *target)
reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
int i;
target->type->halt(target);
target_halt(target);
for (i=0; i<10; i++)
{

10
src/target/armv4_5.c
View File

@ -574,22 +574,22 @@ int armv4_5_run_algorithm(struct target_s *target, int num_mem_params, mem_param
return ERROR_TARGET_FAILURE;
}
target->type->resume(target, 0, entry_point, 1, 1);
target->type->poll(target);
target_resume(target, 0, entry_point, 1, 1);
target_poll(target);
while (target->state != TARGET_HALTED)
{
usleep(10000);
target->type->poll(target);
target_poll(target);
if ((timeout_ms -= 10) <= 0)
{
LOG_ERROR("timeout waiting for algorithm to complete, trying to halt target");
target->type->halt(target);
target_halt(target);
timeout_ms = 1000;
while (target->state != TARGET_HALTED)
{
usleep(10000);
target->type->poll(target);
target_poll(target);
if ((timeout_ms -= 10) <= 0)
{
LOG_ERROR("target didn't reenter debug state, exiting");

10
src/target/armv7m.c
View File

@ -349,22 +349,22 @@ int armv7m_run_algorithm(struct target_s *target, int num_mem_params, mem_param_
/* This code relies on the target specific resume() and poll()->debug_entry()
sequence to write register values to the processor and the read them back */
target->type->resume(target, 0, entry_point, 1, 1);
target->type->poll(target);
target_resume(target, 0, entry_point, 1, 1);
target_poll(target);
while (target->state != TARGET_HALTED)
{
usleep(5000);
target->type->poll(target);
target_poll(target);
if ((timeout_ms -= 5) <= 0)
{
LOG_ERROR("timeout waiting for algorithm to complete, trying to halt target");
target->type->halt(target);
target_halt(target);
timeout_ms = 1000;
while (target->state != TARGET_HALTED)
{
usleep(10000);
target->type->poll(target);
target_poll(target);
if ((timeout_ms -= 10) <= 0)
{
LOG_ERROR("target didn't reenter debug state, exiting");

4
src/target/feroceon.c
View File

@ -547,9 +547,9 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf
buffer += 4;
}
target->type->halt(target);
target_halt(target);
while (target->state != TARGET_HALTED)
target->type->poll(target);
target_poll(target);
/* restore target state */
for (i = 0; i <= 5; i++)

79
src/target/target.c
View File

@ -248,11 +248,45 @@ int target_run_and_halt_handler(void *priv)
{
target_t *target = priv;
target->type->halt(target);
target_halt(target);
return ERROR_OK;
}
int target_poll(struct target_s *target)
{
/* We can't poll until after examine */
if (!target->type->examined)
{
/* Fail silently lest we pollute the log */
return ERROR_FAIL;
}
return target->type->poll(target);
}
int target_halt(struct target_s *target)
{
/* We can't poll until after examine */
if (!target->type->examined)
{
LOG_ERROR("Target not examined yet");
return ERROR_FAIL;
}
return target->type->halt(target);
}
int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
{
/* We can't poll until after examine */
if (!target->type->examined)
{
LOG_ERROR("Target not examined yet");
return ERROR_FAIL;
}
return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
}
int target_process_reset(struct command_context_s *cmd_ctx)
{
int retval = ERROR_OK;
@ -325,10 +359,10 @@ int target_process_reset(struct command_context_s *cmd_ctx)
target_register_event_callback(target_init_handler, cmd_ctx);
break;
case RESET_HALT:
target->type->halt(target);
target_halt(target);
break;
case RESET_INIT:
target->type->halt(target);
target_halt(target);
target_register_event_callback(target_init_handler, cmd_ctx);
break;
default:
@ -371,7 +405,7 @@ int target_process_reset(struct command_context_s *cmd_ctx)
while (target)
{
LOG_DEBUG("Polling target");
target->type->poll(target);
target_poll(target);
if ((target->reset_mode == RESET_RUN_AND_INIT) ||
(target->reset_mode == RESET_RUN_AND_HALT) ||
(target->reset_mode == RESET_HALT) ||
@ -1414,19 +1448,14 @@ int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, ch
/* process target state changes */
int handle_target(void *priv)
{
int retval;
target_t *target = targets;
while (target)
{
/* only poll if target isn't already halted */
if (target->state != TARGET_HALTED)
if (target_continous_poll)
{
if (target_continous_poll)
if ((retval = target->type->poll(target)) != ERROR_OK)
{
LOG_ERROR("couldn't poll target(%d). It's due for a reset.", retval);
}
/* polling may fail silently until the target has been examined */
target_poll(target);
}
target = target->next;
@ -1565,7 +1594,7 @@ int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
if (argc == 0)
{
target->type->poll(target);
target_poll(target);
target_arch_state(target);
}
else
@ -1610,7 +1639,7 @@ int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char
static void target_process_events(struct command_context_s *cmd_ctx)
{
target_t *target = get_current_target(cmd_ctx);
target->type->poll(target);
target_poll(target);
target_call_timer_callbacks_now();
}
@ -1625,7 +1654,7 @@ static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_
target_t *target = get_current_target(cmd_ctx);
for (;;)
{
if ((retval=target->type->poll(target))!=ERROR_OK)
if ((retval=target_poll(target))!=ERROR_OK)
return retval;
target_call_timer_callbacks_now();
if (target->state == state)
@ -1656,7 +1685,7 @@ int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
LOG_DEBUG("-");
if ((retval = target->type->halt(target)) != ERROR_OK)
if ((retval = target_halt(target)) != ERROR_OK)
{
return retval;
}
@ -1733,9 +1762,9 @@ int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **a
target_t *target = get_current_target(cmd_ctx);
if (argc == 0)
retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
else if (argc == 1)
retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
else
{
return ERROR_COMMAND_SYNTAX_ERROR;
@ -2485,18 +2514,18 @@ int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **
for (;;)
{
target->type->poll(target);
target_poll(target);
if (target->state == TARGET_HALTED)
{
u32 t=*((u32 *)reg->value);
samples[numSamples++]=t;
retval = target->type->resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
target->type->poll(target);
retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
target_poll(target);
usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
} else if (target->state == TARGET_RUNNING)
{
// We want to quickly sample the PC.
target->type->halt(target);
target_halt(target);
} else
{
command_print(cmd_ctx, "Target not halted or running");
@ -2512,12 +2541,12 @@ int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **
if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
{
command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
target->type->poll(target);
target_poll(target);
if (target->state == TARGET_HALTED)
{
target->type->resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
}
target->type->poll(target);
target_poll(target);
writeGmon(samples, numSamples, args[1]);
command_print(cmd_ctx, "Wrote %s", args[1]);
break;

3
src/target/target.h
View File

@ -256,6 +256,9 @@ extern int target_process_reset(struct command_context_s *cmd_ctx);
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);
extern int target_poll(target_t *target);
extern int target_resume(target_t *target, int current, u32 address, int handle_breakpoints, int debug_execution);
extern int target_halt(target_t *target);
extern int target_call_event_callbacks(target_t *target, enum target_event event);
/* The period is very approximate, the callback can happen much more often