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ETM: update port drivers

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Make both useful ETM port drivers (etb, etm_dummy) use the new
toplevel ETM handle, instead of the to-be-removed lower level one.

Do the same for the "oocd-trace" prototype too; and fix its
error reporting paths:  return failure codes, don't exit(), etc

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell 2009-11-11 21:52:02 -08:00
parent 3ae4401901
commit 9855a11edd
3 changed files with 41 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/target/etb.c
View File

@ -353,8 +353,7 @@ static int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cm
{
target_t *target;
jtag_tap_t *tap;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
struct arm *arm;
if (argc != 2)
{
@ -369,9 +368,10 @@ static int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cm
return ERROR_FAIL;
}
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
arm = target_to_arm(target);
if (!is_arm(arm))
{
command_print(cmd_ctx, "ETB: current target isn't an ARM7/ARM9 target");
command_print(cmd_ctx, "ETB: '%s' isn't an ARM", args[0]);
return ERROR_FAIL;
}
@ -382,11 +382,11 @@ static int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cm
return ERROR_FAIL;
}
if (arm7_9->etm_ctx)
if (arm->etm)
{
etb_t *etb = malloc(sizeof(etb_t));
arm7_9->etm_ctx->capture_driver_priv = etb;
arm->etm->capture_driver_priv = etb;
etb->tap = tap;
etb->cur_scan_chain = 0xffffffff;

12
src/target/etm_dummy.c
View File

@ -28,8 +28,7 @@
static int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
struct arm *arm;
target = get_target(args[0]);
@ -39,15 +38,16 @@ static int handle_etm_dummy_config_command(struct command_context_s *cmd_ctx, ch
return ERROR_FAIL;
}
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
arm = target_to_arm(target);
if (!is_arm(arm))
{
command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
command_print(cmd_ctx, "target '%s' isn't an ARM", args[0]);
return ERROR_FAIL;
}
if (arm7_9->etm_ctx)
if (arm->etm)
{
arm7_9->etm_ctx->capture_driver_priv = NULL;
arm->etm->capture_driver_priv = NULL;
}
else
{

59
src/target/oocd_trace.c
View File

@ -292,29 +292,28 @@ etm_capture_driver_t oocd_trace_capture_driver =
static int handle_oocd_trace_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
struct arm *arm;
if (argc != 2)
{
LOG_ERROR("incomplete 'oocd_trace config <target> <tty>' command");
exit(-1);
return ERROR_FAIL;
}
target = get_current_target(cmd_ctx);
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
arm = target_to_arm(target);
if (!is_arm(arm))
{
command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
return ERROR_OK;
command_print(cmd_ctx, "current target isn't an ARM");
return ERROR_FAIL;
}
if (arm7_9->etm_ctx)
if (arm->etm)
{
oocd_trace_t *oocd_trace = malloc(sizeof(oocd_trace_t));
arm7_9->etm_ctx->capture_driver_priv = oocd_trace;
oocd_trace->etm_ctx = arm7_9->etm_ctx;
arm->etm->capture_driver_priv = oocd_trace;
oocd_trace->etm_ctx = arm->etm;
/* copy name of TTY device used to communicate with OpenOCD + trace */
oocd_trace->tty = strndup(args[1], 256);
@ -330,32 +329,32 @@ static int handle_oocd_trace_config_command(struct command_context_s *cmd_ctx, c
static int handle_oocd_trace_status_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
struct arm *arm;
oocd_trace_t *oocd_trace;
uint32_t status;
target = get_current_target(cmd_ctx);
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
arm = target_to_arm(target);
if (!is_arm(arm))
{
command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
return ERROR_OK;
command_print(cmd_ctx, "current target isn't an ARM");
return ERROR_FAIL;
}
if (!arm7_9->etm_ctx)
if (!arm->etm)
{
command_print(cmd_ctx, "current target doesn't have an ETM configured");
return ERROR_OK;
return ERROR_FAIL;
}
if (strcmp(arm7_9->etm_ctx->capture_driver->name, "oocd_trace") != 0)
if (strcmp(arm->etm->capture_driver->name, "oocd_trace") != 0)
{
command_print(cmd_ctx, "current target's ETM capture driver isn't 'oocd_trace'");
return ERROR_OK;
return ERROR_FAIL;
}
oocd_trace = (oocd_trace_t*)arm7_9->etm_ctx->capture_driver_priv;
oocd_trace = (oocd_trace_t*)arm->etm->capture_driver_priv;
oocd_trace_read_reg(oocd_trace, OOCD_TRACE_STATUS, &status);
@ -370,33 +369,33 @@ static int handle_oocd_trace_status_command(struct command_context_s *cmd_ctx, c
static int handle_oocd_trace_resync_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
struct arm *arm;
oocd_trace_t *oocd_trace;
size_t bytes_written;
uint8_t cmd_array[1];
target = get_current_target(cmd_ctx);
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
arm = target_to_arm(target);
if (!is_arm(arm))
{
command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
return ERROR_OK;
command_print(cmd_ctx, "current target isn't an ARM");
return ERROR_FAIL;
}
if (!arm7_9->etm_ctx)
if (!arm->etm)
{
command_print(cmd_ctx, "current target doesn't have an ETM configured");
return ERROR_OK;
return ERROR_FAIL;
}
if (strcmp(arm7_9->etm_ctx->capture_driver->name, "oocd_trace") != 0)
if (strcmp(arm->etm->capture_driver->name, "oocd_trace") != 0)
{
command_print(cmd_ctx, "current target's ETM capture driver isn't 'oocd_trace'");
return ERROR_OK;
return ERROR_FAIL;
}
oocd_trace = (oocd_trace_t*)arm7_9->etm_ctx->capture_driver_priv;
oocd_trace = (oocd_trace_t*)arm->etm->capture_driver_priv;
cmd_array[0] = 0xf0;