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Improve ETM tracemode update command.

This commit is contained in:
Zachary T Welch 2009-10-22 08:11:55 -07:00
parent d660721ba8
commit 4189fdad28
1 changed files with 85 additions and 89 deletions
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174
src/target/etm.c
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@ -1155,15 +1155,84 @@ static int etmv1_analyze_trace(etm_context_t *ctx, struct command_context_s *cmd
return ERROR_OK;
}
static int handle_etm_tracemode_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
static int handle_etm_tracemode_command_update(
struct command_context_s *cmd_ctx,
char **args, etmv1_tracemode_t *mode)
{
target_t *target;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
etmv1_tracemode_t tracemode;
target = get_current_target(cmd_ctx);
/* what parts of data access are traced? */
if (strcmp(args[0], "none") == 0)
tracemode = ETMV1_TRACE_NONE;
else if (strcmp(args[0], "data") == 0)
tracemode = ETMV1_TRACE_DATA;
else if (strcmp(args[0], "address") == 0)
tracemode = ETMV1_TRACE_ADDR;
else if (strcmp(args[0], "all") == 0)
tracemode = ETMV1_TRACE_DATA | ETMV1_TRACE_ADDR;
else
{
command_print(cmd_ctx, "invalid option '%s'", args[0]);
return ERROR_OK;
}
uint8_t context_id;
COMMAND_PARSE_NUMBER(u8, args[1], context_id);
switch (context_id)
{
case 0:
tracemode |= ETMV1_CONTEXTID_NONE;
break;
case 8:
tracemode |= ETMV1_CONTEXTID_8;
break;
case 16:
tracemode |= ETMV1_CONTEXTID_16;
break;
case 32:
tracemode |= ETMV1_CONTEXTID_32;
break;
default:
command_print(cmd_ctx, "invalid option '%s'", args[1]);
return ERROR_OK;
}
if (strcmp(args[2], "enable") == 0)
tracemode |= ETMV1_CYCLE_ACCURATE;
else if (strcmp(args[2], "disable") == 0)
tracemode |= 0;
else
{
command_print(cmd_ctx, "invalid option '%s'", args[2]);
return ERROR_OK;
}
if (strcmp(args[3], "enable") == 0)
tracemode |= ETMV1_BRANCH_OUTPUT;
else if (strcmp(args[3], "disable") == 0)
tracemode |= 0;
else
{
command_print(cmd_ctx, "invalid option '%s'", args[3]);
return ERROR_OK;
}
/* IGNORED:
* - CPRT tracing (coprocessor register transfers)
* - debug request (causes debug entry on trigger)
* - stall on FIFOFULL (preventing tracedata lossage)
*/
*mode = tracemode;
return ERROR_OK;
}
static int handle_etm_tracemode_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target = get_current_target(cmd_ctx);
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
if (arm7_9_get_arch_pointers(target, &armv4_5, &arm7_9) != ERROR_OK)
{
command_print(cmd_ctx, "current target isn't an ARM7/ARM9 target");
@ -1176,91 +1245,18 @@ static int handle_etm_tracemode_command(struct command_context_s *cmd_ctx, char
return ERROR_OK;
}
tracemode = arm7_9->etm_ctx->tracemode;
if (argc == 4)
etmv1_tracemode_t tracemode = arm7_9->etm_ctx->tracemode;
switch (argc)
{
/* what parts of data access are traced? */
if (strcmp(args[0], "none") == 0)
{
tracemode = ETMV1_TRACE_NONE;
}
else if (strcmp(args[0], "data") == 0)
{
tracemode = ETMV1_TRACE_DATA;
}
else if (strcmp(args[0], "address") == 0)
{
tracemode = ETMV1_TRACE_ADDR;
}
else if (strcmp(args[0], "all") == 0)
{
tracemode = ETMV1_TRACE_DATA | ETMV1_TRACE_ADDR;
}
else
{
command_print(cmd_ctx, "invalid option '%s'", args[0]);
return ERROR_OK;
}
uint8_t context_id;
COMMAND_PARSE_NUMBER(u8, args[1], context_id);
switch (context_id)
{
case 0:
tracemode |= ETMV1_CONTEXTID_NONE;
break;
case 8:
tracemode |= ETMV1_CONTEXTID_8;
break;
case 16:
tracemode |= ETMV1_CONTEXTID_16;
break;
case 32:
tracemode |= ETMV1_CONTEXTID_32;
break;
default:
command_print(cmd_ctx, "invalid option '%s'", args[1]);
return ERROR_OK;
}
if (strcmp(args[2], "enable") == 0)
{
tracemode |= ETMV1_CYCLE_ACCURATE;
}
else if (strcmp(args[2], "disable") == 0)
{
tracemode |= 0;
}
else
{
command_print(cmd_ctx, "invalid option '%s'", args[2]);
return ERROR_OK;
}
if (strcmp(args[3], "enable") == 0)
{
tracemode |= ETMV1_BRANCH_OUTPUT;
}
else if (strcmp(args[3], "disable") == 0)
{
tracemode |= 0;
}
else
{
command_print(cmd_ctx, "invalid option '%s'", args[2]);
return ERROR_OK;
}
/* IGNORED:
* - CPRT tracing (coprocessor register transfers)
* - debug request (causes debug entry on trigger)
* - stall on FIFOFULL (preventing tracedata lossage)
*/
}
else if (argc != 0)
{
command_print(cmd_ctx, "usage: configure trace mode <none | data | address | all> <context id bits> <cycle accurate> <branch output>");
case 0:
break;
case 4:
handle_etm_tracemode_command_update(cmd_ctx, args, &tracemode);
break;
default:
command_print(cmd_ctx, "usage: configure trace mode "
"<none | data | address | all> "
"<context id bits> <cycle accurate> <branch output>");
return ERROR_OK;
}