#include "config.h"
#endif
-#include "armv4_5.h"
+#include "arm.h"
+#include "etm.h"
#include "etb.h"
+#include "register.h"
static char* etb_reg_list[] =
"ETB_control",
};
-static int etb_reg_arch_type = -1;
-
static int etb_get_reg(struct reg *reg);
static int etb_set_instr(struct etb *etb, uint32_t new_instr)
field.tap = tap;
field.num_bits = tap->ir_length;
- field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+ field.out_value = calloc(DIV_ROUND_UP(field.num_bits, 8), 1);
buf_set_u32(field.out_value, 0, field.num_bits, new_instr);
field.in_value = NULL;
field.tap = etb->tap;
field.num_bits = 5;
- field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+ field.out_value = calloc(DIV_ROUND_UP(field.num_bits, 8), 1);
buf_set_u32(field.out_value, 0, field.num_bits, new_scan_chain);
field.in_value = NULL;
return ERROR_OK;
}
+static const struct reg_arch_type etb_reg_type = {
+ .get = etb_get_reg,
+ .set = etb_set_reg_w_exec,
+};
+
struct reg_cache* etb_build_reg_cache(struct etb *etb)
{
struct reg_cache *reg_cache = malloc(sizeof(struct reg_cache));
int num_regs = 9;
int i;
- /* register a register arch-type for etm registers only once */
- if (etb_reg_arch_type == -1)
- etb_reg_arch_type = register_reg_arch_type(etb_get_reg, etb_set_reg_w_exec);
-
/* the actual registers are kept in two arrays */
reg_list = calloc(num_regs, sizeof(struct reg));
arch_info = calloc(num_regs, sizeof(struct etb_reg));
reg_list[i].size = 32;
reg_list[i].dirty = 0;
reg_list[i].valid = 0;
- reg_list[i].bitfield_desc = NULL;
- reg_list[i].num_bitfields = 0;
reg_list[i].value = calloc(1, 4);
reg_list[i].arch_info = &arch_info[i];
- reg_list[i].arch_type = etb_reg_arch_type;
+ reg_list[i].type = &etb_reg_type;
reg_list[i].size = 32;
arch_info[i].addr = i;
arch_info[i].etb = etb;
struct jtag_tap *tap;
struct arm *arm;
- if (argc != 2)
+ if (CMD_ARGC != 2)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
- target = get_target(args[0]);
+ target = get_target(CMD_ARGV[0]);
if (!target)
{
- LOG_ERROR("ETB: target '%s' not defined", args[0]);
+ LOG_ERROR("ETB: target '%s' not defined", CMD_ARGV[0]);
return ERROR_FAIL;
}
arm = target_to_arm(target);
if (!is_arm(arm))
{
- command_print(cmd_ctx, "ETB: '%s' isn't an ARM", args[0]);
+ command_print(CMD_CTX, "ETB: '%s' isn't an ARM", CMD_ARGV[0]);
return ERROR_FAIL;
}
- tap = jtag_tap_by_string(args[1]);
+ tap = jtag_tap_by_string(CMD_ARGV[1]);
if (tap == NULL)
{
- command_print(cmd_ctx, "ETB: TAP %s does not exist", args[1]);
+ command_print(CMD_CTX, "ETB: TAP %s does not exist", CMD_ARGV[1]);
return ERROR_FAIL;
}
return ERROR_OK;
}
-static int etb_register_commands(struct command_context *cmd_ctx)
+COMMAND_HANDLER(handle_etb_trigger_percent_command)
{
- struct command *etb_cmd = register_command(cmd_ctx, NULL, "etb",
- NULL, COMMAND_ANY, "Embedded Trace Buffer");
+ struct target *target;
+ struct arm *arm;
+ struct etm_context *etm;
+ struct etb *etb;
+
+ target = get_current_target(CMD_CTX);
+ arm = target_to_arm(target);
+ if (!is_arm(arm))
+ {
+ command_print(CMD_CTX, "ETB: current target isn't an ARM");
+ return ERROR_FAIL;
+ }
+
+ etm = arm->etm;
+ if (!etm) {
+ command_print(CMD_CTX, "ETB: target has no ETM configured");
+ return ERROR_FAIL;
+ }
+ if (etm->capture_driver != &etb_capture_driver) {
+ command_print(CMD_CTX, "ETB: target not using ETB");
+ return ERROR_FAIL;
+ }
+ etb = arm->etm->capture_driver_priv;
+
+ if (CMD_ARGC > 0) {
+ uint32_t new_value;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], new_value);
+ if ((new_value < 2) || (new_value > 100))
+ command_print(CMD_CTX,
+ "valid percentages are 2%% to 100%%");
+ else
+ etb->trigger_percent = (unsigned) new_value;
+ }
- register_command(cmd_ctx, etb_cmd, "config",
- handle_etb_config_command, COMMAND_CONFIG,
- NULL);
+ command_print(CMD_CTX, "%d percent of tracebuffer fills after trigger",
+ etb->trigger_percent);
return ERROR_OK;
}
+static const struct command_registration etb_config_command_handlers[] = {
+ {
+ .name = "config",
+ .handler = &handle_etb_config_command,
+ .mode = COMMAND_CONFIG,
+ .usage = "target tap",
+ },
+ {
+ .name = "trigger_percent",
+ .handler = &handle_etb_trigger_percent_command,
+ .mode = COMMAND_EXEC,
+ .help = "percent of trace buffer to be filled "
+ "after the trigger occurs",
+ .usage = "[percent]",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+static const struct command_registration etb_command_handlers[] = {
+ {
+ .name = "etb",
+ .mode = COMMAND_ANY,
+ .help = "Emebdded Trace Buffer command group",
+ .chain = etb_config_command_handlers,
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
static int etb_init(struct etm_context *etm_ctx)
{
struct etb *etb = etm_ctx->capture_driver_priv;
etb->ram_depth = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_DEPTH].value, 0, 32);
etb->ram_width = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_WIDTH].value, 0, 32);
+ etb->trigger_percent = 50;
+
return ERROR_OK;
}
return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
}
- trigger_count = (etb->ram_depth * etm_ctx->trigger_percent) / 100;
+ trigger_count = (etb->ram_depth * etb->trigger_percent) / 100;
etb_write_reg(&etb->reg_cache->reg_list[ETB_TRIGGER_COUNTER], trigger_count);
etb_write_reg(&etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER], 0x0);
struct etm_capture_driver etb_capture_driver =
{
.name = "etb",
- .register_commands = etb_register_commands,
+ .commands = etb_command_handlers,
.init = etb_init,
.status = etb_status,
.start_capture = etb_start_capture,
projects / fw / openocd / blobdiff