#include "config.h"
#endif
-#include <string.h>
-
-#include "arm7_9_common.h"
-#include "etb.h"
+#include "armv4_5.h"
#include "etm.h"
-
-#include "log.h"
-#include "types.h"
-#include "binarybuffer.h"
-#include "target.h"
+#include "etb.h"
#include "register.h"
-#include "jtag.h"
-#include <stdlib.h>
-char* etb_reg_list[] =
+static char* etb_reg_list[] =
{
"ETB_identification",
"ETB_ram_depth",
"ETB_control",
};
-int etb_reg_arch_type = -1;
-
-int etb_get_reg(reg_t *reg);
-int etb_set_reg(reg_t *reg, u32 value);
-int etb_set_reg_w_exec(reg_t *reg, u8 *buf);
+static int etb_get_reg(struct reg *reg);
-int etb_write_reg(reg_t *reg, u32 value);
-int etb_read_reg(reg_t *reg);
+static int etb_set_instr(struct etb *etb, uint32_t new_instr)
+{
+ struct jtag_tap *tap;
-int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+ tap = etb->tap;
+ if (tap == NULL)
+ return ERROR_FAIL;
-int etb_set_instr(etb_t *etb, u32 new_instr)
-{
- jtag_device_t *device = jtag_get_device(etb->chain_pos);
-
- if (buf_get_u32(device->cur_instr, 0, device->ir_length) != new_instr)
+ if (buf_get_u32(tap->cur_instr, 0, tap->ir_length) != new_instr)
{
- scan_field_t field;
-
- field.device = etb->chain_pos;
- field.num_bits = device->ir_length;
- field.out_value = calloc(CEIL(field.num_bits, 8), 1);
+ struct scan_field field;
+
+ field.tap = tap;
+ field.num_bits = tap->ir_length;
+ 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.out_mask = NULL;
+
field.in_value = NULL;
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
-
- jtag_add_ir_scan(1, &field, -1, NULL);
-
+
+ jtag_add_ir_scan(1, &field, jtag_get_end_state());
+
free(field.out_value);
}
-
+
return ERROR_OK;
}
-int etb_scann(etb_t *etb, u32 new_scan_chain)
+static int etb_scann(struct etb *etb, uint32_t new_scan_chain)
{
- if(etb->cur_scan_chain != new_scan_chain)
+ if (etb->cur_scan_chain != new_scan_chain)
{
- scan_field_t field;
-
- field.device = etb->chain_pos;
+ struct scan_field field;
+
+ 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.out_mask = NULL;
+
field.in_value = NULL;
- field.in_check_value = NULL;
- field.in_check_mask = NULL;
- field.in_handler = NULL;
- field.in_handler_priv = NULL;
-
+
/* select INTEST instruction */
etb_set_instr(etb, 0x2);
- jtag_add_dr_scan(1, &field, -1, NULL);
-
+ jtag_add_dr_scan(1, &field, jtag_get_end_state());
+
etb->cur_scan_chain = new_scan_chain;
-
+
free(field.out_value);
}
return ERROR_OK;
}
-reg_cache_t* etb_build_reg_cache(etb_t *etb)
+static int etb_read_reg_w_check(struct reg *, uint8_t *, uint8_t *);
+static int etb_set_reg_w_exec(struct reg *, uint8_t *);
+
+static int etb_read_reg(struct reg *reg)
{
- reg_cache_t *reg_cache = malloc(sizeof(reg_cache_t));
- reg_t *reg_list = NULL;
- etb_reg_t *arch_info = NULL;
+ return etb_read_reg_w_check(reg, NULL, NULL);
+}
+
+static int etb_get_reg(struct reg *reg)
+{
+ int retval;
+
+ if ((retval = etb_read_reg(reg)) != ERROR_OK)
+ {
+ LOG_ERROR("BUG: error scheduling ETB register read");
+ return retval;
+ }
+
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ LOG_ERROR("ETB register read failed");
+ return retval;
+ }
+
+ 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));
+ struct reg *reg_list = NULL;
+ struct etb_reg *arch_info = NULL;
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(reg_t));
- arch_info = calloc(num_regs, sizeof(etb_reg_t));
-
+ reg_list = calloc(num_regs, sizeof(struct reg));
+ arch_info = calloc(num_regs, sizeof(struct etb_reg));
+
/* fill in values for the reg cache */
reg_cache->name = "etb registers";
reg_cache->next = NULL;
reg_cache->reg_list = reg_list;
reg_cache->num_regs = num_regs;
-
+
/* set up registers */
for (i = 0; i < num_regs; i++)
{
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;
}
-
+
return reg_cache;
}
-int etb_get_reg(reg_t *reg)
+static void etb_getbuf(jtag_callback_data_t arg)
{
- if (etb_read_reg(reg) != ERROR_OK)
- {
- ERROR("BUG: error scheduling etm register read");
- exit(-1);
- }
-
- if (jtag_execute_queue() != ERROR_OK)
- {
- ERROR("register read failed");
- }
-
- return ERROR_OK;
+ uint8_t *in = (uint8_t *)arg;
+
+ *((uint32_t *)in) = buf_get_u32(in, 0, 32);
}
-int etb_read_ram(etb_t *etb, u32 *data, int num_frames)
+
+static int etb_read_ram(struct etb *etb, uint32_t *data, int num_frames)
{
- scan_field_t fields[3];
+ struct scan_field fields[3];
int i;
-
- jtag_add_end_state(TAP_RTI);
+
+ jtag_set_end_state(TAP_IDLE);
etb_scann(etb, 0x0);
etb_set_instr(etb, 0xc);
-
- fields[0].device = etb->chain_pos;
+
+ fields[0].tap = etb->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
-
- fields[1].device = etb->chain_pos;
+
+ fields[1].tap = etb->tap;
fields[1].num_bits = 7;
fields[1].out_value = malloc(1);
buf_set_u32(fields[1].out_value, 0, 7, 4);
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[2].device = etb->chain_pos;
+ fields[2].tap = etb->tap;
fields[2].num_bits = 1;
fields[2].out_value = malloc(1);
buf_set_u32(fields[2].out_value, 0, 1, 0);
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- jtag_add_dr_scan(3, fields, -1, NULL);
-
- fields[0].in_handler = buf_to_u32_handler;
-
+
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
+
for (i = 0; i < num_frames; i++)
{
/* ensure nR/W reamins set to read */
buf_set_u32(fields[2].out_value, 0, 1, 0);
-
+
/* address remains set to 0x4 (RAM data) until we read the last frame */
if (i < num_frames - 1)
buf_set_u32(fields[1].out_value, 0, 7, 4);
else
buf_set_u32(fields[1].out_value, 0, 7, 0);
-
- fields[0].in_handler_priv = &data[i];
- jtag_add_dr_scan(3, fields, -1, NULL);
+
+ fields[0].in_value = (uint8_t *)(data + i);
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
+
+ jtag_add_callback(etb_getbuf, (jtag_callback_data_t)(data + i));
}
-
+
jtag_execute_queue();
-
+
free(fields[1].out_value);
free(fields[2].out_value);
-
+
return ERROR_OK;
}
-int etb_read_reg_w_check(reg_t *reg, u8* check_value, u8* check_mask)
+static int etb_read_reg_w_check(struct reg *reg,
+ uint8_t* check_value, uint8_t* check_mask)
{
- etb_reg_t *etb_reg = reg->arch_info;
- u8 reg_addr = etb_reg->addr & 0x7f;
- scan_field_t fields[3];
-
- DEBUG("%i", etb_reg->addr);
+ struct etb_reg *etb_reg = reg->arch_info;
+ uint8_t reg_addr = etb_reg->addr & 0x7f;
+ struct scan_field fields[3];
+
+ LOG_DEBUG("%i", (int)(etb_reg->addr));
- jtag_add_end_state(TAP_RTI);
+ jtag_set_end_state(TAP_IDLE);
etb_scann(etb_reg->etb, 0x0);
etb_set_instr(etb_reg->etb, 0xc);
-
- fields[0].device = etb_reg->etb->chain_pos;
+
+ fields[0].tap = etb_reg->etb->tap;
fields[0].num_bits = 32;
fields[0].out_value = reg->value;
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
-
- fields[1].device = etb_reg->etb->chain_pos;
+ fields[0].check_value = NULL;
+ fields[0].check_mask = NULL;
+
+ fields[1].tap = etb_reg->etb->tap;
fields[1].num_bits = 7;
fields[1].out_value = malloc(1);
buf_set_u32(fields[1].out_value, 0, 7, reg_addr);
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
+ fields[1].check_value = NULL;
+ fields[1].check_mask = NULL;
- fields[2].device = etb_reg->etb->chain_pos;
+ fields[2].tap = etb_reg->etb->tap;
fields[2].num_bits = 1;
fields[2].out_value = malloc(1);
buf_set_u32(fields[2].out_value, 0, 1, 0);
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- jtag_add_dr_scan(3, fields, -1, NULL);
-
+ fields[2].check_value = NULL;
+ fields[2].check_mask = NULL;
+
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
+
/* read the identification register in the second run, to make sure we
* don't read the ETB data register twice, skipping every second entry
*/
buf_set_u32(fields[1].out_value, 0, 7, 0x0);
fields[0].in_value = reg->value;
-
- jtag_set_check_value(fields+0, check_value, check_mask, NULL);
-
- jtag_add_dr_scan(3, fields, -1, NULL);
+ fields[0].check_value = check_value;
+ fields[0].check_mask = check_mask;
+
+ jtag_add_dr_scan_check(3, fields, jtag_get_end_state());
free(fields[1].out_value);
free(fields[2].out_value);
-
+
return ERROR_OK;
}
-int etb_read_reg(reg_t *reg)
-{
- return etb_read_reg_w_check(reg, NULL, NULL);
-}
+static int etb_write_reg(struct reg *, uint32_t);
-int etb_set_reg(reg_t *reg, u32 value)
+static int etb_set_reg(struct reg *reg, uint32_t value)
{
- if (etb_write_reg(reg, value) != ERROR_OK)
+ int retval;
+
+ if ((retval = etb_write_reg(reg, value)) != ERROR_OK)
{
- ERROR("BUG: error scheduling etm register write");
- exit(-1);
+ LOG_ERROR("BUG: error scheduling ETB register write");
+ return retval;
}
-
+
buf_set_u32(reg->value, 0, reg->size, value);
reg->valid = 1;
reg->dirty = 0;
-
+
return ERROR_OK;
}
-int etb_set_reg_w_exec(reg_t *reg, u8 *buf)
+static int etb_set_reg_w_exec(struct reg *reg, uint8_t *buf)
{
+ int retval;
+
etb_set_reg(reg, buf_get_u32(buf, 0, reg->size));
-
- if (jtag_execute_queue() != ERROR_OK)
+
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
- ERROR("register write failed");
- exit(-1);
+ LOG_ERROR("ETB: register write failed");
+ return retval;
}
return ERROR_OK;
}
-int etb_write_reg(reg_t *reg, u32 value)
+static int etb_write_reg(struct reg *reg, uint32_t value)
{
- etb_reg_t *etb_reg = reg->arch_info;
- u8 reg_addr = etb_reg->addr & 0x7f;
- scan_field_t fields[3];
-
- DEBUG("%i: 0x%8.8x", etb_reg->addr, value);
-
- jtag_add_end_state(TAP_RTI);
+ struct etb_reg *etb_reg = reg->arch_info;
+ uint8_t reg_addr = etb_reg->addr & 0x7f;
+ struct scan_field fields[3];
+
+ LOG_DEBUG("%i: 0x%8.8" PRIx32 "", (int)(etb_reg->addr), value);
+
+ jtag_set_end_state(TAP_IDLE);
etb_scann(etb_reg->etb, 0x0);
etb_set_instr(etb_reg->etb, 0xc);
-
- fields[0].device = etb_reg->etb->chain_pos;
+
+ fields[0].tap = etb_reg->etb->tap;
fields[0].num_bits = 32;
fields[0].out_value = malloc(4);
buf_set_u32(fields[0].out_value, 0, 32, value);
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
-
- fields[1].device = etb_reg->etb->chain_pos;
+
+ fields[1].tap = etb_reg->etb->tap;
fields[1].num_bits = 7;
fields[1].out_value = malloc(1);
buf_set_u32(fields[1].out_value, 0, 7, reg_addr);
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[2].device = etb_reg->etb->chain_pos;
+ fields[2].tap = etb_reg->etb->tap;
fields[2].num_bits = 1;
fields[2].out_value = malloc(1);
buf_set_u32(fields[2].out_value, 0, 1, 1);
- fields[2].out_mask = NULL;
+
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
-
- jtag_add_dr_scan(3, fields, -1, NULL);
-
+
free(fields[0].out_value);
free(fields[1].out_value);
free(fields[2].out_value);
-
- return ERROR_OK;
-}
-
-int etb_store_reg(reg_t *reg)
-{
- return etb_write_reg(reg, buf_get_u32(reg->value, 0, reg->size));
-}
-
-int etb_register_commands(struct command_context_s *cmd_ctx)
-{
- command_t *etb_cmd;
-
- etb_cmd = register_command(cmd_ctx, NULL, "etb", NULL, COMMAND_ANY, "Embedded Trace Buffer");
-
- register_command(cmd_ctx, etb_cmd, "config", handle_etb_config_command, COMMAND_CONFIG, NULL);
return ERROR_OK;
}
-int handle_etb_config_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etb_config_command)
{
- target_t *target;
- jtag_device_t *jtag_device;
- armv4_5_common_t *armv4_5;
- arm7_9_common_t *arm7_9;
-
- if (argc != 2)
+ struct target *target;
+ struct jtag_tap *tap;
+ struct arm *arm;
+
+ if (CMD_ARGC != 2)
{
- ERROR("incomplete 'etb config <target> <chain_pos>' command");
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
-
- target = get_target_by_num(strtoul(args[0], NULL, 0));
-
+
+ target = get_target(CMD_ARGV[0]);
+
if (!target)
{
- ERROR("target number '%s' not defined", args[0]);
- exit(-1);
+ LOG_ERROR("ETB: target '%s' not defined", CMD_ARGV[0]);
+ 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");
- return ERROR_OK;
+ command_print(cmd_ctx, "ETB: '%s' isn't an ARM", CMD_ARGV[0]);
+ return ERROR_FAIL;
}
-
- jtag_device = jtag_get_device(strtoul(args[1], NULL, 0));
-
- if (!jtag_device)
+
+ tap = jtag_tap_by_string(CMD_ARGV[1]);
+ if (tap == NULL)
{
- ERROR("jtag device number '%s' not defined", args[1]);
- exit(-1);
+ command_print(cmd_ctx, "ETB: TAP %s does not exist", CMD_ARGV[1]);
+ 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;
-
- etb->chain_pos = strtoul(args[1], NULL, 0);
- etb->cur_scan_chain = -1;
+ struct etb *etb = malloc(sizeof(struct etb));
+
+ arm->etm->capture_driver_priv = etb;
+
+ etb->tap = tap;
+ etb->cur_scan_chain = 0xffffffff;
etb->reg_cache = NULL;
etb->ram_width = 0;
etb->ram_depth = 0;
}
else
{
- ERROR("target has no ETM defined, ETB left unconfigured");
+ LOG_ERROR("ETM: target has no ETM defined, ETB left unconfigured");
+ return ERROR_FAIL;
}
return ERROR_OK;
}
-int etb_init(etm_context_t *etm_ctx)
+static int etb_register_commands(struct command_context *cmd_ctx)
{
- etb_t *etb = etm_ctx->capture_driver_priv;
-
+ struct command *etb_cmd = register_command(cmd_ctx, NULL, "etb",
+ NULL, COMMAND_ANY, "Embedded Trace Buffer");
+
+ register_command(cmd_ctx, etb_cmd, "config",
+ handle_etb_config_command, COMMAND_CONFIG,
+ NULL);
+
+ return ERROR_OK;
+}
+
+static int etb_init(struct etm_context *etm_ctx)
+{
+ struct etb *etb = etm_ctx->capture_driver_priv;
+
etb->etm_ctx = etm_ctx;
-
+
/* identify ETB RAM depth and width */
etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_DEPTH]);
etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_WIDTH]);
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);
-
+
return ERROR_OK;
}
-trace_status_t etb_status(etm_context_t *etm_ctx)
+static trace_status_t etb_status(struct etm_context *etm_ctx)
{
- etb_t *etb = etm_ctx->capture_driver_priv;
-
+ struct etb *etb = etm_ctx->capture_driver_priv;
+ struct reg *control = &etb->reg_cache->reg_list[ETB_CTRL];
+ struct reg *status = &etb->reg_cache->reg_list[ETB_STATUS];
+ trace_status_t retval = 0;
+ int etb_timeout = 100;
+
etb->etm_ctx = etm_ctx;
-
- /* if tracing is currently idle, return this information */
- if (etm_ctx->capture_status == TRACE_IDLE)
- {
- return etm_ctx->capture_status;
- }
- else if (etm_ctx->capture_status & TRACE_RUNNING)
- {
- reg_t *etb_status_reg = &etb->reg_cache->reg_list[ETB_STATUS];
- int etb_timeout = 100;
-
- /* trace is running, check the ETB status flags */
- etb_get_reg(etb_status_reg);
-
- /* check Full bit to identify an overflow */
- if (buf_get_u32(etb_status_reg->value, 0, 1) == 1)
- etm_ctx->capture_status |= TRACE_OVERFLOWED;
-
- /* check Triggered bit to identify trigger condition */
- if (buf_get_u32(etb_status_reg->value, 1, 1) == 1)
- etm_ctx->capture_status |= TRACE_TRIGGERED;
-
- /* check AcqComp to identify trace completion */
- if (buf_get_u32(etb_status_reg->value, 2, 1) == 1)
- {
- while (etb_timeout-- && (buf_get_u32(etb_status_reg->value, 3, 1) == 0))
- {
- /* wait for data formatter idle */
- etb_get_reg(etb_status_reg);
- }
-
- if (etb_timeout == 0)
- {
- ERROR("AcqComp set but DFEmpty won't go high, ETB status: 0x%x",
- buf_get_u32(etb_status_reg->value, 0, etb_status_reg->size));
- }
-
- if (!(etm_ctx->capture_status && TRACE_TRIGGERED))
- {
- ERROR("trace completed, but no trigger condition detected");
- }
-
- etm_ctx->capture_status &= ~TRACE_RUNNING;
- etm_ctx->capture_status |= TRACE_COMPLETED;
- }
+
+ /* read control and status registers */
+ etb_read_reg(control);
+ etb_read_reg(status);
+ jtag_execute_queue();
+
+ /* See if it's (still) active */
+ retval = buf_get_u32(control->value, 0, 1) ? TRACE_RUNNING : TRACE_IDLE;
+
+ /* check Full bit to identify wraparound/overflow */
+ if (buf_get_u32(status->value, 0, 1) == 1)
+ retval |= TRACE_OVERFLOWED;
+
+ /* check Triggered bit to identify trigger condition */
+ if (buf_get_u32(status->value, 1, 1) == 1)
+ retval |= TRACE_TRIGGERED;
+
+ /* check AcqComp to see if trigger counter dropped to zero */
+ if (buf_get_u32(status->value, 2, 1) == 1) {
+ /* wait for DFEmpty */
+ while (etb_timeout-- && buf_get_u32(status->value, 3, 1) == 0)
+ etb_get_reg(status);
+
+ if (etb_timeout == 0)
+ LOG_ERROR("ETB: DFEmpty won't go high, status 0x%02x",
+ (unsigned) buf_get_u32(status->value, 0, 4));
+
+ if (!(etm_ctx->capture_status & TRACE_TRIGGERED))
+ LOG_WARNING("ETB: trace complete without triggering?");
+
+ retval |= TRACE_COMPLETED;
}
-
- return etm_ctx->capture_status;
+
+ /* NOTE: using a trigger is optional; and at least ETB11 has a mode
+ * where it can ignore the trigger counter.
+ */
+
+ /* update recorded state */
+ etm_ctx->capture_status = retval;
+
+ return retval;
}
-int etb_read_trace(etm_context_t *etm_ctx)
+static int etb_read_trace(struct etm_context *etm_ctx)
{
- etb_t *etb = etm_ctx->capture_driver_priv;
+ struct etb *etb = etm_ctx->capture_driver_priv;
int first_frame = 0;
int num_frames = etb->ram_depth;
- u32 *trace_data = NULL;
+ uint32_t *trace_data = NULL;
int i, j;
-
+
etb_read_reg(&etb->reg_cache->reg_list[ETB_STATUS]);
etb_read_reg(&etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER]);
jtag_execute_queue();
-
+
/* check if we overflowed, and adjust first frame of the trace accordingly
* if we didn't overflow, read only up to the frame that would be written next,
* i.e. don't read invalid entries
{
num_frames = buf_get_u32(etb->reg_cache->reg_list[ETB_RAM_WRITE_POINTER].value, 0, 32);
}
-
+
etb_write_reg(&etb->reg_cache->reg_list[ETB_RAM_READ_POINTER], first_frame);
- /* read data into temporary array for unpacking */
- trace_data = malloc(sizeof(u32) * num_frames);
+ /* read data into temporary array for unpacking */
+ trace_data = malloc(sizeof(uint32_t) * num_frames);
etb_read_ram(etb, trace_data, num_frames);
if (etm_ctx->trace_depth > 0)
{
free(etm_ctx->trace_data);
}
-
+
if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_4BIT)
etm_ctx->trace_depth = num_frames * 3;
else if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_8BIT)
else
etm_ctx->trace_depth = num_frames;
- etm_ctx->trace_data = malloc(sizeof(etmv1_trace_data_t) * etm_ctx->trace_depth);
-
+ etm_ctx->trace_data = malloc(sizeof(struct etmv1_trace_data) * etm_ctx->trace_depth);
+
for (i = 0, j = 0; i < num_frames; i++)
{
if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_4BIT)
etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;
etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;
}
-
- /* trace word j+1 */
- etm_ctx->trace_data[j+1].pipestat = (trace_data[i] & 0x100) >> 8;
- etm_ctx->trace_data[j+1].packet = (trace_data[i] & 0x7800) >> 11;
- etm_ctx->trace_data[j+1].flags = 0;
+
+ /* trace word j + 1 */
+ etm_ctx->trace_data[j + 1].pipestat = (trace_data[i] & 0x100) >> 8;
+ etm_ctx->trace_data[j + 1].packet = (trace_data[i] & 0x7800) >> 11;
+ etm_ctx->trace_data[j + 1].flags = 0;
if ((trace_data[i] & 0x8000) >> 15)
{
- etm_ctx->trace_data[j+1].flags |= ETMV1_TRACESYNC_CYCLE;
+ etm_ctx->trace_data[j + 1].flags |= ETMV1_TRACESYNC_CYCLE;
}
- if (etm_ctx->trace_data[j+1].pipestat == STAT_TR)
+ if (etm_ctx->trace_data[j + 1].pipestat == STAT_TR)
{
- etm_ctx->trace_data[j+1].pipestat = etm_ctx->trace_data[j+1].packet & 0x7;
- etm_ctx->trace_data[j+1].flags |= ETMV1_TRIGGER_CYCLE;
+ etm_ctx->trace_data[j + 1].pipestat = etm_ctx->trace_data[j + 1].packet & 0x7;
+ etm_ctx->trace_data[j + 1].flags |= ETMV1_TRIGGER_CYCLE;
}
-
- /* trace word j+2 */
- etm_ctx->trace_data[j+2].pipestat = (trace_data[i] & 0x10000) >> 16;
- etm_ctx->trace_data[j+2].packet = (trace_data[i] & 0x780000) >> 19;
- etm_ctx->trace_data[j+2].flags = 0;
+
+ /* trace word j + 2 */
+ etm_ctx->trace_data[j + 2].pipestat = (trace_data[i] & 0x10000) >> 16;
+ etm_ctx->trace_data[j + 2].packet = (trace_data[i] & 0x780000) >> 19;
+ etm_ctx->trace_data[j + 2].flags = 0;
if ((trace_data[i] & 0x800000) >> 23)
{
- etm_ctx->trace_data[j+2].flags |= ETMV1_TRACESYNC_CYCLE;
+ etm_ctx->trace_data[j + 2].flags |= ETMV1_TRACESYNC_CYCLE;
}
- if (etm_ctx->trace_data[j+2].pipestat == STAT_TR)
+ if (etm_ctx->trace_data[j + 2].pipestat == STAT_TR)
{
- etm_ctx->trace_data[j+2].pipestat = etm_ctx->trace_data[j+2].packet & 0x7;
- etm_ctx->trace_data[j+2].flags |= ETMV1_TRIGGER_CYCLE;
+ etm_ctx->trace_data[j + 2].pipestat = etm_ctx->trace_data[j + 2].packet & 0x7;
+ etm_ctx->trace_data[j + 2].flags |= ETMV1_TRIGGER_CYCLE;
}
-
+
j += 3;
}
else if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) == ETM_PORT_8BIT)
etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;
}
- /* trace word j+1 */
- etm_ctx->trace_data[j+1].pipestat = (trace_data[i] & 0x7000) >> 12;
- etm_ctx->trace_data[j+1].packet = (trace_data[i] & 0x7f8000) >> 15;
- etm_ctx->trace_data[j+1].flags = 0;
+ /* trace word j + 1 */
+ etm_ctx->trace_data[j + 1].pipestat = (trace_data[i] & 0x7000) >> 12;
+ etm_ctx->trace_data[j + 1].packet = (trace_data[i] & 0x7f8000) >> 15;
+ etm_ctx->trace_data[j + 1].flags = 0;
if ((trace_data[i] & 0x800000) >> 23)
{
- etm_ctx->trace_data[j+1].flags |= ETMV1_TRACESYNC_CYCLE;
+ etm_ctx->trace_data[j + 1].flags |= ETMV1_TRACESYNC_CYCLE;
}
- if (etm_ctx->trace_data[j+1].pipestat == STAT_TR)
+ if (etm_ctx->trace_data[j + 1].pipestat == STAT_TR)
{
- etm_ctx->trace_data[j+1].pipestat = etm_ctx->trace_data[j+1].packet & 0x7;
- etm_ctx->trace_data[j+1].flags |= ETMV1_TRIGGER_CYCLE;
+ etm_ctx->trace_data[j + 1].pipestat = etm_ctx->trace_data[j + 1].packet & 0x7;
+ etm_ctx->trace_data[j + 1].flags |= ETMV1_TRIGGER_CYCLE;
}
-
+
j += 2;
}
else
etm_ctx->trace_data[j].pipestat = etm_ctx->trace_data[j].packet & 0x7;
etm_ctx->trace_data[j].flags |= ETMV1_TRIGGER_CYCLE;
}
-
+
j += 1;
}
}
-
+
free(trace_data);
-
+
return ERROR_OK;
}
-int etb_start_capture(etm_context_t *etm_ctx)
+static int etb_start_capture(struct etm_context *etm_ctx)
{
- etb_t *etb = etm_ctx->capture_driver_priv;
- u32 etb_ctrl_value = 0x1;
- u32 trigger_count;
+ struct etb *etb = etm_ctx->capture_driver_priv;
+ uint32_t etb_ctrl_value = 0x1;
+ uint32_t trigger_count;
if ((etm_ctx->portmode & ETM_PORT_MODE_MASK) == ETM_PORT_DEMUXED)
{
if ((etm_ctx->portmode & ETM_PORT_WIDTH_MASK) != ETM_PORT_8BIT)
{
- ERROR("ETB can't run in demultiplexed mode with a 4 or 16 bit port");
+ LOG_ERROR("ETB can't run in demultiplexed mode with a 4 or 16 bit port");
return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
}
etb_ctrl_value |= 0x2;
}
-
- if ((etm_ctx->portmode & ETM_PORT_MODE_MASK) == ETM_PORT_MUXED)
+
+ if ((etm_ctx->portmode & ETM_PORT_MODE_MASK) == ETM_PORT_MUXED) {
+ LOG_ERROR("ETB: can't run in multiplexed mode");
return ERROR_ETM_PORTMODE_NOT_SUPPORTED;
-
+ }
+
trigger_count = (etb->ram_depth * etm_ctx->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);
etb_write_reg(&etb->reg_cache->reg_list[ETB_CTRL], etb_ctrl_value);
jtag_execute_queue();
-
+
/* we're starting a new trace, initialize capture status */
etm_ctx->capture_status = TRACE_RUNNING;
-
- return ERROR_OK;
+
+ return ERROR_OK;
}
-int etb_stop_capture(etm_context_t *etm_ctx)
+static int etb_stop_capture(struct etm_context *etm_ctx)
{
- etb_t *etb = etm_ctx->capture_driver_priv;
- reg_t *etb_ctrl_reg = &etb->reg_cache->reg_list[ETB_CTRL];
+ struct etb *etb = etm_ctx->capture_driver_priv;
+ struct reg *etb_ctrl_reg = &etb->reg_cache->reg_list[ETB_CTRL];
etb_write_reg(etb_ctrl_reg, 0x0);
jtag_execute_queue();
-
- /* trace stopped, just clear running flag, but preserve others */
+
+ /* trace stopped, just clear running flag, but preserve others */
etm_ctx->capture_status &= ~TRACE_RUNNING;
-
+
return ERROR_OK;
}
-etm_capture_driver_t etb_capture_driver =
+struct etm_capture_driver etb_capture_driver =
{
.name = "etb",
.register_commands = etb_register_commands,
Code Review / openocd.git / blobdiff