#include "config.h"
#endif
-#include "etm.h"
+#include "armv4_5.h"
#include "etb.h"
#include "image.h"
-#include "arm7_9_common.h"
#include "arm_disassembler.h"
* provide definitions for some previously-unused bits.
*/
-/* basic registers that are always there given the right ETM version */
+/* core registers used to version/configure the ETM */
static const struct etm_reg_info etm_core[] = {
- /* NOTE: we "know" ETM_CONFIG is listed first */
+ /* NOTE: we "know" the order here ... */
{ ETM_CONFIG, 32, RO, 0x10, "ETM_config", },
+ { ETM_ID, 32, RO, 0x20, "ETM_id", },
+};
+/* basic registers that are always there given the right ETM version */
+static const struct etm_reg_info etm_basic[] = {
/* ETM Trace Registers */
{ ETM_CTRL, 32, RW, 0x10, "ETM_ctrl", },
{ ETM_TRIG_EVENT, 17, WO, 0x10, "ETM_trig_event", },
/* REVISIT exclude VIEWDATA_CTRL2 when it's not there */
{ 0x78, 12, WO, 0x20, "ETM_sync_freq", },
- { 0x79, 32, RO, 0x20, "ETM_id", },
+ { 0x7a, 22, RO, 0x31, "ETM_config_code_ext", },
+ { 0x7b, 32, WO, 0x31, "ETM_ext_input_select", },
+ { 0x7c, 32, WO, 0x34, "ETM_trace_start_stop", },
+ { 0x7d, 8, WO, 0x34, "ETM_behavior_control", },
};
static const struct etm_reg_info etm_fifofull[] = {
bcd_vers = 0x20;
LOG_WARNING("ETMv2+ support is incomplete");
- /* REVISIT read ID register, distinguish ETMv3.3 etc;
+ /* REVISIT more registers may exist; they may now be
+ * readable; more register bits have defined meanings;
* don't presume trace start/stop support is present;
* and include any context ID comparator registers.
*/
+ etm_reg_add(0x20, jtag_info, reg_cache, arch_info,
+ etm_core + 1, 1);
+ etm_get_reg(reg_list + 1);
+ etm_ctx->id = buf_get_u32(
+ (void *)&arch_info[1].value, 0, 32);
+ LOG_DEBUG("ETM ID: %08x", (unsigned) etm_ctx->id);
+ bcd_vers = 0x10 + (((etm_ctx->id) >> 4) & 0xff);
+
} else {
switch (config >> 28) {
case 7:
LOG_INFO("ETM v%d.%d", bcd_vers >> 4, bcd_vers & 0xf);
etm_reg_add(bcd_vers, jtag_info, reg_cache, arch_info,
- etm_core + 1, ARRAY_SIZE(etm_core) - 1);
+ etm_basic, ARRAY_SIZE(etm_basic));
/* address and data comparators; counters; outputs */
etm_reg_add(bcd_vers, jtag_info, reg_cache, arch_info,
etb->reg_cache = reg_cache->next;
}
-
+ etm_ctx->reg_cache = reg_cache;
return reg_cache;
}
/* clear the ETM powerdown bit (0) */
etm_ctrl_value &= ~0x1;
- /* configure port width (6:4), mode (17:16) and clocking (13) */
- etm_ctrl_value = (etm_ctrl_value &
- ~ETM_PORT_WIDTH_MASK & ~ETM_PORT_MODE_MASK & ~ETM_PORT_CLOCK_MASK)
+ /* configure port width (21,6:4), mode (13,17:16) and
+ * for older modules clocking (13)
+ */
+ etm_ctrl_value = (etm_ctrl_value
+ & ~ETM_PORT_WIDTH_MASK
+ & ~ETM_PORT_MODE_MASK
+ & ~ETM_PORT_CLOCK_MASK)
| etm_ctx->portmode;
buf_set_u32(etm_ctrl_reg->value, 0, etm_ctrl_reg->size, etm_ctrl_value);
if ((retval = jtag_execute_queue()) != ERROR_OK)
return retval;
+ /* REVISIT for ETMv3.0 and later, read ETM_sys_config to
+ * verify that those width and mode settings are OK ...
+ */
+
if ((retval = etm_ctx->capture_driver->init(etm_ctx)) != ERROR_OK)
{
LOG_ERROR("ETM capture driver initialization failed");
return ERROR_OK;
}
-static int handle_etm_tracemode_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_tracemode_command)
{
target_t *target = get_current_target(cmd_ctx);
struct arm *arm = target_to_arm(target);
return ERROR_OK;
}
-static int handle_etm_config_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_config_command)
{
target_t *target;
struct arm *arm;
return ERROR_FAIL;
}
+ /* FIXME for ETMv3.0 and above -- and we don't yet know what ETM
+ * version we'll be using!! -- so we can't know how to validate
+ * params yet. "etm config" should likely be *AFTER* hookup...
+ *
+ * - Many more widths might be supported ... and we can easily
+ * check whether our setting "took".
+ *
+ * - The "clock" and "mode" bits are interpreted differently.
+ * See ARM IHI 0014O table 2-17 for the old behavior, and
+ * table 2-18 for the new. With ETB it's best to specify
+ * "normal full" ...
+ */
uint8_t port_width;
COMMAND_PARSE_NUMBER(u8, args[1], port_width);
switch (port_width)
{
+ /* before ETMv3.0 */
case 4:
portmode |= ETM_PORT_4BIT;
break;
case 16:
portmode |= ETM_PORT_16BIT;
break;
+ /* ETMv3.0 and later*/
+ case 24:
+ portmode |= ETM_PORT_24BIT;
+ break;
+ case 32:
+ portmode |= ETM_PORT_32BIT;
+ break;
+ case 48:
+ portmode |= ETM_PORT_48BIT;
+ break;
+ case 64:
+ portmode |= ETM_PORT_64BIT;
+ break;
+ case 1:
+ portmode |= ETM_PORT_1BIT;
+ break;
+ case 2:
+ portmode |= ETM_PORT_2BIT;
+ break;
default:
- command_print(cmd_ctx, "unsupported ETM port width '%s', must be 4, 8 or 16", args[1]);
+ command_print(cmd_ctx,
+ "unsupported ETM port width '%s'", args[1]);
return ERROR_FAIL;
}
return etm_register_user_commands(cmd_ctx);
}
-static int handle_etm_info_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_info_command)
{
target_t *target;
struct arm *arm;
etm_context_t *etm;
reg_t *etm_sys_config_reg;
int max_port_size;
+ uint32_t config;
target = get_current_target(cmd_ctx);
arm = target_to_arm(target);
command_print(cmd_ctx, "protocol version: %i",
(int) (etm->config >> 28) & 0x07);
else {
+ command_print(cmd_ctx,
+ "coprocessor and memory access %ssupported",
+ (etm->config & (1 << 26)) ? "" : "not ");
command_print(cmd_ctx, "trace start/stop %spresent",
(etm->config & (1 << 26)) ? "" : "not ");
command_print(cmd_ctx, "number of context comparators: %i",
return ERROR_OK;
etm_get_reg(etm_sys_config_reg);
+ config = buf_get_u32(etm_sys_config_reg->value, 0, 32);
+
+ LOG_DEBUG("ETM SYS CONFIG %08x", (unsigned) config);
- switch (buf_get_u32(etm_sys_config_reg->value, 0, 3))
+ max_port_size = config & 0x7;
+ if (etm->bcd_vers >= 0x30)
+ max_port_size |= (config >> 6) & 0x08;
+ switch (max_port_size)
{
+ /* before ETMv3.0 */
case 0:
max_port_size = 4;
break;
case 2:
max_port_size = 16;
break;
+ /* ETMv3.0 and later*/
+ case 3:
+ max_port_size = 24;
+ break;
+ case 4:
+ max_port_size = 32;
+ break;
+ case 5:
+ max_port_size = 48;
+ break;
+ case 6:
+ max_port_size = 64;
+ break;
+ case 8:
+ max_port_size = 1;
+ break;
+ case 9:
+ max_port_size = 2;
+ break;
default:
LOG_ERROR("Illegal max_port_size");
return ERROR_FAIL;
}
command_print(cmd_ctx, "max. port size: %i", max_port_size);
- command_print(cmd_ctx, "half-rate clocking %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 3, 1) == 1) ? "" : "not ");
- command_print(cmd_ctx, "full-rate clocking %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 4, 1) == 1) ? "" : "not ");
- command_print(cmd_ctx, "normal trace format %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 5, 1) == 1) ? "" : "not ");
- command_print(cmd_ctx, "multiplex trace format %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 6, 1) == 1) ? "" : "not ");
- command_print(cmd_ctx, "demultiplex trace format %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 7, 1) == 1) ? "" : "not ");
+ if (etm->bcd_vers < 0x30) {
+ command_print(cmd_ctx, "half-rate clocking %ssupported",
+ (config & (1 << 3)) ? "" : "not ");
+ command_print(cmd_ctx, "full-rate clocking %ssupported",
+ (config & (1 << 4)) ? "" : "not ");
+ command_print(cmd_ctx, "normal trace format %ssupported",
+ (config & (1 << 5)) ? "" : "not ");
+ command_print(cmd_ctx, "multiplex trace format %ssupported",
+ (config & (1 << 6)) ? "" : "not ");
+ command_print(cmd_ctx, "demultiplex trace format %ssupported",
+ (config & (1 << 7)) ? "" : "not ");
+ } else {
+ /* REVISIT show which size and format are selected ... */
+ command_print(cmd_ctx, "current port size %ssupported",
+ (config & (1 << 10)) ? "" : "not ");
+ command_print(cmd_ctx, "current trace format %ssupported",
+ (config & (1 << 11)) ? "" : "not ");
+ }
+ if (etm->bcd_vers >= 0x21)
+ command_print(cmd_ctx, "fetch comparisons %ssupported",
+ (config & (1 << 17)) ? "not " : "");
command_print(cmd_ctx, "FIFO full %ssupported",
- (buf_get_u32(etm_sys_config_reg->value, 8, 1) == 1) ? "" : "not ");
+ (config & (1 << 8)) ? "" : "not ");
return ERROR_OK;
}
-static int handle_etm_status_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_status_command)
{
target_t *target;
struct arm *arm;
return ERROR_OK;
}
-static int handle_etm_image_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_image_command)
{
target_t *target;
struct arm *arm;
return ERROR_OK;
}
-static int handle_etm_dump_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_dump_command)
{
fileio_t file;
target_t *target;
return ERROR_OK;
}
-static int handle_etm_load_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_load_command)
{
fileio_t file;
target_t *target;
return ERROR_OK;
}
-static int handle_etm_trigger_percent_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_trigger_percent_command)
{
target_t *target;
struct arm *arm;
return ERROR_OK;
}
-static int handle_etm_start_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_start_command)
{
target_t *target;
struct arm *arm;
return ERROR_OK;
}
-static int handle_etm_stop_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_stop_command)
{
target_t *target;
struct arm *arm;
return ERROR_OK;
}
-static int handle_etm_analyze_command(struct command_context_s *cmd_ctx,
- char *cmd, char **args, int argc)
+COMMAND_HANDLER(handle_etm_analyze_command)
{
target_t *target;
struct arm *arm;
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