* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <target/target.h>
#include <target/breakpoints.h>
#include <target/target_type.h>
+#include <helper/time_support.h>
#include <helper/fileio.h>
#include "or1k_tap.h"
#include "or1k.h"
static struct or1k_core_reg *or1k_core_reg_list_arch_info;
-struct or1k_core_reg_init or1k_init_reg_list[] = {
+static const struct or1k_core_reg_init or1k_init_reg_list[] = {
{"r0" , GROUP0 + 1024, "org.gnu.gdb.or1k.group0", NULL},
{"r1" , GROUP0 + 1025, "org.gnu.gdb.or1k.group0", NULL},
{"r2" , GROUP0 + 1026, "org.gnu.gdb.or1k.group0", NULL},
memcpy(breakpoint->orig_instr, &data, breakpoint->length);
/* Sub in the OR1K trap instruction */
- uint32_t or1k_trap_insn = OR1K_TRAP_INSTR;
+ uint8_t or1k_trap_insn[4];
+ target_buffer_set_u32(target, or1k_trap_insn, OR1K_TRAP_INSTR);
retval = du_core->or1k_jtag_write_memory(&or1k->jtag,
breakpoint->address,
4,
1,
- (uint8_t *)&or1k_trap_insn);
+ or1k_trap_insn);
if (retval != ERROR_OK) {
LOG_ERROR("Error while writing OR1K_TRAP_INSTR at 0x%08" PRIx32,
return ERROR_TARGET_UNALIGNED_ACCESS;
}
- /* or1k_read_memory with size 4/2 returns uint32_t/uint16_t in host */
- /* endianness, but byte array should represent target endianness */
-
- void *t = NULL;
- if (size > 1) {
- t = malloc(count * size * sizeof(uint8_t));
- if (t == NULL) {
- LOG_ERROR("Out of memory");
- return ERROR_FAIL;
- }
- } else
- t = buffer;
-
-
- int retval = du_core->or1k_jtag_read_memory(&or1k->jtag, address,
- size, count, t);
-
- if (retval == ERROR_OK) {
- switch (size) {
- case 4:
- target_buffer_set_u32_array(target, buffer, count, t);
- break;
- case 2:
- target_buffer_set_u16_array(target, buffer, count, t);
- break;
- }
- }
-
- if ((size > 1) && (t != NULL))
- free(t);
-
- return ERROR_OK;
+ return du_core->or1k_jtag_read_memory(&or1k->jtag, address, size, count, buffer);
}
static int or1k_write_memory(struct target *target, uint32_t address,
return ERROR_TARGET_UNALIGNED_ACCESS;
}
- /* or1k_write_memory with size 4/2 requires uint32_t/uint16_t in host */
- /* endianness, but byte array represents target endianness */
-
- void *t = NULL;
- if (size > 1) {
- t = malloc(count * size * sizeof(uint8_t));
- if (t == NULL) {
- LOG_ERROR("Out of memory");
- return ERROR_FAIL;
- }
-
- switch (size) {
- case 4:
- target_buffer_get_u32_array(target, buffer, count, (uint32_t *)t);
- break;
- case 2:
- target_buffer_get_u16_array(target, buffer, count, (uint16_t *)t);
- break;
- }
- buffer = t;
- }
-
- int retval = du_core->or1k_jtag_write_memory(&or1k->jtag, address, size, count, buffer);
-
- if (t != NULL)
- free(t);
-
- if (retval != ERROR_OK)
- return retval;
-
- return ERROR_OK;
+ return du_core->or1k_jtag_write_memory(&or1k->jtag, address, size, count, buffer);
}
static int or1k_init_target(struct command_context *cmd_ctx,
or1k->jtag.tap = target->tap;
or1k->jtag.or1k_jtag_inited = 0;
or1k->jtag.or1k_jtag_module_selected = -1;
+ or1k->jtag.target = target;
or1k_build_reg_cache(target);
return ERROR_FAIL;
}
+static int or1k_profiling(struct target *target, uint32_t *samples,
+ uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
+{
+ struct timeval timeout, now;
+ struct or1k_common *or1k = target_to_or1k(target);
+ struct or1k_du *du_core = or1k_to_du(or1k);
+ int retval = ERROR_OK;
+
+ gettimeofday(&timeout, NULL);
+ timeval_add_time(&timeout, seconds, 0);
+
+ LOG_INFO("Starting or1k profiling. Sampling npc as fast as we can...");
+
+ /* Make sure the target is running */
+ target_poll(target);
+ if (target->state == TARGET_HALTED)
+ retval = target_resume(target, 1, 0, 0, 0);
+
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error while resuming target");
+ return retval;
+ }
+
+ uint32_t sample_count = 0;
+
+ for (;;) {
+ uint32_t reg_value;
+ retval = du_core->or1k_jtag_read_cpu(&or1k->jtag, GROUP0 + 16 /* NPC */, 1, ®_value);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Error while reading NPC");
+ return retval;
+ }
+
+ samples[sample_count++] = reg_value;
+
+ gettimeofday(&now, NULL);
+ if ((sample_count >= max_num_samples) ||
+ ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))) {
+ LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count);
+ break;
+ }
+ }
+
+ *num_samples = sample_count;
+ return retval;
+}
+
COMMAND_HANDLER(or1k_tap_select_command_handler)
{
struct target *target = get_current_target(CMD_CTX);
.examine = or1k_examine,
.get_gdb_fileio_info = or1k_get_gdb_fileio_info,
+
+ .profiling = or1k_profiling,
};
Code Review / openocd.git / blobdiff