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src/target/riscv: fix nuclei etrace trigger find and dump trace 

Change-Id: I325844a96b608cfff9ed977910f237d097883305
Signed-off-by: wangyanwen <wangyanwen@nucleisys.com>
This commit is contained in:
wangyanwen 2024-12-17 11:40:05 +08:00 committed by Huaqi Fang
parent 7259995361
commit e96358db0b
1 changed files with 11 additions and 7 deletions
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18
src/target/riscv/nuclei_riscv.c
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@ -495,13 +495,15 @@ COMMAND_HANDLER(handle_etrace_enable_command)
field_value(CSR_MCONTROL_U, 1) |
field_value(CSR_MCONTROL_EXECUTE, 1);
RISCV_INFO(r);
if (riscv_enumerate_triggers(target_real) != ERROR_OK)
return ERROR_FAIL;
if (target_real->etrace_trigger_index == 0xFFFFFFFF) {
if (find_next_free_trigger(target_real, CSR_TDATA1_TYPE_MCONTROL, false,
&target_real->etrace_trigger_index) != ERROR_OK) {
LOG_ERROR("No available trigger could be reserved for etrace usage.\n");
return ERROR_FAIL;
for (unsigned int i = 0; i < r->trigger_count; i++) {
if (r->trigger_unique_id[i] != -1)
LOG_ERROR("Index=%d trigger in use could't be reserved for etrace usage.\n", i);
target_real->etrace_trigger_index = i;
r->reserved_triggers[target_real->etrace_trigger_index] = true;
}
r->reserved_triggers[target_real->etrace_trigger_index] = true;
}
tselect = target_real->etrace_trigger_index;
if (riscv_reg_set(target_real, GDB_REGNO_TSELECT, tselect) != ERROR_OK)
@ -537,8 +539,10 @@ COMMAND_HANDLER(handle_etrace_disable_command)
field_value(CSR_MCONTROL_U, 1) |
field_value(CSR_MCONTROL_EXECUTE, 1);
RISCV_INFO(r);
if (riscv_enumerate_triggers(target_real) != ERROR_OK)
return ERROR_FAIL;
if (target_real->etrace_trigger_index == 0xFFFFFFFF)
return ERROR_OK;
return ERROR_FAIL;
tselect = target_real->etrace_trigger_index;
if (riscv_reg_set(target_real, GDB_REGNO_TSELECT, tselect) != ERROR_OK)
return ERROR_FAIL;
@ -655,7 +659,7 @@ COMMAND_HANDLER(handle_etrace_dump_command)
duration_elapsed(&bench), duration_kbps(&bench, filesize));
}
retval = ERROR_OK;
goto ok;
fail:
retval = ERROR_FAIL;
ok: