TRCSTALLCTLR
CHECKREG(TRCSTALLCTLR, stall_ctrl);
state->trcstallctlr = etm4x_read32(csa, TRCSTALLCTLR);
etm4x_relaxed_write32(csa, state->trcstallctlr, TRCSTALLCTLR);
etm4x_relaxed_write32(csa, config->stall_ctrl, TRCSTALLCTLR);
CASE_##op((val), TRCSTALLCTLR) \