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diff --git a/stdlib/hdl/oh_pll.v b/stdlib/rtl/oh_pll.v
similarity index 100%
rename from stdlib/hdl/oh_pll.v
rename to stdlib/rtl/oh_pll.v
diff --git a/stdlib/hdl/oh_pulse.v b/stdlib/rtl/oh_pulse.v
similarity index 100%
rename from stdlib/hdl/oh_pulse.v
rename to stdlib/rtl/oh_pulse.v
diff --git a/stdlib/hdl/oh_pulse2pulse.v b/stdlib/rtl/oh_pulse2pulse.v
similarity index 100%
rename from stdlib/hdl/oh_pulse2pulse.v
rename to stdlib/rtl/oh_pulse2pulse.v
diff --git a/stdlib/hdl/oh_pwr_buf.v b/stdlib/rtl/oh_pwr_buf.v
similarity index 100%
rename from stdlib/hdl/oh_pwr_buf.v
rename to stdlib/rtl/oh_pwr_buf.v
diff --git a/stdlib/hdl/oh_ram.v b/stdlib/rtl/oh_ram.v
similarity index 100%
rename from stdlib/hdl/oh_ram.v
rename to stdlib/rtl/oh_ram.v
diff --git a/stdlib/hdl/oh_random.v b/stdlib/rtl/oh_random.v
similarity index 100%
rename from stdlib/hdl/oh_random.v
rename to stdlib/rtl/oh_random.v
diff --git a/stdlib/hdl/oh_reg0.v b/stdlib/rtl/oh_reg0.v
similarity index 100%
rename from stdlib/hdl/oh_reg0.v
rename to stdlib/rtl/oh_reg0.v
diff --git a/stdlib/hdl/oh_reg1.v b/stdlib/rtl/oh_reg1.v
similarity index 100%
rename from stdlib/hdl/oh_reg1.v
rename to stdlib/rtl/oh_reg1.v
diff --git a/stdlib/hdl/oh_regfile.v b/stdlib/rtl/oh_regfile.v
similarity index 100%
rename from stdlib/hdl/oh_regfile.v
rename to stdlib/rtl/oh_regfile.v
diff --git a/stdlib/hdl/oh_rise2pulse.v b/stdlib/rtl/oh_rise2pulse.v
similarity index 100%
rename from stdlib/hdl/oh_rise2pulse.v
rename to stdlib/rtl/oh_rise2pulse.v
diff --git a/stdlib/hdl/oh_rsync.v b/stdlib/rtl/oh_rsync.v
similarity index 100%
rename from stdlib/hdl/oh_rsync.v
rename to stdlib/rtl/oh_rsync.v
diff --git a/stdlib/hdl/oh_sdffq.v b/stdlib/rtl/oh_sdffq.v
similarity index 100%
rename from stdlib/hdl/oh_sdffq.v
rename to stdlib/rtl/oh_sdffq.v
diff --git a/stdlib/hdl/oh_sdffqn.v b/stdlib/rtl/oh_sdffqn.v
similarity index 100%
rename from stdlib/hdl/oh_sdffqn.v
rename to stdlib/rtl/oh_sdffqn.v
diff --git a/stdlib/hdl/oh_sdffrq.v b/stdlib/rtl/oh_sdffrq.v
similarity index 100%
rename from stdlib/hdl/oh_sdffrq.v
rename to stdlib/rtl/oh_sdffrq.v
diff --git a/stdlib/hdl/oh_sdffrqn.v b/stdlib/rtl/oh_sdffrqn.v
similarity index 100%
rename from stdlib/hdl/oh_sdffrqn.v
rename to stdlib/rtl/oh_sdffrqn.v
diff --git a/stdlib/hdl/oh_sdffsq.v b/stdlib/rtl/oh_sdffsq.v
similarity index 100%
rename from stdlib/hdl/oh_sdffsq.v
rename to stdlib/rtl/oh_sdffsq.v
diff --git a/stdlib/hdl/oh_sdffsqn.v b/stdlib/rtl/oh_sdffsqn.v
similarity index 100%
rename from stdlib/hdl/oh_sdffsqn.v
rename to stdlib/rtl/oh_sdffsqn.v
diff --git a/stdlib/hdl/oh_ser2par.v b/stdlib/rtl/oh_ser2par.v
similarity index 100%
rename from stdlib/hdl/oh_ser2par.v
rename to stdlib/rtl/oh_ser2par.v
diff --git a/stdlib/hdl/oh_shift.v b/stdlib/rtl/oh_shift.v
similarity index 100%
rename from stdlib/hdl/oh_shift.v
rename to stdlib/rtl/oh_shift.v
diff --git a/stdlib/hdl/oh_standby.v b/stdlib/rtl/oh_standby.v
similarity index 100%
rename from stdlib/hdl/oh_standby.v
rename to stdlib/rtl/oh_standby.v
diff --git a/stdlib/hdl/oh_stimulus.v b/stdlib/rtl/oh_stimulus.v
similarity index 100%
rename from stdlib/hdl/oh_stimulus.v
rename to stdlib/rtl/oh_stimulus.v
diff --git a/stdlib/hdl/oh_stretcher.v b/stdlib/rtl/oh_stretcher.v
similarity index 100%
rename from stdlib/hdl/oh_stretcher.v
rename to stdlib/rtl/oh_stretcher.v
diff --git a/stdlib/hdl/oh_tristate.v b/stdlib/rtl/oh_tristate.v
similarity index 100%
rename from stdlib/hdl/oh_tristate.v
rename to stdlib/rtl/oh_tristate.v
diff --git a/stdlib/hdl/oh_xnor2.v b/stdlib/rtl/oh_xnor2.v
similarity index 100%
rename from stdlib/hdl/oh_xnor2.v
rename to stdlib/rtl/oh_xnor2.v
diff --git a/stdlib/hdl/oh_xnor3.v b/stdlib/rtl/oh_xnor3.v
similarity index 100%
rename from stdlib/hdl/oh_xnor3.v
rename to stdlib/rtl/oh_xnor3.v
diff --git a/stdlib/hdl/oh_xnor4.v b/stdlib/rtl/oh_xnor4.v
similarity index 100%
rename from stdlib/hdl/oh_xnor4.v
rename to stdlib/rtl/oh_xnor4.v
diff --git a/stdlib/hdl/oh_xor2.v b/stdlib/rtl/oh_xor2.v
similarity index 100%
rename from stdlib/hdl/oh_xor2.v
rename to stdlib/rtl/oh_xor2.v
diff --git a/stdlib/hdl/oh_xor3.v b/stdlib/rtl/oh_xor3.v
similarity index 100%
rename from stdlib/hdl/oh_xor3.v
rename to stdlib/rtl/oh_xor3.v
diff --git a/stdlib/hdl/oh_xor4.v b/stdlib/rtl/oh_xor4.v
similarity index 100%
rename from stdlib/hdl/oh_xor4.v
rename to stdlib/rtl/oh_xor4.v