Finding the prefix used for caravel subcells in the user GDS.
User prefix is wj_
Replacing cell caravel in the user GDS file.
Reading GDS file for alternate cell caravel
Cell caravel found at position 235669746
Cell caravel ends at position 247680056
Reading GDS file for original source ./gds/caravel_0001001e.gds
Cell caravel found at position 2813757402
Cell caravel ends at position 2825767254
Cell caravel checksum is 12009824
Info:  Structure caravel matches checksum 12009824
Info:  Structure caravel at 2813757402 to 2825767254 will be replaced by alternate data.
Prefixing caravel subcells in the user GDS
Running:  /usr/share/pdk/bin/change_gds_string.py user_id_textblock wj_user_id_textblock copyright_block wj_copyright_block open_source wj_open_source storage wj_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped wj_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming wj_user_id_programming simple_por wj_simple_por gpio_control_block wj_gpio_control_block mgmt_core wj_mgmt_core mgmt_protect wj_mgmt_protect chip_io wj_chip_io user_project_wrapper wj_user_project_wrapper ./gds/caravel_0001001e_b.gds -debug -verbatim
Original data length = 2825767976
Replaced b'open_source\x00' with b'wj_open_source'
Replaced b'user_id_textblock\x00' with b'wj_user_id_textblock'
Replaced b'copyright_block\x00' with b'wj_copyright_block'
Replaced b'storage\x00' with b'wj_storage'
Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'wj_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
Replaced b'user_id_programming\x00' with b'wj_user_id_programming'
Replaced b'simple_por' with b'wj_simple_por\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'mgmt_core\x00' with b'wj_mgmt_core'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'mgmt_protect' with b'wj_mgmt_protect\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'wj_gpio_control_block\x00'
Replaced b'chip_io\x00' with b'wj_chip_io'
Replaced b'user_project_wrapper' with b'wj_user_project_wrapper\x00'
Finished.