Finding the prefix used for caravel subcells in the user GDS.
User prefix is 0r_
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_00010013.gds
Cell caravel found at position 2472617536
Cell caravel ends at position 2484627388
Cell caravel checksum is 12009824
Info:  Structure caravel matches checksum 12009824
Info:  Structure caravel at 2472617536 to 2484627388 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 0r_user_id_textblock copyright_block 0r_copyright_block open_source 0r_open_source storage 0r_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped 0r_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming 0r_user_id_programming simple_por 0r_simple_por gpio_control_block 0r_gpio_control_block mgmt_core 0r_mgmt_core mgmt_protect 0r_mgmt_protect chip_io 0r_chip_io user_project_wrapper 0r_user_project_wrapper ./gds/caravel_00010013_b.gds -debug -verbatim
Original data length = 2484628110
Replaced b'open_source\x00' with b'0r_open_source'
Replaced b'user_id_textblock\x00' with b'0r_user_id_textblock'
Replaced b'copyright_block\x00' with b'0r_copyright_block'
Replaced b'storage\x00' with b'0r_storage'
Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'0r_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
Replaced b'user_id_programming\x00' with b'0r_user_id_programming'
Replaced b'simple_por' with b'0r_simple_por\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'mgmt_core\x00' with b'0r_mgmt_core'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'mgmt_protect' with b'0r_mgmt_protect\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'0r_gpio_control_block\x00'
Replaced b'chip_io\x00' with b'0r_chip_io'
Replaced b'user_project_wrapper' with b'0r_user_project_wrapper\x00'
Finished.