Finding the prefix used for caravel subcells in the user GDS.
User prefix is kv_
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_00010016.gds
Cell caravel found at position 2454058754
Cell caravel ends at position 2466068606
Cell caravel checksum is 12009824
Info:  Structure caravel matches checksum 12009824
Info:  Structure caravel at 2454058754 to 2466068606 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 kv_user_id_textblock copyright_block kv_copyright_block open_source kv_open_source storage kv_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped kv_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming kv_user_id_programming simple_por kv_simple_por gpio_control_block kv_gpio_control_block mgmt_core kv_mgmt_core mgmt_protect kv_mgmt_protect chip_io kv_chip_io user_project_wrapper kv_user_project_wrapper ./gds/caravel_00010016_b.gds -debug -verbatim
Original data length = 2466069328
Replaced b'open_source\x00' with b'kv_open_source'
Replaced b'user_id_textblock\x00' with b'kv_user_id_textblock'
Replaced b'copyright_block\x00' with b'kv_copyright_block'
Replaced b'storage\x00' with b'kv_storage'
Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'kv_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
Replaced b'user_id_programming\x00' with b'kv_user_id_programming'
Replaced b'simple_por' with b'kv_simple_por\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'mgmt_core\x00' with b'kv_mgmt_core'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'mgmt_protect' with b'kv_mgmt_protect\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'kv_gpio_control_block\x00'
Replaced b'chip_io\x00' with b'kv_chip_io'
Replaced b'user_project_wrapper' with b'kv_user_project_wrapper\x00'
Finished.