Finding the prefix used for caravel subcells in the user GDS.
User prefix is 07_
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_0001001b.gds
Cell caravel found at position 2423569274
Cell caravel ends at position 2435579126
Cell caravel checksum is 12009824
Info:  Structure caravel matches checksum 12009824
Info:  Structure caravel at 2423569274 to 2435579126 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 07_user_id_textblock copyright_block 07_copyright_block open_source 07_open_source storage 07_storage sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped 07_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped user_id_programming 07_user_id_programming simple_por 07_simple_por gpio_control_block 07_gpio_control_block mgmt_core 07_mgmt_core mgmt_protect 07_mgmt_protect chip_io 07_chip_io user_project_wrapper 07_user_project_wrapper ./gds/caravel_0001001b_b.gds -debug -verbatim
Original data length = 2435579848
Replaced b'open_source\x00' with b'07_open_source'
Replaced b'user_id_textblock\x00' with b'07_user_id_textblock'
Replaced b'copyright_block\x00' with b'07_copyright_block'
Replaced b'storage\x00' with b'07_storage'
Replaced b'sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped' with b'07_sky130_fd_sc_hvl__lsbufhv2lv_1_wrapped\x00'
Replaced b'user_id_programming\x00' with b'07_user_id_programming'
Replaced b'simple_por' with b'07_simple_por\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'mgmt_core\x00' with b'07_mgmt_core'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'mgmt_protect' with b'07_mgmt_protect\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'gpio_control_block' with b'07_gpio_control_block\x00'
Replaced b'chip_io\x00' with b'07_chip_io'
Replaced b'user_project_wrapper' with b'07_user_project_wrapper\x00'
Finished.