Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H7x7_CM4/HSEM/HSEM_RLR5#0x0
HSEM Read lock register
Semaphore ProcessID
Semaphore CoreID
Lock indication
https://github.com/cmsis-svd/cmsis-svd-data