Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32H7x5_CM7/HSEM/HSEM_R31#0x0
HSEM register HSEM_R0 HSEM_R31
Semaphore ProcessID
Semaphore MasterID
Lock indication
https://github.com/cmsis-svd/cmsis-svd-data