Resolved! HardFault when changing from Secure to NonSecure mode on STM32L552/562 and STM32U5A5
Hi,When trying to run a simple TrustZone+UART project generated by STM32CubeMX, the chip raises a HardFault when switching to NonSecure mode. In the HardFault handler, the Cortex-M33 CFSR registrer is set to 0x400, indicating an instruction bus error...