Changes

Note that if a thread that wasn't faulting calls svcReturnFromException, it signals an "invalid syscall" exception

Note that if a thread that wasn't faulting calls svcReturnFromException, it signals an "invalid syscall" exception

Note that [[SMC|IsDebugMode]] is not used during exception-handling, except for enabling printing a message to UART. This UART code causes a system-hang on retail (likely due to a loop that doesn't exit).

Note that [[SMC|IsDebugMode]] is not used during exception-handling, except for enabling printing a message to UART-A. This UART code causes a system-hang on retail (likely due to a loop that doesn't exit).