RTEMS 4.7.0 On-Line Library

ARM Specific Information Default Fatal Error Handler Operations

RTEMS CPU Architecture Supplement

1.5.1: Default Fatal Error Handler Operations

The default fatal error handler which is invoked by the rtems_fatal_error_occurred directive when there is no user handler configured or the user handler returns control to RTEMS. The default fatal error handler performs the following actions:

disables processor interrupts,
places the error code in r0, and
executes an infinite loop (while(0); to simulate a halt processor instruction.

RTEMS CPU Architecture Supplement