ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

Assembler syntax
BKPT #
where:
See Standard assembler syntax fields on page A8-7. A BKPT instruction must be
unconditional.
Instruction Details
Specifies a value that is stored in the instruction, in the range 0-255 for a Thumb instruction
or 0-65535 for an ARM instruction. This value is ignored by the processor, but can be used
by a debugger to store more information about the breakpoint.
Operation
EncodingSpecificOperations();
BKPTInstrDebugEvent();
Exceptions
Prefetch Abort.
ARM DDI 0406B Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. A8-57