u-boot/doc/usage/exception.rst
Heinrich Schuchardt 25be4d336f doc: exception command
Create man-page for exception command.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-27 12:52:57 +01:00

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exception command
=================
Synopsis
--------
::
exception <type>
Description
-----------
The exception command is used to test the handling of exceptions like undefined
instructions, segmentation faults or alignment faults.
type
type of exception to be generated. The available types are architecture
dependent. Use 'help exception' to determine which are available.
**ARM:**
breakpoint
prefetch abort
unaligned
data abort
undefined
undefined instruction
**RISC-V:**
unaligned
load address misaligned
undefined
undefined instruction
**Sandbox:**
sigsegv
illegal memory access
undefined
undefined instruction
**x86:**
undefined
undefined instruction
Examples
--------
::
=> exception undefined
Illegal instruction
pc = 0x56076dd1a0f9, pc_reloc = 0x540f9
resetting ...
Return value
------------
The return value $? is always set to 0 (true).