Excpt (Force Exception) - Analog Devices ADSP-BF53x Blackfin Reference

Instruction Overview

EXCPT (Force Exception)

General Form
EXCPT
Syntax
EXCPT uimm4 ;
Syntax Terminology
: 4-bit unsigned field, with the range of 0 through 15
uimm4
Instruction Length
In the syntax, comment (a) identifies 16-bit instruction length.
Functional Description
The Force Exception instruction forces an exception with code
When the
EXCPT
tion handler that the user provides.
Application-level code uses the Force Exception instruction for operating
system calls. The instruction does not set the
register.
Flags Affected
None
Required Mode
User & Supervisor
16-20 ADSP-BF53x/BF56x Blackfin Processor Programming Reference
/* (a) */
instruction is issued, the sequencer vectors to the excep-
uimm4
bit (bit 3) of the
EVSW
.
ILAT