<s>
Common	B-Application
Firmware	I-Application
Environment	I-Application
(	O
CFE	O
)	O
,	O
sometimes	O
pronounced	O
as	O
'	O
cafe	O
 '	O
,	O
is	O
a	O
firmware	B-Application
interface	O
and	O
bootloader	B-Application
developed	O
by	O
Broadcom	O
for	O
32-bit	O
and	O
64-bit	O
system-on-a-chip	B-Architecture
systems	O
.	O
</s>
<s>
It	O
is	O
intended	O
to	O
be	O
a	O
flexible	O
toolkit	O
of	O
CPU	O
initialization	O
and	O
bootstrap	O
code	O
for	O
use	O
on	O
embedded	O
processors	O
(	O
typically	O
running	O
on	O
MIPS32/64	B-Device
instruction	I-Device
set	I-Device
CPUs	B-General_Concept
found	O
in	O
Broadcom	O
SoCs	O
)	O
.	O
</s>
<s>
It	O
is	O
roughly	O
analogous	O
to	O
the	O
BIOS	B-Operating_System
on	O
the	O
IBM	O
PC	O
platform	O
.	O
</s>
<s>
Common	O
embedded	O
system	O
alternatives	O
include	O
Das	B-Language
U-Boot	I-Language
.	O
</s>
<s>
Its	O
main	O
responsibility	O
is	O
to	O
initialize	O
CPUs	B-General_Concept
,	O
caches	B-General_Concept
,	O
memory	B-General_Concept
controllers	I-General_Concept
,	O
and	O
peripherals	O
required	O
early	O
on	O
in	O
the	O
power	O
on	O
stage	O
.	O
</s>
<s>
Just	O
like	O
in	O
other	O
boot	B-Application
loaders	I-Application
environment	O
,	O
variables	O
are	O
commonly	O
configured	O
in	O
persistent	O
storage	O
to	O
create	O
auto	O
boot	O
options	O
.	O
</s>
<s>
CFE	O
is	O
used	O
in	O
at	O
least	O
some	O
of	O
the	O
following	O
wireless	B-Device
router	I-Device
platforms	O
:	O
</s>
