<s>
T-Kernel	B-Operating_System
is	O
an	O
open	B-Application
source	I-Application
real-time	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
(	O
RTOS	B-Operating_System
)	O
designed	O
for	O
32-bit	O
microcontrollers	B-Architecture
.	O
</s>
<s>
It	O
is	O
standardized	O
by	O
the	O
T-Engine	O
Forum	O
,	O
which	O
distributes	O
it	O
under	O
a	O
T-License	B-License
agreement	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
corresponding	O
Micro	B-Device
T-Kernel	I-Device
(	O
μT-Kernel	O
)	O
implementation	O
designed	O
for	O
embedded	B-Architecture
systems	I-Architecture
with	O
16-bit	B-Device
or	O
8-bit	O
microcontrollers	B-Architecture
.	O
</s>
<s>
In	O
1984	O
professor	O
Ken	B-Algorithm
Sakamura	I-Algorithm
started	O
The	O
Real-time	B-Operating_System
Operating	I-Operating_System
system	I-Operating_System
Nucleus	O
(	O
TRON	O
project	O
)	O
at	O
the	O
University	O
of	O
Tokyo	O
,	O
with	O
the	O
goal	O
of	O
designing	O
an	O
open	B-Operating_System
real-time	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
(	O
RTOS	B-Operating_System
)	O
kernel	O
.	O
</s>
<s>
T-Kernel	B-Operating_System
is	O
the	O
name	O
of	O
the	O
specification	O
and	O
at	O
the	O
same	O
time	O
a	O
single	O
implementation	O
based	O
on	O
the	O
authorized	O
source	O
code	O
available	O
from	O
the	O
T-Engine	O
Forum	O
for	O
free	O
under	O
T-License	B-License
.	O
</s>
<s>
This	O
personal	B-Device
computer	I-Device
had	O
an	O
Intel	B-General_Concept
80286	I-General_Concept
chip	O
of	O
8MHz	O
and	O
only	O
2	O
MB	O
of	O
memory	O
,	O
but	O
it	O
could	O
display	O
moving	O
video	O
.	O
</s>
<s>
Also	O
,	O
it	O
had	O
a	O
dual-booting	B-Operating_System
system	O
that	O
could	O
run	O
both	O
the	O
TRON	O
OS	O
and	O
DOS	B-Device
.	O
</s>
<s>
Embedded	B-Architecture
system	I-Architecture
developers	O
claim	O
that	O
ITRON	O
is	O
the	O
number	O
one	O
OS	O
for	O
embedded	O
chips	O
in	O
both	O
Japan	O
and	O
the	O
United	O
States	O
.	O
</s>
<s>
To	O
make	O
it	O
easy	O
to	O
distribute	O
middleware	B-General_Concept
,	O
T-Kernel	B-Operating_System
has	O
separate	O
specification	O
for	O
subsystem	O
and	O
device	B-Application
driver	I-Application
which	O
will	O
be	O
suitable	O
for	O
different	O
types	O
of	O
middleware	B-General_Concept
APIs	O
.	O
</s>
<s>
A	O
real-time	B-Operating_System
OS	I-Operating_System
appropriate	O
for	O
individual	O
application	O
can	O
be	O
created	O
by	O
combining	O
the	O
middleware	B-General_Concept
called	O
T-Kernel	B-Operating_System
Extension	O
with	O
the	O
T-Kernel	B-Operating_System
.	O
</s>
<s>
T-Monitor	O
initializes	O
computer	B-Architecture
hardware	I-Architecture
and	O
handles	O
the	O
interrupt	B-Application
set	O
up	O
at	O
the	O
start	O
.	O
</s>
<s>
T-Monitor	O
lessens	O
hardware-dependency	O
of	O
T-Kernel	B-Operating_System
,	O
and	O
improves	O
the	O
application	O
portability	O
.	O
</s>
<s>
T-Kernel	B-Operating_System
consists	O
of	O
the	O
following	O
three	O
components	O
from	O
the	O
viewpoint	O
of	O
function	O
.	O
</s>
<s>
This	O
offers	O
the	O
basic	O
functions	O
as	O
real-time	B-Operating_System
Operating	I-Operating_System
System	I-Operating_System
.	O
</s>
<s>
This	O
offers	O
the	O
functions	O
including	O
system	O
memory	B-General_Concept
management	I-General_Concept
function	O
and	O
address	O
space	O
management	O
function	O
in	O
order	O
to	O
manage	O
middleware	B-General_Concept
such	O
as	O
device	B-Application
drivers	I-Application
and	O
subsystems	O
.	O
</s>
<s>
This	O
offers	O
the	O
functions	O
for	O
debuggers	B-Application
to	O
be	O
used	O
in	O
development	O
tools	O
.	O
</s>
<s>
eBinder	O
from	O
eSol	O
Corporation	O
is	O
one	O
commonly	O
used	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
for	O
software	O
cross-development	O
targeting	O
T-Kernel	B-Operating_System
.	O
</s>
<s>
The	O
current	O
release	O
of	O
T-Kernel	B-Operating_System
2.0	O
is	O
distributed	O
with	O
a	O
plug-in	O
for	O
Eclipse	B-Application
IDE	I-Application
.	O
</s>
<s>
Also	O
,	O
a	O
version	O
of	O
T-Kernel	B-Operating_System
that	O
runs	O
on	O
QEMU	B-Application
based	O
emulator	O
,	O
and	O
the	O
QEMU	B-Application
based	O
emulator	O
itself	O
,	O
are	O
available	O
so	O
that	O
testing	O
,	O
training	O
,	O
and	O
development	O
can	O
be	O
done	O
on	O
a	O
PC	O
without	O
a	O
target	O
hardware	B-Architecture
.	O
</s>
<s>
It	O
is	O
supported	O
by	O
popular	O
SSL/TLS	B-Protocol
libraries	O
such	O
as	O
wolfSSL	B-Protocol
.	O
</s>
