Abatron bdiGDB QorIQ P3 User manual

bdiGDB
JTAG debug interface for GNU Debugger
QorIQ P3/P4/P5
User Manual
Manual Version 1.03 for BDI3000
©1997-2012 by Abatron AG

bdiGDBfor BDI3000 (QorIQ P3/P4/P5) User Manual 2
© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
1 Introduction ................................................................................................................................. 3
1.1 BDI3000................................................................................................................................. 3
1.2 BDI Configuration ..................................................................................................................4
2 Installation ................................................................................................................................... 5
2.1 Connecting the BDI3000 to Target ........................................................................................5
2.2 Connecting the BDI3000 to Power Supply ............................................................................ 7
2.3 Status LED «MODE».............................................................................................................8
2.4 Connecting the BDI3000 to Host ...........................................................................................9
2.4.1 Serial line communication ............................................................................................9
2.4.2 Ethernet communication ............................................................................................10
2.5 Installation of the Configuration Software............................................................................11
2.5.1 Configuration with a Linux / Unix host........................................................................12
2.5.2 Configuration with a Windows host ............................................................................14
2.5.3 Configuration via Telnet / TFTP .................................................................................16
2.6 Testing the BDI3000 to host connection..............................................................................18
2.7 TFTP server for Windows....................................................................................................18
3 Using bdiGDB ............................................................................................................................ 19
3.1 Principle of operation...........................................................................................................19
3.2 Configuration File.................................................................................................................20
3.2.1 Part [INIT]...................................................................................................................21
3.2.2 Part [TARGET] ...........................................................................................................24
3.2.3 Part [HOST]................................................................................................................28
3.2.4 Part [FLASH] ..............................................................................................................30
3.2.5 Part [REGS] ...............................................................................................................34
3.3 Debugging with GDB ...........................................................................................................36
3.3.1 Target setup ...............................................................................................................36
3.3.2 Connecting to the target.............................................................................................36
3.3.3 GDB monitor command..............................................................................................36
3.3.4 Target serial I/O via BDI.............................................................................................37
3.3.5 Embedded Linux MMU Support .................................................................................38
3.4 Telnet Interface....................................................................................................................40
3.5 Multi-Core Support...............................................................................................................43
4 Specifications ............................................................................................................................ 45
5 Environmental notice................................................................................................................ 46
6 Declaration of Conformity (CE)................................................................................................ 46
7 Warranty and Support Terms...................................................................................................47
7.1 Hardware ............................................................................................................................. 47
7.2 Software .............................................................................................................................. 47
7.3 Warranty and Disclaimer .....................................................................................................47
7.4 Limitation of Liability ............................................................................................................47
Appendices
A Troubleshooting ....................................................................................................................... 48
B Maintenance .............................................................................................................................. 49
C Trademarks ............................................................................................................................... 49

bdiGDBfor BDI3000 (QorIQ P3/P4/P5) User Manual 3
© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
1 Introduction
bdiGDB enhances the GNU debugger (GDB), with JTAG/COP debugging for QorIQ P4 based tar-
gets. With the built-in Ethernet interface you get a very fast code download speed. No target commu-
nication channel (e.g. serial line) is wasted for debugging purposes. Even better, you can use fast
Ethernet debugging with target systems without network capability. The host to BDI communication
uses the standard GDB remote protocol.
An additional Telnet interface is available for special debug tasks (e.g. force a hardware reset,
program flash memory).
The following figure shows how the BDI3000 interface is connected between the host and the target:
1.1 BDI3000
The BDI3000 is the main part of the bdiGDB system. This small box implements the interface be-
tween the JTAG pins of the target CPU and a 10/100Base-T Ethernet connector. The firmware of the
BDI3000 can be updated by the user with a simple Linux/Windows configuration program or interac-
tively via Telnet/TFTP. The BDI3000 supports 1.2 – 5.0 Volts target systems.
GNU Debugger
(GDB)
BDI3000
Target System
COP Interface
Ethernet (10/100 BASE-T)
P4080

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
1.2 BDI Configuration
As an initial setup, the IP address of the BDI3000, the IP address of the host with the configuration
file and the name of the configuration file is stored within the flash of the BDI3000.
Every time the BDI3000 is powered on, it reads the configuration file via TFTP.
Following an example of a typical configuration file:
;bdiGDB configuration file for P4080-DS
;--------------------------------------
;
[INIT]
; Initialize LAWBAR's
WM32 0xfe000c00 0x00000000 ;LAWBAR0 : Flash @0_e0000000
WM32 0xfe000c04 0xe0000000
WM32 0xfe000c08 0x81f0001b ;LAWAR0 : eLBC 256MB
.......
; Release cores for booting
WM32 0xfe0E00E4 0x00000003 ;BRR: release core 0 and 1
;
;
[TARGET]
; common parameters
POWERUP 5000 ;start delay after power-up detected in ms
JTAGCLOCK 1 ;use 16 MHz JTAG clock
WAKEUP 1000 ;give reset time to complete
;
; CoreID#0 parameters (active vCPU after reset)
#0 CPUTYPE P4080 0 0 ;Core0 / SOC0
#0 STARTUP HALT ;halt at the reset vector (this halts all cores !!!)
;
; CoreID#1 parameters
#1 CPUTYPE P4080 1 0 ;Core1 / SOC0
#1 STARTUP HALT ;halt at the reset vector
;
[HOST]
IP 151.120.25.112
FILE E:\temp\dump1024k.bin
FORMAT BIN 0x10000
;
#0 PROMPT P4080#0>
#1 PROMPT P4080#1>
;
[FLASH]
; only to test execution of target code
WORKSPACE 0x80001000 ;workspace in CPC1/SRAM
CHIPTYPE AM29BX16 ;Flash type
CHIPSIZE 0x00200000 ;The size of one flash chip in bytes
BUSWIDTH 16 ;The width of the flash memory bus in bits
FILE E:\temp\dump16k.bin
FORMAT BIN 0x00300000
[REGS]
FILE $regP4080.def
Based on the information in the configuration file, the target is automatically initialized after every re-
set.

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2 Installation
2.1 Connecting the BDI3000 to Target
The cable to the target system is a 16 pin flat ribbon cable. In case where the target system has an
appropriate connector, the cable can be directly connected. The pin assignment is in accordance with
the COP connector specification.
In order to ensure reliable operation of the BDI (EMC, runtimes, etc.) the target cable length must not
exceed 20 cm (8").
For BDI TARGET B connector signals see table on next page.
Note:
For critical designs (long traces on the target board) there is a shorter target cable available (p/n
90020-S).This may improve JTAG communication reliability. But best is to keep the JTAG traces on
the board as short as possible.
Warning:
Before you can use the BDI3000 with an other target processor type (e.g. PPC <--> ARM), a new
setup has to be done (see chapter 2.5). During this process the target cable must be disconnected
from the target system.
To avoid conflicts between data lines, the BDI3000 must be disconnected from the target sys-
tem while programming a new firmware for an other target CPU.
!
COP/JTAG Connector
BDI3000
Target System
1 15
16
2
1 - TDO
2 - NC (QACK)
3 - TDI
4 - TRST
5 - NC (QREQ)
6 - Vcc Target
7 - TCK
8 - CHKSTP_IN
9 - TMS
10 - NC
11 - SRESET
12 - GROUND
13 - HRESET
14 - NC (key)
15 - CHKSTP_OUT
16 - GROUND
The green LED «TRGT» marked light up when target is powered up
TARGET A TARGET B
15 1
16 2
BDI TRGT
MODE
P4080
!

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
BDI TARGET B Connector Signals:
Pin Name Describtion
1 TDO JTAG Test Data Out
This input to the BDI3000 connects to the target TDO pin.
2 IO2 General purpose I/O
Currently not used.
3 TDI JTAG Test Data In
This output of the BDI3000 connects to the target TDI pin.
4TRST JTAG Test Reset
This output of the BDI3000 resets the JTAG TAP controller on the target.
5 IN0 General purpose Input
Currently not used.
6 Vcc Target 1.2 – 5.0V:
This is the target reference voltage. It indicates that the target has power and it is also used
to create the logic-level reference for the input comparators. It also controls the output logic
levels to the target. It is normally connected to Vdd I/O on the target board.
7 TCK JTAG Test Clock
This output of the BDI3000 connects to the target TCK pin.
8 IO8 General purpose I/O
This output of the BDI3000 connects to the target CKSTP_IN pin. Currently not used.
9 TMS JTAG Test Mode Select
This output of the BDI3000 connects to the target TMS line.
10 IO10 General purpose I/O
Currently not used.
11 SRESET Soft-Reset
This open collector output of the BDI3000 connects to the target HRESET pin.
12 GROUND System Ground
13 HRESET Hard-Reset
This open collector output of the BDI3000 connects to the target PORESET pin.
14 <reseved>
15 IN1 General purpose Input
This input to the BDI3000 connects to the target CKSTP_OUT pin. Currently not used.
16 GROUND System Ground

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.2 Connecting the BDI3000 to Power Supply
The BDI3000 needs to be supplied with the enclosed power supply from Abatron (5VDC).
Before use, check if the mains voltage is in accordance with the input voltage printed on power
supply. Make sure that, while operating, the power supply is not covered up and not situated near
a heater or in direct sun light. Dry location use only.
For error-free operation, the power supply to the BDI3000 must be between 4.75V and 5.25V DC.
The maximal tolerable supply voltage is 5.25 VDC. Any higher voltage or a wrong polarity
might destroy the electronics.
Please switch on the system in the following sequence:
• 1 –> external power supply
• 2 –> target system
!
!
RS232 POWER
+5 VDC GND
TARGET A TARGET B
BDI TRGT
MODE
The green LED «BDI» marked light up when 5V power is connected to the BDI3000
casing connected to ground terminal

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.3 Status LED «MODE»
The built in LED indicates the following BDI states:
MODE LED BDI STATES
OFF The BDI is ready for use, the firmware is already loaded.
ON The output voltage from the power supply is too low.
BLINK The BDI «loader mode» is active (an invalid firmware is loaded or loading firmware is active).
TARGET A TARGET B
BDI TRGT
MODE

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.4 Connecting the BDI3000 to Host
2.4.1 Serial line communication
Serial line communication is only used for the initial configuration of the bdiGDB system.
The host is connected to the BDI through the serial interface (COM1...COM4). The communication
cable (included) between BDI and Host is a serial cable. There is the same connector pinout for the
BDI and for the Host side (Refer to Figure below).
RS232 Connector
(for PC host)
BDI3000
Target System
RS232
PC Host
1 - NC
2 - RXD data from host
3 - TXD data to host
4 - NC
5 - GROUND
6 - NC
7 - NC
8 - NC
9 - NC
RS232 POWER
54321
9876
P4080

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.4.2 Ethernet communication
The BDI3000 has a built-in 10/100 BASE-T Ethernet interface (see figure below). Connect an UTP
(Unshielded Twisted Pair) cable to the BD3000. Contact your network administrator if you have ques-
tions about the network.
The following explains the meanings of the built-in LED lights:
LED Function Description
LED 1
(green)
Link / Activity When this LED light is ON, data link is successful between the UTP port
of the BDI3000 and the hub to which it is connected.
The LED blinks when the BDI3000 is receiving or transmitting data.
LED 2
(amber)
Speed When this LED light is ON, 100Mb/s mode is selected (default).
When this LED light is OFF, 10Mb/s mode is selected
10/100 BASE-T
PC / Unix
Host
Target System
Ethernet (10/100 BASE-T)
1 - TD+
2 - TD-
3 - RD+
4 - NC
5 - NC
6 - RD-
7 - NC
8 - NC
Connector
BDI3000
RS232 POWER
18
LED1 LED2
P4080

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.5 Installation of the Configuration Software
On the enclosed diskette you will find the BDI configuration software and the firmware required for
the BDI3000. For Windows users there is also a TFTP server included.
The following files are on the diskette.
b30qp4gd.exe Windows Configuration program
b30qp4gd.xxx Firmware for the BDI3000
tftpsrv.exe TFTP server for Windows (WIN32 console application)
*.cfg Configuration files
*.def Register definition files
bdisetup.zip ZIP Archive with the Setup Tool sources for Linux / UNIX hosts.
Overview of an installation / configuration process:
• Create a new directory on your hard disk
• Copy the entire contents of the enclosed diskette into this directory
• Linux only: extract the setup tool sources and build the setup tool
• Use the setup tool or Telnet (default IP) to load/update the BDI firmware
Note: A new BDI has no firmware loaded.
• Use the setup tool or Telnet (default IP) to load the initial configuration parameters
- IP address of the BDI.
- IP address of the host with the configuration file.
- Name of the configuration file. This file is accessed via TFTP.
- Optional network parameters (subnet mask, default gateway).
Activating BOOTP:
The BDI can get the network configuration and the name of the configuration file also via BOOTP.
For this simple enter 0.0.0.0 as the BDI’s IP address (see following chapters). If present, the subnet
mask and the default gateway (router) is taken from the BOOTP vendor-specific field as defined in
RFC 1533.
With the Linux setup tool, simply use the default parameters for the -c option:
[root@LINUX_1 bdisetup]# ./bdisetup -c -p/dev/ttyS0 -b57
The MAC address is derived from the serial number as follows:
MAC: 00-0C-01-xx-xx-xx , replace the xx-xx-xx with the 6 left digits of the serial number
Example: SN# 33123407 ==>> 00-0C-01-33-12-34
Default IP: 192.168.53.72
Before the BDI is configured the first time, it has a default IP of 192.168.53.72 that allows an initial
configuration via Ethernet (Telnet or Setup Tools). If your host is not able to connect to this default
IP, then the initial configuration has to be done via the serial connection.

bdiGDBfor BDI3000 (QorIQ P3/P4/P5) User Manual 12
© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
2.5.1 Configuration with a Linux / Unix host
The firmware update and the initial configuration of the BDI3000 is done with a command line utility.
In the ZIP Archive bdisetup.zip are all sources to build this utility. More information about this utility
can be found at the top in the bdisetup.c source file. There is also a make file included.
Starting the tool without any parameter displays information about the syntax and parameters.
To avoid data line conflicts, the BDI3000 must be disconnected from the target system while
programming the firmware for an other target CPU family.
Following the steps to bring-up a new BDI3000:
1. Build the setup tool:
The setup tool is delivered only as source files. This allows to build the tool on any Linux / Unix host.
To build the tool, simply start the make utility.
[root@LINUX_1 bdisetup]# make
cc -O2 -c -o bdisetup.o bdisetup.c
cc -O2 -c -o bdicnf.o bdicnf.c
cc -O2 -c -o bdidll.o bdidll.c
cc -s bdisetup.o bdicnf.o bdidll.o -o bdisetup
2. Check the serial connection to the BDI:
With "bdisetup -v" you may check the serial connection to the BDI. The BDI will respond with infor-
mation about the current loaded firmware and network configuration.
Note: Login as root, otherwise you probably have no access to the serial port.
$ ./bdisetup -v -p/dev/ttyS0 -b115
BDI Type : BDI3000 (SN: 30000154)
Loader : V1.00
Firmware : unknown
MAC : ff-ff-ff-ff-ff-ff
IP Addr : 255.255.255.255
Subnet : 255.255.255.255
Gateway : 255.255.255.255
Host IP : 255.255.255.255
Config : ÿÿÿÿÿÿÿ........
3. Load/Update the BDI firmware:
With "bdisetup -u" the firmware is programmed into the BDI3000 flash memory. This configures the
BDI for the target you are using. Based on the parameters -a and -t, the tool selects the correct firm-
ware file. If the firmware file is in the same directory as the setup tool, there is no need to enter a -d
parameter.
$ ./bdisetup -u -p/dev/ttyS0 -b115 -aGDB -tP4080
Connecting to BDI loader
Programming firmware with ./b30qp4gd.100
Erasing firmware flash ....
Erasing firmware flash passed
Programming firmware flash ....
Programming firmware flash passed
!

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© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
4. Transmit the initial configuration parameters:
With "bdisetup -c" the configuration parameters are written to the flash memory within the BDI.
The following parameters are used to configure the BDI:
BDI IP Address The IP address for the BDI3000. Ask your network administrator for as-
signing an IP address to this BDI3000. Every BDI3000 in your network
needs a different IP address.
Subnet Mask The subnet mask of the network where the BDI is connected to. A subnet
mask of 255.255.255.255 disables the gateway feature. Ask your network
administrator for the correct subnet mask. If the BDI and the host are in
the same subnet, it is not necessary to enter a subnet mask.
Default Gateway Enter the IP address of the default gateway. Ask your network administra-
tor for the correct gateway IP address. If the gateway feature is disabled,
you may enter 255.255.255.255 or any other value.
Config - Host IP Address Enter the IP address of the host with the configuration file. The configura-
tion file is automatically read by the BDI3000 after every start-up.
Configuration file Enter the full path and name of the configuration file. This file is read via
TFTP. Keep in mind that TFTP has it’s own root directory (usual /tftpboot).
You can simply copy the configuration file to this directory and the use the
file name without any path.
For more information about TFTP use "man tftpd".
$ ./bdisetup -c -p/dev/ttyS0 -b115 \
> -i151.120.25.102 \
> -h151.120.25.112 \
> -fe:/bdi3000/mytarget.cfg
Connecting to BDI loader
Writing network configuration
Configuration passed
5. Check configuration and exit loader mode:
The BDI is in loader mode when there is no valid firmware loaded or you connect to it with the setup
tool. While in loader mode, the Mode LED is blinking. The BDI will not respond to network requests
while in loader mode. To exit loader mode, the "bdisetup -v -s" can be used. You may also power-off
the BDI, wait some time (1min.) and power-on it again to exit loader mode.
$ ./bdisetup -v -p/dev/ttyS0 -b115 -s
BDI Type : BDI3000 (SN: 30000154)
Loader : V1.00
Firmware : V1.00 bdiGDB for P4080
MAC : 00-0c-01-30-00-01
IP Addr : 151.120.25.102
Subnet : 255.255.255.255
Gateway : 255.255.255.255
Host IP : 151.120.25.112
Config : /bdi3000/mytarget.cfg
The Mode LED should go off, and you can try to connect to the BDI via Telnet.
$ telnet 151.120.25.102

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2.5.2 Configuration with a Windows host
First make sure that the BDI is properly connected (see Chapter 2.1 to 2.4).
To avoid data line conflicts, the BDI3000 must be disconnected from the target system while
programming the firmware for an other target CPU family.
dialog box «BDI3000 Update/Setup»
Before you can use the BDI3000 together with the GNU debugger, you must store the initial config-
uration parameters in the BDI3000 flash memory. The following options allow you to do this:
Port Select the communication port where the BDI3000 is connected during
this setup session. If you select Network, make sure the Loader is already
active (Mode LED blinking). If there is already a firmware loaded and run-
ning, use the Telnet command "boot loader" to activate Loader Mode.
Speed Select the baudrate used to communicate with the BDI3000 loader during
this setup session.
Connect Click on this button to establish a connection with the BDI3000 loader.
Once connected, the BDI3000 remains in loader mode until it is restarted
or this dialog box is closed.
Current Press this button to read back the current loaded BDI3000 firmware ver-
sion. The current firmware version will be displayed.
!

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Erase Press this button to erase the current loaded firmware.
Update This button is only active if there is a newer firmware version present in the
execution directory of the bdiGDB setup software. Press this button to
write the new firmware into the BDI3000 flash memory.
BDI IP Address Enter the IP address for the BDI3000. Use the following format:
xxx.xxx.xxx.xxx e.g.151.120.25.101
Ask your network administrator for assigning an IP address to this
BDI3000. Every BDI3000 in your network needs a different IP address.
Subnet Mask Enter the subnet mask of the network where the BDI is connected to.
Use the following format: xxx.xxx.xxx.xxxe.g.255.255.255.0
A subnet mask of 255.255.255.255 disables the gateway feature.
Ask your network administrator for the correct subnet mask.
Default Gateway Enter the IP address of the default gateway. Ask your network administra-
tor for the correct gateway IP address. If the gateway feature is disabled,
you may enter 255.255.255.255 or any other value.
Config - Host IP Address Enter the IP address of the host with the configuration file. The configura-
tion file is automatically read by the BDI3000 after every start-up.
Configuration file Enter the full path and name of the configuration file. This name is trans-
mitted to the TFTP server when reading the configuration file.
Transmit Click on this button to store the configuration in the BDI3000 flash
memory.
Note:
Using this setup tool via the Network channel is only possible if the BDI3000 is already in Loader
mode (Mode LED blinking). To force Loader mode, enter "boot loader" at the Telnet. The setup tool
tries first to establish a connection to the Loader via the IP address present in the "BDI IP Address"
entry field. If there is no connection established after a time-out, it tries to connect to the default IP
(192.168.53.72).

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2.5.3 Configuration via Telnet / TFTP
The firmware update and the initial configuration of the BDI3000 can also be done interactively via a
Telnet connection and a running TFTP server on the host with the firmware file. In cases where it is
not possible to connect to the default IP, the initial setup has to be done via a serial connection.
To avoid data line conflicts, the BDI3000 must be disconnected from the target system while
programming the firmware for an other target CPU family.
Following the steps to bring-up a new BDI3000 or updating the firmware.
Connect to the BDI Loader via Telnet.
If a firmware is already running enter "boot loader" and reconnect via Telnet.
$ telnet 192.168.53.72
or
$ telnet <your BDI IP address>
Update the network parameters so it matches your needs:
LDR>network
BDI MAC : 00-0c-01-30-00-01
BDI IP : 192.168.53.72
BDI Subnet : 255.255.255.0
BDI Gateway : 255.255.255.255
Config IP : 255.255.255.255
Config File :
LDR>netip 151.120.25.102
LDR>nethost 151.120.25.112
LDR>netfile /bdi3000/mytarget.cfg
LDR>network
BDI MAC : 00-0c-01-30-00-01
BDI IP : 151.120.25.102
BDI Subnet : 255.255.255.0
BDI Gateway : 255.255.255.255
Config IP : 151.120.25.112
Config File : /bdi3000/mytarget.cfg
LDR>network save
saving network configuration ... passed
BDI MAC : 00-0c-01-30-00-01
BDI IP : 151.120.25.102
BDI Subnet : 255.255.255.0
BDI Gateway : 255.255.255.255
Config IP : 151.120.25.112
Config File : /bdi3000/mytarget.cfg
In case the subnet has changed, reboot before trying to load the firmware
LDR>boot loader
!

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Connect again via Telnet and program the firmware into the BDI flash:
$ telnet 151.120.25.102
LDR>info
BDI Firmware: not loaded
BDI CPLD ID : 01285043
BDI CPLD UES: ffffffff
BDI MAC : 00-0c-01-30-00-01
BDI IP : 151.120.25.102
BDI Subnet : 255.255.255.0
BDI Gateway : 255.255.255.255
Config IP : 151.120.25.112
Config File : /bdi3000/mytarget.cfg
LDR>fwload e:/temp/b30qp4gd.100
erasing firmware flash ... passed
programming firmware flash ... passed
LDR>info
BDI Firmware: 23 / 1.00
BDI CPLD ID : 01285043
BDI CPLD UES: ffffffff
BDI MAC : 00-0c-01-30-00-01
BDI IP : 151.120.25.102
BDI Subnet : 255.255.255.0
BDI Gateway : 255.255.255.255
Config IP : 151.120.25.112
Config File : /bdi3000/mytarget.cfg
LDR>
To boot now into the firmware use:
LDR>boot
The Mode LED should go off, and you can try to connect to the BDI again via Telnet.
telnet 151.120.25.102

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2.6 Testing the BDI3000 to host connection
After the initial setup is done, you can test the communication between the host and the BDI3000.
There is no need for a target configuration file and no TFTP server is needed on the host.
• If not already done, connect the BDI3000 system to the network.
• Power-up the BDI3000.
• Start a Telnet client on the host and connect to the BDI3000 (the IP address you entered dur-
ing initial configuration).
• If everything is okay, a sign on message like «BDI Debugger for Embedded PowerPC» and
a list of the available commands should be displayed in the Telnet window.
2.7 TFTP server for Windows
The bdiGDB system uses TFTP to access the configuration file and to load the application program.
Because there is no TFTP server bundled with Windows, Abatron provides a TFTP server application
tftpsrv.exe. This WIN32 console application runs as normal user application (not as a system ser-
vice).
Command line syntax: tftpsrv [p] [w] [dRootDirectory]
Without any parameter, the server starts in read-only mode. This means, only read access request
from the client are granted. This is the normal working mode. The bdiGDB system needs only read
access to the configuration and program files.
The parameter [p] enables protocol output to the console window. Try it.
The parameter [w] enables write accesses to the host file system.
The parameter [d] allows to define a root directory.
tftpsrv p Starts the TFTP server and enables protocol output
tftpsrv p w Starts the TFTP server, enables protocol output and write accesses are
allowed.
tftpsrv dC:\tftp\ Starts the TFTP server and allows only access to files in C:\tftp and its
subdirectories. As file name, use relative names.
For example "bdi\mpc8548.cfg" accesses "C:\tftp\bdi\mpc8548.cfg"
You may enter the TFTP server into the Startup group so the server is started every time you login.

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3 Using bdiGDB
3.1 Principle of operation
The firmware within the BDI handles the GDB request and accesses the target memory or registers
via the JTAG interface. There is no need for any debug software on the target system. After loading
the code via TFTP, debugging can begin at the very first assembler statement.
Whenever the BDI system is powered-up the following sequence starts:
Power On
initial
configuration
valid?
Get configuration file
via TFTP
Reset System and
Power OFF
activate BDI3000 loader
Power OFF
no
yes
Process target init list
Process GDB requests
Process Telnet commands

bdiGDBfor BDI3000 (QorIQ P3/P4/P5) User Manual 20
© Copyright 1997-2012 by ABATRON AG Switzerland V 1.03
3.2 Configuration File
The configuration file is automatically read by the BDI after every power on.
The syntax of this file is as follows:
; comment
[part name]
identifier parameter1 parameter2 ..... parameterN ; comment
identifier parameter1 parameter2 ..... parameterN
.....
[part name]
identifier parameter1 parameter2 ..... parameterN
identifier parameter1 parameter2 ..... parameterN
..... etc.
Numeric parameters can be entered as decimal (e.g. 700) or as hexadecimal (0x80000).
Note about how to enter 64bit values:
The syntax for 64 bit parameters is : [<high word>_]<low word>
Hex values may also be entered as: 0xnnnnnnnnnnnnnnnn
The "high word" (optional) and "low word" can be entered as decimal or hexadecimal. They are han-
dled as two separate values concatenated with an underscore.
Examples:
0x0123456789abcdef =>> 0x0123456789abcdef
0x01234567_0x89abcdef =>> 0x0123456789abcdef
1_0 =>> 0x0000000100000000
256 =>> 0x0000000000000100
3_0x1234 =>> 0x0000000300001234
0x80000000_0 =>> 0x8000000000000000