bdiGDB User Manual
Contents
1. Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 20 3 2 Configuration File The configuration file is automatically read by the BDI2000 after every power on The syntax of this file is as follows comment part name identifier parameterl parameter2 parameterN identifier parameterl parameter2 parameterN part name identifier parameterl parameter2 parameterN identifier parameterl parameter2 parameterN GU comment Numeric parameters can be entered as decimal e g 700 or as hexadecimal 0x80000 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 21 3 2 1 Part INIT The part INIT defines a list of commands which should be executed every time the target comes out of reset The commands are used to get the target ready for loading the program file WGPR register value Write value to the selected general purpose register register the register number 0 15 value the value to write into the register Example WGPR 0 5 WAFR register value Write value to the selected alternate register register the register number 0 15 value the value to write into the register Example WAFR 0 5 WCR register value Write value to the selected control register register the register number 0 12 value the value to write into the register2. 8 Target System 222222 1 4 13 a naem 4 Target Connector 1 TDI 2 Key 14 3 TDO 4 GROUND 5 TOK 6 GROUND i BDI MAIN 9 1 av i 9 RESET 10 TMS 11 Vcc Target Target System 4 4 5p0 b P P 1 13 P EHEHEHEH rnm D d Target Connector Cacao 1 TDI 2 Key 14 mmc 3 TDO Ma 4 GROUND BDl20ooo Mss 6 GROUND a TARGET A 9 RESET 10 TMS 11 Vcc Target The green LED TRGT marked light up when target is powered up For BDI MAIN TARGET A connector signals see table on next page Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 6 BDI MAIN TARGET A Connector Signals Describtion This pin is currently not used JTAG Test Reset This open collector output of the BDI2000 resets the JTAG TAP controller on the target System Ground JTAG Test Clock This output of the BDI2000 connects to the target TCK line JTAG Test Mode Select This output of the BDI2000 connects to the target TMS line Target Reset This open collector output of the BDI2000 is used to reset the target system JTAG Test Data In This output of the BDI2000 connects to the target TDI line Vcc Target 1 8 5 0V This is the target reference voltage It indicates that the target has pow
3. 3 MHz STARTUP mode runtime This parameter selects the target startup mode The following modes are supported RESET This default mode forces the target to debug mode im mediately out of reset No code is executed after reset STOP In this mode the BDI lets the target execute code for runtime milliseconds after reset This mode is useful when monitor code should initialize the target system RUN After reset the target executes code until stopped by the Telnet halt command Example STARTUP STOP 3000 let the CPU run for 3 seconds BDIMODE mode param This parameter selects the BDI debugging mode The following modes are supported LOADONLY Loads and starts the application code No debugging via JTAG interface AGENT The debug agent runs within the BDI There is no need for any debug software on the target This mode accepts a second parameter If RUN is entered as a second pa rameter the loaded application will be started immedi ately otherwise only the PC is set and BDI waits for GDB requests Example BDIMODE AGENT RUN BREAKMODE mode paramThis parameter defines how breakpoints are implemented SOFT This is the normal mode Breakpoints are implemented by replacing code with a BKPT instruction This mode accepts a second parameter If NOADJ is entered as a second parameter the BDI does not adjust the program counter back to the address of the BKPT instruction This is necessary when using an old GDB version that adjusts
4. Example WCR 0 5 WREG name value Write value to the selected CPU register by name name the register name PSR value the value to write into the register Example WREG PSR 0x00000000 WMB8 address value Write a byte 8bit to the selected memory place address the memory address value the value to write to the target memory Example WM8 OxFFFFFA21 0x04 SYPCR watchdog disable WM16 address value Write a half word 16bit to the selected memory place address the memory address value the value to write to the target memory Example WM16 0x00C70000 0x000E WCR disable watchdog WM32 address value Write a word 32bit to the selected memory place address the memory address value the value to write to the target memory Example WM32 0x02200000 0x01632440 SIUMCR DELAY value Delay for the selected time value the delay time in milliseconds 1 30000 Example DELAY 500 delay for 0 5 seconds Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual Z2 3 2 2 Part TARGET The part TARGET defines some target specific values CPUTYPE type This value gives the BDI information about the connected CPU type MMC2001 MMC2107 MMC2114 Example CPUTYPE MMC2107 JTAGCLOCK value With this value you can select the JTAG clock rate the BDI2000 uses when communication with the target CPU value 0 16 6MHz 2 5 5MHz 1 8 3 MHz 3 4 1 MHz Example JTAGCLOCK 1 JTAG clock is 8
5. is loaded or loading firmware is active Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 bd for GNU Debugger BDIZ000 M CORE User Manual 77 2 4 Connecting the BDI2000 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 Target System GND Ol C1 GND RD a ae c TP TD w RS Md Sp BDI2000 CTS oo CTS DSR DSR DCD a _ DCD PC Host DTR p p PTR a RS232 Connector for PC host RS232 Target System GND O1 7 on GND RD d as w TP TD w RTS N y RTS CTS pd co CTS DSR O O DSR PC Host DCD 4 x DCD DTR N p DTR mm E BDI2000 RS232 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 12 2 4 2 Ethernet communication The BDI2000 has a built in 10 BASE T Ethernet interface see figure below Connect an UTP Un shilded Twisted Pair cable to the BD2000 For thin Ethernet coaxial networks you can connec
6. target system see chapter 2 The power supply of the target system is switched off or not in operating range 4 75 VDC 5 25 VDO MODE LED is OFF or RED The built in fuse is damaged MODE LED is OFF The BDI is not correctly connected with the Host see chapter 2 A wrong communication port Com 1 Com 4 is selected Problem No working with the target system loading firmware is ok Possible reasons Wrong pin assignment BDM JTAG connector of the target system see chapter 2 Target system initialization is not correctly gt enter an appropriate target initialization list An incorrect IP address was entered BDI2000 configuration BDM JTAG signals from the target system are not correctly short circuit break The target system is damaged Problem Network processes do not function loading the firmware was successful Possible reasons The BDI2000 is not connected or not correctly connected to the network LAN cable or media converter An incorrect IP address was entered BDI2000 configuration Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 37 B Maintenance The BDI needs no special maintenance Clean the housing with a mild detergent only Solvents such as gasoline may damage it If the BDI is connected correctly and it is still not responding then the built in fuse might be damaged in cases where the devic
7. you can try to connect to the BDI via Telnet root LINUX_1 bdisetup telnet 151 120 25 101 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 76 2 5 2 Configuration with a Windows host First make sure that the BDI is properly connected see Chapter 2 1 to 2 4 A To avoid data line conflicts the BDI2000 must be disconnected from the target system while programming the logic for an other target CPU see Chapter 2 1 1 BDI2000 Update Setup s r Connect BDI2000 Loader Channel p Baudrate C COMI C 9600 COM2 C 19200 C COM3 C 38400 C COM4 57600 SN 93111120 C BDI2000 Firmware Logic Current Newest Loader 1 05 Current Firmware 1 00 1 00 Logic 1 01 1 01 E r Configuration BDI IP Address istzzo2810 Subnet Mask 255 255 255 255 Default Gateway 255 255 255 255 Config Host IP Address 151 120 2519 Configuration file E cygwinshomeNbdidemo mcore mmc2107 cfg Cancel Ok Transmit Writing setup data passed dialog box BDI2000 Update Setup Before you can use the BDI2000 together with the GNU debugger you must store the initial config uration parameters in the BDI2000 flash memory The following options allow you to do this Channel Select the communication port where the BDI2000 is connected during this setup session Baudrate Select the baudrate used to communicate with the BDI2000 loader durin
8. 00c30004 32 Reset YGE 0x00c40000 8 rsr 0x00c40001 8 rtr 0x00c40002 8 E Interrupt Controller icr 0x00c50000 16 isr 0x00c50002 16 ifrh 0x00c50004 32 ifrl 0x00c50008 32 ipr 0x00c5000c 32 nier 0x00c50010 32 nipr 0x00c50014 32 fier 0x00c50018 32 fipr 0x00c5001c 32 Flash cmfrmcr 0x00d00000 32 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 29 3 3 Debugging with GDB Because the target agent runs within BDI no debug support has to be linked to your application There is also no need for any BDI specific changes in the application sources Your application must be fully linked because no dynamic loading is supported 3 3 1 Target setup Target initialization may be done at two places First with the BDI configuration file second within the application The setup in the configuration file must at least enable access to the target memory where the application will be loaded Disable the watchdog and setting the CPU clock rate may also be done with the BDI configuration file Application specific initializations like setting the timer rate are best located in the application startup sequence 3 3 2 Connecting to the target As soon as the target comes out of reset BDl initializes it and loads your application code If RUN is selected the application is immediately started otherwise only the target PC is set BDI now waits for GDB request from the debugger runn
9. 5 CT 4 60 TC 20 C 465 C lt 90 rF 190 x 110 x 35 mm 420 g 2 5m Specifications subject to change without notice Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 34 5 Environmental notice Dj e Disposal of the equipment must be carried out at a designated disposal site 6 Declaration of Conformity CE DECLARATION OF CONFORMITY This declaration is valid for following product Type of device BDM JTAG Interface Product name BDI2000 The signing authorities state that the above mentioned equipment meets the requirements for emission and immunity according to EMC Directive 89 336 EEC The evaluation procedure of conformity was assured according to the following standards EN 50081 2 EN 50082 2 This declaration of conformity is based on the test report no QNL E853 05 8 a of QUINEL Zug accredited according to EN 45001 Manufacturer ABATRON AG St ckenstrasse 4 CH 6221 Rickenbach Authority Lf o EY Max Vock Ruedi Dummermuth Marketing Director Technical Director Rickenbach May 30 1998 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 35 7 Warranty ABATRON Switzerland warrants the physical diskette cable BDI2000 and physical documentation to be free of defects in materials and workmanship for a period of 24 months follo
10. EC file for the BDI2000 Rev A B logic device when working with a M CORE target JEDEC file for the BDI2000 Rev C logic device when working with a M CORE target TFTP server for WindowsNT Windows95 WIN32 console application Configuration files Register definition files 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 to load update the BDI firmware logic Note A new BDI has no firmware logic loaded Use the setup tool to transmit 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 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 14 2 5 1 Configuration with a Linux Unix host The firmware logic update and the initial configuration of the BDI2000 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 withou
11. GUFO 5 it Lov rebas e rod day deserun teh db Lac ae RESTER 17 2 6 Testing the BDI2000 to host COnI amp Cllon iore denen etra per eee atero dr egeta scia 18 2 7 TFTP server for Windows NT eee ET trs per a ped ette Pere per rte Smith etae iub dida 18 3 Using BdlGDB sick ua auc oa eleison Oe Scoti ecciesie pecca nicus 19 3 1 Principle of Operation eder prd atr eeu pun a xe teu te tae ard ca e bu ERR de 19 3 2 Gortgurato n IB use 26s iterps oci opu a uberem o S Dues tts D mU UD DU OU AE 20 3 24 Part INI io rb SES RS UR Dea etae e e CR Sen me Ebr E E R dde 21 3 2 2 Fart TARGET ec Er 22 Boo miela l OSA Bl s E db vam er recede ede er error 23 Die Part FLASH eit iE ee DW eta deed esiti a era EE dd 24 225 Aras REOS rdodsesicettes mate teneor eap acc utum medici terea eed RE 27 3 4 Debugging With GDB s soccer eda Epp a vedete teu anions Sau idet ae NG neat tata 29 Oat Target SOUND eee a ue uias en derat pue tee GA aie doal saad elu e tec ded INANE 29 3 3 2 Connecting to the targel sod etre T RM danced a race erit ti d CURRERE 29 3 353 Breakpoint Hatdlirtg senio n en EE tI PO IC Bb de ctm tete a Re apad rre ea 30 3 3 4 GDB monitor command EH IE ERE RERR E Menu dE SERE RR SEE RR UXR MR eR RES 30 SA Telnet IMGMNACE c 31 3 4 T COMMANG isl ttd Sr iste dete rette dete Ra 32 4 Specifications oce ee isc ater eis kc ieee dean aE aaa iaaa 33 S Environmental OUNCE xcii in o ex EOS Cx FED dude a danedttat
12. al Power Supply The BDI2000 needs to be supplied with 5 Volts max 1A via the BDI OPTION connector Rev A or via POWER connector Rev B C The available power supply from Abatron option or the en closed power cable can be directly connected In order to ensure reliable operation of the BDI2000 keep the power supply cable as short as possible A For error free operation the power supply to the BDI2000 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 Lu BDI OPTION Connector 2 GROUND BDI OPTION 1 4 GROUND RRRA 6 GROUND 2 Vec OND 8 GROUND 10 GROUND The green LED BDI marked light up when 5V power is connected to the BDI2000 12 Vcc 5V 14 Vcc 45V Rev B C POWER Connector 1 Vcc 1 Vcc 5V 3 GROUND The green LED BDI marked light up when 5V power is connected to the BDI2000 Please switch on the system in the following sequence 1 gt external power supply 2 gt target system Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 9 2 2 2 Power Supply from Target System The BDI2000 needs to be supplied with 5 Volts max 1A via BDI MAIN target connector Rev A or via TARGET A connector Rev B C This mode can only be used whe
13. allowed range is 8 33 MHz for CMFR and 1 100 MHz for SGFM Example CHIPTYPE CMEFR 22 internal flash 32MHz The size of one flash chip in bytes e g AM29F010 0x20000 This value is used to calculate the starting address of the current flash memory bank size the size of one flash chip in bytes Example CHIPSIZE 0x80000 Enter the width of the memory bus that leads to the flash chips Do not en ter the width of the flash chip itself The parameter CHIPTYPE carries the information about the number of data lines connected to one flash chip For example enter 16 if you are using two AM29F010 to build a 16bit flash memory bank with the width of the flash memory bus in bits 8 16 32 Example BUSWIDTH 16 The name of the file to program into the flash This name is used to access the file via TFTP This name may be overridden interactively at the Telnet interface filename the filename including the full path Example FILE F gnu mcore bootrom hex The format of the file and an optional address offset The optional param eter offset is added to any load address read from the program file format SREC BIN AOUT or ELF Example FORMAT SREC FORMAT ELF 0x10000 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 25 WORKSPACE address If a workspace is defined the BDI uses a faster programming algorithm that runs out of RAM on the target system Otherwise the algo
14. at the normal reset ad dress 0x00000000 address the address where to start the program file Example START 0x10000 DEBUGPORT port The TCP port GDB uses to access the target port the TCP port number default 2001 Example DEBUGPORT 2001 PROMPT string This entry defines a new Telnet prompt The current prompt can also be changed via the Telnet interface Example PROMPT mmc2107 gt DUMP filename The default file name used for the Telnet DUMP command filename the filename including the full path Example DUMP dump bin For a complete example see chapter Introduction or the file mmc2107 cfg on the distribution disk Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 24 3 2 4 Part FLASH The Telnet interface supports programming and erasing of flash memories The bdiGDB system has to know which type of flash is used how the chip s are connected to the CPU and which sectors to erase in case the ERASE command is entered without any parameter CHIPTYPE type clock CHIPSIZE size BUSWIDTH width FILE filename FORMAT format offset This parameter defines the type of flash used It is used to select the cor rect programming algorithm type AM29F AM29BX8 AM29BX106 I28BX8 I28BX16 AT49 AT49X8 AT49X16 CMFR CMFRSHD SGFM clock For the CMFR and SGFM flash the BDI needs to know how fast the CPU is clocked Enterer the correct value in MHz The
15. e configuration file The configura tion file is automatically read by the BDI2000 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 rootQLINUX 1 bdisetup bdisetup c p dev ttyS0 b57 2 310 51 120 25 101 gt h151 120 25 118 gt fmmc2107 cfg Connecting to BDI loader Writing network configuration Writing init list and mode 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 flashing 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 root LINUX_1 bdisetup bdisetup v p dev ttyS0 b57 s BDI Type BDI2000 Rev C SN 92152150 Loader V1 05 Firmware V1 00 bdiGDB for M CORE Logic V1 00 M CORE MAC 00 40 49 fa 15 21 IP Addr 151 120 25 101 Subnet 15255 255 255 255 Gateway 255 255 255 255 Host IP 151 120 25 118 Config mmc2107 cfg The Mode LED should go off and
16. e holes in the back panel 5 2 Push carefully the front panel and the red elastig sealing on the casing Check that the LEDs align with the holes in the front panel and that the position of the sealing is as shown in the figure below casing NS elastic sealing back panel Er front panel 5 3 Mount the screws do not overtighten it 5 4 Mount the two plastic caps that cover the screws 5 5 Plug the cables A ks Observe precautions for handling Electrostatic sensitive device Unplug the cables before opening the cover Use exact fuse replacement Microfuse MSF 1 6 AF Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 39 C Trademarks All trademarks are property of their respective holders Copyright 1997 2002 by ABATRON AG Switzerland V 1 01
17. e was used with wrong supply voltage or wrong polarity To exchange the fuse or to perform special initialization please proceed according to the following steps A ks Observe precautions for handling Electrostatic sensitive device Unplug the cables before opening the cover Use exact fuse replacement Microfuse MSF 1 6 AF 1 1 Unplug the cables Swiss Made BDI2000 AG F 2 1 Remove the two plastic caps that cover the screws on target front side e g with a small knife 2 2 Remove the two screws that hold the front panel BDI OPTION BDI MAIN BDI TRGT MODE 3 1 While holding the casing remove the front panel and the red elastig sealing casing NS elastic sealing front panel Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 38 4 1 While holding the casing slide carefully the print in position as shown in figure below m Jumper settings o aM e n DEFAULT INIT MODE Fuse Position Fuse Position Rev BC Rev A o N Pull out carefully the fuse and replace it Pd Type Microfuse MSF 1 6AF Manufacturer Schurter Reinstallation 5 1 Slide back carefully the print Check that the LEDs align with th
18. ened Ordi es XE D MAR ue 34 6 Declaration of Conformity CE iciaicqe p isueride ti Das ta eese bh ek E datis Dru ER nnmnnn nna 34 rr riri eS 35 7 Appendices PW grape 36 B Maintenallb8 uod memes ecc Ped aia tovc ea YD dida sS CER ERE De PE EV CDI NEUE RNAn ER DN UAE CU FURIMME 37 C Trademarks arera M 39 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 3 1 Introduction bdiGDB enhances the GNU debugger GDB with JTAG debugging for M CORE based targets With the builtin Ethernet interface you get a very fast download speed of up to 80 kBytes sec No target communication 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 communica tion 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 BDI2000 interface is connected between the host and the target Target System M CORE JTAG Interface UNIX PC Host BDI2000 GNU Debugger GDB Ethernet 10 BASE T 1 1 BDI2000 The BDI2000 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 10Ba
19. er 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 fed from Vdd I O on the target board 3 0 5 0V with Rev A B This input to the BDI2000 is used to detect if the target is powered up If there is a current limiting resistor between this pin and the target Vdd it should be 100 Ohm or less JTAG Test Data Out This input to the BDI2000 connects to the target TDO line All the pins need to be connected to the target system for the debug operation Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 7 2 1 1 Changing Target Processor Type Before you can use the BDI2000 with an other target processor type e g M CORE lt gt PPC anew setup has to be done see chapter 2 5 During this process the target cable must be disconnected from the target system The BDI2000 needs to be supplied with 5 Volts via the BDI OPTION connec tor Rev A or via the POWER connector Rev B C For more information see chapter 2 2 1 External Power Supply To avoid data line conflicts the BDI2000 must be disconnected from the target system while programming the logic for an other target CPU Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 8 2 2 Connecting the BDI2000 to Power Supply 2 2 1 Extern
20. er enable programming voltage TARGET CPUTYPE MMC2107 JTAGCLOCK 1 use 8 MHz JTAG clock BDIMODE AGENT the BDI working mode LOADONLY AGENT BREAKMODE SOFT SOFT or HARD HOST IP 151 120 25 119 FILE E cygwin home bdidemo mcore testgnu elf FORMAT ELF LOAD ANUAL load code MANUAL or AUTO after reset FLASH CHIPTYPE CMFR 32 program internal flash cpu clock is 32MHz CHIPTYPE CMFRSHD 32 program shadow information cpu clock is 32MHz WORKSPACE 0x00800000 workspace in target RAM for fast programming algorithm CHIPSIZE 0x20000 Ihe size of one flash chip in bytes e g AM29F040 0x80000 BUSWIDTH 16 Ihe width of the flash memory bus in bits 8 16 32 FILE E cygwin home bdidemo mcore cmfr128 bin FORMAT BIN 0x00000000 ERASE 0x000000FF Erase all CMFR blocks REGS FILE BE cygwin home bdidemo mcore reg2107 def Based on the information in the configuration file the target is automatically initialized after every re set Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 5 2 Installation 2 1 Connecting the BDI2000 to Target The enclosed cable to the target system is designed for the standard JTAG OnCE connector In case where the target system has the same connector layout the cable can be directly connected A In order to ensure reliable operation of the BDI EMC runtimes etc the target cable length must not exceed 20 cm
21. ernal flash cpu clock is 32MHz CHIPTYPE CMFRSHD 32 program shadow information cpu clock is 32MHz WORKSPACE 0x00800000 workspace in target RAM for fast programming algorithm CHIPSIZE 0x20000 Ihe size of one flash chip in bytes e g AM29F040 0x80000 BUSWIDTH 16 Ihe width of the flash memory bus in bits 8 16 32 ERASE 0x000000FF Erase all CMFR blocks For SGFM flash MMC21 14 MMC2113 you can erase a block or a page CHIPTYPE SGFM 32 program internal flash system clock is 32MHz WORKSPACE 0x00800000 workspace in target RAM for fast programming algorithm ERASE 0x00000000 BLOCK erase 128k block 0 in MMC2114 ERASE 0x00020000 BLOCK erase 128k block 1 in MMC2114 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 26 Supported Flash Memories There are currently 3 standard flash algorithm supported The AMD Intel and Atmel AT49 algorithm Almost all currently available flash memories can be programmed with one of this algorithm The flash type selects the appropriate algorithm and gives additional information about the used flash For 8bit only flash select AM29F I28BX8 or AT49 For 8 16 bit flash in 8bit mode select AM29BX8 I28BX8 or AT49X8 For 8 16 bit flash in 16bit mode select AM29BX16 I28BX16 or AT49X16 For 16bit only flash select AM29BX16 I28BX16 or AT49X16 The AMD and AT49 algorithm are almost the
22. g this setup session Connect Click on this button to establish a connection with the BDI2000 loader Once connected the BDI2000 remains in loader mode until it is restarted or this dialog box is closed Current Press this button to read back the current loaded BDI2000 software and logic versions The current loader firmware and logic version will be displayed Update This button is only active if there is a newer firmware or logic version present in the execution directory of the bdiGDB setup software Press this button to write the new firmware and or logic into the BDI2000 flash mem ory programmable logic Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 17 BDI IP Address Subnet Mask Default Gateway Config Host IP Address Configuration file Transmit Enter the IP address for the BDI2000 Use the following format XXX XXX XXX XXX e 9 151 120 25 101 Ask your network administrator for assigning an IP address to this BDI2000 Every BDI2000 in your network needs a different IP address 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 Enter the IP address of the default gateway Ask your network administra tor for the correct gateway IP address If the
23. gateway feature is disabled you may enter 255 255 255 255 or any other value Enter the IP address of the host with the configuration file The configura tion file is automatically read by the BDI2000 after every start up Enter the full path and name of the configuration file e g D ada target config bdi evs332 cnf For information about the syntax of the configuration file see the bdiGDB User manual This name is transmitted to the TFTP server when reading the configuration file Click on this button to store the configuration in the BDI2000 flash memory 2 5 3 Recover procedure In rare instances you may not be able to load the firmware in spite of a correctly connected BDI error of the previous firmware in the flash memory Before carrying out the following procedure check the possibilities in Appendix Troubleshooting In case you do not have any success with the tips there do the following Switch OFF the power supply for the BDI and open the unit as described in Appendix Maintenance Place the jumper in the INIT MODE position Connect the power cable or target cable if the BDI is powered from target system emma a Switch ON the power supply for the BDI again and wait until the c LED MODE blinks fast ij o E INIT MODE Wi Q o Turn the power supply OFF again ec DEFAULT Return the jumper to
24. ing on the host After starting the debugger it must be connected to the remote target This can be done with the fol lowing command at the GDB prompt gdo target remote bdi2000 2001 bdi2000 This stands for an IP address The HOST file must have an appropriate entry You may also use an IP address in the form xxx xXxx XXX XXX 2001 This is the TCP port used to communicate with the BDI If not already suspended this stops the execution of application code and the target CPU changes to background debug mode Remember every time the application is suspended the target CPU is freezed During this time no hardware interrupts will be processed Note For convenience the GDB detach command triggers a target reset sequence in the BDI gdb gdb detach Wait until BDI has resetet the target and reloaded the image gdo target remote bdi2000 2001 Note After loading a program to the target you cannot use the GDB u 77 command to start execution You have to use the GDB continue command Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 30 3 3 3 Breakpoint Handling There are two breakpoint modes supported One of them SOFT is implemented by replacing appli cation code with a BKPT instruction The other HARD uses the built in breakpoint logic If HARD is selected only up to 2 breakpoints can be active at the same time The following exam
25. itzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual Z7 3 2 5 Part REGS In order to make it easier to access target registers via the Telnet interface the BDI can read ina register definition file In this file the user defines a name for the register and how the BDI should access it e g as memory mapped memory mapped with offset The name of the register defi nition file and information for different registers type has to be defined in the configuration file The register name type address offset number and size are defined in a separate register definition file This way you can create one register definition file for a specific target processor that can be used for all possible positions of the internal memory map You only have to change one entry in the configuration file An entry in the register definition file has the following syntax name type addr size name The name of the register max 12 characters type The register type GPR General purpose register AFR Alternate register CR Control register MM Absolute direct memory mapped register DMM1 DMMA Relative direct memory mapped register IMM1 IMM4 Indirect memory mapped register addr The address offset or number of the register size The size 8 16 32 of the register default is 32 The following entries are supported in the REGS part of the configuration file FILE filename The name of the register definition file This name is
26. ldi JTAG interface for GNU Debugger M CORE User Manual Manual Version 1 01 for BDI2000 NR N 91997 2002 by Abatron AG ZA for GNU Debugger BDIZ000 M CORE User Manual 2 pie 3 Tal BDI2000 UL CP RR PME 3 Tec BD OODNOHEAUOFIS S cohen Cae sees elena eere D otc ae eee as ene esto ada lea dde dM cde 4 2 VERS TAN AUN pese 5 2 1 Connecting the BDI2000 to Target 4 oec et ese hos Aung eee S ELA eee 5 2 1 1 Changing Target Processor Type scics ccsnaccepacesncuesaceacenvidecnedeasseacnsesdiieestacecteadecceenspeeaces 7 2 2 Connecting the BDI2000 to Power Supply eccccceeescceeeeeseeeeeeeeeneeeeeseeeeeeeeeeaaaeeeessaaeeeeeeaes 8 22 External Power Supply uci p tete e eet di deae ee de poles tete dust 8 2 2 2 Power Supply from Target System ssesssssssseeeeeeenere nennen 9 2 3 Status LED MODE 52 tod ds pp tu mec br pn bd IH In ocu iN Ecco DR oT dU Rut 10 2 4 Connecting the BDI2000 to Host itte Rr repe P Re E ERR DR Eie 11 24 1 Serial line comrmni6allol oui een rtr et Rime eter aee et tre pb eire nenene 11 2 4 2 Ethernet communication Jae Lev eas hak dente de o open Erste Ave A UR pam gen vate 12 2 5 Installation of the Configuration Software sssseeeeeeeeeeeeennneene 13 2 5 1 Configuration with a Linux Unix host ssssseeennme enne 14 2 5 2 Configuration with a WIndows NOSE uo iieri Ep arreeot to ebbe sse Meyda uon 16 2 5 3 HOCOVOIDIOCGO
27. lt file gt lt format gt verify a program file to target memory PROG lt offset gt lt file gt lt format gt program flash memory format SREC or BIN or AOUT or ELF ERASE lt address gt lt mode gt erase a flash memory sector chip or block mode CHIP BLOCK or SECTOR default is sector HOST ip change IP address of program file host PROMPT string defines a new prompt string CONFIG display BDI configuration HELP display command list QUIT terminate the Telnet session Notes The DUMP command uses TFTP to write a binary image to a host file Writing via TFTP on a Linux Unix system is only possible if the file already exists and has public write access Use man tftpd to get more information about the TFTP server on your host Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 33 4 Specifications Operating Voltage Limiting Power Supply Current RS232 Interface Baud Rates Data Bits Parity Bits Stop Bits Network Interface Serial Transfer Rate between BDI and Target Supported target voltage Operating Temperature Storage Temperature Relative Humidity noncondensing Size Weight without cables Host Cable length RS232 5 VDC 0 25 V typ 500 mA max 1000 mA 9 600 19 200 38 400 57 600 115 200 8 none 1 10 BASE T up to 16 Mbit s 1 8 5 0 V 3 0 5 0 V with Rev A B
28. n the target system runs with 5V and the pin Vcc Target is able to deliver a current up to 1A 5V For pin description and layout see chapter 2 1 Connecting the BDI2000 to Target Insert the enclosed Jumper as shown in figure below Please ensure that the jumper is inserted correctly A For error free operation the power supply to the BDI2000 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 BDI OPTION Connector BDI TRGT BDI MAIN BDI OPTION 13 14 2 T Jumper The green LEDs BDI and TRGT marked light up when target is powered up and the jumper is inserted correctly 13 Vcc Target 5V 14 Vcc BDI2000 5V POWER 3 i Connector 1 Vcc BDI2000 5V 5 2 Vcc Target 5V 3 Jumper POWER BDI TRGT The green LEDs BDI and TRGT marked light up when target is powered up and the jumper is inserted correctly Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 70 2 3 Status LED MODE The built in LED indicates the following BDI states Rev B C MODE LED BDI STATES The BDI is ready for use the firmware is already loaded The power supply for the BDI2000 is lt 4 75VDC The BDI loader mode is active an invalid firmware
29. nt gt modify byte s 8bit in target memory MC lt address gt lt count gt calculates a checksum over a memory range MV verifies the last calculated checksum RD lt nbr gt 4 lt name gt display general purpose or user defined register RDUMP lt file gt dump all user defined register to a file RDA display alternate register file RDC display control registers RI nbr z name value modify general purpose or user defined register RMA number value modify alternate register RMC number value modify control register BOOT reset the BDI and reload the configuration RESET HALT RUN time reset the target system change startup mode GO lt pc gt set PC and start target system ET lt pc gt single step an instruction HALT force target to enter debug mode BI from lt to gt lt count gt set instruction hardware breakpoint BD R W lt addr gt lt count gt set data watchpoint 32bit access BDH R W lt addr gt lt count gt set data watchpoint 16bit access BDB R W lt addr gt lt count gt set data watchpoint 8bit access BC kid clear breakpoint s INFO display information about the current state LOAD lt offset gt lt file gt lt format gt load program file to target memory VERIFY lt offset gt
30. onsole 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 CMftp and its subdirectories As file name use relative names For example bdi mpc750 cfg accesses C tftp bdi mpc750 cfg You may enter the TFTP server into the Startup group so the server is started every time you logon Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 79 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 initial configuration valid no activate BDI2000 loader Get configuration file via TFTP Power OFF Process target init list Load program code via TFTP and set the PC RUN selected l Start loaded program code o Process GDB request Power OFF
31. parameters a and t the tool selects the correct firmware logic files If the firmware logic files are in the same directory as the setup tool there is no need to enter a d parameter rootQLINUX 1 bdisetup bdisetup u p dev ttyS0 b57 aGDB tMCORE Connecting to BDI loader Erasing CPLD Programming firmware with b20mmcgd 100 Programming CPLD with mmcjed21 100 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 15 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 BDI2000 Ask your network administrator for as signing an IP address to this BDI2000 Every BDI2000 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 th
32. ple selects SOFT as the breakpoint mode BREAKMODE SOFT SOFT or HARD HARD uses hardware breakpoints GDB versions before V5 0 GDB inserts breakpoints by replacing code via simple memory read write commands There is no command like Set Breakpoint defined in the GDB remote protocol When breakpoint mode HARD is selected the BDI checks the memory write commands for such hidden Set Breakpoint actions If such a write is detected the write is not performed and the BDI sets an appropriate hardware breakpoint The BDI assumes that this is a Set Breakpoint action when memory write length is 2 bytes and the pattern to write is the BKPT instruction GDB version V5 x GDB version 5 x uses the Z packet to set breakpoints watchpoints For software breakpoints the BDI replaces code with BKPT instruction When breakpoint mode HARD is selected the BDI sets an appropriate hardware breakpoint 3 3 4 GDB monitor command The BDI supports the GDB V5 x monitor command Telnet commands are executed and the Telnet output is returned to GDB gdb target remote bdi2000 2001 Remote debugging using bdi2000 2001 0x10b2 in start gdb monitor md 0 1 00000000 0xe59ff018 442503144 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 31 3 4 Telnet Interface A Telnet server is integrated within the BDI The Telnet channel is used by the BDI to output error message
33. rithm is pro cessed within the BDI The workspace is used for a 1kByte data buffer and to store the algorithm code There must be at least 2kBytes of RAM avail able for this purpose Programming internal flash also needs a workspace in target RAM address the address of the RAM area Example WORKSPACE 0x00800000 ERASE address mode The flash memory may be individually erased via the Telnet interface In order to make erasing of multiple flash sectors easier you can enter an erase list All entries in the erase list will be processed if you enter ERASE at the Telnet prompt without any parameter For internal flash this para meter has a different meaning See below address Address of the flash sector block or chip to erase mode BLOCK CHIP Without this optional parameter the BDI executes a sec tor erase If supported by the chip you can also specify a block or chip erase Example ERASE 0x05040000 erase sector 4 of flash ERASE 0x05060000 erase sector 6 of flash ERASE 0x05000000 CHIP erase whole chip s For the MMC2107 internal flash the BDI assumes the following structure of the address 16 bit 8 bit 8 bit module address lt reserved gt block 0 7 module address The 16 most significant bits of the flash module address block The bit mask to select the flash block to erase Bit ordering is the same as in the CMFRCTL register see MMC2107 manual FLASH CHIPTYPE CMFR 32 program int
34. s and other information Also some basic debug tasks may be done by using this interface Enter help at the Telnet command prompt to get a list of the available commands Telnet Debug features Display and modify memory locations Display and modify registers Single step a code sequence Set hardware breakpoints for code and data accesses Load a code file from any host Start Stop program execution Programming and Erasing Flash memory During debugging with GDB the Telnet is mainly used to reboot the target generate a hardware reset and reload the application code It may be also useful during the first installation of the bdiGDB sys tem or in case of special debug needs Because the Telnet server within the BDI generates no echo enable local echo at your Telnet client Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 32 3 4 1 Command list MD lt address gt lt count gt display target memory as word 32bit MDH lt address gt lt count gt display target memory as half word 16bit MDB lt address gt lt count gt display target memory as byte 8bit DUMP lt addr gt size lt file gt dump target memory to a file MM addr value cnt modify word s 32bit in target memory MMH lt addr gt value lt cnt gt modify half word s 16bit in target memory MMB lt addr gt value lt c
35. same The only difference is that the AT49 algorithm does not check for the AMD status bit 5 Exceeded Timing Limits Only the AMD and AT49 algorithm support chip erase Block erase is only supported with the AT49 algorithm If the algorithm does not support the selected mode sector erase is performed If the chip does not support the selected mode erasing will fail The erase command sequence is different only in the 6th write cycle Depending on the selected mode the following data is written in this cycle see also flash data sheets 0x10 for chip erase 0x30 for sector erase 0x50 for block erase The following table shows some examples Chipsize Am29F010 AM29F 0x020000 Am29F800B AM29BX8 AM29BX16 0x100000 Am29DL323C AM29BX8 AM29BX16 0x400000 Intel 28F032B3 I28BX8 0x400000 Intel 28F640J3A I28BX8 I28BX16 0x800000 Intel 28F320C3 128BX16 0x400000 AT49BV040 AT49 0x080000 AT49BV1614 AT49X8 AT49X16 0x200000 SST39VF160 AT49X16 0x200000 MMC2107 internal flash CMFR Note Some Intel flash chips e g 28F800C3 28F160C3 28F320C3 power up with all blocks in locked state In order to erase program those flash chips use the init list to unlock the appropriate blocks WM16 OxFFF00000 0x0060 unlock block 0 WM16 OxFFF00000 0x00D0 WM16 OxFFF10000 0x0060 unlock block 1 WM16 OxFFF10000 0x00D0 WM16 OxFFF00000 OxFFFF select read mod Copyright 1997 2002 by ABATRON AG Sw
36. se T ethernet connector The firmware and the programable logic of the BDI2000 can be updated by the user with a simple Windows Linux based configuration program The BDI2000 supports 1 8 5 0 Volts target systems 3 0 5 0 Volts target systems with Rev A B Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ZA for GNU Debugger BDIZ000 M CORE User Manual 4 1 2 BDI Configuration As an initial setup the IP address of the BDI2000 the IP address of the host with the configuration file and the name of the configuration file is stored within the flash of the BDI2000 Every time the BDI2000 is powered on it reads the configuration file via TFTP Following an example of a typical configuration file bdiGDB configuration file MMCEVB2107 board INIT WM16 0x00C70000 Ox000E WCR disable watchdog WM16 0x00C30000 0x2000 SYNCR speed up clock to 32MHz WM16 0x00C20000 0x3303 CSCRO external flash WM16 0x00C20002 0x3303 CSCRI WM16 0x00C20004 0x3303 CSCR2 external SRAM WM16 0x00C20006 0x3703 CSCR3 WGPR 0 0x00000000 R0 Stackpointer 0 r WM32 0Ox00D00000 0x00000000 CMFRMCR enable flash array WM32 0x00D00000 0x08000000 CMFRMCR enable flash array enable shadow information WM8 0x817FFFFD 0x10 MMIO enable programming voltage DELAY 100 Delay aft
37. t a commercially available media converter BNC gt 10 BASE T between your network and the BDI2000 Contact your network administrator if you have questions about the network 10 BASE T Connector 1 TD 2 TD 3 RD Target System 6 RD Rev B C PC Host mm The following explains the meanings of the built in LED lights TX RX 10 BASE T L TX RX 10 BASE T BDI2000 Ethernet 10 BASE T C LED Name Description LI Link When this LED light is ON data link is successful between the UTP port of the BDI2000 and the hub to which it is connected TX Transmit When this LED light BLINKS data is being transmitted through the UTP port of the BDI2000 RX Receive When this LED light BLINKS data is being received through the UTP port of the BDI2000 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 73 2 5 Installation of the Configuration Software On the enclosed diskette you will find the BDI configuration software and the firmware required for the BDI2000 For Windows NT users there is also a TFTP server included The following files are on the diskette b20mmcgd exe b20mmcgd hlp b20mmcgd xxx mmcjed20 xxx mmcjed21 xxx tftpsrv exe cfg def bdisetup zip Windows configuration program Windows help file for the configuration program Firmware for the BDI2000 JED
38. t any parameter displays information about the syntax and parameters A To avoid data line conflicts the BDI2000 must be disconnected from the target system while programming the logic for an other target CPU see Chapter 2 1 1 Following the steps to bring up a new BDI2000 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 0O2 c o bdisetup o bdisetup c cc 0O2 c o bdicnf o bdicnf c cc 0O2 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 rootQLINUX 1 bdisetup bdisetup v p dev ttyS0 b57 BDI Type BDI2000 Rev C SN 92152150 Loader 1305 Firmware unknown Logic unknown MAC ioff ff ff ff ff ff IP Addr 2 255 255 255 255 Subnet t 259r 205972994299 Gateway 255 255 255 255 Host IP 255 255 255 255 Config f 22 2 2 2 2 22 22 2 22 3 Load Update the BDI firmware logic With bdisetup u the firmware is loaded and the CPLD within the BDI2000 is programmed This con figures the BDI for the target you are using Based on the
39. the DEFAULT position Reassemble the unit as described in Appendix Maintenance Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 78 2 6 Testing the BDI2000 to host connection After the initial setup is done you can test the communication between the host and the BDI2000 There is no need for a target configuration file and no TFTP server is needed on the host If not already done connect the bdiGDB system to the network Power up the BDI2000 Start a Telnet client on the host and connect to the BDI2000 the IP address you entered dur ing initial configuration e If everything is okay a sign on message like BDI Debugger for XScale should be displayed in the Telnet window 2 7 TFTP server for Windows NT 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 NT Abatron provides a TFTP server appli cation tftpsrv exe This WIN32 console application runs as normal user application not as a system service 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 c
40. the program counter it self e g GDB 4 17 HARD In this mode the M Core breakpoint hardware is used Only 2 breakpoints at a time is supported Example BREAKMODE HARD Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 23 3 2 3 Part HOST The part HOST defines some host specific values IP ipaddress The IP address of the host ipaddress the IP address in the form xxx oo Xxx xxx Example IP 151 120 25 100 FILE filename The file name of the program file This name is used to access the appli cation file via TFTP filename the filename including the full path Example FILE F gnu demo xscale test elf FORMAT format offset The format of the image file and an optional load address offset If the im age is already stored in ROM on the target select ROM as the format The optional parameter offset is added to any load address read from the im age file format SREC BIN AOUT ELF or ROM Example FORMAT ELF FORMAT ELF 0x10000 LOAD mode In Agent mode this parameters defines if the code is loaded automatically after every reset mode AUTO MANUAL Example LOAD MANUAL START address The address where to start the program file If this value is not defined and the core is not in ROM the address is taken from the code file If this value is not defined and the core is already in ROM the PC will not be set before starting the target This means the program starts
41. used to access the file via TFTP The file is loaded once during BDI startup filename the filename including the full path Example FILE C bdi regs reg2107 def DMMn base This defines the base address of direct memory mapped registers This base address is added to the individual offset of the register base the base address Example DMM 1 0x01000 IMMn adar data This defines the addresses of the memory mapped address and data reg isters of indirect memory mapped registers The address of a IMMn regis ter is first written to addr and then the register value is access using data as address addr the address of the Address register data the address of the Data register Example DMM 1 0x04700000 Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 28 Example for a register definition Entry in the configuration file REGS FILE E cygwin home bdidemo mcore reg2107 def The register definition file name type addr size r Ports porta 0x00c00000 8 portb 0x00c00001 8 clrh 0x00c0002b 8 clri 0x00c0002c 8 pcdpar 0x00c00030 8 pepar 0x00c00031 8 Chip Configuration ccr 0x00c10000 16 rcon 0x00c10004 16 Gir 0x00c10006 16 ctr 0x00c10008 16 Chip Selects cscrO 0x00c20000 16 cscrl 0x00c20002 16 cscr2 0x00c20004 16 cscr3 0x00c20006 16 gt Clocks syncr 0x00c30000 16 synsr 0x00c30002 8 syntr 0x00c30003 8 syntr2 0x
42. wing the date of purchase when used under normal conditions In the event of notification within the warranty period of defects in material or workmanship ABATRON will replace defective diskette cable BDI2000 or documentation The remedy for breach of this warranty shall be limited to replacement and shall not encompass any other damages includ ing but not limited loss of profit special incidental consequential or other similar claims ABATRON Switzerland specifically disclaims all other warranties expressed or implied including but not limited to implied warranties of merchantability and fitness for particular purposes with respect to defects in the diskette cable BDI2000 and documentation and the program license granted here in including without limitation the operation of the program with respect to any particular application use or purposes In no event shall ABATRON be liable for any loss of profit or any other commercial damage including but not limited to special incidental consequential or other damages Failure in handling which leads to defects are not covered under this warranty The warranty is void under any self made repair operation except exchanging the fuse Copyright 1997 2002 by ABATRON AG Switzerland V 1 01 ldi for GNU Debugger BDIZ000 M CORE User Manual 36 Appendices A Troubleshooting Problem The firmware can not be loaded Possible reasons The BDI is not correctly connected with the
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