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re:Re: re:Re: eCos Romable ? (on AT91EB55)
- From: Gatien Gillon <ggillon at ulb dot ac dot be>
- To: Gary Thomas <gary at chez-thomas dot org>
- Cc: ecos-discuss at ecos dot sourceware dot org
- Date: Fri, 6 May 2005 16:35:06 +0200 (MEST)
- Subject: re:Re: re:Re: [ECOS] eCos Romable ? (on AT91EB55)
I used the command arm-elf-objcopy -S
I get a 135 kb file
when I send it I get this error :
*** Abort! Attempt to load ELF data to address: 0x0301c000 which is not in RAM
xyzModem - CRC mode, 1(SOH)/128(STX)/0(CAN) packets, 3 retries
I'm can feel I'm nearly there, thanks
>On Fri, 2005-05-06 at 16:08 +0200, Gatien Gillon wrote:
>> I don't have a JTAG
>>
>> When I compile I get a big image 835 kb wich is too big to
>> send. what command emust I type to get a smaller image so I
>> can send it to redboot : with load ymodem and then write it
>> with fi wr to the ROM ?
>
>Your image isn't really that big (at least according to the GDB
>load info you just sent, it's less than 90KB) The rest is ELF
>overhead (mostly debug info)
>
>Use arm-elf-objcopy (look at the CDL for some examples) to strip
>this down to the raw binary. That's what you want to download and
>then write to FLASH.
>
>>
>> Does anybody know the adresse of the EB55 board ?
>>
>> (I'm really lost I'm quite a newby)
>>
>> >
>> >Here is the way I do it.
>> >
>> >If you are not retaining Redboot, rebuild eCos lib with ROM startup.
>> >Compile / link your program to the ROM eCos lib. Strip your executible of debugging
>> >/ symbols (arm-elf-objcopy). Use a JTAG flash loader to program your
>> >application to 0x10000000 (start of ROM). Done. Resetting the board
>> >should run the program.
>> >
>> >If you want to retain Redboot, modify the .ldi file in HAL to a ROM
>> >address just above the Redboot sectors. Rebuild eCos with ROM
>> >startup. Compile / link your program to the ROM eCos lib. Strip your executible of debugging
>> >/ symbols. Use a JTAG flash loader to program your
>> >application to the start sectors just past Redboot sectors.
>> >Use the Redboot 'fconfig' script command to have Redboot to 'go' to the
>> >start of the application.
>> >
>> >If you don't have a JTAG / loader, use redboot 'load' to temperarly put
>> >the executable into some unused RAM space. Then use 'fis write' to put the
>> >program into the ROM start location.
>> >
>> >
>> >-S
>> >
>> >On Fri, 6 May 2005, Gatien Gillon wrote:
>> >
>> >> The plateforme is AT91EB55
>> >> I have my application I've debugged it using redboot sending it with GDB now I'd like to put it a the FLASH memory so that when I reset my board my app starts immediatly without having to send it using GDB
>> >>
>> >> >On Fri, 2005-05-06 at 14:22 +0200, Gatien Gillon wrote:
>> >> >> How can I put eCos in a way it starts automatically on
>> >> >> a reboot without having to send an image using GDB ?
>> >> >
>> >> >This is [normally] a supported way of configuring eCos programs.
>> >> >
>> >> > CYG_HAL_STARTUP = ROM
>> >> >
>> >> >What platform/target?
>> >> >
>> >> >--
>> >> >------------------------------------------------------------
>> >> >Gary Thomas | Consulting for the
>> >> >MLB Associates | Embedded world
>> >> >------------------------------------------------------------
>> >> >
>> >> >
>> >> >--
>> >> >Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>> >> >and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>> >> and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>> >>
>> >>
>> >>
>> >
>> >
>>
>>
>>
>--
>Gary Thomas <gary@chez-thomas.org>
>
>
>--
>Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
>and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
>
>
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
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