[ECOS] eCos Romable ? (on AT91EB55)

[Gary Thomas]

On Fri, 2005-05-06 at 16:35 +0200, Gatien Gillon wrote:
> 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

Use the -b option to tell RedBoot where to load the code into RAM.
When you boot, RedBoot will tell you a sensible address to use.

  RedBoot> lo -b 0x????? -m xm

> 
> >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
> >
> >
> 
> 

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


-- 
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