[ECOS] RedBoot load problem

[ECOS] RedBoot load problem

[Edgar Grimberg]

Hi,

I have a fresh RedBoot (taken from CVS about 2 weeks ago) and a eb40 
like board. I built it as ROM startup and loaded it to the board with 
BDI2000. I get the prompt and I can issue commands...
When I try to load something into RAM, using load command, I don't see 
any bytes loading. For example:

RedBoot> load -m ymodem -b %{FREEMEMLO} -r

gives me the "C" in console, and on the file transfer window from 
minicom I get:

Retry 0: NAK on sector

until it gives me:

Retry 0: Retry Count Exceeded

Any hints?

Regards,
Edgar

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Re: [ECOS] RedBoot load problem

[Wolfgang Köbler]

Hi,

On 22-Jul-2005 Edgar Grimberg wrote:
> I have a fresh RedBoot (taken from CVS about 2 weeks ago) and a eb40 
> like board. I built it as ROM startup and loaded it to the board with 
> BDI2000. I get the prompt and I can issue commands...
> When I try to load something into RAM, using load command, I don't see 
> any bytes loading. For example:
> 
> RedBoot> load -m ymodem -b %{FREEMEMLO} -r
> gives me the "C" in console, and on the file transfer window from 
> minicom I get:
> Retry 0: NAK on sector
> until it gives me:
> Retry 0: Retry Count Exceeded
Have you ever successfully uploaded s.th. to this board via ymodem ?
Have you tried xmodem ? Have you tried a minicom-alternaitve ? Have you tried
sb without minicom, like "sb filenameandoptions < /dev/ttyS0 > /dev/ttyS0" ?

As curiosity, does it help if you disconnect the serial cable as soon as you
get "C", then start the minicom-filetransfer, and then reconnect the cable ?

I do not know eb40 details and I do not yet know RedBoot details, but I know
there have been some strange interaction problems with minicom and sx
(xmodem) when using at91rm9200 firmware. One solution can be found there:
http://www.koansoftware.com/en/art.php?art=68
see also: (including arm linux mailing list archive discussion)
http://www.google.com/search?q=at91rm9200+xmodem+minicom+problem&hl=en&lr=&fil
ter=0


But maybe someone who knows eb40 and redboot better than me can help you
better.


Bye,
Wolfgang


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Re: [ECOS] RedBoot load problem

[Edgar Grimberg]

Hi,

Thanks for the response. I have already tried some of the alternatives, 
but without success.. (event running hyperterm on a Win machine). The 
only thing I didn't tried until now was to change the serial port speed 
in redboot and minicom (dooh!). If I change this to 19200, the transfer 
works OK, on 38400 bps it seems that I am loosing characters. I will dig 
deeper to find the problem, because I think that 38400 is not too speedy.

Regards,
Edgar


Wolfgang Köbler wrote:

>Hi,
>
>On 22-Jul-2005 Edgar Grimberg wrote:
>  
>
>>I have a fresh RedBoot (taken from CVS about 2 weeks ago) and a eb40 
>>like board. I built it as ROM startup and loaded it to the board with 
>>BDI2000. I get the prompt and I can issue commands...
>>When I try to load something into RAM, using load command, I don't see 
>>any bytes loading. For example:
>>
>>RedBoot> load -m ymodem -b %{FREEMEMLO} -r
>>gives me the "C" in console, and on the file transfer window from 
>>minicom I get:
>>Retry 0: NAK on sector
>>until it gives me:
>>Retry 0: Retry Count Exceeded
>>    
>>
>Have you ever successfully uploaded s.th. to this board via ymodem ?
>Have you tried xmodem ? Have you tried a minicom-alternaitve ? Have you tried
>sb without minicom, like "sb filenameandoptions < /dev/ttyS0 > /dev/ttyS0" ?
>
>As curiosity, does it help if you disconnect the serial cable as soon as you
>get "C", then start the minicom-filetransfer, and then reconnect the cable ?
>
>I do not know eb40 details and I do not yet know RedBoot details, but I know
>there have been some strange interaction problems with minicom and sx
>(xmodem) when using at91rm9200 firmware. One solution can be found there:
>http://www.koansoftware.com/en/art.php?art=68
>see also: (including arm linux mailing list archive discussion)
>http://www.google.com/search?q=at91rm9200+xmodem+minicom+problem&hl=en&lr=&fil
>ter=0
>
>
>But maybe someone who knows eb40 and redboot better than me can help you
>better.
>
>
>Bye,
>Wolfgang
>
>  
>


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Re: [ECOS] Redboot load problem

[Michael Anburaj]

Hi Swaroop/Dhiraj,

I have text files explaining the issues connected to this (for both 
downloading SREC & BIN) at my site. I will extend it for elf files sooner.

The start address used for ‘go’ need not be same as the load address. So, 
you are better of loading a SREC, which would contain both these addresses 
in it (so, need not explicitly specify). I would imagine the same for elfÂ’s 
too.

Cheers,
-Mike.

>From: swaroop deshmukh <embeddedsys03@yahoo.com>
>To: embeddedeng@hotmail.com, gary@mlbassoc.com
>Subject: Re: [ECOS] Redboot load problem
>Date: Wed, 20 Aug 2003 21:31:20 -0700 (PDT)
>
>Hi Michael and Gary
>
>Thanks for your help.
>
>But we still have some problems with that.
>
>We are using Redboot platform to load and execute applications on the ARM 
>_eval 7T boards.
>
>We are able to transfer our executable file in the RAM by using
>1. "load -r -m xmodem -b 0x10000" command of RedBoot
>2. Using file transfer option in C-kermit ( hyperterminal equivalent in 
>linux )
>
>We are not able to execute this application by giving the
>"go 0x10000 " or simply the "go " command in RedBoot.
>
>We used the executable file that we get after using the
>"arm-elf-gcc ..........." command.
>
>We also tried to remove the debug information using " arm-elf-strip" 
>command and transfer the executable file of smaller size. Still it doesn't 
>work.
>
>Is there any other way we could do it?
>
>Swaroop, Dhiraj.
>--------------------------------------------------------------------------------------------------------------------------------
>
>
>
>On Tue, 2003-08-19 at 18:56, Michael Anburaj wrote:
> > Hi Dhiraj,
> >
> > 2 things to note.
> >
> > >RedBoot> load -v -b 0x10000 pascal.elf -m xmodem
> >
> > Load either an SREC or binary file (not an elf). ELF images contain 
>headers
> > & debug info embedded in it.
> >
>
>True, and RedBoot handles ELF files just fine :-)
>
> > Example:
> > load -m xmodem
> > or
> > load -r -m xmodem -b 0x10000
> >
> > 1st one for srec images & the second one for binary images.
> >
> > >CCCCCCCCCCan't load 'pascal.elf': Timed out
> > >The loading is timed out.
> > >Can anyone help??
> >
> > After issuing this command, you need to send the actual image (srec or 
>.bin
> > file) over xmodem protocol <use Hyperterminal (windows) or minicon 
>(linux)>.
> >
>
>This is the key.  RedBoot has no way to tell your host to start
>sending the data - you have to do that. For example, in 'minicom'
>when you issue the ^A-S command.
>
> > Refer to the docs at my page:
> > http://geocities.com/michaelanburaj/ecos/index.html
> >
>
>--
>Gary Thomas <gary@mlbassoc.com>
>MLB Associates
>
>
>
>
>
>---------------------------------
>Do you Yahoo!?
>Yahoo! SiteBuilder - Free, easy-to-use web site design software

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Re: [ECOS] Redboot load problem

[Gary Thomas]

On Tue, 2003-08-19 at 18:56, Michael Anburaj wrote:
> Hi Dhiraj,
> 
> 2 things to note.
> 
> >RedBoot> load -v -b 0x10000 pascal.elf -m xmodem
> 
> Load either an SREC or binary file (not an elf). ELF images contain headers 
> & debug info embedded in it.
> 

True, and RedBoot handles ELF files just fine :-)

> Example:
> load -m xmodem
> or
> load -r -m xmodem -b 0x10000
> 
> 1st one for srec images & the second one for binary images.
> 
> >CCCCCCCCCCan't load 'pascal.elf': Timed out
> >The loading is timed out.
> >Can anyone help??
> 
> After issuing this command, you need to send the actual image (srec or .bin 
> file) over xmodem protocol <use Hyperterminal (windows) or minicon (linux)>.
> 

This is the key.  RedBoot has no way to tell your host to start
sending the data - you have to do that. For example, in 'minicom'
when you issue the ^A-S command.

> Refer to the docs at my page:
> http://geocities.com/michaelanburaj/ecos/index.html
> 

-- 
Gary Thomas <gary@mlbassoc.com>
MLB Associates


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Re: [ECOS] Redboot load problem

[Michael Anburaj]

Hi Dhiraj,

2 things to note.

>RedBoot> load -v -b 0x10000 pascal.elf -m xmodem

Load either an SREC or binary file (not an elf). ELF images contain headers 
& debug info embedded in it.

Example:
load -m xmodem
or
load -r -m xmodem -b 0x10000

1st one for srec images & the second one for binary images.

>CCCCCCCCCCan't load 'pascal.elf': Timed out
>The loading is timed out.
>Can anyone help??

After issuing this command, you need to send the actual image (srec or .bin 
file) over xmodem protocol <use Hyperterminal (windows) or minicon (linux)>.

Refer to the docs at my page:
http://geocities.com/michaelanburaj/ecos/index.html

Cheers,
-Mike.

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[ECOS] Redboot load problem

[Dhiraj Bawadhankar]

Hello
I am trying to use the redboot load command to load an application on arm 
evaluator 7t board through a serial connection. For this i am using the 
following command
RedBoot> load -v -b 0x10000 pascal.elf -m xmodem
CCCCCCCCCCan't load 'pascal.elf': Timed out
The loading is timed out.
Can anyone help??

Dhiraj Bawadhankar

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Re: [ECOS] RedBoot load problem

[Jonathan Larmour]

Martin Schoeberl wrote:
>>
>>The problem has changed: I enabled 'Validate RAM addresses duringload' for
>>RedBoot and got the message:
>>*** Abort! Attempt to load S-record to address: 0x00108000, which is not
> 
> in
> 
>>RAM
>>
>>version shows:
>>RAM: 0x00000000-0x000a0000, 0x0008ab30-0x000a0000 available
>>
>>But the pc has 24MB of ram. How can I change this that RedBoot recognizes
>>ram above 0x100000.

There's an outstanding bug that RedBoot can't deal with non-contiguous 
RAM. That's the only reason the validate RAM option even exists.

As you can see with the redboot .ecm files in the PC target, the option to 
validate RAM addresses is disabled for the PC for exactly this reason.

> Half a solution:
> I disabled 'validate RAM...' again and tried a different PC -> it works.
> Tried GDB -> also OK
> switched back to my old 486SX and loaded the program with GDB -> also OK!!!
> 
> What's the difference from downloading with hyperterm and with gdb?

With GDB it never checks the RAM addresses - it tries it and sees if the 
write works. Also GDB uses an entirely separate protocol.

Jifl
-- 
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--[ "You can complain because roses have thorns, or you ]--
--[  can rejoice because thorns have roses." -Lincoln   ]-- Opinions==mine


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Re: [ECOS] RedBoot load problem

[Nick Garnett]

"Martin Schoeberl" <martin.schoeberl@chello.at> writes:

> I'm using an old 486 notebook for first tests. I've installed the eCos
> version from the book 'Embedded Software Dev. w. eCos'. Everything works
> fine till the download of the first example via Hyperterminal. The download
> starts but after about 20KB it stops and host and traget run into timeouts.
> 

The most common cause of this sort of thing is that the application is
being loaded over the top of RedBoot. The download fails when it
overwrites a piece of code or data that is being used by the download.

Check that the application has not been built with FLOPPY startup, but
with RAM startup; and that you are using a fresh build directory, not
the same one redboot was built in.

-- 
Nick Garnett                    eCos Kernel Architect
http://www.ecoscentric.com/     The eCos and RedBoot experts


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Re: [ECOS] RedBoot load problem

[Martin Schoeberl]

> > > I'm using an old 486 notebook for first tests. I've installed the eCos
> > > version from the book 'Embedded Software Dev. w. eCos'. Everything
works
> > > fine till the download of the first example via Hyperterminal. The
> download
> > > starts but after about 20KB it stops and host and traget run into
> timeouts.
> > >
> > > Martin
> >
> > I found that I needed to apply this patch to get serial downloads to
> > work in any useful way on my i386 target boards. I'm not sure why they
> > were disabled (I think someone told me but I can't remember that long
> > ago), but everything works fine for me with them turned on.
> >
> > Ian.
>
> The problem has changed: I enabled 'Validate RAM addresses duringload' for
> RedBoot and got the message:
> *** Abort! Attempt to load S-record to address: 0x00108000, which is not
in
> RAM
>
> version shows:
> RAM: 0x00000000-0x000a0000, 0x0008ab30-0x000a0000 available
>
> But the pc has 24MB of ram. How can I change this that RedBoot recognizes
> ram above 0x100000.
>
> Martin

Half a solution:
I disabled 'validate RAM...' again and tried a different PC -> it works.
Tried GDB -> also OK
switched back to my old 486SX and loaded the program with GDB -> also OK!!!

What's the difference from downloading with hyperterm and with gdb?
Why do I have to disable 'validate RAM..' for the pc target?

Martin


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Re: [ECOS] RedBoot load problem

[Martin Schoeberl]

> On Thu, 2003-05-22 at 09:47, Martin Schoeberl wrote:
> > I'm using an old 486 notebook for first tests. I've installed the eCos
> > version from the book 'Embedded Software Dev. w. eCos'. Everything works
> > fine till the download of the first example via Hyperterminal. The
download
> > starts but after about 20KB it stops and host and traget run into
timeouts.
> >
> > Martin
>
> I found that I needed to apply this patch to get serial downloads to
> work in any useful way on my i386 target boards. I'm not sure why they
> were disabled (I think someone told me but I can't remember that long
> ago), but everything works fine for me with them turned on.
>
> Ian.

The problem has changed: I enabled 'Validate RAM addresses duringload' for
RedBoot and got the message:
*** Abort! Attempt to load S-record to address: 0x00108000, which is not in
RAM

version shows:
RAM: 0x00000000-0x000a0000, 0x0008ab30-0x000a0000 available

But the pc has 24MB of ram. How can I change this that RedBoot recognizes
ram above 0x100000.

Martin


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Re: [ECOS] RedBoot load problem

[Ian Campbell]

On Thu, 2003-05-22 at 09:47, Martin Schoeberl wrote:
> I'm using an old 486 notebook for first tests. I've installed the eCos
> version from the book 'Embedded Software Dev. w. eCos'. Everything works
> fine till the download of the first example via Hyperterminal. The download
> starts but after about 20KB it stops and host and traget run into timeouts.
> 
> Martin

I found that I needed to apply this patch to get serial downloads to
work in any useful way on my i386 target boards. I'm not sure why they
were disabled (I think someone told me but I can't remember that long
ago), but everything works fine for me with them turned on.

Ian.

Index: hal/i386/pcmb/current/src/pcmb_serial.c
===================================================================
RCS file:
/cvs/ecos/ecos/packages/hal/i386/pcmb/current/src/pcmb_serial.c,v
retrieving revision 1.5
diff -u -b -B -w -p -u -r1.5 pcmb_serial.c
--- hal/i386/pcmb/current/src/pcmb_serial.c     23 May 2002 23:03:16
-0000
1.5
+++ hal/i386/pcmb/current/src/pcmb_serial.c     14 May 2003 06:00:50
-0000
@@ -170,7 +170,8 @@ cyg_hal_plf_serial_init_channel(void* __
     HAL_READ_UINT8(base+CYG_DEV_LSR, lsr);
     ((channel_data_t*)__ch_data)->valid = (lsr != 0xFF);
      
-//    HAL_WRITE_UINT8(base+CYG_DEV_FCR, 0x07);  // Enable & clear FIFO
+    HAL_WRITE_UINT8(base+CYG_DEV_FCR, 0x07);  // Enable & clear FIFO
+
 }


-- 
Ian Campbell
Design Engineer

Arcom                                   Direct: +44 (0)1223 403 465
Clifton Road                            Phone:  +44 (0)1223 411 200
Cambridge CB1 7EA                       E-Mail: icampbell@arcom.com
United Kingdom                          Web:    http://www.arcom.com




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[ECOS] RedBoot load problem

[Martin Schoeberl]

I'm using an old 486 notebook for first tests. I've installed the eCos
version from the book 'Embedded Software Dev. w. eCos'. Everything works
fine till the download of the first example via Hyperterminal. The download
starts but after about 20KB it stops and host and traget run into timeouts.

Martin


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