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Re: It's very strange about the TFTP load code!
- From: Gary Thomas <gary at mlbassoc dot com>
- To: twomol <twomol at bj1860 dot net>
- Cc: eCos Discussion <ecos-discuss at ecos dot sourceware dot org>
- Date: Sat, 18 Jun 2005 10:55:12 -0600
- Subject: Re: [ECOS] It's very strange about the TFTP load code!
- References: <20050618145824.CXP22651.fep2.bj1860.net@bit>
On Sat, 2005-06-18 at 23:05 +0800, twomol wrote:
> Allïhelloï
> I'm using mx1ads with redboot downloaded from freescale.com. May be I am supposed to consult freescale not here. But it's about the common tftp code.So if
> any one could help ,I'll be very appreciate!
> I can't use tftp to load file from host:
> -----------------------------------------------------
> RedBoot> load -r -b 0x50000 redboot.bin
> Using default protocol (TFTP)
> Can't load 'redboot.bin': illegal TFTP operation
> -----------------------------------------------------------
> I checked the source , "There is no function set" equal to "TFTP_EBADOP" defined in tftp_surppot.h. but I didn't find any function have code to set the feild 'err' of 'getc_info' with this value.
> I found that the error messge is printed by the following code (in redboot_gec_init):
>
> res = (funcs->open)(info, &getc_info.err);
> if (res < 0) {
> diag_printf("Can't load '%s': %s\n", info->filename, (funcs->error)(getc_info.err));
> return res;
> }
>
> I didn't found any code in the tftp_stream_open function set the err with TFTP_EBADOP.
> I use multiice-gdb-server and insight to debug this code , from insight ,I found that sometims funcs->open's value isn't
> the address of tftp_stream_open, and it's not a fixed value.
> After return from funcs->open, the getc_info.err become 4 (i.e.TFTP_EBADOP).
> My toolchain is the one downloaded from ecoscentirc.com
> I can load file use xmodem and http protocol.
> Any ideas?
> Much Thanks!
This sounds like a TFTP server problem. It may be permissions
as Andrew suggested, or some TFTP servers insist that you use
the entire path name, starting with a "/" Check your TFTP
server setup.
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
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