[ECOS] Simulator problems on EB40a

Gary Thomas gary@mlbassoc.com
Fri Apr 23 18:21:00 GMT 2004

On Fri, 2004-04-23 at 05:59, Martin wrote:
> Regards
> I am trying to run the classic В”hello worldВ” on a simulator for EB40a. I
> have done the following:
> 1) Compiled the ecos: Template: В“EB40aВ”, startup type В“romВ”, build library
> 2) Linked and compiled the program: В“arm-elf-gcc -g -I
> opt/ecos/work/ecos_rom_std_install/include hello.c -L
> /opt/ecos/work/ecos_rom_std_install/lib/ -Ttarget.ld В–nostdlibВ”
> 3) Connect to the target: В“arm-elf-gdb a.outВ”
>         GNU gdb 5.3 (eCosCentric)
>         Copyright 2002 Free Software Foundation, Inc.
>         GDB is free software, covered by the GNU General Public License, and
> you are welcome to change it and/or distribute copies of it under
> certain conditions.
>         Type "show copying" to see the conditions.
>         There is absolutely no warranty for GDB.  Type "show warranty" for
> details.
>         This GDB was configured as "--host=i686-pc-linux-gnu --target=arm-
> elf"...
>    a) tar sim --board=eb40a
>         Connected to the simulator.
>    b) load
>         Loading section .rom_vectors, size 0x40 vma 0x1000000
>         Loading section .text, size 0xfedc vma 0x1000040
>         Loading section .rodata, size 0x2a0 vma 0x100ff1c
>         Loading section .data, size 0x378 vma 0x4000
>         Start address 0x1000040
>         Transfer rate: 534944 bits in <1 sec.
>    c) run
>         Starting program: /opt/ecos/ecos-2.0/examples/a.out
> Afterwards nothing happens. Is it correct that I need to build the tree for
> В“ROM startupВ”, when I want to run my program on the simulator without any
> monitor? Am I missing anything here? I checked out the eCos CVS about two
> weeks ago.
> /Martin

Does this simulator support the *exact* peripheral set that eCos is 
looking for?  Where/how did you get/build it?

Gary Thomas <gary@mlbassoc.com>
MLB Associates

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