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List:       uclinux-dev
Subject:    Re: [uClinux-dev] Fail to start uClinux (kernel2.6) in GDB/ARMulator
From:       Greg Ungerer <gerg () snapgear ! com>
Date:       2009-11-11 7:35:03
Message-ID: 4AFA6927.8060704 () snapgear ! com
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Hi CC Yuen,

Yuen Chi Chuen wrote:
> In uClinux-dist/, after typing "arm-elf-gdb linux-2.6.x/linux"
> 
> I can enter GDB and then type target sim -> load -> run. However after 
> the run command, the console only shows "Starting program: 
> /root/Desktop/development/ARMulator_study/uClinux-dist/linux-2.6.x/linux", 
> the cursor stays here and no new messages are displayed. 
> 
> Could any experts help on this issue?

The old ARMulator code is buggy. I run these images on the skyeye
emulator now days. Works much better.

Regards
Greg



> ----------------------------------------------------------------------------------------------------------------------------------------------------------------
>  
> [root@localhost uClinux-dist]# arm-elf-gdb -n linux-2.6.x/linux
> GNU gdb 5.0
> Copyright 2000 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"...(no debugging symbols found)...
> (gdb) target sim
> Loaded ROM boot.rom
> Loaded ROM boot.rom
> Loaded ROM boot.rom
> Loaded ROM boot.rom
> Connected to the simulator.
> (gdb) load
> Loading section .text.head, size 0x190 vma 0x1008000
> Loading section .init, size 0xee60 vma 0x10081a0
> Loading section .text, size 0xd163c vma 0x1017000
> Loading section __param, size 0x1000 vma 0x10e9000
> Loading section .data, size 0x9ac0 vma 0x10ea000
> Start address 0x1008000
> Transfer rate: 7702368 bits/sec.
> (gdb) run
> Starting program: 
> /root/Desktop/development/ARMulator_study/uClinux-dist/linux-2.6.x/linux
> 
> 
> 
> 
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-- 
------------------------------------------------------------------------
Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@snapgear.com
SnapGear Group, McAfee                      PHONE:       +61 7 3435 2888
825 Stanley St,                             FAX:         +61 7 3891 3630
Woolloongabba, QLD, 4102, Australia         WEB: http://www.SnapGear.com
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