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debugging bootloader

Hello!

I'm examining and researching the bootloader and would like to debug it in order to watch the registers, memory condition etc. for understanding the process more deeply and detailed. Please, recommend any techiques for debugging bootloader code, I suppose I can't use gdb for this, may be I need a kind of JTAG or similar.

Thanks in advance for any help!

With best regards, Roman Mashak. E-mail: snipped-for-privacy@tusur.ru

Reply to
Roman Mashak
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Hello everybody!

:) I forgot to note, that I'm using eval. board AMD Alchemy AU1550 w/ MIPS32 processor.

With best regards, Roman Mashak. E-mail: snipped-for-privacy@tusur.ru

Reply to
Roman Mashak

Yes, you will need a JTAG debugger; I recommend the Abatron BDI2000. Then you can also use GDB to attach to the BDI2000 ...

Best regards,

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88   Web: www.denx.de
Mistakes are often the stepping stones to utter failure.
Reply to
Wolfgang Denk

Hello, Wolfgang! You wrote on Sat, 28 Aug 2004 20:32:04 GMT:

??>> I'm examining and researching the bootloader and would like to debug ??>> it in order to watch the registers, memory condition etc. for ??>> understanding the process more deeply and detailed. Please, recommend ??>> any techiques for debugging bootloader code, I suppose I can't use gdb ??>> for this, may be I need a kind of JTAG or similar.

WD> Yes, you will need a JTAG debugger; I recommend the Abatron BDI2000. I've read its web-site and as far as I understood - Abatron has GNU extension for GDB debugger which allows to BDM interface from GDB, right? And normal GDB has no this capability. WD> Then you can also use GDB to attach to the BDI2000 ... It came our R&D lab already had JTAG debugger, it is WindRiver's visionICE II for MIPS (out platfrom is MIPS based). Is it possible to do what I want with this device ? Unfortunately I didn't have enough experience before using JTAG emulator, so I would like to figure out now what topic should I start to study first.

With best regards, Roman Mashak. E-mail: snipped-for-privacy@tusur.ru

Reply to
Roman Mashak

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