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RE: not able to connect to gdb with redboot
- To: Rajeev murthy <rajeev50 at lycos dot com>
- Subject: RE: [ECOS] not able to connect to gdb with redboot
- From: Gary Thomas <gthomas at cambridge dot redhat dot com>
- Date: Wed, 27 Jun 2001 05:46:44 -0600 (MDT)
- Cc: ecos-discuss at sources dot redhat dot com
- Organization: Red Hat, Inc.
On 27-Jun-2001 Rajeev murthy wrote:
> hello,
> i have redboot on my board (a proprietory one with a Samsung microcontroller with an ARM
> core). i understand that with redboot on my board i can get source level debugging by connecting
> to GDB via redboot.
> i am just not able to get GDB connect to my board. i tried all these things
> 1.target rdi /dev/ttyS0
> 2.target remote /dev/ttyS0
> 3.target rdp /dev/ttyS0
> what is the gdb looking for to connect ?
> i have set the baud rate to match my board's.
> is a serial connection with the host and the target board sufficient for gdb to connect with
> redboot on the board ?
> when i type $g#67 , i get a display of the registers which means the gdb stubs are working.
> but i would prefer to debug with insight.
> please let me know where i'm going wrong and
> what i should do to connect to GDB?
Use 'tar remote /dev/ttyS0' to connect via GDB.
Make sure that you disconnect from RedBoot (shutdown your minicom or hyperterm),
otherwise GDB will get confused.
If it still doesn't work, try:
(gdb) set remotedebug 1
(gdb) tar rem /dev/ttyS0