How to debug by COM port
- From: "C.C. Wu" <cc_wu@xxxxxxxxxxxx>
- Date: Wed, 26 Oct 2005 04:42:41 +0800
Hi all,
I'd like to get embedded XP debug infomation of kernel boot procedure. I
have installed Windows Debugger Version 6.5.0003.7 in a host computer, and
I boot my system from a target computer.
The target computer's boot.ini is
[boot loader]
timeout=0
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Windows XP Embedded" /debug
/debugport=com1 /baudrate=115200
..
I launched WinDbg on my host computer, and executed Kernel Debug, but I can
not make host connect with target.
Microsoft (R) Windows Debugger Version 6.5.0003.7
Copyright (c) Microsoft Corporation. All rights reserved.
Opened \\.\COM1
Waiting to reconnect...
I have tested communcation between them. The host always sends 0x69 0x69
0x69 0x69 0x06 0x00 0x00 0x00...., so the COM port works normally.
Does anybody know what's going on with my embedded XP? Do I need some
components for kernel debug?
Thanks.
C.C. Wu
.
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