* is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect?
@ 2020-05-10 9:02 tugouxp
2020-05-11 9:13 ` Peter Maydell
0 siblings, 1 reply; 2+ messages in thread
From: tugouxp @ 2020-05-10 9:02 UTC (permalink / raw)
To: qemu-devel
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is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect?
for i want to know the boot sequence of the first instrction of the target system, how to get this?
thank you .
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect?
2020-05-10 9:02 is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect? tugouxp
@ 2020-05-11 9:13 ` Peter Maydell
0 siblings, 0 replies; 2+ messages in thread
From: Peter Maydell @ 2020-05-11 9:13 UTC (permalink / raw)
To: tugouxp; +Cc: QEMU Developers
On Sun, 10 May 2020 at 10:18, tugouxp <13824125580@163.com> wrote:
>
> is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect?
Yes: use the '-S' option (as well as the usual option
to set up a gdbstub connection). See the documentation:
https://www.qemu.org/docs/master/system/gdb.html
thanks
-- PMM
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2020-05-10 9:02 is there any way to make qemu stop at the very first instruction of the emulation process and wait for gdb connect? tugouxp
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