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Re: Blank screen for hello world qemu-4.2.0

From: abhijeet inamdar
Subject: Re: Blank screen for hello world qemu-4.2.0
Date: Mon, 26 Jul 2021 15:44:00 +0200


Is there any particular Flash and RAM length for qemu to semihosting. I'm using q2-update-2017 tool chain and 16.04 Ubuntu.

On Fri, Jul 23, 2021, 14:16 Peter Maydell <peter.maydell@linaro.org> wrote:
On Fri, 23 Jul 2021 at 13:05, abhijeet inamdar
<abhijeetinamdar3005@gmail.com> wrote:
> Means the memory mapping is not done correctly.
> I have added '-d nochain' and '-singlestep' to the command line it gives me never ending
>  Trace 0: 0x7ff207a5eac0 [00000000/00000572/0x312000c1] HardFault_Handler
> R00=2000018c R01=00000000 R02=20000264 R03=20000264
> R04=000023f4 R05=000023f4 R06=00000000 R07=00000000
> R08=00000000 R09=00000000 R10=00000000 R11=00000000
> R12=00000000 R13=07ffffe0 R14=fffffff9 R15=00000572
> XPSR=61000003 -ZC- T handler
> Until i kill it.

Well, of course it does -- I already told you your guest code goes
into an infinite loop in its HardFault handler. The part of the trace
that will tell you what is going wrong is before that.

-- PMM

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