From: Alistair Francis <alistair23@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: Alistair <alistair@alistair23.me>,
"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [PATCH v1 5/5] hw/arm: Add the Netduino Plus 2
Date: Tue, 18 Jun 2019 18:04:26 -0700 [thread overview]
Message-ID: <CAKmqyKNW+Y1geGZUBa9WHPWZ_i40bDLxCJx5up5N1sLFTU32Zg@mail.gmail.com> (raw)
In-Reply-To: <CAFEAcA_0NpQRJnMx-1vUCD_=e1GsfTBhO3z1rrz99CY+GNmGhA@mail.gmail.com>
On Sun, May 5, 2019 at 8:34 AM Peter Maydell <peter.maydell@linaro.org> wrote:
>
> On Sat, 4 May 2019 at 06:26, Alistair Francis <alistair23@gmail.com> wrote:
> > Ah, it seems like -device loader doesn't work, it looks like not
> > setting the thumb register causes this core dump:
> >
> > qemu: fatal: Lockup: can't escalate 3 to HardFault (current priority -1)
> >
> > R00=20000000 R01=00000574 R02=200015d0 R03=200015d0
> > R04=00000000 R05=00000000 R06=00000000 R07=00000000
> > R08=00000000 R09=00000000 R10=00000000 R11=00000000
> > R12=00000000 R13=ffffffe0 R14=fffffff9 R15=0800cba4
>
> Is the ELF file incorrectly setting the entry point address to not
> be a Thumb one (ie low bit set), or is the loader device not honouring
> that? (I thought that we'd fixed the latter of those recently...)
It looks like all the reset logic is correct in terms of these lines
in arm_cpu_reset():
env->regs[13] = initial_msp & 0xFFFFFFFC;
env->regs[15] = initial_pc & ~1;
env->thumb = initial_pc & 1;
The problem is that vecbase is 0, as cpu->init_svtor is 0.
cpu->init_svtor is set via QOM properties in armv7m_realize() based on
the armv7m property "init-svtor".
So hopefully I should be able to just set the property "init-svtor"
for the armv7m object. I'll test that out and see how it goes.
Alistair
>
> thanks
> -- PMM
next prev parent reply other threads:[~2019-06-19 1:08 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1556515687.git.alistair@alistair23.me>
2019-04-29 5:29 ` [Qemu-devel] [PATCH v1 1/5] armv7m: Allow entry information to be returned Alistair Francis
2019-04-29 5:29 ` Alistair Francis
2019-04-29 5:32 ` Alistair Francis
2019-04-29 5:32 ` Alistair Francis
2019-04-30 16:04 ` Peter Maydell
2019-04-30 16:04 ` Peter Maydell
2019-05-01 3:54 ` Alistair Francis
2019-05-01 3:54 ` Alistair Francis
2019-04-29 5:32 ` [Qemu-devel] [PATCH v1 2/5] hw/misc: Add the STM32F4xx Sysconfig device Alistair Francis
2019-04-29 5:32 ` Alistair Francis
2019-04-30 15:44 ` Peter Maydell
2019-04-30 15:44 ` Peter Maydell
2019-04-29 5:33 ` [Qemu-devel] [PATCH v1 3/5] hw/misc: Add the STM32F4xx EXTI device Alistair Francis
2019-04-29 5:33 ` Alistair Francis
2019-04-30 15:48 ` Peter Maydell
2019-04-30 15:48 ` Peter Maydell
2019-05-02 4:28 ` Alistair Francis
2019-05-02 4:28 ` Alistair Francis
2019-04-29 5:33 ` [Qemu-devel] [PATCH v1 4/5] hw/arm: Add the STM32F4xx SoC Alistair Francis
2019-04-29 5:33 ` Alistair Francis
2019-04-29 12:38 ` KONRAD Frederic
2019-04-29 12:38 ` KONRAD Frederic
2019-04-29 17:00 ` Alistair Francis
2019-04-29 17:00 ` Alistair Francis
2019-04-30 18:10 ` KONRAD Frederic
2019-04-30 18:10 ` KONRAD Frederic
2019-04-29 12:43 ` Philippe Mathieu-Daudé
2019-04-29 12:43 ` Philippe Mathieu-Daudé
2019-04-29 17:01 ` Alistair Francis
2019-04-29 17:01 ` Alistair Francis
2019-04-30 15:51 ` Peter Maydell
2019-04-30 15:51 ` Peter Maydell
2019-04-30 15:59 ` Peter Maydell
2019-04-30 15:59 ` Peter Maydell
2019-05-02 5:04 ` Alistair Francis
2019-05-02 5:04 ` Alistair Francis
2019-04-29 5:33 ` [Qemu-devel] [PATCH v1 5/5] hw/arm: Add the Netduino Plus 2 Alistair Francis
2019-04-29 5:33 ` Alistair Francis
2019-04-30 16:01 ` Peter Maydell
2019-04-30 16:01 ` Peter Maydell
2019-04-30 20:27 ` Alistair Francis
2019-04-30 20:27 ` Alistair Francis
2019-05-02 10:05 ` Peter Maydell
2019-05-02 10:05 ` Peter Maydell
2019-05-04 4:25 ` Alistair
2019-05-04 4:25 ` Alistair
2019-05-04 5:25 ` Alistair Francis
2019-05-04 5:25 ` Alistair Francis
2019-05-05 15:34 ` Peter Maydell
2019-05-05 15:34 ` Peter Maydell
2019-06-19 1:04 ` Alistair Francis [this message]
[not found] <cover.1556774049.git.alistair@alistair23.me>
2019-05-02 5:41 ` Alistair Francis
2019-05-02 5:41 ` Alistair Francis
2019-05-03 13:53 ` Peter Maydell
2019-05-03 13:53 ` Peter Maydell
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAKmqyKNW+Y1geGZUBa9WHPWZ_i40bDLxCJx5up5N1sLFTU32Zg@mail.gmail.com \
--to=alistair23@gmail.com \
--cc=alistair@alistair23.me \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).