From: Peter Maydell <peter.maydell@linaro.org>
To: Thomas Huth <thuth@redhat.com>
Cc: "Philippe Mathieu-Daudé" <philmd@redhat.com>,
qemu-arm <qemu-arm@nongnu.org>,
"Richard Henderson" <richard.henderson@linaro.org>,
"QEMU Developers" <qemu-devel@nongnu.org>
Subject: Re: [PATCH 3/4] hw/arm: Move armv7m_nvic.c to hw/arm/ and always enable it for arm builds
Date: Mon, 23 Sep 2019 15:52:24 +0100 [thread overview]
Message-ID: <CAFEAcA_6UxMBeyOMM0iT5cnCQEpWXfRO2XMuV9ez_0Su2osXNg@mail.gmail.com> (raw)
In-Reply-To: <20190921150420.30743-4-thuth@redhat.com>
On Sat, 21 Sep 2019 at 16:04, Thomas Huth <thuth@redhat.com> wrote:
>
> qemu-system-arm/-aarch64 currently can't be built without setting the
> switch CONFIG_ARM_V7M=y - which we currently always do in the config file
> default-configs/arm-softmmu.mak. This is because the code in target/arm/
> calls many functions from this armv7m_nvic.c, and thus linking fails
> without this file.
>
> So armv7m_nvic.c should not be under the CONFIG_ARM_V7M switch, but always
> compiled for arm builds. Since we can not simply do this in hw/intc/ (with
> "obj-y += ..." it would get compiled for all other architectures, too),
> let's move the file to hw/arm/ instead and always enable it there.
>
> Signed-off-by: Thomas Huth <thuth@redhat.com>
> ---
> hw/arm/Makefile.objs | 2 ++
> hw/{intc => arm}/armv7m_nvic.c | 0
> hw/arm/trace-events | 17 +++++++++++++++++
> hw/intc/Makefile.objs | 1 -
> hw/intc/trace-events | 17 -----------------
> 5 files changed, 19 insertions(+), 18 deletions(-)
> rename hw/{intc => arm}/armv7m_nvic.c (100%)
Please don't move this file. This is an interrupt
controller (with some other functionality jammed into it)
and so it should be in hw/intc. It's true that it's rather
tightly-coupled to the CPU, but the same is true for our
GICv3 model.
thanks
-- PMM
next prev parent reply other threads:[~2019-09-23 14:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-21 15:04 [PATCH 0/4] Make it possible to compile with CONFIG_ARM_V7M=n Thomas Huth
2019-09-21 15:04 ` [PATCH 1/4] target/arm: Make cpu_register() and set_feature() available for other files Thomas Huth
2019-09-23 14:28 ` Auger Eric
2019-09-21 15:04 ` [PATCH 2/4] target/arm: Move cortex-m related functions to new file v7m.c Thomas Huth
2019-09-23 14:31 ` Auger Eric
2019-09-23 18:09 ` Thomas Huth
2019-09-23 18:45 ` Peter Maydell
2019-09-23 18:51 ` Thomas Huth
2019-09-23 18:54 ` Peter Maydell
2019-09-24 11:02 ` Auger Eric
2019-09-24 11:06 ` Thomas Huth
2019-09-24 11:24 ` Auger Eric
2019-09-23 14:34 ` Peter Maydell
2019-09-24 9:52 ` Philippe Mathieu-Daudé
2019-09-21 15:04 ` [PATCH 3/4] hw/arm: Move armv7m_nvic.c to hw/arm/ and always enable it for arm builds Thomas Huth
2019-09-23 14:52 ` Peter Maydell [this message]
2019-09-23 17:54 ` Thomas Huth
2019-09-23 18:27 ` Peter Maydell
2019-09-23 18:36 ` Thomas Huth
2019-09-23 18:50 ` Peter Maydell
2019-09-24 4:44 ` Thomas Huth
2019-09-24 9:42 ` Peter Maydell
2019-09-24 9:48 ` Thomas Huth
2019-09-24 10:01 ` Philippe Mathieu-Daudé
2019-09-21 15:04 ` [PATCH 4/4] default-configs: Do not enforce CONFIG_ARM_V7M anymore Thomas Huth
2019-09-23 8:37 ` [PATCH 0/4] Make it possible to compile with CONFIG_ARM_V7M=n Philippe Mathieu-Daudé
2019-09-23 8:50 ` Thomas Huth
2019-09-23 8:58 ` Philippe Mathieu-Daudé
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