From: Igor Mammedov <imammedo@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: qemu-devel@nongnu.org, "Fam Zheng" <fam@euphon.net>,
"Peter Maydell" <peter.maydell@linaro.org>,
"Thomas Huth" <thuth@redhat.com>,
kvm@vger.kernel.org,
"Richard Henderson" <richard.henderson@linaro.org>,
qemu-arm@nongnu.org, "Paolo Bonzini" <pbonzini@redhat.com>,
"Alex Bennée" <alex.bennee@linaro.org>,
"Richard Henderson" <rth@twiddle.net>
Subject: Re: [PATCH v4 00/12] Support disabling TCG on ARM (part 2)
Date: Wed, 30 Sep 2020 09:58:41 +0200 [thread overview]
Message-ID: <20200930095841.3df7f8ee@redhat.com> (raw)
In-Reply-To: <20200929224355.1224017-1-philmd@redhat.com>
On Wed, 30 Sep 2020 00:43:43 +0200
Philippe Mathieu-Daudé <philmd@redhat.com> wrote:
> Cover from Samuel Ortiz from (part 1) [1]:
>
> This patchset allows for building and running ARM targets with TCG
> disabled. [...]
>
> The rationale behind this work comes from the NEMU project where we're
> trying to only support x86 and ARM 64-bit architectures, without
> including the TCG code base. We can only do so if we can build and run
> ARM binaries with TCG disabled.
I don't recall exact reason but TCG variant is used by bios-tables-test
to test arm/virt so it will probably break that
(it has something to do with how KVM uses CPU/GIC, which was making
ACPI tables not stable (i.e. depend on host), so comparison with master
tables was failing)
>
> v4 almost 2 years later... [2]:
> - Rebased on Meson
> - Addressed Richard review comments
> - Addressed Claudio review comments
>
> v3 almost 18 months later [3]:
> - Rebased
> - Addressed Thomas review comments
> - Added Travis-CI job to keep building --disable-tcg on ARM
>
> v2 [4]:
> - Addressed review comments from Richard and Thomas from v1 [1]
>
> Regards,
>
> Phil.
>
> [1]: https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02451.html
> [2]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg689168.html
> [3]: https://www.mail-archive.com/qemu-devel@nongnu.org/msg641796.html
> [4]: https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg05003.html
>
> Green CI:
> - https://cirrus-ci.com/build/4572961761918976
> - https://gitlab.com/philmd/qemu/-/pipelines/196047779
> - https://travis-ci.org/github/philmd/qemu/builds/731370972
>
> Based-on: <20200929125609.1088330-1-philmd@redhat.com>
> "hw/arm: Restrict APEI tables generation to the 'virt' machine"
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg745792.html
>
> Philippe Mathieu-Daudé (10):
> accel/tcg: Add stub for cpu_loop_exit()
> meson: Allow optional target/${ARCH}/Kconfig
> target/arm: Select SEMIHOSTING if TCG is available
> target/arm: Restrict ARMv4 cpus to TCG accel
> target/arm: Restrict ARMv5 cpus to TCG accel
> target/arm: Restrict ARMv6 cpus to TCG accel
> target/arm: Restrict ARMv7 R-profile cpus to TCG accel
> target/arm: Restrict ARMv7 M-profile cpus to TCG accel
> target/arm: Reorder meson.build rules
> .travis.yml: Add a KVM-only Aarch64 job
>
> Samuel Ortiz (1):
> target/arm: Do not build TCG objects when TCG is off
>
> Thomas Huth (1):
> target/arm: Make m_helper.c optional via CONFIG_ARM_V7M
>
> default-configs/arm-softmmu.mak | 3 --
> meson.build | 8 +++-
> target/arm/cpu.h | 12 ------
> accel/stubs/tcg-stub.c | 5 +++
> target/arm/cpu_tcg.c | 4 +-
> target/arm/helper.c | 7 ----
> target/arm/m_helper-stub.c | 73 +++++++++++++++++++++++++++++++++
> .travis.yml | 35 ++++++++++++++++
> hw/arm/Kconfig | 32 +++++++++++++++
> target/arm/Kconfig | 4 ++
> target/arm/meson.build | 40 +++++++++++-------
> 11 files changed, 184 insertions(+), 39 deletions(-)
> create mode 100644 target/arm/m_helper-stub.c
> create mode 100644 target/arm/Kconfig
>
next prev parent reply other threads:[~2020-09-30 7:58 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 22:43 [PATCH v4 00/12] Support disabling TCG on ARM (part 2) Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 01/12] accel/tcg: Add stub for cpu_loop_exit() Philippe Mathieu-Daudé
2020-09-30 7:08 ` Thomas Huth
2020-10-03 9:09 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 02/12] meson: Allow optional target/${ARCH}/Kconfig Philippe Mathieu-Daudé
2020-09-30 12:50 ` Claudio Fontana
2020-09-30 13:17 ` Paolo Bonzini
2020-10-03 9:13 ` Richard Henderson
2020-10-03 9:15 ` Paolo Bonzini
2020-10-03 9:32 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 03/12] target/arm: Select SEMIHOSTING if TCG is available Philippe Mathieu-Daudé
2020-10-03 9:43 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 04/12] target/arm: Restrict ARMv4 cpus to TCG accel Philippe Mathieu-Daudé
2020-09-30 8:03 ` Philippe Mathieu-Daudé
2020-10-03 9:17 ` Thomas Huth
2020-09-29 22:43 ` [PATCH v4 05/12] target/arm: Restrict ARMv5 " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 06/12] target/arm: Restrict ARMv6 " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 07/12] target/arm: Restrict ARMv7 R-profile " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 08/12] target/arm: Restrict ARMv7 M-profile " Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 09/12] target/arm: Make m_helper.c optional via CONFIG_ARM_V7M Philippe Mathieu-Daudé
2020-10-03 9:48 ` Richard Henderson
2021-01-29 18:53 ` Philippe Mathieu-Daudé
2020-09-29 22:43 ` [PATCH v4 10/12] target/arm: Do not build TCG objects when TCG is off Philippe Mathieu-Daudé
2020-10-03 9:52 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 11/12] target/arm: Reorder meson.build rules Philippe Mathieu-Daudé
2020-10-03 9:53 ` Richard Henderson
2020-09-29 22:43 ` [PATCH v4 12/12] .travis.yml: Add a KVM-only Aarch64 job Philippe Mathieu-Daudé
2020-10-03 10:03 ` Richard Henderson
2020-10-03 10:14 ` Thomas Huth
2020-10-03 10:37 ` Richard Henderson
2020-09-30 7:58 ` Igor Mammedov [this message]
2020-09-30 10:20 ` [PATCH v4 00/12] Support disabling TCG on ARM (part 2) Philippe Mathieu-Daudé
2021-01-28 0:41 ` Alex Bennée
2021-01-28 11:02 ` Philippe Mathieu-Daudé
2021-01-28 15:42 ` Alex Bennée
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