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Sun, 27 Oct 2024 06:07:28 -0700 (PDT) Received: from [192.168.10.3] ([151.49.226.83]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38058b70c91sm6696400f8f.85.2024.10.27.06.07.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 27 Oct 2024 06:07:28 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: philmd@linaro.org Subject: [PATCH] configure, meson: deprecate 32-bit MIPS Date: Sun, 27 Oct 2024 14:07:26 +0100 Message-ID: <20241027130726.244605-1-pbonzini@redhat.com> X-Mailer: git-send-email 2.47.0 MIME-Version: 1.0 Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.287, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The mipsel architecture is not available in Debian Bookworm, and it will likely be a hard failure as soon as we drop support for the old Rust toolchain in Debian Bullseye. Prepare by deprecating 32-bit little endian MIPS in QEMU 9.2. Signed-off-by: Paolo Bonzini --- docs/about/build-platforms.rst | 2 +- docs/about/deprecated.rst | 12 ++++++++---- meson.build | 8 ++++++++ 3 files changed, 17 insertions(+), 5 deletions(-) diff --git a/docs/about/build-platforms.rst b/docs/about/build-platforms.rst index ff56091078e..6102f00aec0 100644 --- a/docs/about/build-platforms.rst +++ b/docs/about/build-platforms.rst @@ -41,7 +41,7 @@ Those hosts are officially supported, with various accelerators: - Accelerators * - Arm - kvm (64 bit only), tcg, xen - * - MIPS (little endian only) + * - MIPS (64 bit little endian only) - kvm, tcg * - PPC - kvm, tcg diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 74c75666c31..32b4cd16ec3 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -170,15 +170,19 @@ property types. Host Architectures ------------------ -BE MIPS (since 7.2) -''''''''''''''''''' +32-bit MIPS (big endian since 7.2; little endian since 9.2) +''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' As Debian 10 ("Buster") moved into LTS the big endian 32 bit version of MIPS moved out of support making it hard to maintain our cross-compilation CI tests of the architecture. As we no longer have CI coverage support may bitrot away before the deprecation process -completes. The little endian variants of MIPS (both 32 and 64 bit) are -still a supported host architecture. +completes. + +Likewise, the little endian variant of 32 bit MIPS is not supported by +Debian 13 ("Trixie") and newer. + +64 bit little endian MIPS is still a supported host architecture. System emulation on 32-bit x86 hosts (since 8.0) '''''''''''''''''''''''''''''''''''''''''''''''' diff --git a/meson.build b/meson.build index f5df5cdc49f..e69287acfc5 100644 --- a/meson.build +++ b/meson.build @@ -4807,6 +4807,14 @@ if host_arch == 'unknown' message('configure has succeeded and you can continue to build, but') message('QEMU will use a slow interpreter to emulate the target CPU.') endif +elif host_arch == 'mips' + message() + warning('DEPRECATED HOST CPU') + message() + message('Support for CPU host architecture ' + cpu + ' is going to be') + message('dropped as soon as the QEMU project stops supporting Debian 12') + message('("Bookworm"). Going forward, the QEMU project will not guarantee') + message('that QEMU will compile or work on this host CPU.') endif if not supported_oses.contains(host_os)