| Message ID | 20241028082416.265437-1-pbonzini@redhat.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] configure, meson: deprecate 32-bit MIPS | expand |
On 28/10/24 05:24, Paolo Bonzini wrote: > The mipsel architecture is not available in Debian Trixie, and it will > likely be a hard failure as soon as we drop support for the old Rust > toolchain in Debian Bookworm. Prepare by deprecating 32-bit little > endian MIPS in QEMU 9.2. > > Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> > --- > 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 8fd7da140a3..b779eb54934 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 ce38a3d0cf0..f3f4cd4059f 100644 > --- a/docs/about/deprecated.rst > +++ b/docs/about/deprecated.rst > @@ -164,15 +164,19 @@ property types. > Host Architectures > ------------------ > > -BE MIPS (since 7.2) > -''''''''''''''''''' > +Big endian MIPS since 7.2; 32-bit little endian MIPS 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 5e2b0fb82b2..110e93f84e9 100644 > --- a/meson.build > +++ b/meson.build > @@ -4721,6 +4721,14 @@ 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) Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff --git a/docs/about/build-platforms.rst b/docs/about/build-platforms.rst index 8fd7da140a3..b779eb54934 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 ce38a3d0cf0..f3f4cd4059f 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -164,15 +164,19 @@ property types. Host Architectures ------------------ -BE MIPS (since 7.2) -''''''''''''''''''' +Big endian MIPS since 7.2; 32-bit little endian MIPS 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 5e2b0fb82b2..110e93f84e9 100644 --- a/meson.build +++ b/meson.build @@ -4721,6 +4721,14 @@ 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)
The mipsel architecture is not available in Debian Trixie, and it will likely be a hard failure as soon as we drop support for the old Rust toolchain in Debian Bookworm. Prepare by deprecating 32-bit little endian MIPS in QEMU 9.2. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- docs/about/build-platforms.rst | 2 +- docs/about/deprecated.rst | 12 ++++++++---- meson.build | 8 ++++++++ 3 files changed, 17 insertions(+), 5 deletions(-)