On 4/2/25 22:53, Richard Henderson wrote:
We deprecated i686 system mode support for qemu 8.0. However, to
make real cleanups to TCG we need to deprecate all 32-bit hosts.
Reviewed-by: Thomas Huth <th...@redhat.com>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
docs/about/deprecated.rst | 7 +++++++
meson.build | 8 +++-----
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 4a3c302962..7c61d0ba16 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -204,6 +204,13 @@ is going to be so much slower it wouldn't make sense for
any serious
instrumentation. Due to implementation differences there will also be
anomalies in things like memory instrumentation.
+32-bit host operating systems (since 10.0)
+''''''''''''''''''''''''''''''''''''''''''
+
+Keeping 32-bit host support alive is a substantial burden for the
+QEMU project. Thus QEMU will in future drop the support for all
+32-bit host systems.
+
System emulator CPUs
--------------------
diff --git a/meson.build b/meson.build
index aa1ca8355d..3347b0a553 100644
--- a/meson.build
+++ b/meson.build
@@ -4843,14 +4843,12 @@ 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'
+elif host_long_bits < 64
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.')
+ message('Support for 32-bit CPU host architecture ' + cpu + ' is going')
+ message('to be dropped in a future QEMU release.')
This change still allows us to remove 32-bit mips host support before
the other architectures, right?
