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qemu/target/s390x/Kconfig

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meson: Introduce target-specific Kconfig Add a target-specific Kconfig. We need the definitions in Kconfig so the minikconf tool can verify they exits. However CONFIG_FOO is only enabled for target foo via the meson.build rules. Two architecture have a particularity, ARM and MIPS. As their translators have been split you can potentially build a plain 32 bit build along with a 64-bit version including the 32-bit subset. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210131111316.232778-6-f4bug@amsat.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210707131744.26027-2-alex.bennee@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-07-07 16:17:40 +03:00
config S390X
bool
s390x: select correct components for no-board build Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-ID: <20240509170044.190795-5-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-05-09 20:00:35 +03:00
select PCI
select S390_FLIC
target/s390x: Add a CONFIG switch to disable legacy CPUs The oldest model that IBM still supports is the z13. Considering that each generation can "emulate" the previous two generations in hardware (via the "IBC" feature of the CPUs), this means that everything that is older than z114/196 is not an officially supported CPU model anymore. The Linux kernel still support the z10, so if we also take this into account, everything older than that can definitely be considered as a legacy CPU model. For downstream builds of QEMU, we would like to be able to disable these legacy CPUs in the build. Thus add a CONFIG switch that can be used to disable them (and old machine types that use them by default). Message-Id: <20240614125019.588928-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2024-06-13 17:14:22 +03:00
config S390X_LEGACY_CPUS
bool
default y
depends on S390X
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