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move everything related to translate, as well as HELPER code in tcg/
mmu_helper.c stays put for now, as it contains both TCG and KVM code.
After the reshuffling, update MAINTAINERS accordingly.
Make use of the new directory:
target/s390x/tcg/
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210707105324.23400-8-acho@suse.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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The internal.h file is renamed to s390x-internal.h, because of the
risk of collision with other files with the same name.
Signed-off-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Cho, Yu-Chen <acho@suse.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210707105324.23400-7-acho@suse.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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Replace all uses of s390_program_interrupt within files
that are marked CONFIG_TCG. These are necessarily tcg-only.
This lets each of these users benefit from the QEMU_NORETURN
attribute on tcg_s390_program_interrupt.
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191001171614.8405-5-richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
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This is no longer used, and many of the existing uses -- particularly
within hw/s390x -- seem questionable.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191001171614.8405-4-richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
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Allows to easily convert more callers of program_interrupt() and to
easily introduce new exceptions without forgetting about the cpu state
reset.
Use s390_program_interrupt() in places where we already had the same
pattern. We will later get rid of program_interrupt().
RA != 0 checks are already done behind the scenes.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171130162744.25442-2-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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The STFLE bits for the MSA (extension) facilities simply indicate that
the respective instructions can be executed. The QUERY subfunction can then
be used to identify which features exactly are available.
Availability of subfunctions can also vary on real hardware. For now, we
simply implement a CPU model without any available subfunctions except
QUERY (which is always around).
As all MSA functions behave quite similarly, we can use one translation
handler for now. Prepare the code for implementation of actual subfunctions.
At least MSA is helpful for now, as older Linux kernels require this
facility when compiled for a z9 model. Allow to enable the facilities
for the qemu cpu model.
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170920153016.3858-4-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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