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s390x/tcg: take care of external interrupt subclasses

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We can now let go of INTERRUPT_EXT. When cr0 changes, we have to
revalidate if we now have a pending external interrupt, just like
when the PSW (or SYSTEM MASK only) changes.

Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20170928203708.9376-6-david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2017-09-28 22:36:43 +02:00 • committed by Cornelia Huck
parent 8417f904ba
commit 9dec238826
4 changed files with 50 additions and 13 deletions
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32
target/s390x/interrupt.c
View file

@ -209,7 +209,37 @@ bool s390_cpu_has_ext_int(S390CPU *cpu)
return false;
}
return env->pending_int & INTERRUPT_EXT;
if ((env->pending_int & INTERRUPT_EMERGENCY_SIGNAL) &&
(env->cregs[0] & CR0_EMERGENCY_SIGNAL_SC)) {
return true;
}
if ((env->pending_int & INTERRUPT_EXTERNAL_CALL) &&
(env->cregs[0] & CR0_EXTERNAL_CALL_SC)) {
return true;
}
if ((env->pending_int & INTERRUPT_EXTERNAL_CALL) &&
(env->cregs[0] & CR0_EXTERNAL_CALL_SC)) {
return true;
}
if ((env->pending_int & INTERRUPT_EXT_CLOCK_COMPARATOR) &&
(env->cregs[0] & CR0_CKC_SC)) {
return true;
}
if ((env->pending_int & INTERRUPT_EXT_CPU_TIMER) &&
(env->cregs[0] & CR0_CPU_TIMER_SC)) {
return true;
}
if ((env->pending_int & INTERRUPT_EXT_SERVICE) &&
(env->cregs[0] & CR0_SERVICE_SC)) {
return true;
}
return false;
}
bool s390_cpu_has_io_int(S390CPU *cpu)