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[PULL 05/12] qtest: use cpu interface in qtest_clock_warp

Alex Bennée posted 12 patches 5 months ago

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Maintainers: Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Paolo Bonzini <pbonzini@redhat.com>, Thomas Huth <thuth@redhat.com>, Laurent Vivier <lvivier@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, "Alex Bennée" <alex.bennee@linaro.org>, Alexandre Iooss <erdnaxe@crans.org>, Mahmoud Mandour <ma.mandourr@gmail.com>, Pierrick Bouvier <pierrick.bouvier@linaro.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Dr. David Alan Gilbert" <dave@treblig.org>, Alexander Graf <agraf@csgraf.de>, Peter Maydell <peter.maydell@linaro.org>, Marcelo Tosatti <mtosatti@redhat.com>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>

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[PULL 05/12] qtest: use cpu interface in qtest_clock_warp

Posted by Alex Bennée 5 months ago

This generalises the qtest_clock_warp code to use the AccelOps
handlers for updating its own sense of time. This will make the next
patch which moves the warp code closer to pure code motion.

From: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20240530220610.1245424-3-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240620152220.2192768-6-alex.bennee@linaro.org>

diff --git a/include/sysemu/qtest.h b/include/sysemu/qtest.h
index b5d5fd3463..45f3b7e1df 100644
--- a/include/sysemu/qtest.h
+++ b/include/sysemu/qtest.h
@@ -36,6 +36,7 @@ void qtest_server_set_send_handler(void (*send)(void *, const char *),
 void qtest_server_inproc_recv(void *opaque, const char *buf);
 
 int64_t qtest_get_virtual_clock(void);
+void qtest_set_virtual_clock(int64_t count);
 #endif
 
 #endif
diff --git a/accel/qtest/qtest.c b/accel/qtest/qtest.c
index f6056ac836..53182e6c2a 100644
--- a/accel/qtest/qtest.c
+++ b/accel/qtest/qtest.c
@@ -52,6 +52,7 @@ static void qtest_accel_ops_class_init(ObjectClass *oc, void *data)
 
     ops->create_vcpu_thread = dummy_start_vcpu_thread;
     ops->get_virtual_clock = qtest_get_virtual_clock;
+    ops->set_virtual_clock = qtest_set_virtual_clock;
 };
 
 static const TypeInfo qtest_accel_ops_type = {
diff --git a/system/qtest.c b/system/qtest.c
index 507a358f3b..5be66b0140 100644
--- a/system/qtest.c
+++ b/system/qtest.c
@@ -332,14 +332,14 @@ int64_t qtest_get_virtual_clock(void)
     return qatomic_read_i64(&qtest_clock_counter);
 }
 
-static void qtest_set_virtual_clock(int64_t count)
+void qtest_set_virtual_clock(int64_t count)
 {
     qatomic_set_i64(&qtest_clock_counter, count);
 }
 
 static void qtest_clock_warp(int64_t dest)
 {
-    int64_t clock = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+    int64_t clock = cpus_get_virtual_clock();
     AioContext *aio_context;
     assert(qtest_enabled());
     aio_context = qemu_get_aio_context();
@@ -348,7 +348,7 @@ static void qtest_clock_warp(int64_t dest)
                                                       QEMU_TIMER_ATTR_ALL);
         int64_t warp = qemu_soonest_timeout(dest - clock, deadline);
 
-        qtest_set_virtual_clock(qtest_get_virtual_clock() + warp);
+        cpus_set_virtual_clock(cpus_get_virtual_clock() + warp);
 
         qemu_clock_run_timers(QEMU_CLOCK_VIRTUAL);
         timerlist_run_timers(aio_context->tlg.tl[QEMU_CLOCK_VIRTUAL]);
-- 
2.39.2