icount: Add QemuOpts for icount

Make icount parameter use QemuOpts style options in order
to easily add other suboptions.

Signed-off-by: Sebastian Tanase <sebastian.tanase@openwide.fr>
Tested-by: Camille Bégué <camille.begue@openwide.fr>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qtest.c b/qtest.c
index 04a6dc1..ef0d991 100644
--- a/qtest.c
+++ b/qtest.c
@@ -19,6 +19,9 @@
 #include "hw/irq.h"
 #include "sysemu/sysemu.h"
 #include "sysemu/cpus.h"
+#include "qemu/config-file.h"
+#include "qemu/option.h"
+#include "qemu/error-report.h"
 
 #define MAX_IRQ 256
 
@@ -509,10 +512,16 @@
     }
 }
 
+static void configure_qtest_icount(const char *options)
+{
+    QemuOpts *opts  = qemu_opts_parse(qemu_find_opts("icount"), options, 1);
+    configure_icount(opts, &error_abort);
+    qemu_opts_del(opts);
+}
+
 int qtest_init_accel(MachineClass *mc)
 {
-    configure_icount("0");
-
+    configure_qtest_icount("0");
     return 0;
 }