vl: extract accelerator option processing to a separate function

As a first step towards supporting multiple "-accel" options, push the
late processing of -icount and -accel into a new function, and use
qemu_opts_foreach to retrieve -accel options instead of stashing
them into globals.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/vl.c b/vl.c
index 6e58c1d08ded7b2a0f8ca3c737e694a583386318..7ed90263e738c4d32ff814e68ebf52d290884c1d 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -2706,6 +2706,25 @@ static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
     return 0;
 }
 
+static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
+{
+    if (tcg_enabled()) {
+        qemu_tcg_configure(opts, &error_fatal);
+    }
+    return 0;
+}
+
+static void configure_accelerators(void)
+{
+    qemu_opts_foreach(qemu_find_opts("accel"),
+                      do_configure_accelerator, NULL, &error_fatal);
+
+    if (use_icount && !(tcg_enabled() || qtest_enabled())) {
+        error_report("-icount is not allowed with hardware virtualization");
+        exit(1);
+    }
+}
+
 int main(int argc, char **argv, char **envp)
 {
     int i;
@@ -4103,14 +4122,7 @@ int main(int argc, char **argv, char **envp)
     qemu_spice_init();
 
     cpu_ticks_init();
-    if (use_icount && !(tcg_enabled() || qtest_enabled())) {
-        error_report("-icount is not allowed with hardware virtualization");
-        exit(1);
-    }
-
-    if (tcg_enabled()) {
-        qemu_tcg_configure(accel_opts, &error_fatal);
-    }
+    configure_accelerators();
 
     if (default_net) {
         QemuOptsList *net = qemu_find_opts("net");