chardev: Extract system emulation specific code

Split out code only used during system emulation,
to reduce code pulled in user emulation and tools.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200423202112.644-6-philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>

1 files changed, 69 insertions, 0 deletions

diff --git a/chardev/chardev-sysemu.c b/chardev/chardev-sysemu.c
new file mode 100644
index 0000000000..eecdc615ee
--- /dev/null
+++ b/chardev/chardev-sysemu.c
@@ -0,0 +1,69 @@
+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "qemu/osdep.h"
+#include "sysemu/sysemu.h"
+#include "chardev/char.h"
+#include "qemu/error-report.h"
+#include "chardev-internal.h"
+
+static int chardev_machine_done_notify_one(Object *child, void *opaque)
+{
+    Chardev *chr = (Chardev *)child;
+    ChardevClass *class = CHARDEV_GET_CLASS(chr);
+
+    if (class->chr_machine_done) {
+        return class->chr_machine_done(chr);
+    }
+
+    return 0;
+}
+
+static void chardev_machine_done_hook(Notifier *notifier, void *unused)
+{
+    int ret = object_child_foreach(get_chardevs_root(),
+                                   chardev_machine_done_notify_one, NULL);
+
+    if (ret) {
+        error_report("Failed to call chardev machine_done hooks");
+        exit(1);
+    }
+}
+
+
+static Notifier chardev_machine_done_notify = {
+    .notify = chardev_machine_done_hook,
+};
+
+static void register_types(void)
+{
+    /*
+     * This must be done after machine init, since we register FEs with muxes
+     * as part of realize functions like serial_isa_realizefn when -nographic
+     * is specified.
+     */
+    qemu_add_machine_init_done_notifier(&chardev_machine_done_notify);
+}
+
+type_init(register_types);