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[Qemu-devel] [RFC PATCH v2 17/17] fuzz: Add fuzz accelerator type


From: Oleinik, Alexander
Subject: [Qemu-devel] [RFC PATCH v2 17/17] fuzz: Add fuzz accelerator type
Date: Mon, 5 Aug 2019 07:11:17 +0000

Signed-off-by: Alexander Oleinik <address@hidden>
---
 accel/fuzz.c          | 48 +++++++++++++++++++++++++++++++++++++++++++
 include/sysemu/fuzz.h | 15 ++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 accel/fuzz.c
 create mode 100644 include/sysemu/fuzz.h

diff --git a/accel/fuzz.c b/accel/fuzz.c
new file mode 100644
index 0000000000..9af989aaa1
--- /dev/null
+++ b/accel/fuzz.c
@@ -0,0 +1,48 @@
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "qemu/option.h"
+#include "qemu/config-file.h"
+#include "sysemu/accel.h"
+#include "sysemu/fuzz.h"
+#include "sysemu/cpus.h"
+
+
+static void fuzz_setup_post(MachineState *ms, AccelState *accel)
+{
+}
+
+static int fuzz_init_accel(MachineState *ms)
+{
+    QemuOpts *opts = qemu_opts_create(qemu_find_opts("icount"), NULL, 0,
+                                      &error_abort);
+    qemu_opt_set(opts, "shift", "0", &error_abort);
+    configure_icount(opts, &error_abort);
+    qemu_opts_del(opts);
+    return 0;
+}
+
+static void fuzz_accel_class_init(ObjectClass *oc, void *data)
+{
+    AccelClass *ac = ACCEL_CLASS(oc);
+    ac->name = "fuzz";
+    ac->init_machine = fuzz_init_accel;
+    ac->setup_post = fuzz_setup_post;
+    ac->allowed = &fuzz_allowed;
+}
+
+#define TYPE_FUZZ_ACCEL ACCEL_CLASS_NAME("fuzz")
+
+static const TypeInfo fuzz_accel_type = {
+    .name = TYPE_FUZZ_ACCEL,
+    .parent = TYPE_ACCEL,
+    .class_init = fuzz_accel_class_init,
+};
+
+static void fuzz_type_init(void)
+{
+    type_register_static(&fuzz_accel_type);
+}
+
+type_init(fuzz_type_init);
+
diff --git a/include/sysemu/fuzz.h b/include/sysemu/fuzz.h
new file mode 100644
index 0000000000..09a2a9ffdf
--- /dev/null
+++ b/include/sysemu/fuzz.h
@@ -0,0 +1,15 @@
+#ifndef FUZZ_H
+#define FUZZ_H
+
+bool fuzz_allowed;
+
+static inline bool fuzz_enabled(void)
+{
+    return fuzz_allowed;
+}
+
+bool fuzz_driver(void);
+
+void fuzz_init(const char *fuzz_chrdev, const char *fuzz_log, Error **errp);
+
+#endif
-- 
2.20.1




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