accel: extend AccelState and AccelClass to user-mode

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>

[claudio: rebased on Richard's splitwx work]

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Message-Id: <20210204163931.7358-17-cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/accel/accel-softmmu.c b/accel/accel-softmmu.c
new file mode 100644
index 0000000000..f89da8f9d1
--- /dev/null
+++ b/accel/accel-softmmu.c
@@ -0,0 +1,62 @@
+/*
+ * QEMU accel class, system emulation components
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2014 Red Hat Inc.
+ *
+ * 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 "qemu/accel.h"
+#include "hw/boards.h"
+#include "sysemu/arch_init.h"
+#include "sysemu/sysemu.h"
+#include "qom/object.h"
+
+int accel_init_machine(AccelState *accel, MachineState *ms)
+{
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
+    int ret;
+    ms->accelerator = accel;
+    *(acc->allowed) = true;
+    ret = acc->init_machine(ms);
+    if (ret < 0) {
+        ms->accelerator = NULL;
+        *(acc->allowed) = false;
+        object_unref(OBJECT(accel));
+    } else {
+        object_set_accelerator_compat_props(acc->compat_props);
+    }
+    return ret;
+}
+
+AccelState *current_accel(void)
+{
+    return current_machine->accelerator;
+}
+
+void accel_setup_post(MachineState *ms)
+{
+    AccelState *accel = ms->accelerator;
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
+    if (acc->setup_post) {
+        acc->setup_post(ms, accel);
+    }
+}