aboutsummaryrefslogtreecommitdiffstats
path: root/include/hw/rtc/m48t59.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/hw/rtc/m48t59.h')
-rw-r--r--include/hw/rtc/m48t59.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/hw/rtc/m48t59.h b/include/hw/rtc/m48t59.h
new file mode 100644
index 000000000..d9b45eb16
--- /dev/null
+++ b/include/hw/rtc/m48t59.h
@@ -0,0 +1,50 @@
+/*
+ * QEMU M48T59 and M48T08 NVRAM emulation
+ *
+ * Copyright (c) 2003-2005, 2007 Jocelyn Mayer
+ * Copyright (c) 2013 Hervé Poussineau
+ *
+ * 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.
+ */
+
+#ifndef HW_RTC_M48T59_H
+#define HW_RTC_M48T59_H
+
+#include "exec/hwaddr.h"
+#include "qom/object.h"
+
+#define TYPE_NVRAM "nvram"
+
+typedef struct NvramClass NvramClass;
+DECLARE_CLASS_CHECKERS(NvramClass, NVRAM,
+ TYPE_NVRAM)
+#define NVRAM(obj) \
+ INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
+
+typedef struct Nvram Nvram;
+
+struct NvramClass {
+ InterfaceClass parent;
+
+ uint32_t (*read)(Nvram *obj, uint32_t addr);
+ void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
+ void (*toggle_lock)(Nvram *obj, int lock);
+};
+
+#endif /* HW_M48T59_H */