blob: c14937476c1c41ca00174d52d6fba61893aedb1d [file] [log] [blame]
/*
* 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_RTC_M48T59_H */