diff options
Diffstat (limited to 'include/hw/rtc/m48t59.h')
-rw-r--r-- | include/hw/rtc/m48t59.h | 50 |
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 */ |