58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
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/*
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* QEMU M48T59 and M48T08 NVRAM emulation
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*
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* Copyright (c) 2003-2005, 2007 Jocelyn Mayer
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* Copyright (c) 2013 Hervé Poussineau
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef HW_RTC_M48T59_H
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#define HW_RTC_M48T59_H
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#include "exec/hwaddr.h"
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#include "qom/object.h"
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#define TYPE_NVRAM "nvram"
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#define NVRAM_CLASS(klass) \
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OBJECT_CLASS_CHECK(NvramClass, (klass), TYPE_NVRAM)
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#define NVRAM_GET_CLASS(obj) \
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OBJECT_GET_CLASS(NvramClass, (obj), TYPE_NVRAM)
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#define NVRAM(obj) \
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INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
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typedef struct Nvram Nvram;
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typedef struct NvramClass {
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InterfaceClass parent;
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uint32_t (*read)(Nvram *obj, uint32_t addr);
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void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
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void (*toggle_lock)(Nvram *obj, int lock);
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} NvramClass;
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Nvram *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
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int base_year, int type);
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Nvram *m48t59_init(qemu_irq IRQ, hwaddr mem_base,
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uint32_t io_base, uint16_t size, int base_year,
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int type);
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#endif /* HW_M48T59_H */
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