1f7888e225
Add a way to set a backing store for the mac_nvram similar to what spapr_nvram or mac_via PRAM already does to allow to save its contents between runs. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <4b1605a9e484cc95f6e141f297487a070fd418ac.1675297286.git.balaton@eik.bme.hu> Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/*
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* PowerMac NVRAM emulation
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*
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* Copyright (c) 2004-2007 Fabrice Bellard
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* Copyright (c) 2007 Jocelyn Mayer
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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 MAC_NVRAM_H
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#define MAC_NVRAM_H
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#include "exec/memory.h"
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#include "hw/sysbus.h"
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#define MACIO_NVRAM_SIZE 0x2000
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#define TYPE_MACIO_NVRAM "macio-nvram"
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OBJECT_DECLARE_SIMPLE_TYPE(MacIONVRAMState, MACIO_NVRAM)
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struct MacIONVRAMState {
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/*< private >*/
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SysBusDevice parent_obj;
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/*< public >*/
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uint32_t size;
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uint32_t it_shift;
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MemoryRegion mem;
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uint8_t *data;
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BlockBackend *blk;
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};
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void pmac_format_nvram_partition(MacIONVRAMState *nvr, int len);
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#endif /* MAC_NVRAM_H */
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