| 1 | /* |
| 2 | * PowerMac NVRAM emulation |
| 3 | * |
| 4 | * Copyright (c) 2004-2007 Fabrice Bellard |
| 5 | * Copyright (c) 2007 Jocelyn Mayer |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #ifndef MAC_NVRAM_H |
| 27 | #define MAC_NVRAM_H |
| 28 | |
| 29 | #include "system/memory.h" |
| 30 | #include "hw/core/sysbus.h" |
| 31 | |
| 32 | #define MACIO_NVRAM_SIZE 0x2000 |
| 33 | |
| 34 | #define TYPE_MACIO_NVRAM "macio-nvram" |
| 35 | OBJECT_DECLARE_SIMPLE_TYPE(MacIONVRAMState, MACIO_NVRAM) |
| 36 | |
| 37 | struct MacIONVRAMState { |
| 38 | /*< private >*/ |
| 39 | SysBusDevice parent_obj; |
| 40 | /*< public >*/ |
| 41 | |
| 42 | uint32_t size; |
| 43 | uint32_t it_shift; |
| 44 | |
| 45 | MemoryRegion mem; |
| 46 | uint8_t *data; |
| 47 | BlockBackend *blk; |
| 48 | }; |
| 49 | |
| 50 | void pmac_format_nvram_partition(MacIONVRAMState *nvr, int len); |
| 51 | |
| 52 | #endif /* MAC_NVRAM_H */ |