xref: /qemu/include/hw/nvram/mac_nvram.h (revision 87e5a4f8c23236a559c63ca089c35d3e6066d3df)
1 /*
2  * QEMU PowerMac emulation shared definitions and prototypes
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 PPC_MAC_H
27 #define PPC_MAC_H
28 
29 #include "exec/memory.h"
30 #include "hw/sysbus.h"
31 
32 #define NVRAM_SIZE        0x2000
33 #define PROM_FILENAME    "openbios-ppc"
34 
35 #define KERNEL_LOAD_ADDR 0x01000000
36 #define KERNEL_GAP       0x00100000
37 
38 /* Mac NVRAM */
39 #define TYPE_MACIO_NVRAM "macio-nvram"
40 OBJECT_DECLARE_SIMPLE_TYPE(MacIONVRAMState, MACIO_NVRAM)
41 
42 struct MacIONVRAMState {
43     /*< private >*/
44     SysBusDevice parent_obj;
45     /*< public >*/
46 
47     uint32_t size;
48     uint32_t it_shift;
49 
50     MemoryRegion mem;
51     uint8_t *data;
52 };
53 
54 void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len);
55 #endif /* PPC_MAC_H */
56