1 | /* |
2 | * PowerPC cpu parameters for qemu. |
3 | * |
4 | * Copyright (c) 2007 Jocelyn Mayer |
5 | * SPDX-License-Identifier: LGPL-2.0+ |
6 | */ |
7 | |
8 | #ifndef PPC_CPU_PARAM_H |
9 | #define PPC_CPU_PARAM_H 1 |
10 | |
11 | #ifdef TARGET_PPC64 |
12 | # define TARGET_LONG_BITS 64 |
13 | /* |
14 | * Note that the official physical address space bits is 62-M where M |
15 | * is implementation dependent. I've not looked up M for the set of |
16 | * cpus we emulate at the system level. |
17 | */ |
18 | #define TARGET_PHYS_ADDR_SPACE_BITS 62 |
19 | /* |
20 | * Note that the PPC environment architecture talks about 80 bit virtual |
21 | * addresses, with segmentation. Obviously that's not all visible to a |
22 | * single process, which is all we're concerned with here. |
23 | */ |
24 | # ifdef TARGET_ABI32 |
25 | # define TARGET_VIRT_ADDR_SPACE_BITS 32 |
26 | # else |
27 | # define TARGET_VIRT_ADDR_SPACE_BITS 64 |
28 | # endif |
29 | #else |
30 | # define TARGET_LONG_BITS 32 |
31 | # define TARGET_PHYS_ADDR_SPACE_BITS 36 |
32 | # define TARGET_VIRT_ADDR_SPACE_BITS 32 |
33 | #endif |
34 | #define TARGET_PAGE_BITS 12 |
35 | #define NB_MMU_MODES 10 |
36 | |
37 | #endif |
38 | |