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74433bf0 RH |
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 |