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