1/*
2 * i386 cpu parameters for qemu.
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 * SPDX-License-Identifier: LGPL-2.0+
6 */
7
8#ifndef I386_CPU_PARAM_H
9#define I386_CPU_PARAM_H 1
10
11#ifdef TARGET_X86_64
12# define TARGET_LONG_BITS 64
13# define TARGET_PHYS_ADDR_SPACE_BITS 52
14/*
15 * ??? This is really 48 bits, sign-extended, but the only thing
16 * accessible to userland with bit 48 set is the VSYSCALL, and that
17 * is handled via other mechanisms.
18 */
19# define TARGET_VIRT_ADDR_SPACE_BITS 47
20#else
21# define TARGET_LONG_BITS 32
22# define TARGET_PHYS_ADDR_SPACE_BITS 36
23# define TARGET_VIRT_ADDR_SPACE_BITS 32
24#endif
25#define TARGET_PAGE_BITS 12
26#define NB_MMU_MODES 3
27
28#endif
29