blob: 2d5f3aa312cbfae5fb1aace8b7e8846d269b7865 [file] [log] [blame]
/*
* ARM cpu parameters for qemu.
*
* Copyright (c) 2003 Fabrice Bellard
* SPDX-License-Identifier: LGPL-2.0+
*/
#ifndef ARM_CPU_PARAM_H
#define ARM_CPU_PARAM_H
#ifdef TARGET_AARCH64
# define TARGET_LONG_BITS 64
# define TARGET_PHYS_ADDR_SPACE_BITS 52
# define TARGET_VIRT_ADDR_SPACE_BITS 52
#else
# define TARGET_LONG_BITS 32
# define TARGET_PHYS_ADDR_SPACE_BITS 40
# define TARGET_VIRT_ADDR_SPACE_BITS 32
#endif
#ifdef CONFIG_USER_ONLY
# ifdef TARGET_AARCH64
# define TARGET_TAGGED_ADDRESSES
/* Allow user-only to vary page size from 4k */
# define TARGET_PAGE_BITS_VARY
# define TARGET_PAGE_BITS_MIN 12
# else
# define TARGET_PAGE_BITS 12
# endif
#else /* !CONFIG_USER_ONLY */
/*
* ARMv7 and later CPUs have 4K pages minimum, but ARMv5 and v6
* have to support 1K tiny pages.
*/
# define TARGET_PAGE_BITS_VARY
# define TARGET_PAGE_BITS_MIN 10
#endif /* !CONFIG_USER_ONLY */
/* ARM processors have a weak memory model */
#define TCG_GUEST_DEFAULT_MO (0)
#endif