174433bf0SRichard Henderson /* 274433bf0SRichard Henderson * ARM cpu parameters for qemu. 374433bf0SRichard Henderson * 474433bf0SRichard Henderson * Copyright (c) 2003 Fabrice Bellard 574433bf0SRichard Henderson * SPDX-License-Identifier: LGPL-2.0+ 674433bf0SRichard Henderson */ 774433bf0SRichard Henderson 874433bf0SRichard Henderson #ifndef ARM_CPU_PARAM_H 94f31b54bSMarkus Armbruster #define ARM_CPU_PARAM_H 1074433bf0SRichard Henderson 1174433bf0SRichard Henderson #ifdef TARGET_AARCH64 1274433bf0SRichard Henderson # define TARGET_LONG_BITS 64 137a928f43SRichard Henderson # define TARGET_PHYS_ADDR_SPACE_BITS 52 140af312b6SRichard Henderson # define TARGET_VIRT_ADDR_SPACE_BITS 52 1574433bf0SRichard Henderson #else 1674433bf0SRichard Henderson # define TARGET_LONG_BITS 32 1774433bf0SRichard Henderson # define TARGET_PHYS_ADDR_SPACE_BITS 40 1874433bf0SRichard Henderson # define TARGET_VIRT_ADDR_SPACE_BITS 32 1974433bf0SRichard Henderson #endif 2074433bf0SRichard Henderson 2174433bf0SRichard Henderson #ifdef CONFIG_USER_ONLY 220e0c030cSRichard Henderson # ifdef TARGET_AARCH64 230e0c030cSRichard Henderson # define TARGET_TAGGED_ADDRESSES 24a575230fSRichard Henderson /* Allow user-only to vary page size from 4k */ 25a575230fSRichard Henderson # define TARGET_PAGE_BITS_VARY 26a575230fSRichard Henderson # define TARGET_PAGE_BITS_MIN 12 27a575230fSRichard Henderson # else 28a575230fSRichard Henderson # define TARGET_PAGE_BITS 12 290e0c030cSRichard Henderson # endif 30e92dd332SPhilippe Mathieu-Daudé #else /* !CONFIG_USER_ONLY */ 3174433bf0SRichard Henderson /* 3274433bf0SRichard Henderson * ARMv7 and later CPUs have 4K pages minimum, but ARMv5 and v6 3374433bf0SRichard Henderson * have to support 1K tiny pages. 3474433bf0SRichard Henderson */ 3574433bf0SRichard Henderson # define TARGET_PAGE_BITS_VARY 3674433bf0SRichard Henderson # define TARGET_PAGE_BITS_MIN 10 37e92dd332SPhilippe Mathieu-Daudé #endif /* !CONFIG_USER_ONLY */ 3824d18d5dSRichard Henderson 39e92dd332SPhilippe Mathieu-Daudé /* ARM processors have a weak memory model */ 40e92dd332SPhilippe Mathieu-Daudé #define TCG_GUEST_DEFAULT_MO (0) 4174433bf0SRichard Henderson 4274433bf0SRichard Henderson #endif 43