xref: /qemu/target/arm/cpu-param.h (revision 0af312b6)
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
974433bf0SRichard Henderson #define ARM_CPU_PARAM_H 1
1074433bf0SRichard Henderson 
1174433bf0SRichard Henderson #ifdef TARGET_AARCH64
1274433bf0SRichard Henderson # define TARGET_LONG_BITS             64
1374433bf0SRichard Henderson # define TARGET_PHYS_ADDR_SPACE_BITS  48
14*0af312b6SRichard 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
2274433bf0SRichard Henderson #define TARGET_PAGE_BITS 12
230e0c030cSRichard Henderson # ifdef TARGET_AARCH64
240e0c030cSRichard Henderson #  define TARGET_TAGGED_ADDRESSES
250e0c030cSRichard Henderson # endif
2674433bf0SRichard Henderson #else
2774433bf0SRichard Henderson /*
2874433bf0SRichard Henderson  * ARMv7 and later CPUs have 4K pages minimum, but ARMv5 and v6
2974433bf0SRichard Henderson  * have to support 1K tiny pages.
3074433bf0SRichard Henderson  */
3174433bf0SRichard Henderson # define TARGET_PAGE_BITS_VARY
3274433bf0SRichard Henderson # define TARGET_PAGE_BITS_MIN  10
3374433bf0SRichard Henderson #endif
3474433bf0SRichard Henderson 
35b6ad6062SRémi Denis-Courmont #define NB_MMU_MODES 15
3674433bf0SRichard Henderson 
3774433bf0SRichard Henderson #endif
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