/* * PowerPC cpu parameters for qemu. * * Copyright (c) 2007 Jocelyn Mayer * SPDX-License-Identifier: LGPL-2.0-or-later */ #ifndef PPC_CPU_PARAM_H #define PPC_CPU_PARAM_H #ifdef TARGET_PPC64 # define TARGET_LONG_BITS 64 /* * Note that the official physical address space bits is 62-M where M * is implementation dependent. I've not looked up M for the set of * cpus we emulate at the system level. */ #define TARGET_PHYS_ADDR_SPACE_BITS 62 /* * Note that the PPC environment architecture talks about 80 bit virtual * addresses, with segmentation. Obviously that's not all visible to a * single process, which is all we're concerned with here. */ # ifdef TARGET_ABI32 # define TARGET_VIRT_ADDR_SPACE_BITS 32 # else # define TARGET_VIRT_ADDR_SPACE_BITS 64 # endif #else # define TARGET_LONG_BITS 32 # define TARGET_PHYS_ADDR_SPACE_BITS 36 # define TARGET_VIRT_ADDR_SPACE_BITS 32 #endif #ifdef CONFIG_USER_ONLY /* 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 #define TCG_GUEST_DEFAULT_MO 0 #endif