blob: 77c5ed9a6787cacea9230b8669f9d8148b924b21 [file] [log] [blame]
/*
* PowerPC cpu parameters for qemu.
*
* Copyright (c) 2007 Jocelyn Mayer
* SPDX-License-Identifier: LGPL-2.0+
*/
#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