28 lines
688 B
C
28 lines
688 B
C
/*
|
|
* i386 cpu parameters for qemu.
|
|
*
|
|
* Copyright (c) 2003 Fabrice Bellard
|
|
* SPDX-License-Identifier: LGPL-2.0+
|
|
*/
|
|
|
|
#ifndef I386_CPU_PARAM_H
|
|
#define I386_CPU_PARAM_H 1
|
|
|
|
#ifdef TARGET_X86_64
|
|
# define TARGET_LONG_BITS 64
|
|
# define TARGET_PHYS_ADDR_SPACE_BITS 52
|
|
/*
|
|
* ??? This is really 48 bits, sign-extended, but the only thing
|
|
* accessible to userland with bit 48 set is the VSYSCALL, and that
|
|
* is handled via other mechanisms.
|
|
*/
|
|
# define TARGET_VIRT_ADDR_SPACE_BITS 47
|
|
#else
|
|
# define TARGET_LONG_BITS 32
|
|
# define TARGET_PHYS_ADDR_SPACE_BITS 36
|
|
# define TARGET_VIRT_ADDR_SPACE_BITS 32
|
|
#endif
|
|
#define TARGET_PAGE_BITS 12
|
|
#define NB_MMU_MODES 3
|
|
|
|
#endif
|