unicorn/qemu/target/i386/cpu-param.h
Richard Henderson df2a890bd7
tcg: Split out target/arch/cpu-param.h
For all targets, into this new file move TARGET_LONG_BITS,
TARGET_PAGE_BITS, TARGET_PHYS_ADDR_SPACE_BITS,
TARGET_VIRT_ADDR_SPACE_BITS, and NB_MMU_MODES.

Include this new file from exec/cpu-defs.h.

This now removes the somewhat odd requirement that target/arch/cpu.h
defines TARGET_LONG_BITS before including exec/cpu-defs.h, so push the
bulk of the includes within target/arch/cpu.h to the top.

Backports commit 74433bf083b0766aba81534f92de13194f23ff3e from qemu
2019-06-10 19:35:46 -04:00

29 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