qemu/target/i386/cpu-param.h
Richard Henderson 98281984a3 target/i386: Add MMU_PHYS_IDX and MMU_NESTED_IDX
These new mmu indexes will be helpful for improving
paging and code throughout the target.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221002172956.265735-6-richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-10-18 13:58:04 +02:00

33 lines
746 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
#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 5
#ifndef CONFIG_USER_ONLY
# define TARGET_TB_PCREL 1
#endif
#endif