qemu/target/arm/cpu-param.h
Philippe Mathieu-Daudé 21d41c566d tcg: Declare TARGET_INSN_START_EXTRA_WORDS in 'cpu-param.h'
To avoid including the huge "cpu.h" for a simple definition,
move TARGET_INSN_START_EXTRA_WORDS to "cpu-param.h".

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-04-23 15:07:32 -07:00

50 lines
1.1 KiB
C

/*
* ARM cpu parameters for qemu.
*
* Copyright (c) 2003 Fabrice Bellard
* SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef ARM_CPU_PARAM_H
#define ARM_CPU_PARAM_H
#ifdef TARGET_AARCH64
# define TARGET_PHYS_ADDR_SPACE_BITS 52
# define TARGET_VIRT_ADDR_SPACE_BITS 52
#else
# define TARGET_PHYS_ADDR_SPACE_BITS 40
# define TARGET_VIRT_ADDR_SPACE_BITS 32
#endif
#ifdef CONFIG_USER_ONLY
# ifdef TARGET_AARCH64
# define TARGET_TAGGED_ADDRESSES
# ifdef __FreeBSD__
# define TARGET_PAGE_BITS 12
# else
/* Allow user-only to vary page size from 4k */
# define TARGET_PAGE_BITS_VARY
# endif
# else
# define TARGET_PAGE_BITS 12
# endif
#else /* !CONFIG_USER_ONLY */
/*
* ARMv7 and later CPUs have 4K pages minimum, but ARMv5 and v6
* have to support 1K tiny pages.
*/
# define TARGET_PAGE_BITS_VARY
# define TARGET_PAGE_BITS_LEGACY 10
#endif /* !CONFIG_USER_ONLY */
/*
* ARM-specific extra insn start words:
* 1: Conditional execution bits
* 2: Partial exception syndrome for data aborts
*/
#define TARGET_INSN_START_EXTRA_WORDS 2
/* ARM processors have a weak memory model */
#define TCG_GUEST_DEFAULT_MO (0)
#endif