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/*
* Alpha cpu parameters for qemu.
*
* Copyright (c) 2007 Jocelyn Mayer
* SPDX-License-Identifier: LGPL-2.0+
*/
#ifndef ALPHA_CPU_PARAM_H
#define ALPHA_CPU_PARAM_H
#define TARGET_LONG_BITS 64
/* ??? EV4 has 34 phys addr bits, EV5 has 40, EV6 has 44. */
#define TARGET_PHYS_ADDR_SPACE_BITS 44
#ifdef CONFIG_USER_ONLY
/*
* Allow user-only to vary page size. Real hardware allows only 8k and 64k,
* but since any variance means guests cannot assume a fixed value, allow
* a 4k minimum to match x86 host, which can minimize emulation issues.
*/
# define TARGET_PAGE_BITS_VARY
# define TARGET_PAGE_BITS_MIN 12
# define TARGET_VIRT_ADDR_SPACE_BITS 63
#else
# define TARGET_PAGE_BITS 13
# define TARGET_VIRT_ADDR_SPACE_BITS (30 + TARGET_PAGE_BITS)
#endif
/* Alpha processors have a weak memory model */
#define TCG_GUEST_DEFAULT_MO (0)
#endif
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