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64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
/*-
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* Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __KVM_AARCH64_H__
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#define __KVM_AARCH64_H__
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#ifdef __aarch64__
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#include <machine/pte.h>
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#endif
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typedef uint64_t aarch64_physaddr_t;
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typedef uint64_t aarch64_pte_t;
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#define AARCH64_PAGE_SHIFT_4K 12
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#define AARCH64_PAGE_SIZE_4K (1 << AARCH64_PAGE_SHIFT_4K)
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#define AARCH64_PAGE_SHIFT_16K 14
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#define AARCH64_PAGE_SIZE_16K (1 << AARCH64_PAGE_SHIFT_16K)
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/* Source: arm64/include/pte.h */
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#define AARCH64_ATTR_MASK 0xfffc000000000fff
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#define AARCH64_ATTR_UXN (1ULL << 54)
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#define AARCH64_ATTR_PXN (1ULL << 53)
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#define AARCH64_ATTR_XN (AARCH64_ATTR_PXN | AARCH64_ATTR_UXN)
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#define AARCH64_ATTR_AP(x) ((x) << 6)
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#define AARCH64_ATTR_AP_RO (1 << 1)
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#define AARCH64_ATTR_DESCR_MASK 3
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#define AARCH64_L3_SHIFT_4K 12
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#define AARCH64_L3_SHIFT_16K 14
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#define AARCH64_L3_PAGE 0x3
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#ifdef __aarch64__
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_Static_assert(ATTR_MASK == AARCH64_ATTR_MASK, "ATTR_MASK mismatch");
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_Static_assert(ATTR_DESCR_MASK == AARCH64_ATTR_DESCR_MASK,
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"ATTR_DESCR_MASK mismatch");
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_Static_assert(L3_PAGE == AARCH64_L3_PAGE, "L3_PAGE mismatch");
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#endif
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#endif /* !__KVM_AARCH64_H__ */
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