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/*-
* Copyright (c) 2015 John H. Baldwin <jhb@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __KVM_MIPS_H__
#define __KVM_MIPS_H__
#ifdef __mips__
#include <machine/pte.h>
#endif
typedef uint64_t mips_physaddr_t;
#define MIPS_PAGE_SHIFT 12
#define MIPS_PAGE_SIZE (1 << MIPS_PAGE_SHIFT)
#define MIPS_PAGE_MASK (MIPS_PAGE_SIZE - 1)
#define MIPS32_KSEG0_START 0x80000000
#define MIPS32_KSEG0_END 0x9fffffff
#define MIPS32_KSEG1_START 0xa0000000
#define MIPS32_KSEG1_END 0xbfffffff
#define MIPS64_KSEG0_START 0xffffffff80000000
#define MIPS64_KSEG0_END 0xffffffff9fffffff
#define MIPS64_KSEG1_START 0xffffffffa0000000
#define MIPS64_KSEG1_END 0xffffffffbfffffff
#define MIPS32_PFN_MASK (0x1FFFFFC0)
#define MIPS64_PFN_MASK 0x3FFFFFFC0
#define MIPS_PFN_SHIFT (6)
#define MIPS_PFN_TO_PA(pfn) (((pfn) >> MIPS_PFN_SHIFT) << MIPS_PAGE_SHIFT)
#define MIPS32_PTE_TO_PFN(pte) ((pte) & MIPS32_PFN_MASK)
#define MIPS32_PTE_TO_PA(pte) (MIPS_PFN_TO_PA(MIPS32_PTE_TO_PFN((pte))))
#define MIPS64_PTE_TO_PFN(pte) ((pte) & MIPS64_PFN_MASK)
#define MIPS64_PTE_TO_PA(pte) (MIPS_PFN_TO_PA(MIPS64_PTE_TO_PFN((pte))))
#ifdef __mips__
_Static_assert(PAGE_SHIFT == MIPS_PAGE_SHIFT, "PAGE_SHIFT mismatch");
_Static_assert(PAGE_SIZE == MIPS_PAGE_SIZE, "PAGE_SIZE mismatch");
_Static_assert(PAGE_MASK == MIPS_PAGE_MASK, "PAGE_MASK mismatch");
#ifdef __mips_n64
_Static_assert((uint64_t)MIPS_KSEG0_START == MIPS64_KSEG0_START,
"MIPS_KSEG0_START mismatch");
_Static_assert((uint64_t)MIPS_KSEG0_END == MIPS64_KSEG0_END,
"MIPS_KSEG0_END mismatch");
_Static_assert((uint64_t)MIPS_KSEG1_START == MIPS64_KSEG1_START,
"MIPS_KSEG1_START mismatch");
_Static_assert((uint64_t)MIPS_KSEG1_END == MIPS64_KSEG1_END,
"MIPS_KSEG1_END mismatch");
#else
_Static_assert((uint32_t)MIPS_KSEG0_START == MIPS32_KSEG0_START,
"MIPS_KSEG0_START mismatch");
_Static_assert((uint32_t)MIPS_KSEG0_END == MIPS32_KSEG0_END,
"MIPS_KSEG0_END mismatch");
_Static_assert((uint32_t)MIPS_KSEG1_START == MIPS32_KSEG1_START,
"MIPS_KSEG1_START mismatch");
_Static_assert((uint32_t)MIPS_KSEG1_END == MIPS32_KSEG1_END,
"MIPS_KSEG1_END mismatch");
#endif
#if defined(__mips_n64) || defined(__mips_n32)
_Static_assert(TLBLO_PFN_MASK == MIPS64_PFN_MASK, "TLBLO_PFN_MASK mismatch");
#else
_Static_assert(TLBLO_PFN_MASK == MIPS32_PFN_MASK, "TLBLO_PFN_MASK mismatch");
#endif
_Static_assert(TLBLO_PFN_SHIFT == MIPS_PFN_SHIFT, "TLBLO_PFN_SHIFT mismatch");
_Static_assert(TLB_PAGE_SHIFT == MIPS_PAGE_SHIFT, "TLB_PAGE_SHIFT mismatch");
#endif
#endif /* !__KVM_MIPS_H__ */
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