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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_SPARC64_H__
#define __KVM_SPARC64_H__
#ifdef __sparc64__
#include <sys/queue.h>
#include <machine/tlb.h>
#include <machine/tte.h>
#include <vm/vm.h>
#include <vm/vm_param.h>
#endif
#define SPARC64_PAGE_SHIFT 13
#define SPARC64_PAGE_SIZE (1 << SPARC64_PAGE_SHIFT)
#define SPARC64_PAGE_MASK (SPARC64_PAGE_SIZE - 1)
#define SPARC64_MIN_DIRECT_ADDRESS (0xfffff80000000000)
#define SPARC64_DIRECT_ADDRESS_BITS (43)
#define SPARC64_DIRECT_ADDRESS_MASK \
(((uint64_t)1 << SPARC64_DIRECT_ADDRESS_BITS) - 1)
#define SPARC64_DIRECT_TO_PHYS(va) ((va) & SPARC64_DIRECT_ADDRESS_MASK)
#define SPARC64_TTE_SHIFT (5)
#define SPARC64_TD_SIZE_SHIFT (61)
#define SPARC64_TD_PA_SHIFT (13)
#define SPARC64_TD_SIZE_BITS (2)
#define SPARC64_TD_PA_CH_BITS (30) /* US-III{,i,+}, US-IV{,+}, SPARC64 V */
#define SPARC64_TD_PA_BITS SPARC64_TD_PA_CH_BITS
#define SPARC64_TD_SIZE_MASK (((uint64_t)1 << SPARC64_TD_SIZE_BITS) - 1)
#define SPARC64_TD_PA_MASK (((uint64_t)1 << SPARC64_TD_PA_BITS) - 1)
#define SPARC64_TD_V ((uint64_t)1 << 63)
#define SPARC64_TV_SIZE_BITS (SPARC64_TD_SIZE_BITS)
#define SPARC64_TV_VPN(va, sz) \
((((va) >> SPARC64_TTE_PAGE_SHIFT(sz)) << SPARC64_TV_SIZE_BITS) | sz)
#define SPARC64_TTE_SIZE_SPREAD (3)
#define SPARC64_TTE_PAGE_SHIFT(sz) \
(SPARC64_PAGE_SHIFT + ((sz) * SPARC64_TTE_SIZE_SPREAD))
#define SPARC64_TTE_GET_SIZE(tp) \
(((tp)->tte_data >> SPARC64_TD_SIZE_SHIFT) & SPARC64_TD_SIZE_MASK)
#define SPARC64_TTE_GET_PA(tp) \
((tp)->tte_data & (SPARC64_TD_PA_MASK << SPARC64_TD_PA_SHIFT))
struct sparc64_tte {
uint64_t tte_vpn;
uint64_t tte_data;
};
static __inline int
sparc64_tte_match(struct sparc64_tte *tp, kvaddr_t va)
{
return (((tp->tte_data & SPARC64_TD_V) != 0) &&
(tp->tte_vpn == SPARC64_TV_VPN(va, SPARC64_TTE_GET_SIZE(tp))));
}
#ifdef __sparc64__
_Static_assert(PAGE_SHIFT == SPARC64_PAGE_SHIFT, "PAGE_SHIFT mismatch");
_Static_assert(PAGE_SIZE == SPARC64_PAGE_SIZE, "PAGE_SIZE mismatch");
_Static_assert(PAGE_MASK == SPARC64_PAGE_MASK, "PAGE_MASK mismatch");
_Static_assert(VM_MIN_DIRECT_ADDRESS == SPARC64_MIN_DIRECT_ADDRESS,
"VM_MIN_DIRECT_ADDRESS mismatch");
_Static_assert(TLB_DIRECT_ADDRESS_BITS == SPARC64_DIRECT_ADDRESS_BITS,
"TLB_DIRECT_ADDRESS_BITS mismatch");
_Static_assert(TLB_DIRECT_ADDRESS_MASK == SPARC64_DIRECT_ADDRESS_MASK,
"TLB_DIRECT_ADDRESS_MASK mismatch");
_Static_assert(TTE_SHIFT == SPARC64_TTE_SHIFT, "TTE_SHIFT mismatch");
_Static_assert(TD_SIZE_SHIFT == SPARC64_TD_SIZE_SHIFT,
"TD_SIZE_SHIFT mismatch");
_Static_assert(TD_PA_SHIFT == SPARC64_TD_PA_SHIFT,
"TD_PA_SHIFT mismatch");
_Static_assert(TD_SIZE_BITS == SPARC64_TD_SIZE_BITS, "TD_SIZE_BITS mismatch");
_Static_assert(TD_PA_BITS == SPARC64_TD_PA_BITS, "TD_PA_BITS mismatch");
_Static_assert(TD_SIZE_MASK == SPARC64_TD_SIZE_MASK, "TD_SIZE_MASK mismatch");
_Static_assert(TD_PA_MASK == SPARC64_TD_PA_MASK, "TD_PA_MASK mismatch");
_Static_assert(TD_V == SPARC64_TD_V, "TD_V mismatch");
_Static_assert(TV_SIZE_BITS == SPARC64_TV_SIZE_BITS, "TV_SIZE_BITS mismatch");
_Static_assert(TTE_SIZE_SPREAD == SPARC64_TTE_SIZE_SPREAD,
"TTE_SIZE_SPREAD mismatch");
#endif
#endif /* !__KVM_SPARC64_H__ */
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