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lib/libkvm/kvm_sparc64.h
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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__ */ |