0,0 → 1,103 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - 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. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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. |
*/ |
|
/** @addtogroup ia64mm |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef KERN_ia64_TLB_H_ |
#define KERN_ia64_TLB_H_ |
|
#define tlb_arch_init() |
#define tlb_print() |
|
#include <arch/mm/page.h> |
#include <arch/mm/asid.h> |
#include <arch/interrupt.h> |
#include <arch/types.h> |
|
/** Data and instruction Translation Register indices. */ |
#define DTR_KERNEL 0 |
#define ITR_KERNEL 0 |
#define DTR_KSTACK1 1 |
#define DTR_KSTACK2 2 |
|
/** Portion of TLB insertion format data structure. */ |
union tlb_entry { |
uint64_t word[2]; |
struct { |
/* Word 0 */ |
unsigned p : 1; /**< Present. */ |
unsigned : 1; |
unsigned ma : 3; /**< Memory attribute. */ |
unsigned a : 1; /**< Accessed. */ |
unsigned d : 1; /**< Dirty. */ |
unsigned pl : 2; /**< Privilege level. */ |
unsigned ar : 3; /**< Access rights. */ |
unsigned long long ppn : 38; /**< Physical Page Number, a.k.a. PFN. */ |
unsigned : 2; |
unsigned ed : 1; |
unsigned ig1 : 11; |
|
/* Word 1 */ |
unsigned : 2; |
unsigned ps : 6; /**< Page size will be 2^ps. */ |
unsigned key : 24; /**< Protection key, unused. */ |
unsigned : 32; |
} __attribute__ ((packed)); |
} __attribute__ ((packed)); |
typedef union tlb_entry tlb_entry_t; |
|
extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc); |
extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry); |
|
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr); |
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr); |
|
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr); |
extern void dtr_purge(uintptr_t page, count_t width); |
|
extern void dtc_pte_copy(pte_t *t); |
extern void itc_pte_copy(pte_t *t); |
|
extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate); |
extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate); |
extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate); |
extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate); |
extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate); |
extern void data_access_bit_fault(uint64_t vector, istate_t *istate); |
extern void page_not_present(uint64_t vector, istate_t *istate); |
|
#endif |
|
/** @} |
*/ |