| 0,0 → 1,105 |
|---|
| /* |
| * 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 __ia64_TLB_H__ |
| #define __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> |
| #include <typedefs.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 |
| |
| /** @} |
| */ |
| |