| 0,0 → 1,77 |
|---|
| /* |
| * Copyright (C) 2006 Martin Decky |
| * 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. |
| */ |
| |
| #include <mm/tlb.h> |
| |
| |
| /** Initialize Page Hash Table. |
| * |
| * Setup the Page Hash Table with no entries. |
| * |
| */ |
| void tlb_arch_init(void) |
| { |
| tlb_invalidate_all(); |
| } |
| |
| |
| void tlb_invalidate_all(void) |
| { |
| asm volatile ( |
| "tlbia\n" |
| "tlbsync\n" |
| ); |
| } |
| |
| |
| /** Invalidate all entries in TLB that belong to specified address space. |
| * |
| * @param asid This parameter is ignored as the architecture doesn't support it. |
| */ |
| void tlb_invalidate_asid(asid_t asid) |
| { |
| tlb_invalidate_all(); |
| } |
| |
| /** Invalidate TLB entries for specified page range belonging to specified address space. |
| * |
| * @param asid This parameter is ignored as the architecture doesn't support it. |
| * @param page Address of the first page whose entry is to be invalidated. |
| * @param cnt Number of entries to invalidate. |
| */ |
| void tlb_invalidate_pages(asid_t asid, __address page, count_t cnt) |
| { |
| tlb_invalidate_all(); |
| } |
| |
| |
| |
| /** Print contents of Page Hash Table. */ |
| void tlb_print(void) |
| { |
| } |