| 1 | /*
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| 2 | * Copyright (c) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #include <test.h>
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| 30 | #include <mm/page.h>
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| 31 | #include <mm/frame.h>
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| 32 | #include <mm/as.h>
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| 33 | #include <arch/mm/page.h>
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| 34 | #include <arch/mm/tlb.h>
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| 35 | #include <typedefs.h>
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| 36 |
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| 37 | extern void tlb_invalidate_all(void);
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| 38 | extern void tlb_invalidate_pages(asid_t asid, uintptr_t va, size_t cnt);
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| 39 |
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| 40 | const char *test_purge1(void)
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| 41 | {
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| 42 | tlb_entry_t entryi;
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| 43 | tlb_entry_t entryd;
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| 44 |
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| 45 | int i;
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| 46 |
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| 47 | entryd.word[0] = 0;
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| 48 | entryd.word[1] = 0;
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| 49 |
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| 50 | entryd.p = true; /* present */
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| 51 | entryd.ma = MA_WRITEBACK;
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| 52 | entryd.a = true; /* already accessed */
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| 53 | entryd.d = true; /* already dirty */
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| 54 | entryd.pl = PL_KERNEL;
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| 55 | entryd.ar = AR_READ | AR_WRITE;
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| 56 | entryd.ppn = 0;
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| 57 | entryd.ps = PAGE_WIDTH;
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| 58 |
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| 59 | entryi.word[0] = 0;
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| 60 | entryi.word[1] = 0;
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| 61 |
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| 62 | entryi.p = true; /* present */
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| 63 | entryi.ma = MA_WRITEBACK;
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| 64 | entryi.a = true; /* already accessed */
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| 65 | entryi.d = true; /* already dirty */
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| 66 | entryi.pl = PL_KERNEL;
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| 67 | entryi.ar = AR_READ | AR_EXECUTE;
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| 68 | entryi.ppn = 0;
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| 69 | entryi.ps = PAGE_WIDTH;
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| 70 |
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| 71 | for (i = 0; i < 100; i++) {
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| 72 | itc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 8, entryi);
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| 73 | dtc_mapping_insert(0 + i * (1 << PAGE_WIDTH), 9, entryd);
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| 74 | }
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| 75 |
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| 76 | tlb_invalidate_pages(8, 0x0c000, 14);
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| 77 |
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| 78 | /* tlb_invalidate_all(); */
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| 79 |
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| 80 | return NULL;
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| 81 | }
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