vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) National ICT Australia, 2006 |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 13 | * the GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* NICTA */ |
| 21 | /* 13/02/2006 Implemented carl.vanschaik at nicta.com.au */ |
| 22 | |
| 23 | /* mem03.c */ |
| 24 | /* |
| 25 | * NAME |
| 26 | * mem03.c |
| 27 | * |
| 28 | * DESCRIPTION |
| 29 | * - create two files, write known data to the files. |
| 30 | * - mmap the files, verify data |
| 31 | * - unmap files |
| 32 | * - remmap files, swap virtual addresses ie: file1 at file2's address, etc |
| 33 | * |
| 34 | * REASONING |
| 35 | * - If the kernel fails to correctly flush the TLB entry, the second mmap |
| 36 | * will not show the correct data. |
| 37 | * |
| 38 | * |
| 39 | * RESTRICTIONS |
| 40 | * None |
| 41 | */ |
| 42 | |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 43 | #include <stdio.h> |
| 44 | #include <signal.h> |
| 45 | #include <stdlib.h> |
| 46 | #include "test.h" |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 47 | #include <unistd.h> |
| 48 | #include <errno.h> |
| 49 | #include <time.h> |
| 50 | #include <string.h> |
| 51 | #include <sys/types.h> |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 52 | #include <sys/stat.h> /* definitions for open() */ |
| 53 | #include <sys/mman.h> /* definitions for mmap() */ |
| 54 | #include <fcntl.h> /* definition of open() */ |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 55 | #include <sys/user.h> |
| 56 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 57 | #define FAILED (-1) /* return status for all funcs indicating failure */ |
| 58 | #define SUCCESS 0 /* return status for all routines indicating success */ |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 59 | |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 60 | static void setup(); |
| 61 | static void cleanup(); |
| 62 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 63 | char *TCID = "mem03"; |
| 64 | int TST_TOTAL = 1; |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 65 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 66 | int f1 = -1, f2 = -1; |
| 67 | char *mm1 = NULL, *mm2 = NULL; |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 68 | |
| 69 | /*--------------------------------------------------------------------*/ |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 70 | int main(void) |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 71 | { |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 72 | char tmp1[] = "./tmp.file.1"; |
| 73 | char tmp2[] = "./tmp.file.2"; |
| 74 | |
| 75 | char str1[] = "testing 123"; |
| 76 | char str2[] = "my test mem"; |
| 77 | |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 78 | setup(); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 79 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 80 | if ((f1 = open(tmp1, O_RDWR | O_CREAT, S_IREAD | S_IWRITE)) == -1) |
| 81 | tst_brkm(TFAIL, cleanup, "failed to open/create file %s", tmp1); |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 82 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 83 | if ((f2 = open(tmp2, O_RDWR | O_CREAT, S_IREAD | S_IWRITE)) == -1) |
| 84 | tst_brkm(TFAIL, cleanup, "failed to open/create file %s", tmp2); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 85 | |
| 86 | write(f1, str1, strlen(str1)); |
| 87 | write(f2, str2, strlen(str2)); |
| 88 | |
| 89 | { |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 90 | char *save_mm1, *save_mm2; |
| 91 | |
| 92 | mm1 = mmap(0, 64, PROT_READ, MAP_PRIVATE, f1, 0); |
| 93 | mm2 = mmap(0, 64, PROT_READ, MAP_PRIVATE, f2, 0); |
| 94 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 95 | if ((mm1 == (void *)-1) || (mm2 == (void *)-1)) |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 96 | tst_brkm(TFAIL, cleanup, "mmap failed"); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 97 | |
| 98 | save_mm1 = mm1; |
| 99 | save_mm2 = mm2; |
| 100 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 101 | if (strncmp(str1, mm1, strlen(str1))) |
| 102 | tst_brkm(TFAIL, cleanup, "failed on compare %s", tmp1); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 103 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 104 | if (strncmp(str2, mm2, strlen(str2))) |
| 105 | tst_brkm(TFAIL, cleanup, "failed on compare %s", tmp2); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 106 | |
| 107 | munmap(mm1, 64); |
| 108 | munmap(mm2, 64); |
| 109 | |
| 110 | mm1 = mmap(save_mm2, 64, PROT_READ, MAP_PRIVATE, f1, 0); |
| 111 | mm2 = mmap(save_mm1, 64, PROT_READ, MAP_PRIVATE, f2, 0); |
| 112 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 113 | if ((mm1 == (void *)-1) || (mm2 == (void *)-1)) |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 114 | tst_brkm(TFAIL, cleanup, "second mmap failed"); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 115 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 116 | if (mm1 != save_mm2) { |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 117 | printf("mmap not using same address\n"); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 118 | |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 119 | } |
| 120 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 121 | if (mm2 != save_mm1) { |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 122 | printf("mmap not using same address\n"); |
Garrett Cooper | 2c28215 | 2010-12-16 00:55:50 -0800 | [diff] [blame] | 123 | |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 124 | } |
| 125 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 126 | if (strncmp(str1, mm1, strlen(str1))) |
| 127 | tst_brkm(TFAIL, cleanup, "failed on compare %s", tmp1); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 128 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 129 | if (strncmp(str2, mm2, strlen(str2))) |
| 130 | tst_brkm(TFAIL, cleanup, "failed on compare %s", tmp2); |
| 131 | |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 132 | munmap(mm1, 64); |
| 133 | munmap(mm2, 64); |
| 134 | } |
| 135 | |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 136 | tst_resm(TPASS, "%s memory test succeeded", TCID); |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 137 | |
| 138 | /* clean up and exit */ |
| 139 | cleanup(); |
| 140 | |
Garrett Cooper | 7d0a4a5 | 2010-12-16 10:05:08 -0800 | [diff] [blame] | 141 | tst_exit(); |
vapier | b56735e | 2006-08-21 07:05:41 +0000 | [diff] [blame] | 142 | } |
| 143 | |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 144 | /* |
| 145 | * setup() - performs all ONE TIME setup for this test |
| 146 | */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 147 | void setup(void) |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 148 | { |
| 149 | /* |
| 150 | * Create a temporary directory and cd into it. |
| 151 | */ |
| 152 | tst_tmpdir(); |
| 153 | } |
| 154 | |
| 155 | /* |
| 156 | * cleanup() - performs all the ONE TIME cleanup for this test at completion |
| 157 | * or premature exit. |
| 158 | */ |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 159 | void cleanup(void) |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 160 | { |
| 161 | if (mm1) |
| 162 | munmap(mm1, 64); |
| 163 | if (mm2) |
| 164 | munmap(mm2, 64); |
| 165 | |
| 166 | if (f1 != -1) |
| 167 | close(f1); |
| 168 | if (f2 != -1) |
| 169 | close(f2); |
| 170 | |
subrata_modak | 8c5ab48 | 2008-02-27 14:31:11 +0000 | [diff] [blame] | 171 | tst_rmdir(); |
| 172 | |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 173 | } |