1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 36 #include <errno.h> 37 #include <stdint.h> 38 #include <rte_cpuflags.h> 39 #include <rte_debug.h> 40 41 #include "test.h" 42 43 44 /* convenience define */ 45 #define CHECK_FOR_FLAG(x) \ 46 result = rte_cpu_get_flag_enabled(x); \ 47 printf("%s\n", cpu_flag_result(result)); \ 48 if (result == -ENOENT) \ 49 return -1; 50 51 /* 52 * Helper function to display result 53 */ 54 static inline const char * 55 cpu_flag_result(int result) 56 { 57 switch (result) { 58 case 0: 59 return "NOT PRESENT"; 60 case 1: 61 return "OK"; 62 default: 63 return "ERROR"; 64 } 65 } 66 67 68 69 /* 70 * CPUID test 71 * =========== 72 * 73 * - Check flags from different registers with rte_cpu_get_flag_enabled() 74 * - Check if register and CPUID functions fail properly 75 */ 76 77 static int 78 test_cpuflags(void) 79 { 80 int result; 81 printf("\nChecking for flags from different registers...\n"); 82 83 #ifdef RTE_ARCH_PPC_64 84 printf("Check for PPC64:\t\t"); 85 CHECK_FOR_FLAG(RTE_CPUFLAG_PPC64); 86 87 printf("Check for PPC32:\t\t"); 88 CHECK_FOR_FLAG(RTE_CPUFLAG_PPC32); 89 90 printf("Check for VSX:\t\t"); 91 CHECK_FOR_FLAG(RTE_CPUFLAG_VSX); 92 93 printf("Check for DFP:\t\t"); 94 CHECK_FOR_FLAG(RTE_CPUFLAG_DFP); 95 96 printf("Check for FPU:\t\t"); 97 CHECK_FOR_FLAG(RTE_CPUFLAG_FPU); 98 99 printf("Check for SMT:\t\t"); 100 CHECK_FOR_FLAG(RTE_CPUFLAG_SMT); 101 102 printf("Check for MMU:\t\t"); 103 CHECK_FOR_FLAG(RTE_CPUFLAG_MMU); 104 105 printf("Check for ALTIVEC:\t\t"); 106 CHECK_FOR_FLAG(RTE_CPUFLAG_ALTIVEC); 107 108 printf("Check for ARCH_2_06:\t\t"); 109 CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_06); 110 111 printf("Check for ARCH_2_07:\t\t"); 112 CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_07); 113 114 printf("Check for ICACHE_SNOOP:\t\t"); 115 CHECK_FOR_FLAG(RTE_CPUFLAG_ICACHE_SNOOP); 116 #else 117 printf("Check for SSE:\t\t"); 118 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE); 119 120 printf("Check for SSE2:\t\t"); 121 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2); 122 123 printf("Check for SSE3:\t\t"); 124 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3); 125 126 printf("Check for SSE4.1:\t"); 127 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1); 128 129 printf("Check for SSE4.2:\t"); 130 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2); 131 132 printf("Check for AVX:\t\t"); 133 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX); 134 135 printf("Check for AVX2:\t\t"); 136 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2); 137 138 printf("Check for TRBOBST:\t"); 139 CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST); 140 141 printf("Check for ENERGY_EFF:\t"); 142 CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF); 143 144 printf("Check for LAHF_SAHF:\t"); 145 CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF); 146 147 printf("Check for 1GB_PG:\t"); 148 CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG); 149 150 printf("Check for INVTSC:\t"); 151 CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC); 152 153 154 #endif 155 156 /* 157 * Check if invalid data is handled properly 158 */ 159 printf("\nCheck for invalid flag:\t"); 160 result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS); 161 printf("%s\n", cpu_flag_result(result)); 162 if (result != -ENOENT) 163 return -1; 164 165 return 0; 166 } 167 168 static struct test_command cpuflags_cmd = { 169 .command = "cpuflags_autotest", 170 .callback = test_cpuflags, 171 }; 172 REGISTER_TEST_COMMAND(cpuflags_cmd); 173