4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
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.
38 #include <rte_cpuflags.h>
39 #include <rte_debug.h>
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) \
52 * Helper function to display result
54 static inline const char *
55 cpu_flag_result(int result)
73 * - Check flags from different registers with rte_cpu_get_flag_enabled()
74 * - Check if register and CPUID functions fail properly
81 printf("\nChecking for flags from different registers...\n");
83 #ifdef RTE_ARCH_PPC_64
84 printf("Check for PPC64:\t\t");
85 CHECK_FOR_FLAG(RTE_CPUFLAG_PPC64);
87 printf("Check for PPC32:\t\t");
88 CHECK_FOR_FLAG(RTE_CPUFLAG_PPC32);
90 printf("Check for VSX:\t\t");
91 CHECK_FOR_FLAG(RTE_CPUFLAG_VSX);
93 printf("Check for DFP:\t\t");
94 CHECK_FOR_FLAG(RTE_CPUFLAG_DFP);
96 printf("Check for FPU:\t\t");
97 CHECK_FOR_FLAG(RTE_CPUFLAG_FPU);
99 printf("Check for SMT:\t\t");
100 CHECK_FOR_FLAG(RTE_CPUFLAG_SMT);
102 printf("Check for MMU:\t\t");
103 CHECK_FOR_FLAG(RTE_CPUFLAG_MMU);
105 printf("Check for ALTIVEC:\t\t");
106 CHECK_FOR_FLAG(RTE_CPUFLAG_ALTIVEC);
108 printf("Check for ARCH_2_06:\t\t");
109 CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_06);
111 printf("Check for ARCH_2_07:\t\t");
112 CHECK_FOR_FLAG(RTE_CPUFLAG_ARCH_2_07);
114 printf("Check for ICACHE_SNOOP:\t\t");
115 CHECK_FOR_FLAG(RTE_CPUFLAG_ICACHE_SNOOP);
118 #if defined(RTE_ARCH_ARM)
119 printf("Check for NEON:\t\t");
120 CHECK_FOR_FLAG(RTE_CPUFLAG_NEON);
123 #if defined(RTE_ARCH_ARM64)
124 printf("Check for FP:\t\t");
125 CHECK_FOR_FLAG(RTE_CPUFLAG_FP);
127 printf("Check for ASIMD:\t");
128 CHECK_FOR_FLAG(RTE_CPUFLAG_NEON);
130 printf("Check for EVTSTRM:\t");
131 CHECK_FOR_FLAG(RTE_CPUFLAG_EVTSTRM);
133 printf("Check for AES:\t\t");
134 CHECK_FOR_FLAG(RTE_CPUFLAG_AES);
136 printf("Check for PMULL:\t");
137 CHECK_FOR_FLAG(RTE_CPUFLAG_PMULL);
139 printf("Check for SHA1:\t\t");
140 CHECK_FOR_FLAG(RTE_CPUFLAG_SHA1);
142 printf("Check for SHA2:\t\t");
143 CHECK_FOR_FLAG(RTE_CPUFLAG_SHA2);
145 printf("Check for CRC32:\t");
146 CHECK_FOR_FLAG(RTE_CPUFLAG_CRC32);
148 printf("Check for ATOMICS:\t");
149 CHECK_FOR_FLAG(RTE_CPUFLAG_ATOMICS);
152 #if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
153 printf("Check for SSE:\t\t");
154 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE);
156 printf("Check for SSE2:\t\t");
157 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2);
159 printf("Check for SSE3:\t\t");
160 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3);
162 printf("Check for SSE4.1:\t");
163 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1);
165 printf("Check for SSE4.2:\t");
166 CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2);
168 printf("Check for AVX:\t\t");
169 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX);
171 printf("Check for AVX2:\t\t");
172 CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2);
174 printf("Check for TRBOBST:\t");
175 CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST);
177 printf("Check for ENERGY_EFF:\t");
178 CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF);
180 printf("Check for LAHF_SAHF:\t");
181 CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF);
183 printf("Check for 1GB_PG:\t");
184 CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG);
186 printf("Check for INVTSC:\t");
187 CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC);
191 * Check if invalid data is handled properly
193 printf("\nCheck for invalid flag:\t");
194 result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS);
195 printf("%s\n", cpu_flag_result(result));
196 if (result != -ENOENT)
202 static struct test_command cpuflags_cmd = {
203 .command = "cpuflags_autotest",
204 .callback = test_cpuflags,
206 REGISTER_TEST_COMMAND(cpuflags_cmd);