first public release

[dpdk.git] / app / test / test_cpuflags.c

diff --git a/app/test/test_cpuflags.c b/app/test/test_cpuflags.c
new file mode 100644 (file)
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--- /dev/null
+++ b/app/test/test_cpuflags.c
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+/*-
+ *   BSD LICENSE
+ * 
+ *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *   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.
+ *     * Neither the name of Intel Corporation nor the names of its 
+ *       contributors may be used to endorse or promote products derived 
+ *       from this software without specific prior written permission.
+ * 
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ *   "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 COPYRIGHT 
+ *   OWNER OR CONTRIBUTORS 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.
+ * 
+ *  version: DPDK.L.1.2.3-3
+ */
+
+#include <stdio.h>
+
+#include <cmdline_parse.h>
+#include <errno.h>
+#include <stdint.h>
+#include <rte_cpuflags.h>
+#include <rte_debug.h>
+
+#include "test.h"
+
+
+/* convenience define */
+#define CHECK_FOR_FLAG(x) \
+                       result = rte_cpu_get_flag_enabled(x);    \
+                       printf("%s\n", cpu_flag_result(result)); \
+                       if (result == -ENOENT)                   \
+                               return -1;
+
+/*
+ * Helper function to display result
+ */
+static inline const char *
+cpu_flag_result(int result)
+{
+       switch (result) {
+       case 0:
+               return "NOT PRESENT";
+       case 1:
+               return "OK";
+       default:
+               return "ERROR";
+       }
+}
+
+
+
+/*
+ * CPUID test
+ * ===========
+ *
+ * - Check flags from different registers with rte_cpu_get_flag_enabled()
+ * - Check if register and CPUID functions fail properly
+ */
+
+int
+test_cpuflags(void)
+{
+       int result;
+       printf("\nChecking for flags from different registers...\n");
+
+       printf("Check for SSE:\t\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_SSE);
+
+       printf("Check for SSE2:\t\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_SSE2);
+
+       printf("Check for SSE3:\t\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_SSE3);
+
+       printf("Check for SSE4.1:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_1);
+
+       printf("Check for SSE4.2:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_SSE4_2);
+
+       printf("Check for AVX:\t\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_AVX);
+
+       printf("Check for AVX2:\t\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_AVX2);
+
+       printf("Check for TRBOBST:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_TRBOBST);
+
+       printf("Check for ENERGY_EFF:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_ENERGY_EFF);
+
+       printf("Check for LAHF_SAHF:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_LAHF_SAHF);
+
+       printf("Check for 1GB_PG:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_1GB_PG);
+
+       printf("Check for INVTSC:\t");
+       CHECK_FOR_FLAG(RTE_CPUFLAG_INVTSC);
+
+
+
+       /*
+        * Check if invalid data is handled properly
+        */
+       printf("\nCheck for invalid flag:\t");
+       result = rte_cpu_get_flag_enabled(RTE_CPUFLAG_NUMFLAGS);
+       printf("%s\n", cpu_flag_result(result));
+       if (result != -ENOENT)
+               return -1;
+
+       return 0;
+}