X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_cpuflags.c;h=1ebf78cc2a4805cf6ac0c3b73b27e82aef2939d0;hb=1896b4ec5e7ad5089fa17120bebf17d5dea8f476;hp=8312614b65d74c53539f3593e17ad3f5948e8e0c;hpb=277ff5bb75b05480c3f42597a4c5019d51833fdf;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_cpuflags.c b/lib/librte_eal/common/eal_common_cpuflags.c index 8312614b65..1ebf78cc2a 100644 --- a/lib/librte_eal/common/eal_common_cpuflags.c +++ b/lib/librte_eal/common/eal_common_cpuflags.c @@ -1,35 +1,34 @@ /*- * BSD LICENSE * - * Copyright(c) 2010-2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2014 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 + * 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 + * * 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 + * * 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 + * * 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 + * 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. - * */ #include #include @@ -162,11 +161,13 @@ static const struct feature_entry cpu_feature_table[] = { {FEAT_DEF(FSGSBASE), {0x7, 0, 0, 0, REG_EBX}, 0x00000001}, {FEAT_DEF(BMI1), {0x7, 0, 0, 0, REG_EBX}, 0x00000004}, - {FEAT_DEF(AVX2), {0x7, 0, 0, 0, REG_EBX}, 0x00000010}, + {FEAT_DEF(HLE), {0x7, 0, 0, 0, REG_EBX}, 0x00000010}, + {FEAT_DEF(AVX2), {0x7, 0, 0, 0, REG_EBX}, 0x00000020}, {FEAT_DEF(SMEP), {0x7, 0, 0, 0, REG_EBX}, 0x00000040}, {FEAT_DEF(BMI2), {0x7, 0, 0, 0, REG_EBX}, 0x00000080}, {FEAT_DEF(ERMS), {0x7, 0, 0, 0, REG_EBX}, 0x00000100}, {FEAT_DEF(INVPCID), {0x7, 0, 0, 0, REG_EBX}, 0x00000400}, + {FEAT_DEF(RTM), {0x7, 0, 0, 0, REG_EBX}, 0x00000800}, {FEAT_DEF(LAHF_SAHF), {0x80000001, 0, 0, 0, REG_ECX}, 0x00000001}, {FEAT_DEF(LZCNT), {0x80000001, 0, 0, 0, REG_ECX}, 0x00000010}, @@ -191,17 +192,33 @@ rte_cpu_get_features(struct cpuid_parameters_t params) { int eax, ebx, ecx, edx; /* registers */ - asm volatile ("cpuid" - /* output */ - : "=a" (eax), - "=b" (ebx), - "=c" (ecx), - "=d" (edx) - /* input */ - : "a" (params.eax), - "b" (params.ebx), - "c" (params.ecx), - "d" (params.edx)); +#ifndef __PIC__ + asm volatile ("cpuid" + /* output */ + : "=a" (eax), + "=b" (ebx), + "=c" (ecx), + "=d" (edx) + /* input */ + : "a" (params.eax), + "b" (params.ebx), + "c" (params.ecx), + "d" (params.edx)); +#else + asm volatile ( + "mov %%ebx, %%edi\n" + "cpuid\n" + "xchgl %%ebx, %%edi;\n" + : "=a" (eax), + "=D" (ebx), + "=c" (ecx), + "=d" (edx) + /* input */ + : "a" (params.eax), + "D" (params.ebx), + "c" (params.ecx), + "d" (params.edx)); +#endif switch (params.return_register) { case REG_EAX: