1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Version: 7.5 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 2009 VMware, Inc. All Rights Reserved. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/compiler.h" 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/cpuinfo.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * This function should be called before the various "cpu_has_foo" macros 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * are used. 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_get_cpu_features(void) 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef USE_X86_ASM 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_get_x86_features(); 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Return a string describing the CPU architexture and extensions that 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa is using (such as SSE or Altivec). 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \return information string, free it with free() 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgchar * 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org_mesa_get_cpu_string(void) 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define MAX_STRING 50 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char *buffer; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buffer = (char *) malloc(MAX_STRING); 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!buffer) 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org buffer[0] = 0; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#ifdef USE_X86_ASM 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (_mesa_x86_cpu_features) { 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcat(buffer, "x86"); 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# ifdef USE_MMX_ASM 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (cpu_has_mmx) { 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcat(buffer, (cpu_has_mmxext) ? "/MMX+" : "/MMX"); 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# endif 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# ifdef USE_3DNOW_ASM 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (cpu_has_3dnow) { 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcat(buffer, (cpu_has_3dnowext) ? "/3DNow!+" : "/3DNow!"); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# endif 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# ifdef USE_SSE_ASM 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (cpu_has_xmm) { 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcat(buffer, (cpu_has_xmm2) ? "/SSE2" : "/SSE"); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org# endif 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#elif defined(USE_SPARC_ASM) 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org strcat(buffer, "SPARC"); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(strlen(buffer) < MAX_STRING); 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return buffer; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 92