19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* CPU feature detection for SDL */ 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL.h" 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_cpuinfo.h" 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__)) 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <sys/sysctl.h> /* For AltiVec check */ 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <signal.h> 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <setjmp.h> 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_RDTSC 0x00000001 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_MMX 0x00000002 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_MMXEXT 0x00000004 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_3DNOW 0x00000010 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_3DNOWEXT 0x00000020 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_SSE 0x00000040 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_SSE2 0x00000080 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define CPU_HAS_ALTIVEC 0x00000100 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* This is the brute force way of detecting instruction sets... 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall the idea is borrowed from the libmpeg2 library - thanks! 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic jmp_buf jmpbuf; 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void illegal_instruction(int sig) 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall longjmp(jmpbuf, 1); 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* HAVE_SETJMP */ 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveCPUID(void) 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int has_CPUID = 0; 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__GNUC__) && defined(i386) 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfl # Get original EFLAGS \n" 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%eax \n" 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %%eax,%%ecx \n" 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %%eax # Save new EFLAGS value on stack \n" 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popfl # Replace current EFLAGS value \n" 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfl # Get new EFLAGS \n" 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%eax # Store new EFLAGS in EAX \n" 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%ecx,%%eax # Can not toggle ID bit, \n" 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jz 1f # Processor=80486 \n" 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $1,%0 # We have CPUID support \n" 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (has_CPUID) 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%eax", "%ecx" 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__GNUC__) && defined(__x86_64__) 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Technically, if this is being compiled under __x86_64__ then it has 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallCPUid by definition. But it's nice to be able to prove it. :) */ 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfq # Get original EFLAGS \n" 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rax \n" 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movq %%rax,%%rcx \n" 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %%rax # Save new EFLAGS value on stack \n" 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popfq # Replace current EFLAGS value \n" 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfq # Get new EFLAGS \n" 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rax # Store new EFLAGS in EAX \n" 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%ecx,%%eax # Can not toggle ID bit, \n" 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jz 1f # Processor=80486 \n" 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $1,%0 # We have CPUID support \n" 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (has_CPUID) 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%rax", "%rcx" 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm { 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pushfd ; Get original EFLAGS 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop eax 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov ecx, eax 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall xor eax, 200000h ; Flip ID bit in EFLAGS 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall push eax ; Save new EFLAGS value on stack 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall popfd ; Replace current EFLAGS value 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pushfd ; Get new EFLAGS 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop eax ; Store new EFLAGS in EAX 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall xor eax, ecx ; Can not toggle ID bit, 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall jz done ; Processor=80486 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov has_CPUID,1 ; We have CPUID support 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halldone: 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__sun) && defined(__i386) 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm ( 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfl \n" 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %eax \n" 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %eax,%ecx \n" 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl $0x200000,%eax \n" 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %eax \n" 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popfl \n" 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfl \n" 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %eax \n" 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %ecx,%eax \n" 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jz 1f \n" 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $1,-8(%ebp) \n" 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__sun) && defined(__amd64) 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm ( 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfq \n" 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %rax \n" 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movq %rax,%rcx \n" 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl $0x200000,%eax \n" 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %rax \n" 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popfq \n" 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushfq \n" 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %rax \n" 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %ecx,%eax \n" 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jz 1f \n" 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $1,-8(%rbp) \n" 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return has_CPUID; 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_getCPUIDFeatures(void) 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int features = 0; 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__GNUC__) && defined(i386) 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%eax,%%eax # Set up for CPUID instruction \n" 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %%ebx \n" 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get and save vendor ID \n" 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%ebx \n" 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f # We dont have the CPUID instruction\n" 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%eax,%%eax \n" 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" incl %%eax \n" 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %%ebx \n" 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get family/model/stepping/features\n" 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%ebx \n" 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %%edx,%0 \n" 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (features) 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%eax", "%ecx", "%edx" 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__GNUC__) && defined(__x86_64__) 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%eax,%%eax # Set up for CPUID instruction \n" 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %%rbx \n" 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get and save vendor ID \n" 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rbx \n" 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f # We dont have the CPUID instruction\n" 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %%eax,%%eax \n" 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" incl %%eax \n" 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %%rbx \n" 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get family/model/stepping/features\n" 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rbx \n" 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %%edx,%0 \n" 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (features) 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%rax", "%rcx", "%rdx" 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm { 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall xor eax, eax ; Set up for CPUID instruction 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall push ebx 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cpuid ; Get and save vendor ID 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop ebx 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cmp eax, 1 ; Make sure 1 is valid input for CPUID 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall jl done ; We dont have the CPUID instruction 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall xor eax, eax 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall inc eax 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall push ebx 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cpuid ; Get family/model/stepping/features 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop ebx 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov features, edx 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halldone: 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__sun) && (defined(__i386) || defined(__amd64)) 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm( 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %eax,%eax \n" 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %ebx \n" 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid \n" 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %ebx \n" 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $1,%eax \n" 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f \n" 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" xorl %eax,%eax \n" 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" incl %eax \n" 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %ebx \n" 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid \n" 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %ebx \n" 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef __i386 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %edx,-8(%ebp) \n" 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %edx,-8(%rbp) \n" 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return features; 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_getCPUIDFeaturesExt(void) 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int features = 0; 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__GNUC__) && defined(i386) 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000000,%%eax # Query for extended functions \n" 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %%ebx \n" 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get extended function limit \n" 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%ebx \n" 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $0x80000001,%%eax \n" 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f # Nope, we dont have function 800000001h\n" 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000001,%%eax # Setup extended function 800000001h\n" 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %%ebx \n" 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # and get the information \n" 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %%ebx \n" 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %%edx,%0 \n" 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (features) 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%eax", "%ecx", "%edx" 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__GNUC__) && defined (__x86_64__) 2489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm__ ( 2499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000000,%%eax # Query for extended functions \n" 2509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %%rbx \n" 2519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # Get extended function limit \n" 2529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rbx \n" 2539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $0x80000001,%%eax \n" 2549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f # Nope, we dont have function 800000001h\n" 2559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000001,%%eax # Setup extended function 800000001h\n" 2569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushq %%rbx \n" 2579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid # and get the information \n" 2589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popq %%rbx \n" 2599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %%edx,%0 \n" 2609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 2619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "=m" (features) 2629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 2639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "%rax", "%rcx", "%rdx" 2649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 2659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 2669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm { 2679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov eax,80000000h ; Query for extended functions 2689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall push ebx 2699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cpuid ; Get extended function limit 2709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop ebx 2719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cmp eax,80000001h 2729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall jl done ; Nope, we dont have function 800000001h 2739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov eax,80000001h ; Setup extended function 800000001h 2749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall push ebx 2759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall cpuid ; and get the information 2769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pop ebx 2779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall mov features,edx 2789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Halldone: 2799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif defined(__sun) && ( defined(__i386) || defined(__amd64) ) 2819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall __asm ( 2829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000000,%eax \n" 2839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %ebx \n" 2849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid \n" 2859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %ebx \n" 2869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cmpl $0x80000001,%eax \n" 2879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" jl 1f \n" 2889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl $0x80000001,%eax \n" 2899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" pushl %ebx \n" 2909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" cpuid \n" 2919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" popl %ebx \n" 2929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef __i386 2939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %edx,-8(%ebp) \n" 2949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else 2959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall" movl %edx,-8(%rbp) \n" 2969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 2979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall"1: \n" 2989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ); 2999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 3009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return features; 3019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveRDTSC(void) 3049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeatures() & 0x00000010); 3079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveMMX(void) 3129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeatures() & 0x00800000); 3159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveMMXExt(void) 3209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeaturesExt() & 0x00400000); 3239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_have3DNow(void) 3289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeaturesExt() & 0x80000000); 3319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_have3DNowExt(void) 3369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeaturesExt() & 0x40000000); 3399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveSSE(void) 3449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeatures() & 0x02000000); 3479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveSSE2(void) 3529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveCPUID() ) { 3549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return (CPU_getCPUIDFeatures() & 0x04000000); 3559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 3579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic __inline__ int CPU_haveAltiVec(void) 3609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall volatile int altivec = 0; 3629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__)) 3639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int selectors[2] = { CTL_HW, HW_VECTORUNIT }; 3649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int hasVectorUnit = 0; 3659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall size_t length = sizeof(hasVectorUnit); 3669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0); 3679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if( 0 == error ) 3689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall altivec = (hasVectorUnit != 0); 3699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP 3709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall void (*handler)(int sig); 3719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall handler = signal(SIGILL, illegal_instruction); 3729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( setjmp(jmpbuf) == 0 ) { 3739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall asm volatile ("mtspr 256, %0\n\t" 3749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall "vand %%v0, %%v0, %%v0" 3759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : 3769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall : "r" (-1)); 3779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall altivec = 1; 3789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall signal(SIGILL, handler); 3809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 3819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return altivec; 3829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic Uint32 SDL_CPUFeatures = 0xFFFFFFFF; 3859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic Uint32 SDL_GetCPUFeatures(void) 3879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_CPUFeatures == 0xFFFFFFFF ) { 3899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures = 0; 3909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveRDTSC() ) { 3919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_RDTSC; 3929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveMMX() ) { 3949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_MMX; 3959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveMMXExt() ) { 3979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_MMXEXT; 3989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_have3DNow() ) { 4009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_3DNOW; 4019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_have3DNowExt() ) { 4039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_3DNOWEXT; 4049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveSSE() ) { 4069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_SSE; 4079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveSSE2() ) { 4099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_SSE2; 4109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( CPU_haveAltiVec() ) { 4129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_CPUFeatures |= CPU_HAS_ALTIVEC; 4139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_CPUFeatures; 4169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasRDTSC(void) 4199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) { 4219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasMMX(void) 4279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_MMX ) { 4299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasMMXExt(void) 4359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) { 4379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_Has3DNow(void) 4439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOW ) { 4459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_Has3DNowExt(void) 4519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) { 4539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasSSE(void) 4599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_SSE ) { 4619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasSSE2(void) 4679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) { 4699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_bool SDL_HasAltiVec(void) 4759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC ) { 4779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_TRUE; 4789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_FALSE; 4809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#ifdef TEST_MAIN 4839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <stdio.h> 4859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint main() 4879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("RDTSC: %d\n", SDL_HasRDTSC()); 4899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("MMX: %d\n", SDL_HasMMX()); 4909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("MMXExt: %d\n", SDL_HasMMXExt()); 4919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("3DNow: %d\n", SDL_Has3DNow()); 4929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("3DNowExt: %d\n", SDL_Has3DNowExt()); 4939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("SSE: %d\n", SDL_HasSSE()); 4949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("SSE2: %d\n", SDL_HasSSE2()); 4959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall printf("AltiVec: %d\n", SDL_HasAltiVec()); 4969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 4979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* TEST_MAIN */ 500