Mercurial > sdl-ios-xcode
annotate src/cpuinfo/SDL_cpuinfo.c @ 4242:fa62bede8038 SDL-1.2
Fixed bug #734
Nicholas Phillips 2009-04-26 21:34:05 PDT
I am using x64 Linux (using Intel Core 2 DUO), and I have noticed that there is
an error in SDL_cpuinfo.c, function CPU_getCPUIDFeaturesExt for my platform.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 26 Sep 2009 10:05:07 +0000 |
parents | 0a9a29fc00c2 |
children | 0319c84d274d |
rev | line source |
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739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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1 /* |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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2 SDL - Simple DirectMedia Layer |
4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
739
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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4 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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5 This library is free software; you can redistribute it and/or |
1312
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Updated copyright information and removed rcs id lines (problematic in branch merges)
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6 modify it under the terms of the GNU Lesser General Public |
739
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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7 License as published by the Free Software Foundation; either |
1312
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8 version 2.1 of the License, or (at your option) any later version. |
739
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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9 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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10 This library is distributed in the hope that it will be useful, |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
1312
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13 Lesser General Public License for more details. |
739
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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14 |
1312
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Updated copyright information and removed rcs id lines (problematic in branch merges)
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15 You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents:
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16 License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
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parents:
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
739
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18 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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19 Sam Lantinga |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
739
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23 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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24 /* CPU feature detection for SDL */ |
22dbf364c017
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25 |
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New configure-based build system. Still work in progress, but much improved
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26 #include "SDL.h" |
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27 #include "SDL_cpuinfo.h" |
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28 |
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Don't detect Altivec on MacOS X Intel
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29 #if defined(__MACOSX__) && defined(__ppc__) |
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30 #include <sys/sysctl.h> /* For AltiVec check */ |
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31 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP |
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Altivec detection on non-MacOS X systems
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32 #include <signal.h> |
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33 #include <setjmp.h> |
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34 #endif |
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35 |
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Greatly simplified the SDL CPU info code
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36 #define CPU_HAS_RDTSC 0x00000001 |
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37 #define CPU_HAS_MMX 0x00000002 |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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784
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38 #define CPU_HAS_MMXEXT 0x00000004 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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39 #define CPU_HAS_3DNOW 0x00000010 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
784
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40 #define CPU_HAS_3DNOWEXT 0x00000020 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
784
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41 #define CPU_HAS_SSE 0x00000040 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
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42 #define CPU_HAS_SSE2 0x00000080 |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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43 #define CPU_HAS_ALTIVEC 0x00000100 |
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44 |
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Cleaning up warnings on MacOS X
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45 #if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ |
793
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46 /* This is the brute force way of detecting instruction sets... |
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47 the idea is borrowed from the libmpeg2 library - thanks! |
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48 */ |
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49 static jmp_buf jmpbuf; |
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50 static void illegal_instruction(int sig) |
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51 { |
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52 longjmp(jmpbuf, 1); |
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53 } |
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54 #endif /* HAVE_SETJMP */ |
793
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55 |
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*** empty log message ***
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56 static __inline__ int CPU_haveCPUID(void) |
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57 { |
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58 int has_CPUID = 0; |
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59 #if defined(__GNUC__) && defined(i386) |
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60 __asm__ ( |
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61 " pushfl # Get original EFLAGS \n" |
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62 " popl %%eax \n" |
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63 " movl %%eax,%%ecx \n" |
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64 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" |
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65 " pushl %%eax # Save new EFLAGS value on stack \n" |
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66 " popfl # Replace current EFLAGS value \n" |
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67 " pushfl # Get new EFLAGS \n" |
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68 " popl %%eax # Store new EFLAGS in EAX \n" |
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69 " xorl %%ecx,%%eax # Can not toggle ID bit, \n" |
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70 " jz 1f # Processor=80486 \n" |
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71 " movl $1,%0 # We have CPUID support \n" |
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72 "1: \n" |
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73 : "=m" (has_CPUID) |
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74 : |
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75 : "%eax", "%ecx" |
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76 ); |
881
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77 #elif defined(__GNUC__) && defined(__x86_64__) |
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78 /* Technically, if this is being compiled under __x86_64__ then it has |
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79 CPUid by definition. But it's nice to be able to prove it. :) */ |
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80 __asm__ ( |
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81 " pushfq # Get original EFLAGS \n" |
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82 " popq %%rax \n" |
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83 " movq %%rax,%%rcx \n" |
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84 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n" |
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85 " pushq %%rax # Save new EFLAGS value on stack \n" |
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86 " popfq # Replace current EFLAGS value \n" |
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87 " pushfq # Get new EFLAGS \n" |
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88 " popq %%rax # Store new EFLAGS in EAX \n" |
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89 " xorl %%ecx,%%eax # Can not toggle ID bit, \n" |
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90 " jz 1f # Processor=80486 \n" |
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91 " movl $1,%0 # We have CPUID support \n" |
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92 "1: \n" |
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93 : "=m" (has_CPUID) |
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94 : |
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95 : "%rax", "%rcx" |
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96 ); |
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97 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
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98 __asm { |
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99 pushfd ; Get original EFLAGS |
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100 pop eax |
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101 mov ecx, eax |
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102 xor eax, 200000h ; Flip ID bit in EFLAGS |
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103 push eax ; Save new EFLAGS value on stack |
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104 popfd ; Replace current EFLAGS value |
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105 pushfd ; Get new EFLAGS |
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106 pop eax ; Store new EFLAGS in EAX |
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107 xor eax, ecx ; Can not toggle ID bit, |
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108 jz done ; Processor=80486 |
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109 mov has_CPUID,1 ; We have CPUID support |
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110 done: |
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111 } |
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I think this fixes bug #244
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112 #elif defined(__sun) && defined(__i386) |
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113 __asm ( |
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114 " pushfl \n" |
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115 " popl %eax \n" |
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116 " movl %eax,%ecx \n" |
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117 " xorl $0x200000,%eax \n" |
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118 " pushl %eax \n" |
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119 " popfl \n" |
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120 " pushfl \n" |
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121 " popl %eax \n" |
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122 " xorl %ecx,%eax \n" |
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123 " jz 1f \n" |
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124 " movl $1,-8(%ebp) \n" |
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125 "1: \n" |
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126 ); |
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127 #elif defined(__sun) && defined(__amd64) |
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128 __asm ( |
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129 " pushfq \n" |
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130 " popq %rax \n" |
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131 " movq %rax,%rcx \n" |
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132 " xorl $0x200000,%eax \n" |
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133 " pushq %rax \n" |
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134 " popfq \n" |
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135 " pushfq \n" |
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136 " popq %rax \n" |
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137 " xorl %ecx,%eax \n" |
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138 " jz 1f \n" |
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139 " movl $1,-8(%rbp) \n" |
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140 "1: \n" |
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141 ); |
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142 #endif |
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143 return has_CPUID; |
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144 } |
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145 |
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146 static __inline__ int CPU_getCPUIDFeatures(void) |
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147 { |
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148 int features = 0; |
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149 #if defined(__GNUC__) && defined(i386) |
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150 __asm__ ( |
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151 " movl %%ebx,%%edi\n" |
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152 " xorl %%eax,%%eax # Set up for CPUID instruction \n" |
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153 " cpuid # Get and save vendor ID \n" |
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154 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" |
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155 " jl 1f # We dont have the CPUID instruction\n" |
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156 " xorl %%eax,%%eax \n" |
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157 " incl %%eax \n" |
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158 " cpuid # Get family/model/stepping/features\n" |
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159 " movl %%edx,%0 \n" |
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160 "1: \n" |
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161 " movl %%edi,%%ebx\n" |
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162 : "=m" (features) |
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163 : |
4242 | 164 : "%eax", "%ebx", "%ecx", "%edx", "%edi" |
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165 ); |
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166 #elif defined(__GNUC__) && defined(__x86_64__) |
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167 __asm__ ( |
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168 " movq %%rbx,%%rdi\n" |
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169 " xorl %%eax,%%eax # Set up for CPUID instruction \n" |
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170 " cpuid # Get and save vendor ID \n" |
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171 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n" |
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172 " jl 1f # We dont have the CPUID instruction\n" |
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173 " xorl %%eax,%%eax \n" |
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174 " incl %%eax \n" |
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175 " cpuid # Get family/model/stepping/features\n" |
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176 " movl %%edx,%0 \n" |
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177 "1: \n" |
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178 " movq %%rdi,%%rbx\n" |
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179 : "=m" (features) |
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180 : |
4242 | 181 : "%rax", "%rbx", "%rcx", "%rdx", "%rdi" |
4180
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182 ); |
1442
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Updated OS/2 build, yay!
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183 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
749
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Updated Visual C++ support
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184 __asm { |
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185 xor eax, eax ; Set up for CPUID instruction |
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186 cpuid ; Get and save vendor ID |
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187 cmp eax, 1 ; Make sure 1 is valid input for CPUID |
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188 jl done ; We dont have the CPUID instruction |
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189 xor eax, eax |
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190 inc eax |
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191 cpuid ; Get family/model/stepping/features |
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192 mov features, edx |
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193 done: |
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194 } |
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I think this fixes bug #244
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195 #elif defined(__sun) && (defined(__i386) || defined(__amd64)) |
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196 __asm( |
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197 " movl %ebx,%edi\n" |
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198 " xorl %eax,%eax \n" |
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199 " cpuid \n" |
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200 " cmpl $1,%eax \n" |
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201 " jl 1f \n" |
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202 " xorl %eax,%eax \n" |
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203 " incl %eax \n" |
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204 " cpuid \n" |
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205 #ifdef __i386 |
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206 " movl %edx,-8(%ebp) \n" |
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207 #else |
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208 " movl %edx,-8(%rbp) \n" |
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209 #endif |
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210 "1: \n" |
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211 " movl %edi,%ebx\n" ); |
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212 #endif |
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213 return features; |
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214 } |
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215 |
1426
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*** empty log message ***
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216 static __inline__ int CPU_getCPUIDFeaturesExt(void) |
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217 { |
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218 int features = 0; |
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219 #if defined(__GNUC__) && defined(i386) |
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220 __asm__ ( |
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221 " movl %%ebx,%%edi\n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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222 " movl $0x80000000,%%eax # Query for extended functions \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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223 " cpuid # Get extended function limit \n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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224 " cmpl $0x80000001,%%eax \n" |
787
07760c8854d1
Date: Sat, 24 Jan 2004 14:49:58 +0100
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225 " jl 1f # Nope, we dont have function 800000001h\n" |
785
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Fixed bugs in CPU feature detection and added extended feature detection
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226 " movl $0x80000001,%%eax # Setup extended function 800000001h\n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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227 " cpuid # and get the information \n" |
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Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
228 " movl %%edx,%0 \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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|
229 "1: \n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
230 " movl %%edi,%%ebx\n" |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
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|
231 : "=m" (features) |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
232 : |
4242 | 233 : "%eax", "%ebx", "%ecx", "%edx", "%edi" |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
234 ); |
4180
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
235 #elif defined(__GNUC__) && defined (__x86_64__) |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
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parents:
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diff
changeset
|
236 __asm__ ( |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
237 " movq %%rbx,%%rdi\n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
238 " movl $0x80000000,%%eax # Query for extended functions \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
239 " cpuid # Get extended function limit \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
240 " cmpl $0x80000001,%%eax \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
241 " jl 1f # Nope, we dont have function 800000001h\n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
242 " movl $0x80000001,%%eax # Setup extended function 800000001h\n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
243 " cpuid # and get the information \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
244 " movl %%edx,%0 \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
245 "1: \n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
246 " movq %%rdi,%%rbx\n" |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
247 : "=m" (features) |
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
248 : |
4242 | 249 : "%rax", "%rbx", "%rcx", "%rdx", "%rdi" |
4180
0a9a29fc00c2
Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents:
4159
diff
changeset
|
250 ); |
1442
e3242177fe4a
Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents:
1426
diff
changeset
|
251 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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|
252 __asm { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
253 mov eax,80000000h ; Query for extended functions |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
254 cpuid ; Get extended function limit |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
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parents:
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diff
changeset
|
255 cmp eax,80000001h |
787
07760c8854d1
Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
256 jl done ; Nope, we dont have function 800000001h |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
257 mov eax,80000001h ; Setup extended function 800000001h |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
258 cpuid ; and get the information |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
259 mov features,edx |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
260 done: |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
261 } |
1229
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
262 #elif defined(__sun) && ( defined(__i386) || defined(__amd64) ) |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
263 __asm ( |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
264 " movl %ebx,%edi\n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
265 " movl $0x80000000,%eax \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
266 " cpuid \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
267 " cmpl $0x80000001,%eax \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
268 " jl 1f \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
269 " movl $0x80000001,%eax \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
270 " cpuid \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
271 #ifdef __i386 |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
272 " movl %edx,-8(%ebp) \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
273 #else |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
274 " movl %edx,-8(%rbp) \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
275 #endif |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
276 "1: \n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
277 " movl %edi,%ebx\n" |
1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents:
1198
diff
changeset
|
278 ); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
279 #endif |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
280 return features; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
281 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
282 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
283 static __inline__ int CPU_haveRDTSC(void) |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
284 { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
285 if ( CPU_haveCPUID() ) { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
286 return (CPU_getCPUIDFeatures() & 0x00000010); |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
287 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
288 return 0; |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
289 } |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
290 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
291 static __inline__ int CPU_haveMMX(void) |
745
71ee03909f42
Greatly simplified the SDL CPU info code
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parents:
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diff
changeset
|
292 { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
293 if ( CPU_haveCPUID() ) { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
294 return (CPU_getCPUIDFeatures() & 0x00800000); |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
295 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
296 return 0; |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
297 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
298 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
299 static __inline__ int CPU_haveMMXExt(void) |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
300 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
301 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
302 return (CPU_getCPUIDFeaturesExt() & 0x00400000); |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
303 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
304 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
305 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
306 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
307 static __inline__ int CPU_have3DNow(void) |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
308 { |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
309 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
310 return (CPU_getCPUIDFeaturesExt() & 0x80000000); |
747
da36f59485da
Check for CPUID before checking for 3DNow!
Sam Lantinga <slouken@libsdl.org>
parents:
745
diff
changeset
|
311 } |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
312 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
313 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
314 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
315 static __inline__ int CPU_have3DNowExt(void) |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
316 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
317 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
318 return (CPU_getCPUIDFeaturesExt() & 0x40000000); |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
319 } |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
320 return 0; |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
321 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
322 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
323 static __inline__ int CPU_haveSSE(void) |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
324 { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
325 if ( CPU_haveCPUID() ) { |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
326 return (CPU_getCPUIDFeatures() & 0x02000000); |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
327 } |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
328 return 0; |
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents:
739
diff
changeset
|
329 } |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
330 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
331 static __inline__ int CPU_haveSSE2(void) |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
332 { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
333 if ( CPU_haveCPUID() ) { |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
334 return (CPU_getCPUIDFeatures() & 0x04000000); |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
335 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
336 return 0; |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
337 } |
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
diff
changeset
|
338 |
1426
ef9a9064bff2
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
339 static __inline__ int CPU_haveAltiVec(void) |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
340 { |
796
dec19b813b04
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
795
diff
changeset
|
341 volatile int altivec = 0; |
1590
96d8c3fec479
Don't detect Altivec on MacOS X Intel
Sam Lantinga <slouken@libsdl.org>
parents:
1487
diff
changeset
|
342 #if defined(__MACOSX__) && defined(__ppc__) |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
343 int selectors[2] = { CTL_HW, HW_VECTORUNIT }; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
344 int hasVectorUnit = 0; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
345 size_t length = sizeof(hasVectorUnit); |
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346 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0); |
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347 if( 0 == error ) |
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348 altivec = (hasVectorUnit != 0); |
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349 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP |
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350 void (*handler)(int sig); |
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351 handler = signal(SIGILL, illegal_instruction); |
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352 if ( setjmp(jmpbuf) == 0 ) { |
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353 asm volatile ("mtspr 256, %0\n\t" |
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354 "vand %%v0, %%v0, %%v0" |
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355 : |
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356 : "r" (-1)); |
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357 altivec = 1; |
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358 } |
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359 signal(SIGILL, handler); |
778
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Date: Tue, 6 Jan 2004 12:42:19 +0100
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360 #endif |
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361 return altivec; |
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362 } |
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363 |
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|
364 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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365 |
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366 static Uint32 SDL_GetCPUFeatures(void) |
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367 { |
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368 if ( SDL_CPUFeatures == 0xFFFFFFFF ) { |
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369 SDL_CPUFeatures = 0; |
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370 if ( CPU_haveRDTSC() ) { |
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371 SDL_CPUFeatures |= CPU_HAS_RDTSC; |
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372 } |
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373 if ( CPU_haveMMX() ) { |
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374 SDL_CPUFeatures |= CPU_HAS_MMX; |
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375 } |
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376 if ( CPU_haveMMXExt() ) { |
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377 SDL_CPUFeatures |= CPU_HAS_MMXEXT; |
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378 } |
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379 if ( CPU_have3DNow() ) { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
380 SDL_CPUFeatures |= CPU_HAS_3DNOW; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
381 } |
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382 if ( CPU_have3DNowExt() ) { |
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383 SDL_CPUFeatures |= CPU_HAS_3DNOWEXT; |
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384 } |
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|
385 if ( CPU_haveSSE() ) { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
386 SDL_CPUFeatures |= CPU_HAS_SSE; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
387 } |
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388 if ( CPU_haveSSE2() ) { |
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389 SDL_CPUFeatures |= CPU_HAS_SSE2; |
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390 } |
778
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391 if ( CPU_haveAltiVec() ) { |
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Date: Tue, 6 Jan 2004 12:42:19 +0100
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392 SDL_CPUFeatures |= CPU_HAS_ALTIVEC; |
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393 } |
739
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394 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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395 return SDL_CPUFeatures; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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396 } |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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397 |
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398 SDL_bool SDL_HasRDTSC(void) |
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399 { |
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400 if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) { |
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401 return SDL_TRUE; |
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402 } |
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Greatly simplified the SDL CPU info code
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403 return SDL_FALSE; |
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Greatly simplified the SDL CPU info code
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404 } |
71ee03909f42
Greatly simplified the SDL CPU info code
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405 |
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406 SDL_bool SDL_HasMMX(void) |
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407 { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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408 if ( SDL_GetCPUFeatures() & CPU_HAS_MMX ) { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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409 return SDL_TRUE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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410 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
411 return SDL_FALSE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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diff
changeset
|
412 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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413 |
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414 SDL_bool SDL_HasMMXExt(void) |
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415 { |
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416 if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) { |
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417 return SDL_TRUE; |
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418 } |
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419 return SDL_FALSE; |
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420 } |
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421 |
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422 SDL_bool SDL_Has3DNow(void) |
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|
423 { |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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424 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOW ) { |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
425 return SDL_TRUE; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
426 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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diff
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427 return SDL_FALSE; |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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|
428 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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429 |
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430 SDL_bool SDL_Has3DNowExt(void) |
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431 { |
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432 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) { |
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433 return SDL_TRUE; |
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|
434 } |
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435 return SDL_FALSE; |
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|
436 } |
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|
437 |
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changeset
|
438 SDL_bool SDL_HasSSE(void) |
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Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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changeset
|
439 { |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
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changeset
|
440 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE ) { |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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diff
changeset
|
441 return SDL_TRUE; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff
changeset
|
442 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff
changeset
|
443 return SDL_FALSE; |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff
changeset
|
444 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
diff
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|
445 |
1426
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changeset
|
446 SDL_bool SDL_HasSSE2(void) |
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changeset
|
447 { |
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|
448 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) { |
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449 return SDL_TRUE; |
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|
450 } |
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451 return SDL_FALSE; |
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|
452 } |
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changeset
|
453 |
1426
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|
454 SDL_bool SDL_HasAltiVec(void) |
778
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|
455 { |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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diff
changeset
|
456 if ( SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC ) { |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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parents:
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diff
changeset
|
457 return SDL_TRUE; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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diff
changeset
|
458 } |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
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parents:
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diff
changeset
|
459 return SDL_FALSE; |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
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|
460 } |
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
461 |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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parents:
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462 #ifdef TEST_MAIN |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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463 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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464 #include <stdio.h> |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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465 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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466 int main() |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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467 { |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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468 printf("RDTSC: %d\n", SDL_HasRDTSC()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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469 printf("MMX: %d\n", SDL_HasMMX()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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784
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470 printf("MMXExt: %d\n", SDL_HasMMXExt()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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471 printf("3DNow: %d\n", SDL_Has3DNow()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
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472 printf("3DNowExt: %d\n", SDL_Has3DNowExt()); |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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473 printf("SSE: %d\n", SDL_HasSSE()); |
785
ca06a994f03c
Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents:
784
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474 printf("SSE2: %d\n", SDL_HasSSE2()); |
778
8ac3f46f9d09
Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
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769
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475 printf("AltiVec: %d\n", SDL_HasAltiVec()); |
745
71ee03909f42
Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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739
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476 return 0; |
739
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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477 } |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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478 |
22dbf364c017
Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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479 #endif /* TEST_MAIN */ |