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annotate src/cpuinfo/SDL_cpuinfo.c @ 5267:b530ef003506

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Happy 2011! :)
author Sam Lantinga <slouken@libsdl.org>
date Fri, 11 Feb 2011 22:37:15 -0800
parents 6a65c1fc07af
children e1122f31fec5
rev   line source
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
1 /*
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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2 SDL - Simple DirectMedia Layer
5267
b530ef003506 Happy 2011! :)
Sam Lantinga <slouken@libsdl.org>
parents: 5264
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3 Copyright (C) 1997-2011 Sam Lantinga
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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4
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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5 This library is free software; you can redistribute it and/or
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
6 modify it under the terms of the GNU Lesser General Public
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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9
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
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
Sam Lantinga <slouken@libsdl.org>
parents:
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
13 Lesser General Public License for more details.
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
14
1312
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
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)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
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)
Sam Lantinga <slouken@libsdl.org>
parents: 1229
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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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
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
20 slouken@libsdl.org
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
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22 #include "SDL_config.h"
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22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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23
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
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24 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
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25
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19418e4422cb New configure-based build system. Still work in progress, but much improved
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26 #include "SDL_cpuinfo.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
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27
3586
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
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28 #ifdef HAVE_SYSCONF
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
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parents: 3584
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29 #include <unistd.h>
b6758aee0dd4 Added support for querying the number of CPUs available on Linux. This also happens to work on Mac OS X.
Sam Lantinga <slouken@libsdl.org>
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30 #endif
3579
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31 #ifdef HAVE_SYSCTLBYNAME
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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32 #include <sys/types.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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33 #include <sys/sysctl.h>
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
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34 #endif
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c2539ff054c8 Fixed compiling on Windows Mobile SDK 5.0 with Visual Studio 2008
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35 #ifdef __WIN32__
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327f181542f1 Include windows.h in a single point in the source, so we can be consistent about the definition of UNICODE and have core utility functions for Windows that all modules can share.
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36 #include "../core/windows/SDL_windows.h"
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
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37 #endif
793
c20f08c4f437 Altivec detection on non-MacOS X systems
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38
3579
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39 #define CPU_HAS_RDTSC 0x00000001
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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40 #define CPU_HAS_MMX 0x00000002
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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41 #define CPU_HAS_SSE 0x00000010
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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42 #define CPU_HAS_SSE2 0x00000020
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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43 #define CPU_HAS_SSE3 0x00000040
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
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44 #define CPU_HAS_SSE4 0x00000080
745
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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45
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
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46
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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47 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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48 CPU_haveCPUID(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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49 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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50 int has_CPUID = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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51 /* *INDENT-OFF* */
745
71ee03909f42 Greatly simplified the SDL CPU info code
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52 #if defined(__GNUC__) && defined(i386)
3579
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parents: 3515
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53 __asm__ (
745
71ee03909f42 Greatly simplified the SDL CPU info code
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54 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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55 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
56 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
57 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
58 " pushl %%eax # Save new EFLAGS value on stack \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
59 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
60 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
61 " popl %%eax # Store new EFLAGS in EAX \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
62 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
63 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
64 " movl $1,%0 # We have CPUID support \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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65 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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66 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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67 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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68 : "%eax", "%ecx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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69 );
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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70 #elif defined(__GNUC__) && defined(__x86_64__)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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71 /* Technically, if this is being compiled under __x86_64__ then it has
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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72 CPUid by definition. But it's nice to be able to prove it. :) */
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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73 __asm__ (
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
74 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
75 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
76 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
77 " xorl $0x200000,%%eax # Flip ID bit in EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
78 " pushq %%rax # Save new EFLAGS value on stack \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
79 " popfq # Replace current EFLAGS value \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
80 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
81 " popq %%rax # Store new EFLAGS in EAX \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
82 " xorl %%ecx,%%eax # Can not toggle ID bit, \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
83 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
84 " movl $1,%0 # We have CPUID support \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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85 "1: \n"
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
86 : "=m" (has_CPUID)
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
87 :
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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88 : "%rax", "%rcx"
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
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89 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
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90 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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91 __asm {
745
71ee03909f42 Greatly simplified the SDL CPU info code
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92 pushfd ; Get original EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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93 pop eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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94 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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95 xor eax, 200000h ; Flip ID bit in EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
96 push eax ; Save new EFLAGS value on stack
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
97 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
98 pushfd ; Get new EFLAGS
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
99 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
100 xor eax, ecx ; Can not toggle ID bit,
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
101 jz done ; Processor=80486
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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102 mov has_CPUID,1 ; We have CPUID support
71ee03909f42 Greatly simplified the SDL CPU info code
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103 done:
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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104 }
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7bea26ad3130 I think this fixes bug #244
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parents: 1590
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105 #elif defined(__sun) && defined(__i386)
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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parents: 3515
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106 __asm (
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
107 " pushfl \n"
3584
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
108 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
109 " movl %eax,%ecx \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
110 " xorl $0x200000,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
111 " pushl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
112 " popfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
113 " pushfl \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
114 " popl %eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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parents: 3580
diff changeset
115 " xorl %ecx,%eax \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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parents: 3580
diff changeset
116 " jz 1f \n"
41d01d70659c Fixed cpuid assembly to work on PIC code
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parents: 3580
diff changeset
117 " movl $1,-8(%ebp) \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
118 "1: \n"
3579
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parents: 3515
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119 );
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
120 #elif defined(__sun) && defined(__amd64)
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parents: 3515
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121 __asm (
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
122 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
123 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
124 " movq %rax,%rcx \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
125 " xorl $0x200000,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
126 " pushq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
127 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
128 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
129 " popq %rax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
130 " xorl %ecx,%eax \n"
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Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
131 " jz 1f \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
132 " movl $1,-8(%rbp) \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
133 "1: \n"
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134 );
745
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135 #endif
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diff changeset
136 /* *INDENT-ON* */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
137 return has_CPUID;
745
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parents: 739
diff changeset
138 }
739
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
139
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diff changeset
140 #if defined(__GNUC__) && defined(i386)
3580
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diff changeset
141 #define cpuid(func, a, b, c, d) \
3584
41d01d70659c Fixed cpuid assembly to work on PIC code
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diff changeset
142 __asm__ __volatile__ ( \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
143 " pushl %%ebx \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
144 " cpuid \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
145 " movl %%ebx, %%esi \n" \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
146 " popl %%ebx \n" : \
41d01d70659c Fixed cpuid assembly to work on PIC code
Sam Lantinga <slouken@libsdl.org>
parents: 3580
diff changeset
147 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
3587
2080e8d75ac6 Implemented 64-bit version of cpuid code
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parents: 3586
diff changeset
148 #elif defined(__GNUC__) && defined(__x86_64__)
2080e8d75ac6 Implemented 64-bit version of cpuid code
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parents: 3586
diff changeset
149 #define cpuid(func, a, b, c, d) \
2080e8d75ac6 Implemented 64-bit version of cpuid code
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diff changeset
150 __asm__ __volatile__ ( \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
151 " pushq %%rbx \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
152 " cpuid \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
153 " movq %%rbx, %%rsi \n" \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
154 " popq %%rbx \n" : \
2080e8d75ac6 Implemented 64-bit version of cpuid code
Sam Lantinga <slouken@libsdl.org>
parents: 3586
diff changeset
155 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
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3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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diff changeset
156 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
157 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
158 __asm { \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
159 __asm mov eax, func \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
160 __asm cpuid \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
161 __asm mov a, eax \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
Sam Lantinga <slouken@libsdl.org>
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diff changeset
162 __asm mov b, ebx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
163 __asm mov c, ecx \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
164 __asm mov d, edx \
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diff changeset
165 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
166 #else
3580
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
167 #define cpuid(func, a, b, c, d) \
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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parents: 3579
diff changeset
168 a = b = c = d = 0
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diff changeset
169 #endif
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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170
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171 static __inline__ int
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172 CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
diff changeset
173 {
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diff changeset
174 int features = 0;
3580
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diff changeset
175 int a, b, c, d;
3579
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176
3580
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diff changeset
177 cpuid(0, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
178 if (a >= 1) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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179 cpuid(1, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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180 features = d;
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181 }
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182 return features;
745
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183 }
71ee03909f42 Greatly simplified the SDL CPU info code
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184
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185 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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186 CPU_haveRDTSC(void)
745
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187 {
1895
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188 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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189 return (CPU_getCPUIDFeatures() & 0x00000010);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
190 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
191 return 0;
745
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192 }
739
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Sam Lantinga <slouken@libsdl.org>
parents:
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193
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194 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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195 CPU_haveMMX(void)
745
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196 {
1895
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diff changeset
197 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
198 return (CPU_getCPUIDFeatures() & 0x00800000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
199 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
200 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
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201 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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diff changeset
202
1895
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
203 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
204 CPU_haveSSE(void)
745
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diff changeset
205 {
1895
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diff changeset
206 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
207 return (CPU_getCPUIDFeatures() & 0x02000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
208 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
209 return 0;
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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diff changeset
210 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
211
1895
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diff changeset
212 static __inline__ int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
213 CPU_haveSSE2(void)
778
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diff changeset
214 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff changeset
215 if (CPU_haveCPUID()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
216 return (CPU_getCPUIDFeatures() & 0x04000000);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents: 1864
diff changeset
217 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
218 return 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
219 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff changeset
220
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
221 static __inline__ int
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
222 CPU_haveSSE3(void)
1895
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diff changeset
223 {
5264
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Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
224 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
225 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
226
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
227 cpuid(0, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
228 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
229 cpuid(1, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
230 return (c & 0x00000001);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
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diff changeset
231 }
1895
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diff changeset
232 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
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diff changeset
233 return 0;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
234 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
235
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
236 static __inline__ int
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
237 CPU_haveSSE4(void)
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
238 {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
239 if (CPU_haveCPUID()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
240 int a, b, c, d;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
241
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
242 cpuid(0, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
243 if (a >= 1) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
244 cpuid(1, a, b, c, d);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
245 return (c & 0x00000100);
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
246 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
247 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
248 return 0;
778
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Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
249 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
250
3579
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diff changeset
251 static int SDL_CPUCount = 0;
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
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diff changeset
252
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
253 int
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254 SDL_GetCPUCount(void)
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255 {
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diff changeset
256 if (!SDL_CPUCount) {
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diff changeset
257 #if defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
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258 if (SDL_CPUCount <= 0) {
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259 SDL_CPUCount = (int)sysconf(_SC_NPROCESSORS_ONLN);
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260 }
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diff changeset
261 #endif
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diff changeset
262 #ifdef HAVE_SYSCTLBYNAME
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263 if (SDL_CPUCount <= 0) {
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diff changeset
264 size_t size = sizeof(SDL_CPUCount);
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diff changeset
265 sysctlbyname("hw.ncpu", &SDL_CPUCount, &size, NULL, 0);
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266 }
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diff changeset
267 #endif
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diff changeset
268 #ifdef __WIN32__
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269 if (SDL_CPUCount <= 0) {
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diff changeset
270 SYSTEM_INFO info;
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diff changeset
271 GetSystemInfo(&info);
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272 SDL_CPUCount = info.dwNumberOfProcessors;
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273 }
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274 #endif
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275 /* There has to be at least 1, right? :) */
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276 if (SDL_CPUCount <= 0) {
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277 SDL_CPUCount = 1;
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278 }
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279 }
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280 return SDL_CPUCount;
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281 }
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282
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diff changeset
283 /* Oh, such a sweet sweet trick, just not very useful. :) */
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diff changeset
284 static const char *
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diff changeset
285 SDL_GetCPUType(void)
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286 {
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287 static char SDL_CPUType[13];
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288
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diff changeset
289 if (!SDL_CPUType[0]) {
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diff changeset
290 int i = 0;
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diff changeset
291 int a, b, c, d;
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292
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293 if (CPU_haveCPUID()) {
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diff changeset
294 cpuid(0x00000000, a, b, c, d);
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295 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
296 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
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297 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
298 SDL_CPUType[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
299 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
300 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
301 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
302 SDL_CPUType[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
303 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
304 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
305 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
306 SDL_CPUType[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
307 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
308 if (!SDL_CPUType[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
309 SDL_strlcpy(SDL_CPUType, "Unknown", sizeof(SDL_CPUType));
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diff changeset
310 }
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diff changeset
311 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
312 return SDL_CPUType;
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diff changeset
313 }
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diff changeset
314
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diff changeset
315 static const char *
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diff changeset
316 SDL_GetCPUName(void)
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diff changeset
317 {
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diff changeset
318 static char SDL_CPUName[48];
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diff changeset
319
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diff changeset
320 if (!SDL_CPUName[0]) {
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diff changeset
321 int i = 0;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
322 int a, b, c, d;
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diff changeset
323
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diff changeset
324 if (CPU_haveCPUID()) {
3580
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diff changeset
325 cpuid(0x80000000, a, b, c, d);
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
326 if (a >= 0x80000004) {
951dd6a5d1a2 Implemented Windows version of SDL_GetCPUCount()
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diff changeset
327 cpuid(0x80000002, a, b, c, d);
5117
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diff changeset
328 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
329 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
330 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
331 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
332 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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parents: 5092
diff changeset
333 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
334 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
335 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
336 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
337 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
338 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
339 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
340 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
341 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
342 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
343 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
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diff changeset
344 cpuid(0x80000003, a, b, c, d);
5117
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diff changeset
345 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
346 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
347 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
348 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
349 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
350 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
351 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
352 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
353 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
354 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
355 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
356 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
357 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
358 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
359 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
360 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3580
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diff changeset
361 cpuid(0x80000004, a, b, c, d);
5117
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diff changeset
362 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
363 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
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diff changeset
364 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
365 SDL_CPUName[i++] = (char)(a & 0xff); a >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
366 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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parents: 5092
diff changeset
367 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
368 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
369 SDL_CPUName[i++] = (char)(b & 0xff); b >>= 8;
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diff changeset
370 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
371 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
372 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
373 SDL_CPUName[i++] = (char)(c & 0xff); c >>= 8;
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diff changeset
374 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
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diff changeset
375 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
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diff changeset
376 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
377 SDL_CPUName[i++] = (char)(d & 0xff); d >>= 8;
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
378 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
379 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
380 if (!SDL_CPUName[0]) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
381 SDL_strlcpy(SDL_CPUName, "Unknown", sizeof(SDL_CPUName));
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
382 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
383 }
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
384 return SDL_CPUName;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
385 }
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
386
5122
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
387 int
b3f075368b1f Added API function to get CPU cache line size.
Sam Lantinga <slouken@libsdl.org>
parents: 5117
diff changeset
388 SDL_GetCPUCacheLineSize(void)
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
389 {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
390 const char *cpuType = SDL_GetCPUType();
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
391
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
392 if (SDL_strcmp(cpuType, "GenuineIntel") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
393 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
394
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
395 cpuid(0x00000001, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
396 return (((b >> 8) & 0xff) * 8);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
397 } else if (SDL_strcmp(cpuType, "AuthenticAMD") == 0) {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
398 int a, b, c, d;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
399
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
400 cpuid(0x80000005, a, b, c, d);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
401 return (c & 0xff);
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
402 } else {
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
403 /* Just make a guess here... */
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
404 return SDL_CACHELINE_SIZE;
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
405 }
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
406 }
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
407
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
408 static Uint32 SDL_CPUFeatures = 0xFFFFFFFF;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
409
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
410 static Uint32
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
411 SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
412 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
413 if (SDL_CPUFeatures == 0xFFFFFFFF) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
414 SDL_CPUFeatures = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
415 if (CPU_haveRDTSC()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
416 SDL_CPUFeatures |= CPU_HAS_RDTSC;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
417 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
418 if (CPU_haveMMX()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
419 SDL_CPUFeatures |= CPU_HAS_MMX;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
420 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
421 if (CPU_haveSSE()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
422 SDL_CPUFeatures |= CPU_HAS_SSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
423 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
424 if (CPU_haveSSE2()) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
425 SDL_CPUFeatures |= CPU_HAS_SSE2;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
426 }
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
427 if (CPU_haveSSE3()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
428 SDL_CPUFeatures |= CPU_HAS_SSE3;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
429 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
430 if (CPU_haveSSE4()) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
431 SDL_CPUFeatures |= CPU_HAS_SSE4;
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
432 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
433 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
434 return SDL_CPUFeatures;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
435 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
436
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
437 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
438 SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
439 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
440 if (SDL_GetCPUFeatures() & CPU_HAS_RDTSC) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
441 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
442 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
443 return SDL_FALSE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
444 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
445
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
446 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
447 SDL_HasMMX(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
448 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
449 if (SDL_GetCPUFeatures() & CPU_HAS_MMX) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
450 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
451 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
452 return SDL_FALSE;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
453 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
454
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
455 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
456 SDL_HasSSE(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
457 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
458 if (SDL_GetCPUFeatures() & CPU_HAS_SSE) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
459 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
460 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
461 return SDL_FALSE;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
462 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
463
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
464 SDL_bool
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
465 SDL_HasSSE2(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
466 {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
467 if (SDL_GetCPUFeatures() & CPU_HAS_SSE2) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
468 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
469 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
470 return SDL_FALSE;
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
471 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
472
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
473 SDL_bool
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
474 SDL_HasSSE3(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
475 {
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
476 if (SDL_GetCPUFeatures() & CPU_HAS_SSE3) {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
477 return SDL_TRUE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
478 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
479 return SDL_FALSE;
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
480 }
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
481
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
482 SDL_bool
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
483 SDL_HasSSE4(void)
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
484 {
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
485 if (SDL_GetCPUFeatures() & CPU_HAS_SSE4) {
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
486 return SDL_TRUE;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
487 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
488 return SDL_FALSE;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
489 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
490
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
491 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
492
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
493 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
494
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
495 int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
496 main()
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 {
3579
3427271a2d75 Added SDL_GetCPUCount() to see how many cores are available.
Sam Lantinga <slouken@libsdl.org>
parents: 3515
diff changeset
498 printf("CPU count: %d\n", SDL_GetCPUCount());
5117
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
499 printf("CPU type: %s\n", SDL_GetCPUType());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
500 printf("CPU name: %s\n", SDL_GetCPUName());
427998ff3bcf Added cache line size info in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents: 5092
diff changeset
501 printf("CacheLine size: %d\n", SDL_GetCPUCacheLineSize());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
502 printf("RDTSC: %d\n", SDL_HasRDTSC());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
503 printf("MMX: %d\n", SDL_HasMMX());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
504 printf("SSE: %d\n", SDL_HasSSE());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
505 printf("SSE2: %d\n", SDL_HasSSE2());
5264
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
506 printf("SSE3: %d\n", SDL_HasSSE3());
6a65c1fc07af Updated CPU detection code for SSE3 and SSE4 and removed obsolete 3DNow! and Altivec support.
Sam Lantinga <slouken@libsdl.org>
parents: 5122
diff changeset
507 printf("SSE4: %d\n", SDL_HasSSE4());
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
508 return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
509 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
510
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
511 #endif /* TEST_MAIN */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
512
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1864
diff changeset
513 /* vi: set ts=4 sw=4 expandtab: */