Mercurial > sdl-ios-xcode

annotate src/cpuinfo/SDL_cpuinfo.c @ 4420:eaa84e527969 SDL-1.2

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Added .hgignore file for 1.2 branch.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 28 Feb 2010 02:19:04 -0500
parents 72d3b4fd918b
children
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>
parents:
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2 SDL - Simple DirectMedia Layer
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a1b03ba2fcd0 Updated copyright date
Sam Lantinga <slouken@libsdl.org>
parents: 1864
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3 Copyright (C) 1997-2009 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
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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
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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:
diff changeset
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:
diff changeset
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:
diff changeset
18
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
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 */
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d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1361
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22 #include "SDL_config.h"
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
23
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
24 /* CPU feature detection for SDL */
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
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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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diff changeset
26 #include "SDL.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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27 #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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28
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
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29 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
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parents: 1442
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30 #include <sys/sysctl.h> /* For AltiVec check */
dc6b59e925a2 Cleaning up warnings on MacOS X
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parents: 1442
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31 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
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c20f08c4f437 Altivec detection on non-MacOS X systems
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32 #include <signal.h>
c20f08c4f437 Altivec detection on non-MacOS X systems
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33 #include <setjmp.h>
c20f08c4f437 Altivec detection on non-MacOS X systems
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34 #endif
c20f08c4f437 Altivec detection on non-MacOS X systems
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35
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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36 #define CPU_HAS_RDTSC 0x00000001
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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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>
parents: 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: 784
diff changeset
39 #define CPU_HAS_3DNOW 0x00000010
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
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40 #define CPU_HAS_3DNOWEXT 0x00000020
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
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
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
43 #define CPU_HAS_ALTIVEC 0x00000100
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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44
1487
dc6b59e925a2 Cleaning up warnings on MacOS X
Sam Lantinga <slouken@libsdl.org>
parents: 1442
diff changeset
45 #if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
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46 /* This is the brute force way of detecting instruction sets...
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
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47 the idea is borrowed from the libmpeg2 library - thanks!
c20f08c4f437 Altivec detection on non-MacOS X systems
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parents: 787
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48 */
c20f08c4f437 Altivec detection on non-MacOS X systems
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49 static jmp_buf jmpbuf;
c20f08c4f437 Altivec detection on non-MacOS X systems
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50 static void illegal_instruction(int sig)
c20f08c4f437 Altivec detection on non-MacOS X systems
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51 {
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
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52 longjmp(jmpbuf, 1);
c20f08c4f437 Altivec detection on non-MacOS X systems
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53 }
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19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
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54 #endif /* HAVE_SETJMP */
793
c20f08c4f437 Altivec detection on non-MacOS X systems
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55
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
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56 static __inline__ int CPU_haveCPUID(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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57 {
71ee03909f42 Greatly simplified the SDL CPU info code
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58 int has_CPUID = 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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59 #if defined(__GNUC__) && defined(i386)
71ee03909f42 Greatly simplified the SDL CPU info code
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60 __asm__ (
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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61 " pushfl # Get original EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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62 " popl %%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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63 " movl %%eax,%%ecx \n"
71ee03909f42 Greatly simplified the SDL CPU info code
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parents: 739
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64 " 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
65 " 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
66 " popfl # Replace current EFLAGS value \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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67 " pushfl # Get new EFLAGS \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
68 " 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
69 " 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
70 " jz 1f # Processor=80486 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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71 " 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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72 "1: \n"
784
a2dde6aff60e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
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73 : "=m" (has_CPUID)
745
71ee03909f42 Greatly simplified the SDL CPU info code
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74 :
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
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75 : "%eax", "%ecx"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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76 );
881
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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77 #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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78 /* 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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79 CPUid by definition. But it's nice to be able to prove it. :) */
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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80 __asm__ (
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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81 " pushfq # Get original EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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82 " popq %%rax \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
83 " movq %%rax,%%rcx \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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84 " 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
85 " 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
86 " 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
87 " pushfq # Get new EFLAGS \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
88 " 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
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89 " 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
90 " jz 1f # Processor=80486 \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
diff changeset
91 " 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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92 "1: \n"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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93 : "=m" (has_CPUID)
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
parents: 804
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94 :
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
Sam Lantinga <slouken@libsdl.org>
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95 : "%rax", "%rcx"
9eb85a211abd Date: Tue, 30 Mar 2004 18:18:13 -0600
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parents: 804
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96 );
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e3242177fe4a Updated OS/2 build, yay!
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97 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
749
06cdd106d61c Updated Visual C++ support
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98 __asm {
745
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99 pushfd ; Get original EFLAGS
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100 pop eax
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101 mov ecx, eax
71ee03909f42 Greatly simplified the SDL CPU info code
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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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parents: 739
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104 popfd ; Replace current EFLAGS value
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
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105 pushfd ; Get new EFLAGS
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Sam Lantinga <slouken@libsdl.org>
parents: 739
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106 pop eax ; Store new EFLAGS in EAX
71ee03909f42 Greatly simplified the SDL CPU info code
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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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7bea26ad3130 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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parents: 1198
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114 " pushfl \n"
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
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115 " popl %eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
116 " movl %eax,%ecx \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
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117 " xorl $0x200000,%eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
118 " pushl %eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
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119 " popfl \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
120 " pushfl \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
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diff changeset
121 " popl %eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
122 " xorl %ecx,%eax \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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parents: 1312
diff changeset
123 " jz 1f \n"
19418e4422cb New configure-based build system. Still work in progress, but much improved
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diff changeset
124 " movl $1,-8(%ebp) \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
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125 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
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126 );
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
127 #elif defined(__sun) && defined(__amd64)
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
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parents: 1198
diff changeset
128 __asm (
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
129 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
130 " 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
131 " 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
132 " 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
133 " 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
134 " popfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
135 " pushfq \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
136 " 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
137 " xorl %ecx,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
138 " 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
139 " 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
140 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
141 );
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
142 #endif
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
143 return has_CPUID;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
144 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
146 static __inline__ int CPU_getCPUIDFeatures(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
147 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
148 int features = 0;
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
149 #if defined(__GNUC__) && defined(i386)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
150 __asm__ (
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
151 " xorl %%eax,%%eax # Set up for CPUID instruction \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
152 " pushl %%ebx \n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
153 " cpuid # Get and save vendor ID \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
154 " popl %%ebx \n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
155 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
156 " jl 1f # We dont have the CPUID instruction\n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
157 " xorl %%eax,%%eax \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
158 " incl %%eax \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
159 " pushl %%ebx \n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
160 " cpuid # Get family/model/stepping/features\n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
161 " popl %%ebx \n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
162 " movl %%edx,%0 \n"
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
163 "1: \n"
784
a2dde6aff60e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 778
diff changeset
164 : "=m" (features)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
165 :
4372
ca91f36ef3de 1.2 branch: fixed assembly code register clobbering.
Ryan C. Gordon <icculus@icculus.org>
parents: 4245
diff changeset
166 : "%eax", "%ecx", "%edx"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
167 );
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
168 #elif defined(__GNUC__) && defined(__x86_64__)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
169 __asm__ (
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
170 " xorl %%eax,%%eax # Set up for CPUID instruction \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
171 " pushq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
172 " cpuid # Get and save vendor ID \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
173 " popq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
174 " cmpl $1,%%eax # Make sure 1 is valid input for CPUID\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
175 " jl 1f # We dont have the CPUID instruction\n"
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
176 " xorl %%eax,%%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
177 " incl %%eax \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
178 " pushq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
179 " cpuid # Get family/model/stepping/features\n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
180 " popq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
181 " 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
182 "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
183 : "=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
184 :
4372
ca91f36ef3de 1.2 branch: fixed assembly code register clobbering.
Ryan C. Gordon <icculus@icculus.org>
parents: 4245
diff changeset
185 : "%rax", "%rcx", "%rdx"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
186 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
187 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
749
06cdd106d61c Updated Visual C++ support
Sam Lantinga <slouken@libsdl.org>
parents: 747
diff changeset
188 __asm {
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
189 xor eax, eax ; Set up for CPUID instruction
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
190 push ebx
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
191 cpuid ; Get and save vendor ID
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
192 pop ebx
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
193 cmp eax, 1 ; Make sure 1 is valid input for CPUID
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
194 jl done ; We dont have the CPUID instruction
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
195 xor eax, eax
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
196 inc eax
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
197 push ebx
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
198 cpuid ; Get family/model/stepping/features
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
199 pop ebx
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
200 mov features, edx
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
201 done:
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
202 }
1864
7bea26ad3130 I think this fixes bug #244
Sam Lantinga <slouken@libsdl.org>
parents: 1590
diff changeset
203 #elif defined(__sun) && (defined(__i386) || defined(__amd64))
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
204 __asm(
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
205 " xorl %eax,%eax \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
206 " pushl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
207 " cpuid \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
208 " popl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
209 " cmpl $1,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
210 " 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
211 " xorl %eax,%eax \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
212 " incl %eax \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
213 " pushl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
214 " cpuid \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
215 " popl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
216 #ifdef __i386
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
217 " 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
218 #else
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
219 " movl %edx,-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
220 #endif
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
221 "1: \n"
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
222 #endif
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
223 return features;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
224 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
225
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
226 static __inline__ int CPU_getCPUIDFeaturesExt(void)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
227 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
228 int features = 0;
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
229 #if defined(__GNUC__) && defined(i386)
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
230 __asm__ (
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
231 " movl $0x80000000,%%eax # Query for extended functions \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
232 " pushl %%ebx \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
233 " cpuid # Get extended function limit \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
234 " popl %%ebx \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
235 " cmpl $0x80000001,%%eax \n"
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
236 " jl 1f # Nope, we dont have function 800000001h\n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
237 " movl $0x80000001,%%eax # Setup extended function 800000001h\n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
238 " pushl %%ebx \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
239 " cpuid # and get the information \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
240 " popl %%ebx \n"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
241 " movl %%edx,%0 \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
242 "1: \n"
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
243 : "=m" (features)
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
244 :
4372
ca91f36ef3de 1.2 branch: fixed assembly code register clobbering.
Ryan C. Gordon <icculus@icculus.org>
parents: 4245
diff changeset
245 : "%eax", "%ecx", "%edx"
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
246 );
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
247 #elif defined(__GNUC__) && defined (__x86_64__)
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
248 __asm__ (
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
249 " movl $0x80000000,%%eax # Query for extended functions \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
250 " pushq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
251 " cpuid # Get extended function limit \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
252 " popq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
253 " 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
254 " 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
255 " movl $0x80000001,%%eax # Setup extended function 800000001h\n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
256 " pushq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
257 " cpuid # and get the information \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
258 " popq %%rbx \n"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
259 " 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
260 "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
261 : "=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
262 :
4372
ca91f36ef3de 1.2 branch: fixed assembly code register clobbering.
Ryan C. Gordon <icculus@icculus.org>
parents: 4245
diff changeset
263 : "%rax", "%rcx", "%rdx"
4180
0a9a29fc00c2 Patch from Fedora project to fix crashes with SDL_HasSSE() on amd64.
Ryan C. Gordon <icculus@icculus.org>
parents: 4159
diff changeset
264 );
1442
e3242177fe4a Updated OS/2 build, yay!
Sam Lantinga <slouken@libsdl.org>
parents: 1426
diff changeset
265 #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: 784
diff changeset
266 __asm {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
267 mov eax,80000000h ; Query for extended functions
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
268 push ebx
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
269 cpuid ; Get extended function limit
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
270 pop ebx
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
271 cmp eax,80000001h
787
07760c8854d1 Date: Sat, 24 Jan 2004 14:49:58 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 786
diff changeset
272 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: 784
diff changeset
273 mov eax,80000001h ; Setup extended function 800000001h
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
274 push ebx
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
275 cpuid ; and get the information
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
276 pop ebx
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
277 mov features,edx
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
278 done:
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
279 }
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
280 #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
281 __asm (
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
282 " movl $0x80000000,%eax \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
283 " pushl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
284 " cpuid \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
285 " popl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
286 " 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
287 " 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
288 " movl $0x80000001,%eax \n"
4387
72d3b4fd918b Missing pop over a jump
Sam Lantinga <slouken@libsdl.org>
parents: 4386
diff changeset
289 " pushl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
290 " cpuid \n"
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
291 " popl %ebx \n"
1229
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
292 #ifdef __i386
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
293 " 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
294 #else
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
295 " movl %edx,-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
296 #endif
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
297 "1: \n"
1430f5fe092a Patch from Michael Bonfils to add CPUID support for x86 Solaris.
Ryan C. Gordon <icculus@icculus.org>
parents: 1198
diff changeset
298 );
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
299 #endif
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
300 return features;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
301 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
302
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
303 static __inline__ int CPU_haveRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
304 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
305 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
306 return (CPU_getCPUIDFeatures() & 0x00000010);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
307 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
308 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
309 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
310
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
311 static __inline__ int CPU_haveMMX(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
312 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
313 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
314 return (CPU_getCPUIDFeatures() & 0x00800000);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
315 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
316 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
317 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
318
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
319 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
320 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
321 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
322 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
323 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
324 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
325 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
326
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
327 static __inline__ int CPU_have3DNow(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
328 {
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
329 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
330 return (CPU_getCPUIDFeaturesExt() & 0x80000000);
747
da36f59485da Check for CPUID before checking for 3DNow!
Sam Lantinga <slouken@libsdl.org>
parents: 745
diff changeset
331 }
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
332 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
333 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
334
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
335 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
336 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
337 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
338 return (CPU_getCPUIDFeaturesExt() & 0x40000000);
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
339 }
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
340 return 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
341 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
342
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
343 static __inline__ int CPU_haveSSE(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
344 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
345 if ( CPU_haveCPUID() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
346 return (CPU_getCPUIDFeatures() & 0x02000000);
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
347 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
348 return 0;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
349 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
351 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
352 {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
353 if ( CPU_haveCPUID() ) {
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
354 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
355 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
356 return 0;
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
357 }
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
358
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
359 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
360 {
796
dec19b813b04 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 795
diff changeset
361 volatile int altivec = 0;
4386
dcb26ac38e6b Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0.
Sam Lantinga <slouken@libsdl.org>
parents: 4372
diff changeset
362 #if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
363 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
364 int hasVectorUnit = 0;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
365 size_t length = sizeof(hasVectorUnit);
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
366 int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
367 if( 0 == error )
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
368 altivec = (hasVectorUnit != 0);
1361
19418e4422cb New configure-based build system. Still work in progress, but much improved
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
369 #elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
370 void (*handler)(int sig);
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
371 handler = signal(SIGILL, illegal_instruction);
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
372 if ( setjmp(jmpbuf) == 0 ) {
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
373 asm volatile ("mtspr 256, %0\n\t"
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
374 "vand %%v0, %%v0, %%v0"
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
375 :
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
376 : "r" (-1));
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
377 altivec = 1;
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
378 }
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
379 signal(SIGILL, handler);
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
380 #endif
793
c20f08c4f437 Altivec detection on non-MacOS X systems
Sam Lantinga <slouken@libsdl.org>
parents: 787
diff changeset
381 return altivec;
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
382 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
383
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
384 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
385
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
386 static Uint32 SDL_GetCPUFeatures(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
387 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
388 if ( SDL_CPUFeatures == 0xFFFFFFFF ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
389 SDL_CPUFeatures = 0;
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
390 if ( CPU_haveRDTSC() ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
391 SDL_CPUFeatures |= CPU_HAS_RDTSC;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
392 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
393 if ( CPU_haveMMX() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
394 SDL_CPUFeatures |= CPU_HAS_MMX;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
395 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
396 if ( CPU_haveMMXExt() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
397 SDL_CPUFeatures |= CPU_HAS_MMXEXT;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
398 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
399 if ( CPU_have3DNow() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
400 SDL_CPUFeatures |= CPU_HAS_3DNOW;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
401 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
402 if ( CPU_have3DNowExt() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
403 SDL_CPUFeatures |= CPU_HAS_3DNOWEXT;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
404 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
405 if ( CPU_haveSSE() ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
406 SDL_CPUFeatures |= CPU_HAS_SSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
407 }
786
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
408 if ( CPU_haveSSE2() ) {
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
409 SDL_CPUFeatures |= CPU_HAS_SSE2;
e1e0a0a94570 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 785
diff changeset
410 }
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
411 if ( CPU_haveAltiVec() ) {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
412 SDL_CPUFeatures |= CPU_HAS_ALTIVEC;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
413 }
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
414 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
415 return SDL_CPUFeatures;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
416 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
417
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
418 SDL_bool SDL_HasRDTSC(void)
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
419 {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
420 if ( SDL_GetCPUFeatures() & CPU_HAS_RDTSC ) {
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
421 return SDL_TRUE;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
422 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
423 return SDL_FALSE;
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
424 }
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
425
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
426 SDL_bool SDL_HasMMX(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
427 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
428 if ( SDL_GetCPUFeatures() & CPU_HAS_MMX ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
429 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
430 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
431 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
432 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
433
1426
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Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
434 SDL_bool SDL_HasMMXExt(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
435 {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
436 if ( SDL_GetCPUFeatures() & CPU_HAS_MMXEXT ) {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
437 return SDL_TRUE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
438 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
439 return SDL_FALSE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
440 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
441
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
442 SDL_bool SDL_Has3DNow(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
443 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
444 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOW ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
445 return SDL_TRUE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
446 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
447 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
448 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
449
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
450 SDL_bool SDL_Has3DNowExt(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
451 {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
452 if ( SDL_GetCPUFeatures() & CPU_HAS_3DNOWEXT ) {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
453 return SDL_TRUE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
454 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
455 return SDL_FALSE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
456 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
457
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
458 SDL_bool SDL_HasSSE(void)
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
459 {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
460 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE ) {
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
461 return SDL_TRUE;
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 return SDL_FALSE;
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
464 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
465
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
466 SDL_bool SDL_HasSSE2(void)
804
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
467 {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
468 if ( SDL_GetCPUFeatures() & CPU_HAS_SSE2 ) {
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
469 return SDL_TRUE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
470 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
471 return SDL_FALSE;
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
472 }
b2fda076b02e *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 796
diff changeset
473
1426
ef9a9064bff2 *** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
474 SDL_bool SDL_HasAltiVec(void)
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
475 {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
476 if ( SDL_GetCPUFeatures() & CPU_HAS_ALTIVEC ) {
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
477 return SDL_TRUE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
478 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
479 return SDL_FALSE;
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
480 }
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
481
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
482 #ifdef TEST_MAIN
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
483
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
484 #include <stdio.h>
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
485
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
486 int main()
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
487 {
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
488 printf("RDTSC: %d\n", SDL_HasRDTSC());
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
489 printf("MMX: %d\n", SDL_HasMMX());
785
ca06a994f03c Fixed bugs in CPU feature detection and added extended feature detection
Sam Lantinga <slouken@libsdl.org>
parents: 784
diff changeset
490 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:
diff changeset
491 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
diff changeset
492 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:
diff changeset
493 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
diff changeset
494 printf("SSE2: %d\n", SDL_HasSSE2());
778
8ac3f46f9d09 Date: Tue, 6 Jan 2004 12:42:19 +0100
Sam Lantinga <slouken@libsdl.org>
parents: 769
diff changeset
495 printf("AltiVec: %d\n", SDL_HasAltiVec());
745
71ee03909f42 Greatly simplified the SDL CPU info code
Sam Lantinga <slouken@libsdl.org>
parents: 739
diff changeset
496 return 0;
739
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
497 }
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
498
22dbf364c017 Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
499 #endif /* TEST_MAIN */