[svn] / branches / dev-api-4 / xvidcore / src / utils / x86_asm / cpuid.asm Repository:
ViewVC logotype

Diff of /branches/dev-api-4/xvidcore/src/utils/x86_asm/cpuid.asm

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

trunk/xvidcore/src/utils/x86_asm/cpuid.asm revision 654, Sun Nov 17 00:51:11 2002 UTC branches/dev-api-4/xvidcore/src/utils/x86_asm/cpuid.asm revision 1192, Tue Oct 28 22:23:03 2003 UTC
# Line 1  Line 1 
1  ;/******************************************************************************  ;/****************************************************************************
2  ; *  ; *
3  ; *  Copyright (C) 2001 - Michael Militzer <isibaar@xvid.org>  ; *  XVID MPEG-4 VIDEO CODEC
4    ; *  - CPUID check processors capabilities -
5  ; *  ; *
6  ; *  This file is part of XviD, a free MPEG-4 video encoder/decoder  ; *  Copyright (C) 2001 Michael Militzer <isibaar@xvid.org>
7  ; *  ; *
8  ; *  XviD is free software; you can redistribute it and/or modify it  ; *  This program is free software ; you can redistribute it and/or modify
9  ; *  under the terms of the GNU General Public License as published by  ; *  it under the terms of the GNU General Public License as published by
10  ; *  the Free Software Foundation; either version 2 of the License, or  ; *  the Free Software Foundation; either version 2 of the License, or
11  ; *  (at your option) any later version.  ; *  (at your option) any later version.
12  ; *  ; *
# Line 18  Line 19 
19  ; *  along with this program; if not, write to the Free Software  ; *  along with this program; if not, write to the Free Software
20  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  ; *  ; *
22  ; *  Under section 8 of the GNU General Public License, the copyright  ; * $Id: cpuid.asm,v 1.4.2.2 2003-10-28 22:23:03 edgomez Exp $
 ; *  holders of XVID explicitly forbid distribution in the following  
 ; *  countries:  
 ; *  
 ; *    - Japan  
 ; *    - United States of America  
 ; *  
 ; *  Linking XviD statically or dynamically with other modules is making a  
 ; *  combined work based on XviD.  Thus, the terms and conditions of the  
 ; *  GNU General Public License cover the whole combination.  
 ; *  
 ; *  As a special exception, the copyright holders of XviD give you  
 ; *  permission to link XviD with independent modules that communicate with  
 ; *  XviD solely through the VFW1.1 and DShow interfaces, regardless of the  
 ; *  license terms of these independent modules, and to copy and distribute  
 ; *  the resulting combined work under terms of your choice, provided that  
 ; *  every copy of the combined work is accompanied by a complete copy of  
 ; *  the source code of XviD (the version of XviD used to produce the  
 ; *  combined work), being distributed under the terms of the GNU General  
 ; *  Public License plus this exception.  An independent module is a module  
 ; *  which is not derived from or based on XviD.  
 ; *  
 ; *  Note that people who make modified versions of XviD are not obligated  
 ; *  to grant this special exception for their modified versions; it is  
 ; *  their choice whether to do so.  The GNU General Public License gives  
 ; *  permission to release a modified version without this exception; this  
 ; *  exception also makes it possible to release a modified version which  
 ; *  carries forward this exception.  
23  ; *  ; *
24  ; * $Id: cpuid.asm,v 1.3 2002-11-17 00:51:11 edgomez Exp $  ; ***************************************************************************/
 ; ******************************************************************************/  
25    
26  bits 32  BITS 32
27    
28    %macro cglobal 1
29            %ifdef PREFIX
30                    global _%1
31                    %define %1 _%1
32            %else
33                    global %1
34            %endif
35    %endmacro
36    
37    ;=============================================================================
38    ; Constants
39    ;=============================================================================
40    
41  %define CPUID_TSC                               0x00000010  %define CPUID_TSC                               0x00000010
42  %define CPUID_MMX                               0x00800000  %define CPUID_MMX                               0x00800000
# Line 61  Line 47 
47  %define EXT_CPUID_AMD_3DNOWEXT  0x40000000  %define EXT_CPUID_AMD_3DNOWEXT  0x40000000
48  %define EXT_CPUID_AMD_MMXEXT    0x00400000  %define EXT_CPUID_AMD_MMXEXT    0x00400000
49    
50  %define XVID_CPU_MMX                    0x00000001  ;;; NB: Make sure these defines match the ones defined in xvid.h
51  %define XVID_CPU_MMXEXT                 0x00000002  %define XVID_CPU_MMX      (1<< 0)
52  %define XVID_CPU_SSE            0x00000004  %define XVID_CPU_MMXEXT   (1<< 1)
53  %define XVID_CPU_SSE2                   0x00000008  %define XVID_CPU_SSE      (1<< 2)
54  %define XVID_CPU_3DNOW          0x00000010  %define XVID_CPU_SSE2     (1<< 3)
55  %define XVID_CPU_3DNOWEXT               0x00000020  %define XVID_CPU_3DNOW    (1<< 4)
56  %define XVID_CPU_TSC            0x00000040  %define XVID_CPU_3DNOWEXT (1<< 5)
57    %define XVID_CPU_TSC      (1<< 6)
58    
59  %macro cglobal 1  ;=============================================================================
60          %ifdef PREFIX  ; Read only data
61                  global _%1  ;=============================================================================
                 %define %1 _%1  
         %else  
                 global %1  
         %endif  
 %endmacro  
62    
63  ALIGN 32  ALIGN 32
64    SECTION .rodata
65    
66  section .data  vendorAMD:
67                    db "AuthenticAMD"
68    
69  vendorAMD       db "AuthenticAMD"  ;=============================================================================
70    ; Macros
71    ;=============================================================================
72    
73  %macro  CHECK_FEATURE         3  %macro  CHECK_FEATURE         3
   
74      mov     ecx, %1      mov     ecx, %1
75      and     ecx, edx      and     ecx, edx
76      neg     ecx      neg     ecx
77      sbb     ecx, ecx      sbb     ecx, ecx
78      and     ecx, %2      and     ecx, %2
79      or      %3, ecx      or      %3, ecx
   
80  %endmacro  %endmacro
81    
82  section .text  ;=============================================================================
83    ; Code
84    ;=============================================================================
85    
86    SECTION .text
87    
88  ; int check_cpu_feature(void)  ; int check_cpu_feature(void)
89    
# Line 186  Line 173 
173    
174          ret          ret
175    
   
   
176  ; sse/sse2 operating support detection routines  ; sse/sse2 operating support detection routines
177  ; these will trigger an invalid instruction signal if not supported.  ; these will trigger an invalid instruction signal if not supported.
178    ALIGN 16
179  cglobal sse_os_trigger  cglobal sse_os_trigger
 align 16  
180  sse_os_trigger:  sse_os_trigger:
181          xorps xmm0, xmm0          xorps xmm0, xmm0
182          ret          ret
183    
184    
185    ALIGN 16
186  cglobal sse2_os_trigger  cglobal sse2_os_trigger
 align 16  
187  sse2_os_trigger:  sse2_os_trigger:
188          xorpd xmm0, xmm0          xorpd xmm0, xmm0
189          ret          ret
190    
191    
192    ; enter/exit mmx state
193    ALIGN 16
194    cglobal emms_mmx
195    emms_mmx:
196      emms
197      ret
198    
199    ; faster enter/exit mmx state
200    ALIGN 16
201    cglobal emms_3dn
202    emms_3dn:
203      femms
204      ret
Legend:
Removed from v.654  
changed lines
  Added in v.1192
No admin address has been configured
 ViewVC Help
Powered by ViewVC 1.0.4