* tests.h: several test functions needed by the plugins
*****************************************************************************
* Copyright (C) 1996, 1997, 1998, 1999, 2000 VideoLAN
+ * $Id: tests.h,v 1.9 2001/03/21 13:42:33 sam Exp $
*
- * Authors:
+ * Authors: Samuel Hocevar <sam@zoy.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#define CPU_CAPABILITY_MMX 1<<3
#define CPU_CAPABILITY_3DNOW 1<<4
#define CPU_CAPABILITY_MMXEXT 1<<5
+#define CPU_CAPABILITY_ALTIVEC 1<<16
/*****************************************************************************
* TestVersion: tests if the given string equals the current version
*****************************************************************************/
-int TestVersion( char * psz_version );
-int TestProgram( char * psz_program );
-int TestMethod( char * psz_var, char * psz_method );
-int TestCPU( int i_capabilities );
-
-/*****************************************************************************
- * CPUCapabilities: list the processors MMX support and other capabilities
- *****************************************************************************
- * This function is called to list extensions the CPU may have.
- *****************************************************************************/
-static __inline__ int CPUCapabilities( void )
-{
-#ifdef SYS_BEOS
- return( CPU_CAPABILITY_NONE
- | CPU_CAPABILITY_486
- | CPU_CAPABILITY_586
- | CPU_CAPABILITY_MMX );
-#else
- int i_capabilities = CPU_CAPABILITY_NONE;
-#ifdef __i386__
- unsigned int i_eax, i_ebx, i_ecx, i_edx;
- boolean_t b_amd;
-
-#define cpuid( a ) \
- asm volatile ( "cpuid" \
- : "=a" ( i_eax ), \
- "=b" ( i_ebx ), \
- "=c" ( i_ecx ), \
- "=d" ( i_edx ) \
- : "a" ( a ) \
- : "cc" ); \
-
- /* test for a 486 CPU */
- asm volatile ( "pushfl
- popl %%eax
- movl %%eax, %%ebx
- xorl $0x200000, %%eax
- pushl %%eax
- popfl
- pushfl
- popl %%eax"
- : "=a" ( i_eax ),
- "=b" ( i_ebx )
- :
- : "cc" );
-
- if( i_eax == i_ebx )
- {
- return( i_capabilities );
- }
-
- i_capabilities |= CPU_CAPABILITY_486;
-
- /* the CPU supports the CPUID instruction - get its level */
- cpuid( 0x00000000 );
-
- if( !i_eax )
- {
- return( i_capabilities );
- }
-
- /* FIXME: this isn't correct, since some 486s have cpuid */
- i_capabilities |= CPU_CAPABILITY_586;
-
- /* borrowed from mpeg2dec */
- b_amd = ( i_ebx == 0x68747541 ) && ( i_ecx == 0x444d4163 )
- && ( i_edx == 0x69746e65 );
-
- /* test for the MMX flag */
- cpuid( 0x00000001 );
-
- if( ! (i_edx & 0x00800000) )
- {
- return( i_capabilities );
- }
-
- i_capabilities |= CPU_CAPABILITY_MMX;
-
- if( i_edx & 0x02000000 )
- {
- i_capabilities |= CPU_CAPABILITY_MMXEXT;
- }
-
- /* test for additional capabilities */
- cpuid( 0x80000000 );
-
- if( i_eax < 0x80000001 )
- {
- return( i_capabilities );
- }
-
- /* list these additional capabilities */
- cpuid( 0x80000001 );
-
- if( i_edx & 0x80000000 )
- {
- i_capabilities |= CPU_CAPABILITY_3DNOW;
- }
-
- if( b_amd && ( i_edx & 0x00400000 ) )
- {
- i_capabilities |= CPU_CAPABILITY_MMXEXT;
- }
-#endif /* __i386__ */
-
- return( i_capabilities );
-#endif /* SYS_BEOS */
-}
+int TestVersion ( char * psz_version );
+int TestProgram ( char * psz_program );
+int TestMethod ( char * psz_var, char * psz_method );
+int TestCPU ( int i_capabilities );