/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
-
-#ifdef HAVE_SIGNAL_H
-# include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
-# include <setjmp.h> /* longjmp, setjmp */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
#endif
-#if defined(SYS_DARWIN) && (defined(__ppc__) || defined(__ppc64__))
+#include <vlc_common.h>
+
+#include <signal.h> /* SIGHUP, SIGINT, SIGKILL */
+#include <setjmp.h> /* longjmp, setjmp */
+
+#include "libvlc.h"
+
+#if defined(__APPLE__) && (defined(__ppc__) || defined(__ppc64__))
#include <sys/sysctl.h>
#endif
-#include "vlc_cpu.h"
-
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-#ifdef HAVE_SIGNAL_H
static void SigHandler ( int );
-#endif
/*****************************************************************************
* Global variables - they're needed for signal handling
*****************************************************************************/
-#ifdef HAVE_SIGNAL_H
static jmp_buf env;
static int i_illegal;
#if defined( __i386__ ) || defined( __x86_64__ )
-static char *psz_capability;
-#endif
+static const char *psz_capability;
#endif
/*****************************************************************************
{
volatile uint32_t i_capabilities = CPU_CAPABILITY_NONE;
-#if defined(SYS_DARWIN) && (defined(__ppc__) || defined(__ppc64__))
+#if defined(__APPLE__) && (defined(__ppc__) || defined(__ppc64__))
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
int i_has_altivec = 0;
size_t i_length = sizeof( i_has_altivec );
#elif defined( __i386__ ) || defined( __x86_64__ )
volatile unsigned int i_eax, i_ebx, i_ecx, i_edx;
- volatile vlc_bool_t b_amd;
+ volatile bool b_amd;
/* Needed for x86 CPU capabilities detection */
# if defined( __x86_64__ )
: "cc" );
# endif
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
void (*pf_sigill) (int) = signal( SIGILL, SigHandler );
# endif
if( i_eax == i_ebx )
{
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
signal( SIGILL, pf_sigill );
# endif
return i_capabilities;
if( !i_eax )
{
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
signal( SIGILL, pf_sigill );
# endif
return i_capabilities;
if( ! (i_edx & 0x00800000) )
{
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
signal( SIGILL, pf_sigill );
# endif
return i_capabilities;
if( i_eax < 0x80000001 )
{
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
signal( SIGILL, pf_sigill );
# endif
return i_capabilities;
i_capabilities |= CPU_CAPABILITY_MMXEXT;
}
-# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW ) \
- && defined( HAVE_SIGNAL_H )
+# if defined( CAN_COMPILE_SSE ) || defined ( CAN_COMPILE_3DNOW )
signal( SIGILL, pf_sigill );
# endif
return i_capabilities;
-#elif defined( __powerpc__ )
+#elif defined( __powerpc__ ) || defined( __ppc__ ) || defined( __ppc64__ )
-# ifdef CAN_COMPILE_ALTIVEC && defined( HAVE_SIGNAL_H )
+# ifdef CAN_COMPILE_ALTIVEC
void (*pf_sigill) (int) = signal( SIGILL, SigHandler );
i_capabilities |= CPU_CAPABILITY_FPU;
}
signal( SIGILL, pf_sigill );
+# else
+ (void)SigHandler; /* Don't complain about dead code here */
# endif
return i_capabilities;
* This function is called when an illegal instruction signal is received by
* the program. We use this function to test OS and CPU capabilities
*****************************************************************************/
-#if defined( HAVE_SIGNAL_H )
static void SigHandler( int i_signal )
{
/* Acknowledge the signal received */
#ifdef HAVE_SIGRELSE
sigrelse( i_signal );
+#else
+ VLC_UNUSED( i_signal );
#endif
#if defined( __i386__ )
"operating system.\n", psz_capability );
fprintf( stderr, " some optimizations will be disabled unless "
"you upgrade your OS\n" );
-# if defined( SYS_LINUX )
+# if defined( __linux__ )
fprintf( stderr, " (for instance Linux kernel 2.4.x or later)\n" );
# endif
#endif
longjmp( env, 1 );
}
-#endif
+
+uint32_t cpu_flags = 0;
+
+
+/*****************************************************************************
+ * vlc_CPU: get pre-computed CPU capability flags
+ ****************************************************************************/
+unsigned vlc_CPU (void)
+{
+ return cpu_flags;
+}
+
+static vlc_memcpy_t pf_vlc_memcpy = memcpy;
+static vlc_memset_t pf_vlc_memset = memset;
+
+void vlc_fastmem_register (vlc_memcpy_t cpy, vlc_memset_t set)
+{
+ if (cpy)
+ pf_vlc_memcpy = cpy;
+ if (set)
+ pf_vlc_memset = set;
+}
+
+/**
+ * vlc_memcpy: fast CPU-dependent memcpy
+ */
+void *vlc_memcpy (void *tgt, const void *src, size_t n)
+{
+ return pf_vlc_memcpy (tgt, src, n);
+}
+
+/**
+ * vlc_memset: fast CPU-dependent memset
+ */
+void *vlc_memset (void *tgt, int c, size_t n)
+{
+ return pf_vlc_memset (tgt, c, n);
+}