mono/utils/mono-hwcap.c

   1 /**
   2  * \file
   3  * Hardware feature detection
   4  *
   5  * Authors:
   6  *    Alex Rønne Petersen (alexrp@xamarin.com)
   7  *    Elijah Taylor (elijahtaylor@google.com)
   8  *    Miguel de Icaza (miguel@xamarin.com)
   9  *    Neale Ferguson (Neale.Ferguson@SoftwareAG-usa.com)
  10  *    Paolo Molaro (lupus@xamarin.com)
  11  *    Rodrigo Kumpera (kumpera@gmail.com)
  12  *    Sebastien Pouliot (sebastien@xamarin.com)
  13  *    Zoltan Varga (vargaz@xamarin.com)
  14  *
  15  * Copyright 2003 Ximian, Inc.
  16  * Copyright 2003-2011 Novell, Inc
  17  * Copyright 2006 Broadcom
  18  * Copyright 2007-2008 Andreas Faerber
  19  * Copyright 2011-2013 Xamarin Inc
  20  * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  21  */
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "mono/utils/mono-hwcap.h"
  27
  28 #define MONO_HWCAP_VAR(NAME) gboolean mono_hwcap_ ## NAME = FALSE;
  29 #include "mono/utils/mono-hwcap-vars.h"
  30 #undef MONO_HWCAP_VAR
  31
  32 static gboolean hwcap_inited = FALSE;
  33
  34 void
  35 mono_hwcap_init (void)
  36 {
  37         char *verbose = g_getenv ("MONO_VERBOSE_HWCAP");
  38         char *conservative = g_getenv ("MONO_CONSERVATIVE_HWCAP");
  39
  40         if (hwcap_inited)
  41                 return;
  42
  43         if (!conservative || strncmp (conservative, "1", 1))
  44                 mono_hwcap_arch_init ();
  45
  46         if (verbose && !strncmp (verbose, "1", 1))
  47                 mono_hwcap_print ();
  48
  49         g_free (verbose);
  50         g_free (conservative);
  51 }
  52
  53 void
  54 mono_hwcap_print (void)
  55 {
  56         g_print ("[mono-hwcap] Detected following hardware capabilities:\n\n");
  57
  58 #define MONO_HWCAP_VAR(NAME) g_print ("\t" #NAME " = %s\n", mono_hwcap_ ## NAME ? "yes" : "no");
  59 #include "mono/utils/mono-hwcap-vars.h"
  60 #undef MONO_HWCAP_VAR
  61
  62         g_print ("\n");
  63 }