diff options
Diffstat (limited to 'erts/lib_src/win/ethread.c')
| -rw-r--r-- | erts/lib_src/win/ethread.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/erts/lib_src/win/ethread.c b/erts/lib_src/win/ethread.c index 789a360b11..3abda6de4c 100644 --- a/erts/lib_src/win/ethread.c +++ b/erts/lib_src/win/ethread.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2010. All Rights Reserved. + * Copyright Ericsson AB 2010-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -35,6 +35,7 @@ #include <winerror.h> #include <stdio.h> #include <limits.h> +#include <intrin.h> #define ETHR_INLINE_FUNC_NAME_(X) X ## __ #define ETHREAD_IMPL__ @@ -158,6 +159,25 @@ ethr_abort__(void) #endif } +#if defined(ETHR_X86_RUNTIME_CONF__) + +#pragma intrinsic(__cpuid) + +void +ethr_x86_cpuid__(int *eax, int *ebx, int *ecx, int *edx) +{ + int CPUInfo[4]; + + __cpuid(CPUInfo, *eax); + + *eax = CPUInfo[0]; + *ebx = CPUInfo[1]; + *ecx = CPUInfo[2]; + *edx = CPUInfo[3]; +} + +#endif /* ETHR_X86_RUNTIME_CONF__ */ + /* * ---------------------------------------------------------------------------- * Exported functions |