VirtualBox

Changeset 26657 in vbox for trunk


Ignore:
Timestamp:
Feb 19, 2010 2:40:46 PM (15 years ago)
Author:
vboxsync
Message:

Added the two cpuid.5.ecx mwait feature bits

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/include/VBox/x86.h

    r24851 r26657  
    467467/** Bit 31 - PBE - Pending Break Enabled. */
    468468#define X86_CPUID_FEATURE_EDX_PBE       RT_BIT(31)
     469/** @} */
     470
     471/** @name CPUID Feature information.
     472 * CPUID query with EAX=5.
     473 * @{
     474 */
     475/** ECX Bit 0 - MWAITEXT - Supports mwait/monitor extensions or not. */
     476#define X86_CPUID_MWAIT_ECX_EXT            RT_BIT(0)
     477/** ECX Bit 1 - MWAITBREAK - Break mwait for external interrupt even if EFLAGS.IF=0. */
     478#define X86_CPUID_MWAIT_ECX_BREAKIRQIF0    RT_BIT(1)
    469479/** @} */
    470480
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