1 .. SPDX-License-Identifier: GPL-2.0
7 A guest VM running on an ACRN hypervisor can check some of its features using
10 ACRN cpuid functions are:
21 Note that this value in ebx, ecx and edx corresponds to the string
22 "ACRNACRNACRN". The value in eax corresponds to the maximum cpuid function
23 present in this leaf, and will be updated if more functions are added in the
26 function: define ACRN_CPUID_FEATURES (0x40000001)
31 eax = an OR'ed group of (1 << flag)
33 where ``flag`` is defined as below:
35 ================================= =========== ================================
37 ================================= =========== ================================
38 ACRN_FEATURE_PRIVILEGED_VM 0 guest VM is a privileged VM
39 ================================= =========== ================================
46 eax = (Virtual) TSC frequency in kHz.