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| author | Jung-uk Kim <jkim@FreeBSD.org> | 2011-04-28 22:23:39 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2011-04-28 22:23:39 +0000 |
| commit | c34e9dbee11c6e0a20362595a3d511bef146957e (patch) | |
| tree | 2426ae1d7f93bafff20e4a027711119c6e1978b8 | |
| parent | efa439f740eaf071feecd68b2d0906f1f9dd747c (diff) | |
| download | src-c34e9dbee11c6e0a20362595a3d511bef146957e.tar.gz src-c34e9dbee11c6e0a20362595a3d511bef146957e.zip | |
Define "Hypervisor Present" bit. This bit is used by several hypervisors to
identify CPUs running under emulation. Currently QEMU-KVM, Xen-HVM, VMware,
and MS Hyper-V are known to set this bit.
MFC after: 3 days
Notes
Notes:
svn path=/head/; revision=221188
| -rw-r--r-- | sys/amd64/amd64/identcpu.c | 2 | ||||
| -rw-r--r-- | sys/amd64/include/specialreg.h | 1 | ||||
| -rw-r--r-- | sys/i386/i386/identcpu.c | 2 | ||||
| -rw-r--r-- | sys/i386/include/specialreg.h | 1 |
4 files changed, 4 insertions, 2 deletions
diff --git a/sys/amd64/amd64/identcpu.c b/sys/amd64/amd64/identcpu.c index c1e0220a0ba1..1da4181f5ea4 100644 --- a/sys/amd64/amd64/identcpu.c +++ b/sys/amd64/amd64/identcpu.c @@ -296,7 +296,7 @@ printcpuinfo(void) "\035<b28>" "\036<b29>" "\037<b30>" - "\040<b31>" + "\040HV" /* Hypervisor */ ); } diff --git a/sys/amd64/include/specialreg.h b/sys/amd64/include/specialreg.h index 22ae08ced83c..9428dd906125 100644 --- a/sys/amd64/include/specialreg.h +++ b/sys/amd64/include/specialreg.h @@ -134,6 +134,7 @@ #define CPUID2_MOVBE 0x00400000 #define CPUID2_POPCNT 0x00800000 #define CPUID2_AESNI 0x02000000 +#define CPUID2_HV 0x80000000 /* * Important bits in the Thermal and Power Management flags diff --git a/sys/i386/i386/identcpu.c b/sys/i386/i386/identcpu.c index 59b4b9cb29c2..cd90d478ee43 100644 --- a/sys/i386/i386/identcpu.c +++ b/sys/i386/i386/identcpu.c @@ -773,7 +773,7 @@ printcpuinfo(void) "\035<b28>" "\036<b29>" "\037<b30>" - "\040<b31>" + "\040HV" /* Hypervisor */ ); } diff --git a/sys/i386/include/specialreg.h b/sys/i386/include/specialreg.h index 2cd1f8f496d3..cfb205f17ff0 100644 --- a/sys/i386/include/specialreg.h +++ b/sys/i386/include/specialreg.h @@ -131,6 +131,7 @@ #define CPUID2_MOVBE 0x00400000 #define CPUID2_POPCNT 0x00800000 #define CPUID2_AESNI 0x02000000 +#define CPUID2_HV 0x80000000 /* * Important bits in the Thermal and Power Management flags |