diff options
| author | Xiao Guangrong <guangrong.xiao@linux.intel.com> | 2015-10-29 15:31:39 +0800 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2015-11-05 17:35:04 -0200 |
| commit | f7fda280948a5e74aeb076ef346b991ecb173c56 (patch) | |
| tree | 399a589a31e92ff01bdff294acb99f07f58d822d /target-i386/cpu.h | |
| parent | 6aa91e4a0237ddcebb85e3a95e166f3b3cfa42ae (diff) | |
target-i386: Enable clflushopt/clwb/pcommit instructions
These instructions are used by NVDIMM drivers and the specification is
located at:
https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf
There instructions are available on Skylake Server.
Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target-i386/cpu.h')
| -rw-r--r-- | target-i386/cpu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h index 62f78798b6..fc4a605d6a 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -576,6 +576,9 @@ typedef uint32_t FeatureWordArray[FEATURE_WORDS]; #define CPUID_7_0_EBX_RDSEED (1U << 18) #define CPUID_7_0_EBX_ADX (1U << 19) #define CPUID_7_0_EBX_SMAP (1U << 20) +#define CPUID_7_0_EBX_PCOMMIT (1U << 22) /* Persistent Commit */ +#define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) /* Flush a Cache Line Optimized */ +#define CPUID_7_0_EBX_CLWB (1U << 24) /* Cache Line Write Back */ #define CPUID_7_0_EBX_AVX512PF (1U << 26) /* AVX-512 Prefetch */ #define CPUID_7_0_EBX_AVX512ER (1U << 27) /* AVX-512 Exponential and Reciprocal */ #define CPUID_7_0_EBX_AVX512CD (1U << 28) /* AVX-512 Conflict Detection */ |