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x86,tools/libxc: expose HLE/RTM features to pv and hvm
Intel recently release 2 new features, HLE and TRM. Refer to http://software.intel.com/file/41417. This patch expose them to pv and hvm Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com> Committed-by: Keir Fraser <keir@xen.org>
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@@ -129,10 +129,12 @@
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/* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx) */
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#define X86_FEATURE_FSGSBASE 0 /* {RD,WR}{FS,GS}BASE instructions */
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#define X86_FEATURE_BMI1 3 /* 1st group bit manipulation extensions */
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#define X86_FEATURE_HLE 4 /* Hardware Lock Elision */
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#define X86_FEATURE_AVX2 5 /* AVX2 instructions */
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#define X86_FEATURE_SMEP 7 /* Supervisor Mode Execution Protection */
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#define X86_FEATURE_BMI2 8 /* 2nd group bit manipulation extensions */
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#define X86_FEATURE_ERMS 9 /* Enhanced REP MOVSB/STOSB */
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#define X86_FEATURE_INVPCID 10 /* Invalidate Process Context ID */
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#define X86_FEATURE_RTM 11 /* Restricted Transactional Memory */
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#endif /* __LIBXC_CPUFEATURE_H */
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@@ -363,11 +363,13 @@ static void xc_cpuid_hvm_policy(
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case 0x00000007: /* Intel-defined CPU features */
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if ( input[1] == 0 ) {
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regs[1] &= (bitmaskof(X86_FEATURE_BMI1) |
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bitmaskof(X86_FEATURE_HLE) |
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bitmaskof(X86_FEATURE_AVX2) |
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bitmaskof(X86_FEATURE_SMEP) |
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bitmaskof(X86_FEATURE_BMI2) |
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bitmaskof(X86_FEATURE_ERMS) |
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bitmaskof(X86_FEATURE_INVPCID) |
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bitmaskof(X86_FEATURE_RTM) |
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bitmaskof(X86_FEATURE_FSGSBASE));
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} else
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regs[1] = 0;
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@@ -496,9 +498,11 @@ static void xc_cpuid_pv_policy(
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case 0x00000007:
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if ( input[1] == 0 )
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regs[1] &= (bitmaskof(X86_FEATURE_BMI1) |
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bitmaskof(X86_FEATURE_HLE) |
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bitmaskof(X86_FEATURE_AVX2) |
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bitmaskof(X86_FEATURE_BMI2) |
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bitmaskof(X86_FEATURE_ERMS) |
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bitmaskof(X86_FEATURE_RTM) |
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bitmaskof(X86_FEATURE_FSGSBASE));
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else
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regs[1] = 0;
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