1 /* 2 * Explicitly intended for multiple inclusion. 3 */ 4 5 #include <xen/lib/x86/cpuid-autogen.h> 6 7 /* Number of capability words covered by the featureset words. */ 8 #define FSCAPINTS FEATURESET_NR_ENTRIES 9 10 /* Synthetic words follow the featureset words. */ 11 #define X86_NR_SYNTH 1 12 #define X86_SYNTH(x) (FSCAPINTS * 32 + (x)) 13 14 /* Synthetic features */ 15 XEN_CPUFEATURE(CONSTANT_TSC, X86_SYNTH( 0)) /* TSC ticks at a constant rate */ 16 XEN_CPUFEATURE(NONSTOP_TSC, X86_SYNTH( 1)) /* TSC does not stop in C states */ 17 XEN_CPUFEATURE(ARAT, X86_SYNTH( 2)) /* Always running APIC timer */ 18 XEN_CPUFEATURE(ARCH_PERFMON, X86_SYNTH( 3)) /* Intel Architectural PerfMon */ 19 XEN_CPUFEATURE(TSC_RELIABLE, X86_SYNTH( 4)) /* TSC is known to be reliable */ 20 XEN_CPUFEATURE(XTOPOLOGY, X86_SYNTH( 5)) /* cpu topology enum extensions */ 21 XEN_CPUFEATURE(CPUID_FAULTING, X86_SYNTH( 6)) /* cpuid faulting */ 22 XEN_CPUFEATURE(CLFLUSH_MONITOR, X86_SYNTH( 7)) /* clflush reqd with monitor */ 23 XEN_CPUFEATURE(APERFMPERF, X86_SYNTH( 8)) /* APERFMPERF */ 24 XEN_CPUFEATURE(MFENCE_RDTSC, X86_SYNTH( 9)) /* MFENCE synchronizes RDTSC */ 25 XEN_CPUFEATURE(XEN_SMEP, X86_SYNTH(10)) /* SMEP gets used by Xen itself */ 26 XEN_CPUFEATURE(XEN_SMAP, X86_SYNTH(11)) /* SMAP gets used by Xen itself */ 27 XEN_CPUFEATURE(LFENCE_DISPATCH, X86_SYNTH(12)) /* lfence set as Dispatch Serialising */ 28 XEN_CPUFEATURE(IND_THUNK_LFENCE, X86_SYNTH(13)) /* Use IND_THUNK_LFENCE */ 29 XEN_CPUFEATURE(IND_THUNK_JMP, X86_SYNTH(14)) /* Use IND_THUNK_JMP */ 30 XEN_CPUFEATURE(SC_BRANCH_HARDEN, X86_SYNTH(15)) /* Conditional Branch Hardening */ 31 XEN_CPUFEATURE(SC_MSR_PV, X86_SYNTH(16)) /* MSR_SPEC_CTRL used by Xen for PV */ 32 XEN_CPUFEATURE(SC_MSR_HVM, X86_SYNTH(17)) /* MSR_SPEC_CTRL used by Xen for HVM */ 33 XEN_CPUFEATURE(SC_RSB_PV, X86_SYNTH(18)) /* RSB overwrite needed for PV */ 34 XEN_CPUFEATURE(SC_RSB_HVM, X86_SYNTH(19)) /* RSB overwrite needed for HVM */ 35 XEN_CPUFEATURE(XEN_SELFSNOOP, X86_SYNTH(20)) /* SELFSNOOP gets used by Xen itself */ 36 XEN_CPUFEATURE(SC_MSR_IDLE, X86_SYNTH(21)) /* (SC_MSR_PV || SC_MSR_HVM) && default_xen_spec_ctrl */ 37 XEN_CPUFEATURE(XEN_LBR, X86_SYNTH(22)) /* Xen uses MSR_DEBUGCTL.LBR */ 38 XEN_CPUFEATURE(SC_VERW_PV, X86_SYNTH(23)) /* VERW used by Xen for PV */ 39 XEN_CPUFEATURE(SC_VERW_HVM, X86_SYNTH(24)) /* VERW used by Xen for HVM */ 40 XEN_CPUFEATURE(SC_VERW_IDLE, X86_SYNTH(25)) /* VERW used by Xen for idle */ 41 XEN_CPUFEATURE(XEN_SHSTK, X86_SYNTH(26)) /* Xen uses CET Shadow Stacks */ 42 43 /* Bug words follow the synthetic words. */ 44 #define X86_NR_BUG 1 45 #define X86_BUG(x) ((FSCAPINTS + X86_NR_SYNTH) * 32 + (x)) 46 47 #define X86_BUG_FPU_PTRS X86_BUG( 0) /* (F)X{SAVE,RSTOR} doesn't save/restore FOP/FIP/FDP. */ 48 49 /* Total number of capability words, inc synth and bug words. */ 50 #define NCAPINTS (FSCAPINTS + X86_NR_SYNTH + X86_NR_BUG) /* N 32-bit words worth of info */ 51