target-i386: Move feature name arrays inside FeatureWordInfo
It makes it easier to guarantee the arrays are the right size, and to find information when looking at the code. Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Eduardo Habkost
parent
eab60fb9f5
commit
2d5312da56
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@ -181,185 +181,6 @@ static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
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dst[CPUID_VENDOR_SZ] = '\0';
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}
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/* feature flags taken from "Intel Processor Identification and the CPUID
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* Instruction" and AMD's "CPUID Specification". In cases of disagreement
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* between feature naming conventions, aliases may be added.
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*/
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static const char *feature_name[] = {
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"fpu", "vme", "de", "pse",
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"tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep",
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"mtrr", "pge", "mca", "cmov",
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"pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
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NULL, "ds" /* Intel dts */, "acpi", "mmx",
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"fxsr", "sse", "sse2", "ss",
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"ht" /* Intel htt */, "tm", "ia64", "pbe",
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};
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static const char *ext_feature_name[] = {
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"pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
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"ds_cpl", "vmx", "smx", "est",
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"tm2", "ssse3", "cid", NULL,
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"fma", "cx16", "xtpr", "pdcm",
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NULL, "pcid", "dca", "sse4.1|sse4_1",
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"sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
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"tsc-deadline", "aes", "xsave", "osxsave",
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"avx", "f16c", "rdrand", "hypervisor",
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};
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/* Feature names that are already defined on feature_name[] but are set on
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* CPUID[8000_0001].EDX on AMD CPUs don't have their names on
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* ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
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* if and only if CPU vendor is AMD.
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*/
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static const char *ext2_feature_name[] = {
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NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
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NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
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NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
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NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
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NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
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"nx|xd", NULL, "mmxext", NULL /* mmx */,
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NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
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NULL, "lm|i64", "3dnowext", "3dnow",
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};
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static const char *ext3_feature_name[] = {
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"lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
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"cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
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"3dnowprefetch", "osvw", "ibs", "xop",
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"skinit", "wdt", NULL, "lwp",
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"fma4", "tce", NULL, "nodeid_msr",
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NULL, "tbm", "topoext", "perfctr_core",
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"perfctr_nb", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *ext4_feature_name[] = {
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NULL, NULL, "xstore", "xstore-en",
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NULL, NULL, "xcrypt", "xcrypt-en",
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"ace2", "ace2-en", "phe", "phe-en",
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"pmm", "pmm-en", NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *kvm_feature_name[] = {
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"kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
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"kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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"kvmclock-stable-bit", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *hyperv_priv_feature_name[] = {
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NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
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NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
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NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
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NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
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NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
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NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *hyperv_ident_feature_name[] = {
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NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
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NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
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NULL /* hv_post_messages */, NULL /* hv_signal_events */,
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NULL /* hv_create_port */, NULL /* hv_connect_port */,
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NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
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NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
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NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *hyperv_misc_feature_name[] = {
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NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
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NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
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NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
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NULL, NULL,
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NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *svm_feature_name[] = {
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"npt", "lbrv", "svm_lock", "nrip_save",
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"tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
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NULL, NULL, "pause_filter", NULL,
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"pfthreshold", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_7_0_ebx_feature_name[] = {
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"fsgsbase", "tsc_adjust", NULL, "bmi1",
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"hle", "avx2", NULL, "smep",
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"bmi2", "erms", "invpcid", "rtm",
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NULL, NULL, "mpx", NULL,
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"avx512f", "avx512dq", "rdseed", "adx",
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"smap", "avx512ifma", "pcommit", "clflushopt",
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"clwb", NULL, "avx512pf", "avx512er",
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"avx512cd", NULL, "avx512bw", "avx512vl",
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};
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static const char *cpuid_7_0_ecx_feature_name[] = {
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NULL, "avx512vbmi", "umip", "pku",
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"ospke", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, "rdpid", NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_apm_edx_feature_name[] = {
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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"invtsc", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_xsave_feature_name[] = {
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"xsaveopt", "xsavec", "xgetbv1", "xsaves",
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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static const char *cpuid_6_feature_name[] = {
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NULL, NULL, "arat", NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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};
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#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
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#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
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CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
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@ -425,7 +246,12 @@ static const char *cpuid_6_feature_name[] = {
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CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */
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typedef struct FeatureWordInfo {
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const char **feat_names;
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/* feature flags names are taken from "Intel Processor Identification and
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* the CPUID Instruction" and AMD's "CPUID Specification".
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* In cases of disagreement between feature naming conventions,
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* aliases may be added.
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*/
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const char *feat_names[32];
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uint32_t cpuid_eax; /* Input EAX for CPUID */
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bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
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uint32_t cpuid_ecx; /* Input ECX value for CPUID */
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@ -436,82 +262,230 @@ typedef struct FeatureWordInfo {
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static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
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[FEAT_1_EDX] = {
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.feat_names = feature_name,
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.feat_names = {
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"fpu", "vme", "de", "pse",
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"tsc", "msr", "pae", "mce",
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"cx8", "apic", NULL, "sep",
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"mtrr", "pge", "mca", "cmov",
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"pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
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NULL, "ds" /* Intel dts */, "acpi", "mmx",
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"fxsr", "sse", "sse2", "ss",
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"ht" /* Intel htt */, "tm", "ia64", "pbe",
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},
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.cpuid_eax = 1, .cpuid_reg = R_EDX,
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.tcg_features = TCG_FEATURES,
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},
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[FEAT_1_ECX] = {
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.feat_names = ext_feature_name,
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.feat_names = {
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"pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
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"ds_cpl", "vmx", "smx", "est",
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"tm2", "ssse3", "cid", NULL,
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"fma", "cx16", "xtpr", "pdcm",
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NULL, "pcid", "dca", "sse4.1|sse4_1",
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"sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
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"tsc-deadline", "aes", "xsave", "osxsave",
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"avx", "f16c", "rdrand", "hypervisor",
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},
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.cpuid_eax = 1, .cpuid_reg = R_ECX,
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.tcg_features = TCG_EXT_FEATURES,
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},
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/* Feature names that are already defined on feature_name[] but
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* are set on CPUID[8000_0001].EDX on AMD CPUs don't have their
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* names on feat_names below. They are copied automatically
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* to features[FEAT_8000_0001_EDX] if and only if CPU vendor is AMD.
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*/
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[FEAT_8000_0001_EDX] = {
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.feat_names = ext2_feature_name,
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.feat_names = {
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NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
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NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
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NULL /* cx8 */, NULL /* apic */, NULL, "syscall",
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NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
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NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
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"nx|xd", NULL, "mmxext", NULL /* mmx */,
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NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb", "rdtscp",
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NULL, "lm|i64", "3dnowext", "3dnow",
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},
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.cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
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.tcg_features = TCG_EXT2_FEATURES,
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},
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[FEAT_8000_0001_ECX] = {
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.feat_names = ext3_feature_name,
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.feat_names = {
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"lahf_lm", "cmp_legacy", "svm", "extapic",
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"cr8legacy", "abm", "sse4a", "misalignsse",
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"3dnowprefetch", "osvw", "ibs", "xop",
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"skinit", "wdt", NULL, "lwp",
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"fma4", "tce", NULL, "nodeid_msr",
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NULL, "tbm", "topoext", "perfctr_core",
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"perfctr_nb", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
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.tcg_features = TCG_EXT3_FEATURES,
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},
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[FEAT_C000_0001_EDX] = {
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.feat_names = ext4_feature_name,
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.feat_names = {
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NULL, NULL, "xstore", "xstore-en",
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NULL, NULL, "xcrypt", "xcrypt-en",
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"ace2", "ace2-en", "phe", "phe-en",
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"pmm", "pmm-en", NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
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.tcg_features = TCG_EXT4_FEATURES,
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},
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[FEAT_KVM] = {
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.feat_names = kvm_feature_name,
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.feat_names = {
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"kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
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"kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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"kvmclock-stable-bit", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
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.tcg_features = TCG_KVM_FEATURES,
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},
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[FEAT_HYPERV_EAX] = {
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.feat_names = hyperv_priv_feature_name,
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.feat_names = {
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NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
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NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
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NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
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NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
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NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
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NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0x40000003, .cpuid_reg = R_EAX,
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},
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[FEAT_HYPERV_EBX] = {
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.feat_names = hyperv_ident_feature_name,
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.feat_names = {
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NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
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NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
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NULL /* hv_post_messages */, NULL /* hv_signal_events */,
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NULL /* hv_create_port */, NULL /* hv_connect_port */,
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NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
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NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
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NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0x40000003, .cpuid_reg = R_EBX,
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},
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[FEAT_HYPERV_EDX] = {
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.feat_names = hyperv_misc_feature_name,
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.feat_names = {
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NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
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NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
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NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
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NULL, NULL,
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NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0x40000003, .cpuid_reg = R_EDX,
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},
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[FEAT_SVM] = {
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.feat_names = svm_feature_name,
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.feat_names = {
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"npt", "lbrv", "svm_lock", "nrip_save",
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"tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
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NULL, NULL, "pause_filter", NULL,
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"pfthreshold", NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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NULL, NULL, NULL, NULL,
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},
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.cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
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.tcg_features = TCG_SVM_FEATURES,
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},
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[FEAT_7_0_EBX] = {
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.feat_names = cpuid_7_0_ebx_feature_name,
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.feat_names = {
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"fsgsbase", "tsc_adjust", NULL, "bmi1",
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"hle", "avx2", NULL, "smep",
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"bmi2", "erms", "invpcid", "rtm",
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NULL, NULL, "mpx", NULL,
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"avx512f", "avx512dq", "rdseed", "adx",
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"smap", "avx512ifma", "pcommit", "clflushopt",
|
||||
"clwb", NULL, "avx512pf", "avx512er",
|
||||
"avx512cd", NULL, "avx512bw", "avx512vl",
|
||||
},
|
||||
.cpuid_eax = 7,
|
||||
.cpuid_needs_ecx = true, .cpuid_ecx = 0,
|
||||
.cpuid_reg = R_EBX,
|
||||
.tcg_features = TCG_7_0_EBX_FEATURES,
|
||||
},
|
||||
[FEAT_7_0_ECX] = {
|
||||
.feat_names = cpuid_7_0_ecx_feature_name,
|
||||
.feat_names = {
|
||||
NULL, "avx512vbmi", "umip", "pku",
|
||||
"ospke", NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, "rdpid", NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
},
|
||||
.cpuid_eax = 7,
|
||||
.cpuid_needs_ecx = true, .cpuid_ecx = 0,
|
||||
.cpuid_reg = R_ECX,
|
||||
.tcg_features = TCG_7_0_ECX_FEATURES,
|
||||
},
|
||||
[FEAT_8000_0007_EDX] = {
|
||||
.feat_names = cpuid_apm_edx_feature_name,
|
||||
.feat_names = {
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
"invtsc", NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
},
|
||||
.cpuid_eax = 0x80000007,
|
||||
.cpuid_reg = R_EDX,
|
||||
.tcg_features = TCG_APM_FEATURES,
|
||||
.unmigratable_flags = CPUID_APM_INVTSC,
|
||||
},
|
||||
[FEAT_XSAVE] = {
|
||||
.feat_names = cpuid_xsave_feature_name,
|
||||
.feat_names = {
|
||||
"xsaveopt", "xsavec", "xgetbv1", "xsaves",
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
},
|
||||
.cpuid_eax = 0xd,
|
||||
.cpuid_needs_ecx = true, .cpuid_ecx = 1,
|
||||
.cpuid_reg = R_EAX,
|
||||
.tcg_features = TCG_XSAVE_FEATURES,
|
||||
},
|
||||
[FEAT_6_EAX] = {
|
||||
.feat_names = cpuid_6_feature_name,
|
||||
.feat_names = {
|
||||
NULL, NULL, "arat", NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
NULL, NULL, NULL, NULL,
|
||||
},
|
||||
.cpuid_eax = 6, .cpuid_reg = R_EAX,
|
||||
.tcg_features = TCG_6_EAX_FEATURES,
|
||||
},
|
||||
|
|
@ -711,8 +685,7 @@ static void add_flagname_to_bitmaps(const char *flagname,
|
|||
FeatureWord w;
|
||||
for (w = 0; w < FEATURE_WORDS; w++) {
|
||||
FeatureWordInfo *wi = &feature_word_info[w];
|
||||
if (wi->feat_names &&
|
||||
lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
|
||||
if (lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
|
@ -3324,9 +3297,6 @@ static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
|
|||
char **names;
|
||||
FeatureWordInfo *fi = &feature_word_info[w];
|
||||
|
||||
if (!fi->feat_names) {
|
||||
return;
|
||||
}
|
||||
if (!fi->feat_names[bitnr]) {
|
||||
return;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue