linprocfs: Decode more CPU flags in cpuinfo
Differential revision: https://reviews.freebsd.org/D35556 MFC after: 2 weeks
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@ -202,6 +202,7 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
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uint64_t freq;
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size_t size;
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u_int cache_size[4];
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u_int regs[4] = { 0 };
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int fqmhz, fqkhz;
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int i, j;
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@ -264,6 +265,33 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
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/* 28 */ "avx512cd", "sha_ni", "avx512bw", "avx512vl"
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};
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static char *cpu_stdext_feature2_names[] = {
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/* 0 */ "prefetchwt1", "avx512vbmi", "umip", "pku",
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/* 4 */ "ospke", "waitpkg", "avx512_vbmi2", "",
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/* 8 */ "gfni", "vaes", "vpclmulqdq", "avx512_vnni",
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/* 12 */ "avx512_bitalg", "", "avx512_vpopcntdq", "",
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/* 16 */ "", "", "", "",
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/* 20 */ "", "", "rdpid", "",
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/* 24 */ "", "cldemote", "", "movdiri",
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/* 28 */ "movdir64b", "enqcmd", "sgx_lc", ""
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};
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static char *cpu_stdext_feature3_names[] = {
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/* 0 */ "", "", "avx512_4vnniw", "avx512_4fmaps",
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/* 4 */ "fsrm", "", "", "",
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/* 8 */ "avx512_vp2intersect", "", "md_clear", "",
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/* 12 */ "", "", "", "",
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/* 16 */ "", "", "pconfig", "",
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/* 20 */ "", "", "", "",
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/* 24 */ "", "", "ibrs", "stibp",
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/* 28 */ "flush_l1d", "arch_capabilities", "core_capabilities", "ssbd"
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};
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static char *cpu_stdext_feature_l1_names[] = {
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/* 0 */ "xsaveopt", "xsavec", "xgetbv1", "xsaves",
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/* 4 */ "xfd"
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};
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static char *power_flags[] = {
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"ts", "fid", "vid",
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"ttp", "tm", "stc",
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@ -351,6 +379,24 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
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cpu_stdext_feature_names[j]);
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if (tsc_is_invariant)
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sbuf_cat(sb, " constant_tsc");
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for (j = 0; j < nitems(cpu_stdext_feature2_names); j++)
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if (cpu_stdext_feature2 & (1 << j) &&
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cpu_stdext_feature2_names[j][0] != '\0')
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sbuf_printf(sb, " %s",
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cpu_stdext_feature2_names[j]);
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for (j = 0; j < nitems(cpu_stdext_feature3_names); j++)
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if (cpu_stdext_feature3 & (1 << j) &&
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cpu_stdext_feature3_names[j][0] != '\0')
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sbuf_printf(sb, " %s",
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cpu_stdext_feature3_names[j]);
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if ((cpu_feature2 & CPUID2_XSAVE) != 0) {
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cpuid_count(0xd, 0x1, regs);
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for (j = 0; j < nitems(cpu_stdext_feature_l1_names); j++)
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if (regs[0] & (1 << j) &&
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cpu_stdext_feature_l1_names[j][0] != '\0')
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sbuf_printf(sb, " %s",
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cpu_stdext_feature_l1_names[j]);
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}
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sbuf_cat(sb, "\n");
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sbuf_printf(sb,
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"bugs\t\t: %s\n"
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