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Decode more CPU flags in cpuinfo.

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Reviewed by:	dchagin
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D20145
This commit is contained in:
trasz 2019-05-03 08:27:03 +00:00
parent 1a35b8949f
commit 88a2bb7002
1 changed files with 76 additions and 13 deletions
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89
sys/compat/linprocfs/linprocfs.c
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@ -212,14 +212,59 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
* We default the flags to include all non-conflicting flags,
* and the Intel versions of conflicting flags.
*/
static char *flags[] = {
"fpu", "vme", "de", "pse", "tsc",
"msr", "pae", "mce", "cx8", "apic",
"", "sep", "mtrr", "pge", "mca",
"cmov", "pat", "pse36", "pn", "clflush",
"", "dts", "acpi", "mmx", "fxsr",
"sse", "sse2", "ss", "ht", "tm",
"ia64", "pbe"
static char *cpu_feature_names[] = {
/* 0 */ "fpu", "vme", "de", "pse",
/* 4 */ "tsc", "msr", "pae", "mce",
/* 8 */ "cx8", "apic", "", "sep",
/* 12 */ "mtrr", "pge", "mca", "cmov",
/* 16 */ "pat", "pse36", "pn", "clflush",
/* 20 */ "", "dts", "acpi", "mmx",
/* 24 */ "fxsr", "sse", "sse2", "ss",
/* 28 */ "ht", "tm", "ia64", "pbe"
};
static char *amd_feature_names[] = {
/* 0 */ "", "", "", "",
/* 4 */ "", "", "", "",
/* 8 */ "", "", "", "syscall",
/* 12 */ "", "", "", "",
/* 16 */ "", "", "", "mp",
/* 20 */ "nx", "", "mmxext", "",
/* 24 */ "", "fxsr_opt", "pdpe1gb", "rdtscp",
/* 28 */ "", "lm", "3dnowext", "3dnow"
};
static char *cpu_feature2_names[] = {
/* 0 */ "pni", "pclmulqdq", "dtes3", "monitor",
/* 4 */ "ds_cpl", "vmx", "smx", "est",
/* 8 */ "tm2", "ssse3", "cid", "sdbg",
/* 12 */ "fma", "cx16", "xptr", "pdcm",
/* 16 */ "", "pcid", "dca", "sse4_1",
/* 20 */ "sse4_2", "x2apic", "movbe", "popcnt",
/* 24 */ "tsc_deadline_timer", "aes", "xsave", "",
/* 28 */ "avx", "f16c", "rdrand", "hypervisor"
};
static char *amd_feature2_names[] = {
/* 0 */ "lahf_lm", "cmp_legacy", "svm", "extapic",
/* 4 */ "cr8_legacy", "abm", "sse4a", "misalignsse",
/* 8 */ "3dnowprefetch", "osvw", "ibs", "xop",
/* 12 */ "skinit", "wdt", "", "lwp",
/* 16 */ "fma4", "tce", "", "nodeid_msr",
/* 20 */ "", "tbm", "topoext", "perfctr_core",
/* 24 */ "perfctr_nb", "", "bpext", "ptsc",
/* 28 */ "perfctr_llc", "mwaitx", "", ""
};
static char *cpu_stdext_feature_names[] = {
/* 0 */ "fsgsbase", "tsc_adjust", "", "bmi1",
/* 4 */ "hle", "avx2", "", "smep",
/* 8 */ "bmi2", "erms", "invpcid", "rtm",
/* 12 */ "cqm", "", "mpx", "rdt_a",
/* 16 */ "avx512f", "avx512dq", "rdseed", "adx",
/* 20 */ "smap", "avx512ifma", "", "clflushopt",
/* 24 */ "clwb", "intel_pt", "avx512pf", "avx512er",
/* 28 */ "avx512cd", "sha_ni", "avx512bw", "avx512vl"
};
static char *power_flags[] = {
@ -240,10 +285,10 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
switch (cpu_vendor_id) {
case CPU_VENDOR_AMD:
if (cpu_class < CPUCLASS_686)
flags[16] = "fcmov";
cpu_feature_names[16] = "fcmov";
break;
case CPU_VENDOR_CYRIX:
flags[24] = "cxmmx";
cpu_feature_names[24] = "cxmmx";
break;
}
#endif
@ -286,9 +331,27 @@ linprocfs_docpuinfo(PFS_FILL_ARGS)
(cpu_feature & CPUID_FPU) ? "yes" : "no", "yes",
CPUID_TO_FAMILY(cpu_id), "yes");
sbuf_cat(sb, "flags\t\t:");
for (j = 0; j < nitems(flags); j++)
if (cpu_feature & (1 << j) && flags[j][0] != '\0')
sbuf_printf(sb, " %s", flags[j]);
for (j = 0; j < nitems(cpu_feature_names); j++)
if (cpu_feature & (1 << j) &&
cpu_feature_names[j][0] != '\0')
sbuf_printf(sb, " %s", cpu_feature_names[j]);
for (j = 0; j < nitems(amd_feature_names); j++)
if (amd_feature & (1 << j) &&
amd_feature_names[j][0] != '\0')
sbuf_printf(sb, " %s", amd_feature_names[j]);
for (j = 0; j < nitems(cpu_feature2_names); j++)
if (cpu_feature2 & (1 << j) &&
cpu_feature2_names[j][0] != '\0')
sbuf_printf(sb, " %s", cpu_feature2_names[j]);
for (j = 0; j < nitems(amd_feature2_names); j++)
if (amd_feature2 & (1 << j) &&
amd_feature2_names[j][0] != '\0')
sbuf_printf(sb, " %s", amd_feature2_names[j]);
for (j = 0; j < nitems(cpu_stdext_feature_names); j++)
if (cpu_stdext_feature & (1 << j) &&
cpu_stdext_feature_names[j][0] != '\0')
sbuf_printf(sb, " %s",
cpu_stdext_feature_names[j]);
sbuf_cat(sb, "\n");
sbuf_printf(sb,
"bugs\t\t: %s\n"