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* [newlib-cygwin] fhandler_proc.cc(format_proc_cpuinfo): add feature flags
@ 2019-10-07 19:55 Ken Brown
0 siblings, 0 replies; only message in thread
From: Ken Brown @ 2019-10-07 19:55 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=f723e3caaedd462a13190c000b1be6c3c31e60c2
commit f723e3caaedd462a13190c000b1be6c3c31e60c2
Author: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
Date: Mon Oct 7 10:23:05 2019 -0600
fhandler_proc.cc(format_proc_cpuinfo): add feature flags
Add 99 feature flags including AVX512 extensions, AES, SHA with 20
cpuid calls.
Diff:
---
winsup/cygwin/fhandler_proc.cc | 238 +++++++++++++++++++++++++++++++++++++++--
1 file changed, 229 insertions(+), 9 deletions(-)
diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index fbcec38..1333823 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1019,6 +1019,21 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 30, "3dnowext"); /* 3DNow extensions */
ftcprint (features1, 31, "3dnow"); /* 3DNow */
}
+ /* AMD cpuid 0x80000007 edx */
+ if (is_amd && maxe >= 0x80000007)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x80000007);
+
+ ftcprint (features1, 8, "constant_tsc"); /* TSC constant rate */
+ ftcprint (features1, 8, "nonstop_tsc"); /* nonstop C states */
+ }
+ /* cpuid 0x00000006 ecx */
+ if (maxf >= 0x06)
+ {
+ cpuid (&unused, &unused, &features1, &unused, 0x06);
+
+ ftcprint (features1, 0, "aperfmperf"); /* P state hw coord fb */
+ }
/* cpuid 0x00000001 ecx */
ftcprint (features2, 0, "pni"); /* xmm3 sse3 */
@@ -1044,6 +1059,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features2, 21, "x2apic"); /* x2 APIC */
ftcprint (features2, 22, "movbe"); /* movbe instruction */
ftcprint (features2, 23, "popcnt"); /* popcnt instruction */
+ ftcprint (features2, 24, "tsc_deadline_timer"); /* TSC deadline timer */
ftcprint (features2, 25, "aes"); /* AES instructions */
ftcprint (features2, 26, "xsave"); /* xsave/xrstor/xsetbv/xgetbv */
ftcprint (features2, 27, "osxsave"); /* not output on Linux */
@@ -1084,25 +1100,83 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 22, "topoext"); /* topology ext */
ftcprint (features1, 23, "perfctr_core"); /* core perf ctr ext */
ftcprint (features1, 24, "perfctr_nb"); /* NB perf ctr ext */
+ ftcprint (features1, 26, "bpext"); /* data brkpt ext */
+ ftcprint (features1, 27, "ptsc"); /* perf timestamp ctr */
ftcprint (features1, 28, "perfctr_llc"); /* ll cache perf ctr */
ftcprint (features1, 29, "mwaitx"); /* monitor/mwaitx ext */
}
}
/* features scattered in various CPUID levels. */
- /* thermal & power cpuid 0x00000006 eax ecx */
+ /* cpuid 0x80000007 edx */
+ if (maxf >= 0x07)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x80000007);
+
+ ftcprint (features1, 9, "cpb"); /* core performance boost */
+ }
+ /* cpuid 0x00000006 ecx */
if (maxf >= 0x06)
{
- cpuid (&features1, &unused, &features2, &unused, 0x06);
+ cpuid (&unused, &unused, &features1, &unused, 0x06);
- ftcprint (features2, 3, "epb"); /* energy perf bias */
+ ftcprint (features1, 3, "epb"); /* energy perf bias */
+ }
+ /* cpuid 0x00000010 ebx */
+ if (maxf >= 0x10)
+ {
+ cpuid (&unused, &features1, &unused, &unused, 0x10);
- ftcprint (features1, 0, "dtherm"); /* digital thermal sensor */
- ftcprint (features1, 1, "ida"); /* Intel dynamic acceleration */
- ftcprint (features1, 2, "arat"); /* always running APIC timer */
- ftcprint (features1, 4, "pln"); /* power limit notification */
- ftcprint (features1, 6, "pts"); /* package thermal status */
+ ftcprint (features1, 1, "cat_l3"); /* cache alloc tech l3 */
+ ftcprint (features1, 2, "cat_l2"); /* cache alloc tech l2 */
+
+ /* cpuid 0x00000010:1 ecx */
+ cpuid (&unused, &unused, &features1, &unused, 0x10, 1);
+
+ ftcprint (features1, 2, "cdp_l3"); /* code data prior l3 */
+ }
+ /* cpuid 0x80000007 edx */
+ if (maxe >= 0x80000007)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x80000007);
+
+ ftcprint (features1, 7, "hw_pstate"); /* hw P state */
+ ftcprint (features1, 11, "proc_feedback"); /* proc feedback interf */
+ }
+ /* cpuid 0x8000001f eax */
+ if (maxe >= 0x8000001f)
+ {
+ cpuid (&features1, &unused, &unused, &unused, 0x8000001f);
+
+ ftcprint (features1, 0, "sme"); /* secure memory encryption */
+ }
+ /* cpuid 0x00000010:2 ecx */
+ if (maxf >= 0x10)
+ {
+ cpuid (&unused, &unused, &features1, &unused, 0x10, 2);
+
+ ftcprint (features1, 2, "cdp_l2"); /* code data prior l2 */
+
+ /* cpuid 0x00000010 ebx */
+ cpuid (&unused, &features1, &unused, &unused, 0x10);
+
+ ftcprint (features1, 3, "mba"); /* memory bandwidth alloc */
+ }
+ /* cpuid 0x80000008 ebx */
+ if (maxe >= 0x80000008)
+ {
+ cpuid (&unused, &features1, &unused, &unused, 0x80000008);
+
+ ftcprint (features1, 6, "mba"); /* memory bandwidth alloc */
}
+ /* cpuid 0x8000001f eax */
+ if (maxe >= 0x8000001f)
+ {
+ cpuid (&features1, &unused, &unused, &unused, 0x8000001f);
+
+ ftcprint (features1, 1, "sev"); /* secure encrypted virt */
+ }
+
/* cpuid 0x00000007 ebx */
if (maxf >= 0x07)
{
@@ -1113,30 +1187,171 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 3, "bmi1"); /* bit manip ext group 1 */
ftcprint (features1, 4, "hle"); /* hardware lock elision */
ftcprint (features1, 5, "avx2"); /* AVX ext instructions */
+ ftcprint (features1, 6, "fpdx"); /* FP data ptr upd on exc */
ftcprint (features1, 7, "smep"); /* super mode exec prot */
ftcprint (features1, 8, "bmi2"); /* bit manip ext group 2 */
ftcprint (features1, 9, "erms"); /* enh rep movsb/stosb */
ftcprint (features1, 10, "invpcid"); /* inv proc context id */
ftcprint (features1, 11, "rtm"); /* restricted txnal mem */
+ ftcprint (features1, 12, "cqm"); /* cache QoS monitoring */
+ ftcprint (features1, 13, "fpcsdsz"); /* zero FP cs/ds */
ftcprint (features1, 14, "mpx"); /* mem prot ext */
+ ftcprint (features1, 15, "rdt_a"); /* rsrc dir tech alloc */
ftcprint (features1, 16, "avx512f"); /* vec foundation */
+ ftcprint (features1, 17, "avx512dq"); /* vec dq granular */
ftcprint (features1, 18, "rdseed"); /* RNG rdseed instruction */
ftcprint (features1, 19, "adx"); /* adcx/adox */
ftcprint (features1, 20, "smap"); /* sec mode access prev */
+ ftcprint (features1, 21, "avx512ifma"); /* vec int FMA */
ftcprint (features1, 23, "clflushopt"); /* cache line flush opt */
+ ftcprint (features1, 24, "clwb"); /* cache line write back */
+ ftcprint (features1, 25, "intel_pt"); /* intel processor trace */
ftcprint (features1, 26, "avx512pf"); /* vec prefetch */
ftcprint (features1, 27, "avx512er"); /* vec exp/recip aprx */
ftcprint (features1, 28, "avx512cd"); /* vec conflict detect */
+ ftcprint (features1, 29, "sha_ni"); /* SHA extensions */
+ ftcprint (features1, 30, "avx512bw"); /* vec byte/word gran */
+ ftcprint (features1, 31, "avx512vl"); /* vec vec len ext */
}
- /* cpuid 0x0000000d:1 eax */
+ /* more random feature flags */
+ /* cpuid 0x0000000d:1 eax */
if (maxf >= 0x0d)
{
cpuid (&features1, &unused, &unused, &unused, 0x0d, 1);
ftcprint (features1, 0, "xsaveopt"); /* xsaveopt instruction */
+ ftcprint (features1, 1, "xsavec"); /* xsavec instruction */
+ ftcprint (features1, 2, "xgetbv1"); /* xgetbv ecx 1 */
+ ftcprint (features1, 3, "xsaves"); /* xsaves/xrstors */
+ }
+ /* cpuid 0x0000000f edx */
+ if (maxf >= 0x0f)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x0f);
+
+ ftcprint (features1, 1, "cqm_llc"); /* llc QoS */
+
+ /* cpuid 0x0000000f:1 edx */
+ cpuid (&unused, &unused, &unused, &features1, 0x0f, 1);
+
+ ftcprint (features1, 0, "cqm_occup_llc"); /* llc occup monitor */
+ ftcprint (features1, 1, "cqm_mbm_total"); /* llc total MBM mon */
+ ftcprint (features1, 2, "cqm_mbm_local"); /* llc local MBM mon */
+ }
+ /* cpuid 0x00000007:1 eax */
+ if (maxf >= 0x07)
+ {
+ cpuid (&features1, &unused, &unused, &unused, 0x07, 1);
+
+ ftcprint (features1, 5, "avx512_bf16"); /* vec bfloat16 short */
+ }
+
+ /* AMD cpuid 0x80000008 ebx */
+ if (is_amd && maxe >= 0x80000008)
+ {
+ cpuid (&unused, &features1, &unused, &unused, 0x80000008, 0);
+
+ ftcprint (features1, 0, "clzero"); /* clzero instruction */
+ ftcprint (features1, 1, "irperf"); /* instr retired count */
+ ftcprint (features1, 2, "xsaveerptr"); /* save/rest FP err ptrs */
+ ftcprint (features1, 6, "mba"); /* memory BW alloc */
+ ftcprint (features1, 9, "wbnoinvd"); /* wbnoinvd instruction */
+ ftcprint (features1, 12, "ibpb" ); /* ind br pred barrier */
+ ftcprint (features1, 14, "ibrs" ); /* ind br restricted spec */
+ ftcprint (features1, 15, "stibp"); /* 1 thread ind br pred */
+ ftcprint (features1, 17, "stibp_always_on"); /* stibp always on */
+ ftcprint (features1, 24, "ssbd"); /* spec store byp dis */
+ ftcprint (features1, 25, "virt_ssbd"); /* vir spec store byp dis */
+ ftcprint (features1, 26, "ssb_no"); /* ssb fixed in hardware */
+ }
+
+ /* thermal & power cpuid 0x00000006 eax */
+ if (maxf >= 0x06)
+ {
+ cpuid (&features1, &unused, &features2, &unused, 0x06);
+
+ ftcprint (features1, 0, "dtherm"); /* digital thermal sensor */
+ ftcprint (features1, 1, "ida"); /* Intel dynamic acceleration */
+ ftcprint (features1, 2, "arat"); /* always running APIC timer */
+ ftcprint (features1, 4, "pln"); /* power limit notification */
+ ftcprint (features1, 6, "pts"); /* package thermal status */
+ ftcprint (features1, 7, "hwp"); /* hardware P states */
+ ftcprint (features1, 8, "hwp_notify"); /* HWP notification */
+ ftcprint (features1, 9, "hwp_act_window"); /* HWP activity window */
+ ftcprint (features1, 10, "hwp_epp"); /* HWP energy perf pref */
+ ftcprint (features1, 11, "hwp_pkg_req"); /* HWP package level req */
}
+ /* AMD SVM cpuid 0x8000000a edx */
+ if (is_amd && maxe >= 0x8000000a)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x8000000a, 0);
+
+ ftcprint (features1, 0, "npt"); /* nested paging */
+ ftcprint (features1, 1, "lbrv"); /* lbr virtualization */
+ ftcprint (features1, 2, "svm_lock"); /* SVM locking MSR */
+ ftcprint (features1, 3, "nrip_save"); /* SVM next rip save */
+ ftcprint (features1, 4, "tsc_scale"); /* TSC rate control */
+ ftcprint (features1, 5, "vmcb_clean"); /* VMCB clean bits */
+ ftcprint (features1, 6, "flushbyasid"); /* flush by ASID */
+ ftcprint (features1, 7, "decode_assists"); /* decode assists */
+ ftcprint (features1, 10, "pausefilter"); /* filt pause intrcpt */
+ ftcprint (features1, 12, "pfthreshold"); /* pause filt thresh */
+ ftcprint (features1, 13, "avic"); /* virt int control */
+ ftcprint (features1, 15, "v_vmsave_vmload"); /* virt vmsave vmload */
+ ftcprint (features1, 16, "vgif"); /* virt glb int flag */
+ }
+
+ /* Intel cpuid 0x00000007 ecx */
+ if (is_intel && maxf >= 0x07)
+ {
+ cpuid (&unused, &unused, &features1, &unused, 0x07, 0);
+
+ ftcprint (features1, 1, "avx512vbmi"); /* vec bit manip */
+ ftcprint (features1, 2, "umip"); /* user mode ins prot */
+ ftcprint (features1, 3, "pku"); /* prot key userspace */
+ ftcprint (features1, 4, "ospke"); /* OS prot keys en */
+ ftcprint (features1, 5, "waitpkg"); /* umon/umwait/tpause */
+ ftcprint (features1, 6, "avx512_vbmi2"); /* vec bit manip 2 */
+ ftcprint (features1, 8, "gfni"); /* Galois field instr */
+ ftcprint (features1, 9, "vaes"); /* vector AES */
+ ftcprint (features1, 10, "vpclmulqdq"); /* nc mul dbl quad */
+ ftcprint (features1, 11, "avx512_vnni"); /* vec neural net */
+ ftcprint (features1, 12, "avx512_bitalg"); /* vpopcnt/b/w vpshuf */
+ ftcprint (features1, 13, "tme"); /* total mem encrypt */
+ ftcprint (features1, 14, "avx512_vpopcntdq"); /* vec popcnt dw/qw */
+ ftcprint (features1, 16, "la57"); /* 5 level paging */
+ ftcprint (features1, 22, "rdpid"); /* rdpid instruction */
+ ftcprint (features1, 25, "cldemote"); /* cldemote instr */
+ ftcprint (features1, 27, "movdiri"); /* movdiri instr */
+ ftcprint (features1, 28, "movdir64b"); /* movdir64b instr */
+ }
+
+ /* AMD MCA cpuid 0x80000007 ebx */
+ if (is_amd && maxe >= 0x80000007)
+ {
+ cpuid (&unused, &features1, &unused, &unused, 0x80000007, 0);
+
+ ftcprint (features1, 0, "overflow_recov"); /* MCA oflow recovery */
+ ftcprint (features1, 1, "succor"); /* uncor err recovery */
+ ftcprint (features1, 3, "smca"); /* scalable MCA */
+ }
+
+ /* Intel cpuid 0x00000007 edx */
+ if (is_intel && maxf >= 0x07)
+ {
+ cpuid (&unused, &unused, &unused, &features1, 0x07, 0);
+
+ ftcprint (features1, 2, "avx512_4vnniw"); /* vec dot prod dw */
+ ftcprint (features1, 3, "avx512_4fmaps"); /* vec 4 FMA single */
+ ftcprint (features1, 8, "avx512_vp2intersect"); /* vec intcpt d/q */
+ ftcprint (features1, 10, "md_clear"); /* verw clear buf */
+ ftcprint (features1, 18, "pconfig"); /* platform config */
+ ftcprint (features1, 28, "flush_l1d"); /* flush l1d cache */
+ ftcprint (features1, 29, "arch_capabilities"); /* arch cap MSR */
+ }
+
print ("\n");
bufptr += __small_sprintf (bufptr, "bogomips\t: %d.00\n",
@@ -1177,8 +1392,13 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 5, "stc"); /* sw thermal control */
ftcprint (features1, 6, "100mhzsteps"); /* 100 MHz mult control */
ftcprint (features1, 7, "hwpstate"); /* hw P state control */
+ ftcprint (features1, 8, "invariant_tsc"); /* TSC invariant */
ftcprint (features1, 9, "cpb"); /* core performance boost */
ftcprint (features1, 10, "eff_freq_ro"); /* ro eff freq interface */
+ ftcprint (features1, 11, "proc_feedback"); /* proc feedback if */
+ ftcprint (features1, 12, "acc_power"); /* core power reporting */
+ ftcprint (features1, 13, "connstby"); /* connected standby */
+ ftcprint (features1, 14, "rapl"); /* running average power limit */
}
if (orig_affinity_mask != 0)
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