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newlib-cygwin
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fhandler_proc.cc(format_proc_cpuinfo): add Linux Superb Owl cpuinfo flags 

0x00000007:1 EBX:0  intel_ppin	Intel Protected Processor Inventory Number
0x00000006:0 EAX:19 hfi		Hardware Feedback Interface
0x00000007:0 EDX:20 ibt		Intel Indirect Branch Tracking
This commit is contained in:
Brian Inglis 2022-03-23 22:57:58 -06:00 committed by Corinna Vinschen
parent 3c722c8022
commit 3e3ccfaee6
1 changed files with 9 additions and 2 deletions
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11
winsup/cygwin/fhandler_proc.cc
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@ -1303,6 +1303,13 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 3, "epb"); /* energy perf bias */
}
/* cpuid 0x00000007:1 ebx */
if (maxf >= 0x00000007)
{
cpuid (&unused, &features1, &unused, &unused, 0x00000007, 1);
ftcprint (features1, 0, "intel_ppin"); /* Prot Proc Id No */
}
/* cpuid 0x00000010 ebx */
if (maxf >= 0x00000010)
{
@ -1330,8 +1337,6 @@ format_proc_cpuinfo (void *, char *&destbuf)
/* ftcprint (features1, 11, "pti");*//* Page Table Isolation reqd with Meltdown */
/* ftcprint (features1, 14, "intel_ppin");*//* MSR_PPIN_CTL Prot Proc Id No */
/* cpuid 0x00000010:2 ecx */
if (maxf >= 0x00000010)
{
@ -1497,6 +1502,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
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 */
ftcprint (features1, 19, "hfi"); /* Hardware Feedback Interface */
}
/* AMD SVM cpuid 0x8000000a edx */
@ -1573,6 +1579,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 16, "tsxldtrk"); /* TSX Susp Ld Addr Track */
ftcprint (features1, 18, "pconfig"); /* platform config */
ftcprint (features1, 19, "arch_lbr"); /* last branch records */
ftcprint (features1, 20, "ibt"); /* Indirect Branch Tracking */
ftcprint (features1, 22, "amx_bf16"); /* Advanced Matrix eXtensions Brain Float 16 dot product */
ftcprint (features1, 23, "avx512_fp16"); /* avx512 fp16 */
ftcprint (features1, 24, "amx_tile"); /* Advanced Matrix eXtensions Tile matrix multiply */