https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3e3ccfaee6b3c36944e445d68543e8be4654c535
commit 3e3ccfaee6b3c36944e445d68543e8be4654c535 Author: Brian Inglis <[email protected]> Date: Wed Mar 23 22:57:58 2022 -0600 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 Diff: --- winsup/cygwin/fhandler_proc.cc | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc index 0b01e68f8..9ba241981 100644 --- a/winsup/cygwin/fhandler_proc.cc +++ b/winsup/cygwin/fhandler_proc.cc @@ -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 */
