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* [newlib-cygwin] fhandler_proc.cc(format_proc_cpuinfo): add Linux Superb Owl cpuinfo flags
@ 2022-04-01 12:54 Corinna Vinschen
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From: Corinna Vinschen @ 2022-04-01 12:54 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=3e3ccfaee6b3c36944e445d68543e8be4654c535
commit 3e3ccfaee6b3c36944e445d68543e8be4654c535
Author: Brian Inglis <Brian.Inglis@SystematicSW.ab.ca>
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 */
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2022-04-01 12:54 [newlib-cygwin] fhandler_proc.cc(format_proc_cpuinfo): add Linux Superb Owl cpuinfo flags Corinna Vinschen
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