[PATCH] fhandler_proc.cc(format_proc_cpuinfo): add tsxldtrk, sev_es flags

[Brian Inglis]

Add linux-next cpuinfo flags for Intel TSX suspend load address tracking
instructions and AMD Secure Encrypted Virtualization with Encrypted State
---
 winsup/cygwin/fhandler_proc.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 196bafd18993..6f6e8291a0ca 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1376,6 +1376,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
          cpuid (&features2, &unused, &unused, &unused, 0x8000001f);
 
          ftcprint (features2,  1, "sev");      /* secure encrypted virt */
+       /*ftcprint (features2,  3, "sev_es"); - print below */
        }
       /* cpuid 0x80000008 ebx */
       if (maxe >= 0x80000008)
@@ -1400,6 +1401,12 @@ format_proc_cpuinfo (void *, char *&destbuf)
 /*       ftcprint (features1, 26, "ssb_no");   *//* ssb fixed in hardware */
         }
 
+      /* cpuid 0x8000001f eax - set above */
+      if (maxe >= 0x8000001f)
+       {
+         ftcprint (features2,  3, "sev_es");   /* AMD SEV encrypted state */
+       }
+
       /* cpuid 0x00000007 ebx */
       if (maxf >= 0x00000007)
        {
@@ -1579,6 +1586,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
           ftcprint (features1,  8, "avx512_vp2intersect"); /* vec intcpt d/q */
           ftcprint (features1, 10, "md_clear");            /* verw clear buf */
           ftcprint (features1, 14, "serialize");           /* SERIALIZE 
instruction */
+          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, 28, "flush_l1d");          /* flush l1d cache */
-- 
2.28.0