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authorBrian Inglis <Brian.Inglis@SystematicSW.ab.ca>2020-12-17 00:11:28 -0700
committerCorinna Vinschen <corinna@vinschen.de>2020-12-17 16:03:50 +0100
commit1dd3f69db55056da2cac64edd227d52f9542483a (patch)
tree4b7cd060704a6cd1ff678db3e8fdfc81732e3f1a
parent865cd30dcc2f00c81c8b3624a9f3464138cd24a5 (diff)
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fhandler_proc.cc(format_proc_cpuinfo): report Intel SGX bits
Update to Linux next 5.10 cpuinfo flags for Intel SDM 36.7.1 Software Guard Extensions, and 38.1.4 SGX Launch Control Configuration. Launch control restricts what software can run with enclave protections, which helps protect the system from bad enclaves.
-rw-r--r--winsup/cygwin/fhandler_proc.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/winsup/cygwin/fhandler_proc.cc b/winsup/cygwin/fhandler_proc.cc
index 13397150f..8e23c0609 100644
--- a/winsup/cygwin/fhandler_proc.cc
+++ b/winsup/cygwin/fhandler_proc.cc
@@ -1414,6 +1414,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 0, "fsgsbase"); /* rd/wr fs/gs base */
ftcprint (features1, 1, "tsc_adjust"); /* TSC adjustment MSR 0x3B */
+ ftcprint (features1, 2, "sgx"); /* software guard extensions */
ftcprint (features1, 3, "bmi1"); /* bit manip ext group 1 */
ftcprint (features1, 4, "hle"); /* hardware lock elision */
ftcprint (features1, 5, "avx2"); /* AVX ext instructions */
@@ -1564,6 +1565,7 @@ format_proc_cpuinfo (void *, char *&destbuf)
ftcprint (features1, 27, "movdiri"); /* movdiri instr */
ftcprint (features1, 28, "movdir64b"); /* movdir64b instr */
ftcprint (features1, 29, "enqcmd"); /* enqcmd/s instructions*/
+ ftcprint (features1, 30, "sgx_lc"); /* sgx launch control */
}
/* AMD MCA cpuid 0x80000007 ebx */