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.
This commit is contained in:
Brian Inglis 2020-12-17 00:11:28 -07:00 committed by Corinna Vinschen
parent 865cd30dcc
commit 1dd3f69db5
1 changed files with 2 additions and 0 deletions

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@ -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 */