This is a variant of Skylake-Server with indirect branch prediction
protection. The only difference between Skylake-Server and
Skylake-Server-IBRS is the added "spec-ctrl" feature.
Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx>
---
src/cpu/cpu_map.xml | 76 ++++++++++++++++++++++
.../x86_64-cpuid-Xeon-Gold-5115-guest.xml | 3 +-
.../x86_64-cpuid-Xeon-Gold-5115-host.xml | 3 +-
.../x86_64-cpuid-Xeon-Gold-5115-json.xml | 3 +-
4 files changed, 79 insertions(+), 6 deletions(-)
diff --git a/src/cpu/cpu_map.xml b/src/cpu/cpu_map.xml
index ccc01ba0b0..25289d94ed 100644
--- a/src/cpu/cpu_map.xml
+++ b/src/cpu/cpu_map.xml
@@ -1837,6 +1837,82 @@
<feature name='xsaveopt'/>
</model>
+ <model name='Skylake-Server-IBRS'>
+ <signature family='6' model='85'/>
+ <vendor name='Intel'/>
+ <feature name='3dnowprefetch'/>
+ <feature name='abm'/>
+ <feature name='adx'/>
+ <feature name='aes'/>
+ <feature name='apic'/>
+ <feature name='arat'/>
+ <feature name='avx'/>
+ <feature name='avx2'/>
+ <feature name='avx512bw'/>
+ <feature name='avx512cd'/>
+ <feature name='avx512dq'/>
+ <feature name='avx512f'/>
+ <feature name='avx512vl'/>
+ <feature name='bmi1'/>
+ <feature name='bmi2'/>
+ <feature name='clflush'/>
+ <feature name='clwb'/>
+ <feature name='cmov'/>
+ <feature name='cx16'/>
+ <feature name='cx8'/>
+ <feature name='de'/>
+ <feature name='erms'/>
+ <feature name='f16c'/>
+ <feature name='fma'/>
+ <feature name='fpu'/>
+ <feature name='fsgsbase'/>
+ <feature name='fxsr'/>
+ <feature name='hle'/>
+ <feature name='invpcid'/>
+ <feature name='lahf_lm'/>
+ <feature name='lm'/>
+ <feature name='mca'/>
+ <feature name='mce'/>
+ <feature name='mmx'/>
+ <feature name='movbe'/>
+ <feature name='mpx'/>
+ <feature name='msr'/>
+ <feature name='mtrr'/>
+ <feature name='nx'/>
+ <feature name='pae'/>
+ <feature name='pat'/>
+ <feature name='pcid'/>
+ <feature name='pclmuldq'/>
+ <feature name='pdpe1gb'/>
+ <feature name='pge'/>
+ <feature name='pni'/>
+ <feature name='popcnt'/>
+ <feature name='pse'/>
+ <feature name='pse36'/>
+ <feature name='rdrand'/>
+ <feature name='rdseed'/>
+ <feature name='rdtscp'/>
+ <feature name='rtm'/>
+ <feature name='sep'/>
+ <feature name='smap'/>
+ <feature name='smep'/>
+ <feature name='spec-ctrl'/>
+ <feature name='sse'/>
+ <feature name='sse2'/>
+ <feature name='sse4.1'/>
+ <feature name='sse4.2'/>
+ <feature name='ssse3'/>
+ <feature name='syscall'/>
+ <feature name='tsc'/>
+ <feature name='tsc-deadline'/>
+ <feature name='vme'/>
+ <feature name='x2apic'/>
+ <feature name='xgetbv1'/>
+ <feature name='xsave'/>
+ <feature name='xsavec'/>
+ <feature name='xsaveopt'/>
+ </model>
+
<!-- AMD CPUs -->
<model name='athlon'>
<vendor name='AMD'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-guest.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-guest.xml
index 5a7f3beee8..5f51dea631 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-guest.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-guest.xml
@@ -1,5 +1,5 @@
<cpu mode='custom' match='exact'>
- <model fallback='forbid'>Skylake-Server</model>
+ <model fallback='forbid'>Skylake-Server-IBRS</model>
<vendor>Intel</vendor>
<feature policy='require' name='ds'/>
<feature policy='require' name='acpi'/>
@@ -22,7 +22,6 @@
<feature policy='require' name='cmt'/>
<feature policy='require' name='clflushopt'/>
<feature policy='require' name='pku'/>
- <feature policy='require' name='spec-ctrl'/>
<feature policy='require' name='xsaves'/>
<feature policy='require' name='mbm_total'/>
<feature policy='require' name='mbm_local'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-host.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-host.xml
index 15f2fa72d5..a11b31369d 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-host.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-host.xml
@@ -1,6 +1,6 @@
<cpu>
<arch>x86_64</arch>
- <model>Skylake-Server</model>
+ <model>Skylake-Server-IBRS</model>
<vendor>Intel</vendor>
<feature name='ds'/>
<feature name='acpi'/>
@@ -23,7 +23,6 @@
<feature name='cmt'/>
<feature name='clflushopt'/>
<feature name='pku'/>
- <feature name='spec-ctrl'/>
<feature name='xsaves'/>
<feature name='mbm_total'/>
<feature name='mbm_local'/>
diff --git a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-json.xml b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-json.xml
index 866528c957..7c7e95ce0d 100644
--- a/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-json.xml
+++ b/tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-json.xml
@@ -1,9 +1,8 @@
<cpu mode='custom' match='exact'>
- <model fallback='forbid'>Skylake-Server</model>
+ <model fallback='forbid'>Skylake-Server-IBRS</model>
<vendor>Intel</vendor>
<feature policy='require' name='ss'/>
<feature policy='require' name='hypervisor'/>
<feature policy='require' name='tsc_adjust'/>
<feature policy='require' name='clflushopt'/>
- <feature policy='require' name='spec-ctrl'/>
</cpu>
--
2.15.1
--
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