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cpu: Add Skylake-Server-IBRS CPU model

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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@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Jiri Denemark 2018-01-09 21:47:29 +01:00
parent b2042020c3
commit 24d504396c
4 changed files with 79 additions and 6 deletions
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76
src/cpu/cpu_map.xml
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@ -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'/>

3
tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-guest.xml
View File

@ -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'/>

3
tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-host.xml
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@ -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'/>

3
tests/cputestdata/x86_64-cpuid-Xeon-Gold-5115-json.xml
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@ -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>