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| author | Babu Moger <babu.moger@amd.com> | 2021-03-03 09:45:30 -0600 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2021-04-09 16:02:18 -0400 |
| commit | cdeaed27782835a875df7365d56d69dbe7250481 (patch) | |
| tree | 0a907d98f3a319b6708a0ea10b69b0e6079f6660 | |
| parent | 471387aa1446e2583f372f79327cc0a8c802b4b4 (diff) | |
| download | qemu-cdeaed27782835a875df7365d56d69dbe7250481.zip qemu-cdeaed27782835a875df7365d56d69dbe7250481.tar.gz qemu-cdeaed27782835a875df7365d56d69dbe7250481.tar.bz2 | |
i386: Add missing cpu feature bits in EPYC-Rome model
Found the following cpu feature bits missing from EPYC-Rome model.
ibrs : Indirect Branch Restricted Speculation
ssbd : Speculative Store Bypass Disable
These new features will be added in EPYC-Rome-v2. The -cpu help output
after the change.
x86 EPYC-Rome (alias configured by machine type)
x86 EPYC-Rome-v1 AMD EPYC-Rome Processor
x86 EPYC-Rome-v2 AMD EPYC-Rome Processor
Reported-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Pankaj Gupta <pankaj.gupta@cloud.ionos.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: David Edmondson <david.edmondson@oracle.com>
Message-Id: <161478622280.16275.6399866734509127420.stgit@bmoger-ubuntu>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
| -rw-r--r-- | target/i386/cpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6b3e946..ad99cad 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4179,6 +4179,18 @@ static X86CPUDefinition builtin_x86_defs[] = { .xlevel = 0x8000001E, .model_id = "AMD EPYC-Rome Processor", .cache_info = &epyc_rome_cache_info, + .versions = (X86CPUVersionDefinition[]) { + { .version = 1 }, + { + .version = 2, + .props = (PropValue[]) { + { "ibrs", "on" }, + { "amd-ssbd", "on" }, + { /* end of list */ } + } + }, + { /* end of list */ } + } }, { .name = "EPYC-Milan", |