[PATCH 3/4] target/i386: Add EPYC-Genoa-v4 Model

[Ben Cheatham <Benjamin.Cheatham@amd.com>]

Add a new version of the EPYC-Genoa model with the verw-clear feature
set. This feature is used to mitigate the TSA L1, SQ, and FILL
variants.

Signed-off-by: Ben Cheatham <Benjamin.Cheatham@amd.com>
---
 target/i386/cpu.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 85745d5f907c..f80dd98d3ebd 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -7075,6 +7075,16 @@ static const X86CPUDefinition builtin_x86_defs[] = {
                 },
                 .cache_info = &epyc_genoa_v2_cache_info
             },
+            {
+                .version = 4,
+                .props = (PropValue[]) {
+                    { "verw-clear", "on" },
+                    { "model-id",
+                      "AMD EPYC-Genoa-v4 Processor" },
+                    { /* end of list */ }
+                },
+                .cache_info = &epyc_genoa_v2_cache_info
+            },
             { /* end of list */ }
         }
     },
-- 
2.53.0