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-rw-r--r--target/ppc/cpu-models.c4
-rw-r--r--target/ppc/cpu-models.h1
-rw-r--r--target/ppc/cpu_init.c21
3 files changed, 23 insertions, 3 deletions
diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
index 912b037c63..7dbb47de64 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -732,6 +732,8 @@
                 "POWER9 v1.0")
     POWERPC_DEF("power9_v2.0",   CPU_POWERPC_POWER9_DD20,            POWER9,
                 "POWER9 v2.0")
+    POWERPC_DEF("power9_v2.2",   CPU_POWERPC_POWER9_DD22,            POWER9,
+                "POWER9 v2.2")
     POWERPC_DEF("power10_v1.0",  CPU_POWERPC_POWER10_DD1,            POWER10,
                 "POWER10 v1.0")
     POWERPC_DEF("power10_v2.0",  CPU_POWERPC_POWER10_DD20,           POWER10,
@@ -907,7 +909,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "power8e", "power8e_v2.1" },
     { "power8", "power8_v2.0" },
     { "power8nvl", "power8nvl_v1.0" },
-    { "power9", "power9_v2.0" },
+    { "power9", "power9_v2.2" },
     { "power10", "power10_v2.0" },
 #endif
 
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index a77e036b3a..572b5e553a 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -350,6 +350,7 @@ enum {
     CPU_POWERPC_POWER9_BASE        = 0x004E0000,
     CPU_POWERPC_POWER9_DD1         = 0x004E1100,
     CPU_POWERPC_POWER9_DD20        = 0x004E1200,
+    CPU_POWERPC_POWER9_DD22        = 0x004E1202,
     CPU_POWERPC_POWER10_BASE       = 0x00800000,
     CPU_POWERPC_POWER10_DD1        = 0x00801100,
     CPU_POWERPC_POWER10_DD20       = 0x00801200,
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 5aa0b3f0f1..05bf73296b 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -6284,9 +6284,26 @@ static bool ppc_pvr_match_power9(PowerPCCPUClass *pcc, uint32_t pvr, bool best)
         return false;
     }
 
-    if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00)) {
-        /* Major DD version matches to power9_v1.0 and power9_v2.0 */
+    if ((pvr & 0x0f00) != (pcc->pvr & 0x0f00)) {
+        /* Major DD version does not match */
+        return false;
+    }
+
+    if ((pvr & 0x0f00) == 0x100) {
+        /* DD1.x always matches power9_v1.0 */
         return true;
+    } else if ((pvr & 0x0f00) == 0x200) {
+        if ((pvr & 0xf) < 2) {
+            /* DD2.0, DD2.1 match power9_v2.0 */
+            if ((pcc->pvr & 0xf) == 0) {
+                return true;
+            }
+        } else {
+            /* DD2.2, DD2.3 match power9_v2.2 */
+            if ((pcc->pvr & 0xf) == 2) {
+                return true;
+            }
+        }
     }
 
     return false;