Add CPU target code to add support for new Power11 Processor.

Power11 core is same as Power10, hence reuse functions defined for
Power10.

Cc: Cédric Le Goater <clg@kaod.org>
Cc: Daniel Henrique Barboza <danielhb413@gmail.com>
Cc: Frédéric Barrat <fbarrat@linux.ibm.com>
Cc: Harsh Prateek Bora <harshpb@linux.ibm.com>
Cc: Mahesh J Salgaonkar <mahesh@linux.ibm.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
---
 target/ppc/compat.c     |  7 ++++++
 target/ppc/cpu-models.c |  3 +++
 target/ppc/cpu-models.h |  3 +++
 target/ppc/cpu_init.c   | 54 +++++++++++++++++++++++++++++++++++++++++
 4 files changed, 67 insertions(+)

diff --git a/target/ppc/compat.c b/target/ppc/compat.c
index ebef2cccecf3..12dd8ae290ca 100644
--- a/target/ppc/compat.c
+++ b/target/ppc/compat.c
@@ -100,6 +100,13 @@ static const CompatInfo compat_table[] = {
         .pcr_level = PCR_COMPAT_3_10,
         .max_vthreads = 8,
     },
+    { /* POWER11, ISA3.10 */
+        .name = "power11",
+        .pvr = CPU_POWERPC_LOGICAL_3_10_PLUS,
+        .pcr = PCR_COMPAT_3_10,
+        .pcr_level = PCR_COMPAT_3_10,
+        .max_vthreads = 8,
+    },
 };
 
 static const CompatInfo *compat_by_pvr(uint32_t pvr)
diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c
index f2301b43f78b..ece348178188 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -734,6 +734,8 @@
                 "POWER9 v2.2")
     POWERPC_DEF("power10_v2.0",  CPU_POWERPC_POWER10_DD20,           POWER10,
                 "POWER10 v2.0")
+    POWERPC_DEF("power11_v2.0",  CPU_POWERPC_POWER11_DD20,           POWER11,
+                "POWER11_v2.0")
 #endif /* defined (TARGET_PPC64) */
 
 /***************************************************************************/
@@ -909,6 +911,7 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {
     { "power8nvl", "power8nvl_v1.0" },
     { "power9", "power9_v2.2" },
     { "power10", "power10_v2.0" },
+    { "power11", "power11_v2.0" },
 #endif
 
     /* Generic PowerPCs */
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index 0229ef3a9a5c..ef74e387b047 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -354,6 +354,8 @@ enum {
     CPU_POWERPC_POWER10_BASE       = 0x00800000,
     CPU_POWERPC_POWER10_DD1        = 0x00801100,
     CPU_POWERPC_POWER10_DD20       = 0x00801200,
+    CPU_POWERPC_POWER11_BASE       = 0x00820000,
+    CPU_POWERPC_POWER11_DD20       = 0x00821200,
     CPU_POWERPC_970_v22            = 0x00390202,
     CPU_POWERPC_970FX_v10          = 0x00391100,
     CPU_POWERPC_970FX_v20          = 0x003C0200,
@@ -391,6 +393,7 @@ enum {
     CPU_POWERPC_LOGICAL_2_07       = 0x0F000004,
     CPU_POWERPC_LOGICAL_3_00       = 0x0F000005,
     CPU_POWERPC_LOGICAL_3_10       = 0x0F000006,
+    CPU_POWERPC_LOGICAL_3_10_PLUS  = 0x0F000007,
 };
 
 /* System version register (used on MPC 8xxx)                                */
diff --git a/target/ppc/cpu_init.c b/target/ppc/cpu_init.c
index 3d8a112935ae..9aa098935d05 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -6669,6 +6669,60 @@ POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
     pcc->l1_icache_size = 0x8000;
 }
 
+static bool ppc_pvr_match_power11(PowerPCCPUClass *pcc, uint32_t pvr, bool best)
+{
+    uint32_t base = pvr & CPU_POWERPC_POWER_SERVER_MASK;
+    uint32_t pcc_base = pcc->pvr & CPU_POWERPC_POWER_SERVER_MASK;
+
+    if (!best && (base == CPU_POWERPC_POWER11_BASE)) {
+        return true;
+    }
+
+    if (base != pcc_base) {
+        return false;
+    }
+
+    if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00)) {
+        return true;
+    }
+
+    return false;
+}
+
+POWERPC_FAMILY(POWER11)(ObjectClass *oc, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(oc);
+    PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
+
+    dc->fw_name = "PowerPC,POWER11";
+    dc->desc = "POWER11";
+    pcc->pvr_match = ppc_pvr_match_power11;
+    pcc->pcr_mask = POWERPC_POWER10_PCC_PCR_MASK;
+    pcc->pcr_supported = POWERPC_POWER10_PCC_PCR_SUPPORTED;
+    pcc->init_proc = init_proc_POWER10;
+    pcc->check_pow = check_pow_nocheck;
+    pcc->check_attn = check_attn_hid0_power9;
+    pcc->insns_flags = POWERPC_FAMILY_POWER9_INSNS_FLAGS; /* same as P9 */
+    pcc->insns_flags2 = POWERPC_FAMILY_POWER10_INSNS_FLAGS2;
+    pcc->msr_mask = POWERPC_POWER10_PCC_MSR_MASK;
+    pcc->lpcr_mask = POWERPC_POWER10_PCC_LPCR_MASK;
+
+    pcc->lpcr_pm = LPCR_PDEE | LPCR_HDEE | LPCR_EEE | LPCR_DEE | LPCR_OEE;
+    pcc->mmu_model = POWERPC_MMU_3_00;
+#if !defined(CONFIG_USER_ONLY)
+    /* segment page size remain the same */
+    pcc->hash64_opts = &ppc_hash64_opts_POWER7;
+    pcc->radix_page_info = &POWER10_radix_page_info;
+    pcc->lrg_decr_bits = 56;
+#endif
+    pcc->excp_model = POWERPC_EXCP_POWER10;
+    pcc->bus_model = PPC_FLAGS_INPUT_POWER9;
+    pcc->bfd_mach = bfd_mach_ppc64;
+    pcc->flags = POWERPC_POWER10_PCC_FLAGS;
+    pcc->l1_dcache_size = 0x8000;
+    pcc->l1_icache_size = 0x8000;
+}
+
 #if !defined(CONFIG_USER_ONLY)
 void cpu_ppc_set_vhyp(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
 {
-- 
2.45.1