diff mbox series

[1/2] ppc: pseries: add P11 cpu type

Message ID 20240401055503.1880587-2-adityag@linux.ibm.com
State New
Headers show
Series P11 support for QEMU | expand

Commit Message

Aditya Gupta April 1, 2024, 5:55 a.m. UTC
Base support for "--cpu power11" in QEMU

Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
---
 docs/system/ppc/pseries.rst |   6 +-
 hw/ppc/spapr_cpu_core.c     |   1 +
 target/ppc/compat.c         |   7 ++
 target/ppc/cpu-models.c     |   2 +
 target/ppc/cpu-models.h     |   2 +
 target/ppc/cpu_init.c       | 162 ++++++++++++++++++++++++++++++++++++
 6 files changed, 177 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/docs/system/ppc/pseries.rst b/docs/system/ppc/pseries.rst
index a876d897b6e4..3277564b34c2 100644
--- a/docs/system/ppc/pseries.rst
+++ b/docs/system/ppc/pseries.rst
@@ -15,9 +15,9 @@  Supported devices
 =================
 
  * Multi processor support for many Power processors generations: POWER7,
-   POWER7+, POWER8, POWER8NVL, POWER9, and Power10. Support for POWER5+ exists,
-   but its state is unknown.
- * Interrupt Controller, XICS (POWER8) and XIVE (POWER9 and Power10)
+   POWER7+, POWER8, POWER8NVL, POWER9, Power10 and Power11. Support for POWER5+
+   exists, but its state is unknown.
+ * Interrupt Controller, XICS (POWER8) and XIVE (POWER9, Power10, Power11)
  * vPHB PCIe Host bridge.
  * vscsi and vnet devices, compatible with the same devices available on a
    PowerVM hypervisor with VIOS managing LPARs.
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 5aa1ed474ad6..96a389264b71 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -400,6 +400,7 @@  static const TypeInfo spapr_cpu_core_type_infos[] = {
     DEFINE_SPAPR_CPU_CORE_TYPE("power9_v2.2"),
     DEFINE_SPAPR_CPU_CORE_TYPE("power10_v1.0"),
     DEFINE_SPAPR_CPU_CORE_TYPE("power10_v2.0"),
+    DEFINE_SPAPR_CPU_CORE_TYPE("power11"),
 #ifdef CONFIG_KVM
     DEFINE_SPAPR_CPU_CORE_TYPE("host"),
 #endif
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 7dbb47de6456..f97c4dadb6fd 100644
--- a/target/ppc/cpu-models.c
+++ b/target/ppc/cpu-models.c
@@ -738,6 +738,8 @@ 
                 "POWER10 v1.0")
     POWERPC_DEF("power10_v2.0",  CPU_POWERPC_POWER10_DD20,           POWER10,
                 "POWER10 v2.0")
+    POWERPC_DEF("power11",  CPU_POWERPC_POWER11,           POWER11,
+                "POWER11")
 #endif /* defined (TARGET_PPC64) */
 
 /***************************************************************************/
diff --git a/target/ppc/cpu-models.h b/target/ppc/cpu-models.h
index 0229ef3a9a5c..a1b540c3aa9e 100644
--- a/target/ppc/cpu-models.h
+++ b/target/ppc/cpu-models.h
@@ -354,6 +354,7 @@  enum {
     CPU_POWERPC_POWER10_BASE       = 0x00800000,
     CPU_POWERPC_POWER10_DD1        = 0x00801100,
     CPU_POWERPC_POWER10_DD20       = 0x00801200,
+    CPU_POWERPC_POWER11            = 0x00821200,
     CPU_POWERPC_970_v22            = 0x00390202,
     CPU_POWERPC_970FX_v10          = 0x00391100,
     CPU_POWERPC_970FX_v20          = 0x003C0200,
@@ -391,6 +392,7 @@  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 344196a8ce3d..aec4a6599af2 100644
--- a/target/ppc/cpu_init.c
+++ b/target/ppc/cpu_init.c
@@ -2087,6 +2087,11 @@  static void init_excp_POWER10(CPUPPCState *env)
     init_excp_POWER9(env);
 }
 
+static void init_excp_POWER11(CPUPPCState *env)
+{
+    init_excp_POWER9(env);
+}
+
 #endif
 
 static int check_pow_hid0(CPUPPCState *env)
@@ -6625,6 +6630,163 @@  POWERPC_FAMILY(POWER10)(ObjectClass *oc, void *data)
     pcc->l1_icache_size = 0x8000;
 }
 
+static void init_proc_POWER11(CPUPPCState *env)
+{
+    /* Common Registers */
+    init_proc_book3s_common(env);
+    register_book3s_207_dbg_sprs(env);
+
+    /* Common TCG PMU */
+    init_tcg_pmu_power8(env);
+
+    /* POWER8 Specific Registers */
+    register_book3s_ids_sprs(env);
+    register_amr_sprs(env);
+    register_iamr_sprs(env);
+    register_book3s_purr_sprs(env);
+    register_power5p_common_sprs(env);
+    register_power5p_lpar_sprs(env);
+    register_power5p_ear_sprs(env);
+    register_power5p_tb_sprs(env);
+    register_power6_common_sprs(env);
+    register_HEIR64_spr(env);
+    register_power6_dbg_sprs(env);
+    register_power8_tce_address_control_sprs(env);
+    register_power8_ids_sprs(env);
+    register_power8_ebb_sprs(env);
+    register_power8_fscr_sprs(env);
+    register_power8_pmu_sup_sprs(env);
+    register_power8_pmu_user_sprs(env);
+    register_power8_tm_sprs(env);
+    register_power8_pspb_sprs(env);
+    register_power8_dpdes_sprs(env);
+    register_vtb_sprs(env);
+    register_power8_ic_sprs(env);
+    register_power9_book4_sprs(env);
+    register_power8_rpr_sprs(env);
+    register_power9_mmu_sprs(env);
+    register_power10_hash_sprs(env);
+    register_power10_dexcr_sprs(env);
+
+    /* FIXME: Filter fields properly based on privilege level */
+    spr_register_kvm_hv(env, SPR_PSSCR, "PSSCR", NULL, NULL, NULL, NULL,
+                        spr_read_generic, spr_write_generic,
+                        KVM_REG_PPC_PSSCR, 0);
+
+    /* env variables */
+    env->dcache_line_size = 128;
+    env->icache_line_size = 128;
+
+    /* Allocate hardware IRQ controller */
+    init_excp_POWER11(env);
+    ppcPOWER9_irq_init(env_archcpu(env));
+}
+
+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) {
+        if (base == CPU_POWERPC_POWER11) {
+            return true;
+        }
+    }
+
+    if (base != pcc_base) {
+        return false;
+    }
+
+    if ((pvr & 0x0f00) == (pcc->pvr & 0x0f00)) {
+        /* FIXME COMMENT: Major DD version matches to power10_v1.0 and power10_v2.0 */
+        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 = PCR_COMPAT_2_05 | PCR_COMPAT_2_06 | PCR_COMPAT_2_07 |
+                    PCR_COMPAT_3_00 | PCR_COMPAT_3_10;
+    pcc->pcr_supported = PCR_COMPAT_3_10 | PCR_COMPAT_3_00 | PCR_COMPAT_2_07 |
+                         PCR_COMPAT_2_06 | PCR_COMPAT_2_05;
+    pcc->init_proc = init_proc_POWER11;
+    pcc->check_pow = check_pow_nocheck;
+    pcc->insns_flags = PPC_INSNS_BASE | PPC_ISEL | PPC_STRING | PPC_MFTB |
+                       PPC_FLOAT | PPC_FLOAT_FSEL | PPC_FLOAT_FRES |
+                       PPC_FLOAT_FSQRT | PPC_FLOAT_FRSQRTE |
+                       PPC_FLOAT_FRSQRTES |
+                       PPC_FLOAT_STFIWX |
+                       PPC_FLOAT_EXT |
+                       PPC_CACHE | PPC_CACHE_ICBI | PPC_CACHE_DCBZ |
+                       PPC_MEM_SYNC | PPC_MEM_EIEIO |
+                       PPC_MEM_TLBIE | PPC_MEM_TLBSYNC |
+                       PPC_64B | PPC_64H | PPC_64BX | PPC_ALTIVEC |
+                       PPC_SEGMENT_64B | PPC_SLBI |
+                       PPC_POPCNTB | PPC_POPCNTWD |
+                       PPC_CILDST;
+    pcc->insns_flags2 = PPC2_VSX | PPC2_VSX207 | PPC2_DFP | PPC2_DBRX |
+                        PPC2_PERM_ISA206 | PPC2_DIVE_ISA206 |
+                        PPC2_ATOMIC_ISA206 | PPC2_FP_CVT_ISA206 |
+                        PPC2_FP_TST_ISA206 | PPC2_BCTAR_ISA207 |
+                        PPC2_LSQ_ISA207 | PPC2_ALTIVEC_207 |
+                        PPC2_ISA205 | PPC2_ISA207S | PPC2_FP_CVT_S64 |
+                        PPC2_TM | PPC2_ISA300 | PPC2_PRCNTL | PPC2_ISA310 |
+                        PPC2_MEM_LWSYNC | PPC2_BCDA_ISA206;
+    pcc->msr_mask = (1ull << MSR_SF) |
+                    (1ull << MSR_HV) |
+                    (1ull << MSR_TM) |
+                    (1ull << MSR_VR) |
+                    (1ull << MSR_VSX) |
+                    (1ull << MSR_EE) |
+                    (1ull << MSR_PR) |
+                    (1ull << MSR_FP) |
+                    (1ull << MSR_ME) |
+                    (1ull << MSR_FE0) |
+                    (1ull << MSR_SE) |
+                    (1ull << MSR_DE) |
+                    (1ull << MSR_FE1) |
+                    (1ull << MSR_IR) |
+                    (1ull << MSR_DR) |
+                    (1ull << MSR_PMM) |
+                    (1ull << MSR_RI) |
+                    (1ull << MSR_LE);
+    pcc->lpcr_mask = LPCR_VPM1 | LPCR_ISL | LPCR_KBV | LPCR_DPFD |
+        (LPCR_PECE_U_MASK & LPCR_HVEE) | LPCR_ILE | LPCR_AIL |
+        LPCR_UPRT | LPCR_EVIRT | LPCR_ONL | LPCR_HR | LPCR_LD |
+        (LPCR_PECE_L_MASK & (LPCR_PDEE | LPCR_HDEE | LPCR_EEE |
+                             LPCR_DEE | LPCR_OEE))
+        | LPCR_MER | LPCR_GTSE | LPCR_TC |
+        LPCR_HEIC | LPCR_LPES0 | LPCR_HVICE | LPCR_HDICE;
+    /* DD2 adds an extra HAIL bit */
+    pcc->lpcr_mask |= LPCR_HAIL;
+
+    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_FLAG_VRE | POWERPC_FLAG_SE |
+                 POWERPC_FLAG_BE | POWERPC_FLAG_PMM |
+                 POWERPC_FLAG_BUS_CLK | POWERPC_FLAG_CFAR |
+                 POWERPC_FLAG_VSX | POWERPC_FLAG_TM | POWERPC_FLAG_SCV;
+    pcc->l1_dcache_size = 0x8000;
+    pcc->l1_icache_size = 0x8000;
+}
+
 #if !defined(CONFIG_USER_ONLY)
 void cpu_ppc_set_vhyp(PowerPCCPU *cpu, PPCVirtualHypervisor *vhyp)
 {