10d75590dSPeter Maydell #include "qemu/osdep.h" 2da34e65cSMarkus Armbruster #include "qapi/error.h" 3b3946626SVincent Palatin #include "sysemu/hw_accel.h" 49f64bd8aSPaolo Bonzini #include "sysemu/sysemu.h" 503dd024fSPaolo Bonzini #include "qemu/log.h" 60b0b8310SDavid Gibson #include "qemu/error-report.h" 79f64bd8aSPaolo Bonzini #include "cpu.h" 863c91552SPaolo Bonzini #include "exec/exec-all.h" 99f64bd8aSPaolo Bonzini #include "helper_regs.h" 100d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 11d5aea6f3SDavid Gibson #include "mmu-hash64.h" 123794d548SAlexey Kardashevskiy #include "cpu-models.h" 133794d548SAlexey Kardashevskiy #include "trace.h" 143794d548SAlexey Kardashevskiy #include "kvm_ppc.h" 15facdb8b6SMichael Roth #include "hw/ppc/spapr_ovec.h" 16b4db5413SSuraj Jitindar Singh #include "mmu-book3s-v3.h" 179f64bd8aSPaolo Bonzini 18a46622fdSAlexey Kardashevskiy struct SPRSyncState { 19a46622fdSAlexey Kardashevskiy int spr; 20a46622fdSAlexey Kardashevskiy target_ulong value; 21a46622fdSAlexey Kardashevskiy target_ulong mask; 22a46622fdSAlexey Kardashevskiy }; 23a46622fdSAlexey Kardashevskiy 2414e6fe12SPaolo Bonzini static void do_spr_sync(CPUState *cs, run_on_cpu_data arg) 25a46622fdSAlexey Kardashevskiy { 2614e6fe12SPaolo Bonzini struct SPRSyncState *s = arg.host_ptr; 27e0eeb4a2SAlex Bennée PowerPCCPU *cpu = POWERPC_CPU(cs); 28a46622fdSAlexey Kardashevskiy CPUPPCState *env = &cpu->env; 29a46622fdSAlexey Kardashevskiy 30e0eeb4a2SAlex Bennée cpu_synchronize_state(cs); 31a46622fdSAlexey Kardashevskiy env->spr[s->spr] &= ~s->mask; 32a46622fdSAlexey Kardashevskiy env->spr[s->spr] |= s->value; 33a46622fdSAlexey Kardashevskiy } 34a46622fdSAlexey Kardashevskiy 35a46622fdSAlexey Kardashevskiy static void set_spr(CPUState *cs, int spr, target_ulong value, 36a46622fdSAlexey Kardashevskiy target_ulong mask) 37a46622fdSAlexey Kardashevskiy { 38a46622fdSAlexey Kardashevskiy struct SPRSyncState s = { 39a46622fdSAlexey Kardashevskiy .spr = spr, 40a46622fdSAlexey Kardashevskiy .value = value, 41a46622fdSAlexey Kardashevskiy .mask = mask 42a46622fdSAlexey Kardashevskiy }; 4314e6fe12SPaolo Bonzini run_on_cpu(cs, do_spr_sync, RUN_ON_CPU_HOST_PTR(&s)); 44a46622fdSAlexey Kardashevskiy } 45a46622fdSAlexey Kardashevskiy 46af08a58fSThomas Huth static bool has_spr(PowerPCCPU *cpu, int spr) 47af08a58fSThomas Huth { 48af08a58fSThomas Huth /* We can test whether the SPR is defined by checking for a valid name */ 49af08a58fSThomas Huth return cpu->env.spr_cb[spr].name != NULL; 50af08a58fSThomas Huth } 51af08a58fSThomas Huth 52c6404adeSDavid Gibson static inline bool valid_ptex(PowerPCCPU *cpu, target_ulong ptex) 53f3c75d42SAneesh Kumar K.V { 54f3c75d42SAneesh Kumar K.V /* 5536778660SDavid Gibson * hash value/pteg group index is normalized by HPT mask 56f3c75d42SAneesh Kumar K.V */ 5736778660SDavid Gibson if (((ptex & ~7ULL) / HPTES_PER_GROUP) & ~ppc_hash64_hpt_mask(cpu)) { 58f3c75d42SAneesh Kumar K.V return false; 59f3c75d42SAneesh Kumar K.V } 60f3c75d42SAneesh Kumar K.V return true; 61f3c75d42SAneesh Kumar K.V } 62f3c75d42SAneesh Kumar K.V 63ecbc25faSDavid Gibson static bool is_ram_address(sPAPRMachineState *spapr, hwaddr addr) 64ecbc25faSDavid Gibson { 65ecbc25faSDavid Gibson MachineState *machine = MACHINE(spapr); 66ecbc25faSDavid Gibson MemoryHotplugState *hpms = &spapr->hotplug_memory; 67ecbc25faSDavid Gibson 68ecbc25faSDavid Gibson if (addr < machine->ram_size) { 69ecbc25faSDavid Gibson return true; 70ecbc25faSDavid Gibson } 71ecbc25faSDavid Gibson if ((addr >= hpms->base) 72ecbc25faSDavid Gibson && ((addr - hpms->base) < memory_region_size(&hpms->mr))) { 73ecbc25faSDavid Gibson return true; 74ecbc25faSDavid Gibson } 75ecbc25faSDavid Gibson 76ecbc25faSDavid Gibson return false; 77ecbc25faSDavid Gibson } 78ecbc25faSDavid Gibson 7928e02042SDavid Gibson static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr, 809f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 819f64bd8aSPaolo Bonzini { 829f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 83c6404adeSDavid Gibson target_ulong ptex = args[1]; 849f64bd8aSPaolo Bonzini target_ulong pteh = args[2]; 859f64bd8aSPaolo Bonzini target_ulong ptel = args[3]; 861f0252e6SCédric Le Goater unsigned apshift; 879f64bd8aSPaolo Bonzini target_ulong raddr; 88c6404adeSDavid Gibson target_ulong slot; 897222b94aSDavid Gibson const ppc_hash_pte64_t *hptes; 909f64bd8aSPaolo Bonzini 911f0252e6SCédric Le Goater apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel); 921114e712SDavid Gibson if (!apshift) { 931114e712SDavid Gibson /* Bad page size encoding */ 949f64bd8aSPaolo Bonzini return H_PARAMETER; 959f64bd8aSPaolo Bonzini } 969f64bd8aSPaolo Bonzini 971114e712SDavid Gibson raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1); 989f64bd8aSPaolo Bonzini 99ecbc25faSDavid Gibson if (is_ram_address(spapr, raddr)) { 1009f64bd8aSPaolo Bonzini /* Regular RAM - should have WIMG=0010 */ 101d5aea6f3SDavid Gibson if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) { 1029f64bd8aSPaolo Bonzini return H_PARAMETER; 1039f64bd8aSPaolo Bonzini } 1049f64bd8aSPaolo Bonzini } else { 105c1175907SAneesh Kumar K.V target_ulong wimg_flags; 1069f64bd8aSPaolo Bonzini /* Looks like an IO address */ 1079f64bd8aSPaolo Bonzini /* FIXME: What WIMG combinations could be sensible for IO? 1089f64bd8aSPaolo Bonzini * For now we allow WIMG=010x, but are there others? */ 1099f64bd8aSPaolo Bonzini /* FIXME: Should we check against registered IO addresses? */ 110c1175907SAneesh Kumar K.V wimg_flags = (ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)); 111c1175907SAneesh Kumar K.V 112c1175907SAneesh Kumar K.V if (wimg_flags != HPTE64_R_I && 113c1175907SAneesh Kumar K.V wimg_flags != (HPTE64_R_I | HPTE64_R_M)) { 1149f64bd8aSPaolo Bonzini return H_PARAMETER; 1159f64bd8aSPaolo Bonzini } 1169f64bd8aSPaolo Bonzini } 1179f64bd8aSPaolo Bonzini 1189f64bd8aSPaolo Bonzini pteh &= ~0x60ULL; 1199f64bd8aSPaolo Bonzini 120c6404adeSDavid Gibson if (!valid_ptex(cpu, ptex)) { 1219f64bd8aSPaolo Bonzini return H_PARAMETER; 1229f64bd8aSPaolo Bonzini } 1237c43bca0SAneesh Kumar K.V 124c6404adeSDavid Gibson slot = ptex & 7ULL; 125c6404adeSDavid Gibson ptex = ptex & ~7ULL; 126c6404adeSDavid Gibson 1279f64bd8aSPaolo Bonzini if (likely((flags & H_EXACT) == 0)) { 1287222b94aSDavid Gibson hptes = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); 129c6404adeSDavid Gibson for (slot = 0; slot < 8; slot++) { 1307222b94aSDavid Gibson if (!(ppc_hash64_hpte0(cpu, hptes, slot) & HPTE64_V_VALID)) { 1319f64bd8aSPaolo Bonzini break; 1329f64bd8aSPaolo Bonzini } 1337aaf4957SAneesh Kumar K.V } 1347222b94aSDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); 135c6404adeSDavid Gibson if (slot == 8) { 1367aaf4957SAneesh Kumar K.V return H_PTEG_FULL; 1377aaf4957SAneesh Kumar K.V } 1389f64bd8aSPaolo Bonzini } else { 1397222b94aSDavid Gibson hptes = ppc_hash64_map_hptes(cpu, ptex + slot, 1); 1407222b94aSDavid Gibson if (ppc_hash64_hpte0(cpu, hptes, 0) & HPTE64_V_VALID) { 1417222b94aSDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex + slot, 1); 1429f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1439f64bd8aSPaolo Bonzini } 1447222b94aSDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); 1459f64bd8aSPaolo Bonzini } 1467c43bca0SAneesh Kumar K.V 147c6404adeSDavid Gibson ppc_hash64_store_hpte(cpu, ptex + slot, pteh | HPTE64_V_HPTE_DIRTY, ptel); 1489f64bd8aSPaolo Bonzini 149c6404adeSDavid Gibson args[0] = ptex + slot; 1509f64bd8aSPaolo Bonzini return H_SUCCESS; 1519f64bd8aSPaolo Bonzini } 1529f64bd8aSPaolo Bonzini 153a3801402SStefan Weil typedef enum { 1549f64bd8aSPaolo Bonzini REMOVE_SUCCESS = 0, 1559f64bd8aSPaolo Bonzini REMOVE_NOT_FOUND = 1, 1569f64bd8aSPaolo Bonzini REMOVE_PARM = 2, 1579f64bd8aSPaolo Bonzini REMOVE_HW = 3, 158a3801402SStefan Weil } RemoveResult; 1599f64bd8aSPaolo Bonzini 1607ef23068SDavid Gibson static RemoveResult remove_hpte(PowerPCCPU *cpu, target_ulong ptex, 1619f64bd8aSPaolo Bonzini target_ulong avpn, 1629f64bd8aSPaolo Bonzini target_ulong flags, 1639f64bd8aSPaolo Bonzini target_ulong *vp, target_ulong *rp) 1649f64bd8aSPaolo Bonzini { 1657222b94aSDavid Gibson const ppc_hash_pte64_t *hptes; 16661a36c9bSDavid Gibson target_ulong v, r; 1679f64bd8aSPaolo Bonzini 168c6404adeSDavid Gibson if (!valid_ptex(cpu, ptex)) { 1699f64bd8aSPaolo Bonzini return REMOVE_PARM; 1709f64bd8aSPaolo Bonzini } 1719f64bd8aSPaolo Bonzini 1727222b94aSDavid Gibson hptes = ppc_hash64_map_hptes(cpu, ptex, 1); 1737222b94aSDavid Gibson v = ppc_hash64_hpte0(cpu, hptes, 0); 1747222b94aSDavid Gibson r = ppc_hash64_hpte1(cpu, hptes, 0); 1757222b94aSDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); 1769f64bd8aSPaolo Bonzini 177d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 1789f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || 1799f64bd8aSPaolo Bonzini ((flags & H_ANDCOND) && (v & avpn) != 0)) { 1809f64bd8aSPaolo Bonzini return REMOVE_NOT_FOUND; 1819f64bd8aSPaolo Bonzini } 1829f64bd8aSPaolo Bonzini *vp = v; 1839f64bd8aSPaolo Bonzini *rp = r; 1847ef23068SDavid Gibson ppc_hash64_store_hpte(cpu, ptex, HPTE64_V_HPTE_DIRTY, 0); 18561a36c9bSDavid Gibson ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); 1869f64bd8aSPaolo Bonzini return REMOVE_SUCCESS; 1879f64bd8aSPaolo Bonzini } 1889f64bd8aSPaolo Bonzini 18928e02042SDavid Gibson static target_ulong h_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr, 1909f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 1919f64bd8aSPaolo Bonzini { 192cd0c6f47SBenjamin Herrenschmidt CPUPPCState *env = &cpu->env; 1939f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 194c6404adeSDavid Gibson target_ulong ptex = args[1]; 1959f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 196a3801402SStefan Weil RemoveResult ret; 1979f64bd8aSPaolo Bonzini 198c6404adeSDavid Gibson ret = remove_hpte(cpu, ptex, avpn, flags, 1999f64bd8aSPaolo Bonzini &args[0], &args[1]); 2009f64bd8aSPaolo Bonzini 2019f64bd8aSPaolo Bonzini switch (ret) { 2029f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 203e3cffe6fSNikunj A Dadhania check_tlb_flush(env, true); 2049f64bd8aSPaolo Bonzini return H_SUCCESS; 2059f64bd8aSPaolo Bonzini 2069f64bd8aSPaolo Bonzini case REMOVE_NOT_FOUND: 2079f64bd8aSPaolo Bonzini return H_NOT_FOUND; 2089f64bd8aSPaolo Bonzini 2099f64bd8aSPaolo Bonzini case REMOVE_PARM: 2109f64bd8aSPaolo Bonzini return H_PARAMETER; 2119f64bd8aSPaolo Bonzini 2129f64bd8aSPaolo Bonzini case REMOVE_HW: 2139f64bd8aSPaolo Bonzini return H_HARDWARE; 2149f64bd8aSPaolo Bonzini } 2159f64bd8aSPaolo Bonzini 2169a39970dSStefan Weil g_assert_not_reached(); 2179f64bd8aSPaolo Bonzini } 2189f64bd8aSPaolo Bonzini 2199f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL 2209f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL 2219f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL 2229f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_END 0xc000000000000000ULL 2239f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_CODE 0x3000000000000000ULL 2249f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL 2259f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL 2269f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PARM 0x2000000000000000ULL 2279f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_HW 0x3000000000000000ULL 2289f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RC 0x0c00000000000000ULL 2299f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL 2309f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL 2319f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL 2329f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL 2339f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL 2349f64bd8aSPaolo Bonzini 2359f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_MAX_BATCH 4 2369f64bd8aSPaolo Bonzini 23728e02042SDavid Gibson static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr, 2389f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2399f64bd8aSPaolo Bonzini { 240cd0c6f47SBenjamin Herrenschmidt CPUPPCState *env = &cpu->env; 2419f64bd8aSPaolo Bonzini int i; 242cd0c6f47SBenjamin Herrenschmidt target_ulong rc = H_SUCCESS; 2439f64bd8aSPaolo Bonzini 2449f64bd8aSPaolo Bonzini for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { 2459f64bd8aSPaolo Bonzini target_ulong *tsh = &args[i*2]; 2469f64bd8aSPaolo Bonzini target_ulong tsl = args[i*2 + 1]; 2479f64bd8aSPaolo Bonzini target_ulong v, r, ret; 2489f64bd8aSPaolo Bonzini 2499f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { 2509f64bd8aSPaolo Bonzini break; 2519f64bd8aSPaolo Bonzini } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { 2529f64bd8aSPaolo Bonzini return H_PARAMETER; 2539f64bd8aSPaolo Bonzini } 2549f64bd8aSPaolo Bonzini 2559f64bd8aSPaolo Bonzini *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; 2569f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_RESPONSE; 2579f64bd8aSPaolo Bonzini 2589f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { 2599f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_PARM; 2609f64bd8aSPaolo Bonzini return H_PARAMETER; 2619f64bd8aSPaolo Bonzini } 2629f64bd8aSPaolo Bonzini 2637ef23068SDavid Gibson ret = remove_hpte(cpu, *tsh & H_BULK_REMOVE_PTEX, tsl, 2649f64bd8aSPaolo Bonzini (*tsh & H_BULK_REMOVE_FLAGS) >> 26, 2659f64bd8aSPaolo Bonzini &v, &r); 2669f64bd8aSPaolo Bonzini 2679f64bd8aSPaolo Bonzini *tsh |= ret << 60; 2689f64bd8aSPaolo Bonzini 2699f64bd8aSPaolo Bonzini switch (ret) { 2709f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 271d5aea6f3SDavid Gibson *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; 2729f64bd8aSPaolo Bonzini break; 2739f64bd8aSPaolo Bonzini 2749f64bd8aSPaolo Bonzini case REMOVE_PARM: 275cd0c6f47SBenjamin Herrenschmidt rc = H_PARAMETER; 276cd0c6f47SBenjamin Herrenschmidt goto exit; 2779f64bd8aSPaolo Bonzini 2789f64bd8aSPaolo Bonzini case REMOVE_HW: 279cd0c6f47SBenjamin Herrenschmidt rc = H_HARDWARE; 280cd0c6f47SBenjamin Herrenschmidt goto exit; 2819f64bd8aSPaolo Bonzini } 2829f64bd8aSPaolo Bonzini } 283cd0c6f47SBenjamin Herrenschmidt exit: 284e3cffe6fSNikunj A Dadhania check_tlb_flush(env, true); 2859f64bd8aSPaolo Bonzini 286cd0c6f47SBenjamin Herrenschmidt return rc; 2879f64bd8aSPaolo Bonzini } 2889f64bd8aSPaolo Bonzini 28928e02042SDavid Gibson static target_ulong h_protect(PowerPCCPU *cpu, sPAPRMachineState *spapr, 2909f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2919f64bd8aSPaolo Bonzini { 2929f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2939f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 294c6404adeSDavid Gibson target_ulong ptex = args[1]; 2959f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 2967222b94aSDavid Gibson const ppc_hash_pte64_t *hptes; 29761a36c9bSDavid Gibson target_ulong v, r; 2989f64bd8aSPaolo Bonzini 299c6404adeSDavid Gibson if (!valid_ptex(cpu, ptex)) { 3009f64bd8aSPaolo Bonzini return H_PARAMETER; 3019f64bd8aSPaolo Bonzini } 3029f64bd8aSPaolo Bonzini 3037222b94aSDavid Gibson hptes = ppc_hash64_map_hptes(cpu, ptex, 1); 3047222b94aSDavid Gibson v = ppc_hash64_hpte0(cpu, hptes, 0); 3057222b94aSDavid Gibson r = ppc_hash64_hpte1(cpu, hptes, 0); 3067222b94aSDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1); 3079f64bd8aSPaolo Bonzini 308d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 3099f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { 3109f64bd8aSPaolo Bonzini return H_NOT_FOUND; 3119f64bd8aSPaolo Bonzini } 3129f64bd8aSPaolo Bonzini 313d5aea6f3SDavid Gibson r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | 314d5aea6f3SDavid Gibson HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); 315d5aea6f3SDavid Gibson r |= (flags << 55) & HPTE64_R_PP0; 316d5aea6f3SDavid Gibson r |= (flags << 48) & HPTE64_R_KEY_HI; 317d5aea6f3SDavid Gibson r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); 318c6404adeSDavid Gibson ppc_hash64_store_hpte(cpu, ptex, 3193f94170bSAneesh Kumar K.V (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); 320c6404adeSDavid Gibson ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r); 321d76ab5e1SNikunj A Dadhania /* Flush the tlb */ 322d76ab5e1SNikunj A Dadhania check_tlb_flush(env, true); 3239f64bd8aSPaolo Bonzini /* Don't need a memory barrier, due to qemu's global lock */ 324c6404adeSDavid Gibson ppc_hash64_store_hpte(cpu, ptex, v | HPTE64_V_HPTE_DIRTY, r); 3259f64bd8aSPaolo Bonzini return H_SUCCESS; 3269f64bd8aSPaolo Bonzini } 3279f64bd8aSPaolo Bonzini 32828e02042SDavid Gibson static target_ulong h_read(PowerPCCPU *cpu, sPAPRMachineState *spapr, 329fa388916SAnthony Liguori target_ulong opcode, target_ulong *args) 330fa388916SAnthony Liguori { 331fa388916SAnthony Liguori target_ulong flags = args[0]; 332c6404adeSDavid Gibson target_ulong ptex = args[1]; 333fa388916SAnthony Liguori uint8_t *hpte; 334fa388916SAnthony Liguori int i, ridx, n_entries = 1; 335fa388916SAnthony Liguori 336c6404adeSDavid Gibson if (!valid_ptex(cpu, ptex)) { 337fa388916SAnthony Liguori return H_PARAMETER; 338fa388916SAnthony Liguori } 339fa388916SAnthony Liguori 340fa388916SAnthony Liguori if (flags & H_READ_4) { 341fa388916SAnthony Liguori /* Clear the two low order bits */ 342c6404adeSDavid Gibson ptex &= ~(3ULL); 343fa388916SAnthony Liguori n_entries = 4; 344fa388916SAnthony Liguori } 345fa388916SAnthony Liguori 346e57ca75cSDavid Gibson hpte = spapr->htab + (ptex * HASH_PTE_SIZE_64); 347fa388916SAnthony Liguori 348fa388916SAnthony Liguori for (i = 0, ridx = 0; i < n_entries; i++) { 349fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte); 350fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); 351fa388916SAnthony Liguori hpte += HASH_PTE_SIZE_64; 352fa388916SAnthony Liguori } 353fa388916SAnthony Liguori 354fa388916SAnthony Liguori return H_SUCCESS; 355fa388916SAnthony Liguori } 356fa388916SAnthony Liguori 3570b0b8310SDavid Gibson struct sPAPRPendingHPT { 3580b0b8310SDavid Gibson /* These fields are read-only after initialization */ 3590b0b8310SDavid Gibson int shift; 3600b0b8310SDavid Gibson QemuThread thread; 3610b0b8310SDavid Gibson 3620b0b8310SDavid Gibson /* These fields are protected by the BQL */ 3630b0b8310SDavid Gibson bool complete; 3640b0b8310SDavid Gibson 3650b0b8310SDavid Gibson /* These fields are private to the preparation thread if 3660b0b8310SDavid Gibson * !complete, otherwise protected by the BQL */ 3670b0b8310SDavid Gibson int ret; 3680b0b8310SDavid Gibson void *hpt; 3690b0b8310SDavid Gibson }; 3700b0b8310SDavid Gibson 3710b0b8310SDavid Gibson static void free_pending_hpt(sPAPRPendingHPT *pending) 3720b0b8310SDavid Gibson { 3730b0b8310SDavid Gibson if (pending->hpt) { 3740b0b8310SDavid Gibson qemu_vfree(pending->hpt); 3750b0b8310SDavid Gibson } 3760b0b8310SDavid Gibson 3770b0b8310SDavid Gibson g_free(pending); 3780b0b8310SDavid Gibson } 3790b0b8310SDavid Gibson 3800b0b8310SDavid Gibson static void *hpt_prepare_thread(void *opaque) 3810b0b8310SDavid Gibson { 3820b0b8310SDavid Gibson sPAPRPendingHPT *pending = opaque; 3830b0b8310SDavid Gibson size_t size = 1ULL << pending->shift; 3840b0b8310SDavid Gibson 3850b0b8310SDavid Gibson pending->hpt = qemu_memalign(size, size); 3860b0b8310SDavid Gibson if (pending->hpt) { 3870b0b8310SDavid Gibson memset(pending->hpt, 0, size); 3880b0b8310SDavid Gibson pending->ret = H_SUCCESS; 3890b0b8310SDavid Gibson } else { 3900b0b8310SDavid Gibson pending->ret = H_NO_MEM; 3910b0b8310SDavid Gibson } 3920b0b8310SDavid Gibson 3930b0b8310SDavid Gibson qemu_mutex_lock_iothread(); 3940b0b8310SDavid Gibson 3950b0b8310SDavid Gibson if (SPAPR_MACHINE(qdev_get_machine())->pending_hpt == pending) { 3960b0b8310SDavid Gibson /* Ready to go */ 3970b0b8310SDavid Gibson pending->complete = true; 3980b0b8310SDavid Gibson } else { 3990b0b8310SDavid Gibson /* We've been cancelled, clean ourselves up */ 4000b0b8310SDavid Gibson free_pending_hpt(pending); 4010b0b8310SDavid Gibson } 4020b0b8310SDavid Gibson 4030b0b8310SDavid Gibson qemu_mutex_unlock_iothread(); 4040b0b8310SDavid Gibson return NULL; 4050b0b8310SDavid Gibson } 4060b0b8310SDavid Gibson 4070b0b8310SDavid Gibson /* Must be called with BQL held */ 4080b0b8310SDavid Gibson static void cancel_hpt_prepare(sPAPRMachineState *spapr) 4090b0b8310SDavid Gibson { 4100b0b8310SDavid Gibson sPAPRPendingHPT *pending = spapr->pending_hpt; 4110b0b8310SDavid Gibson 4120b0b8310SDavid Gibson /* Let the thread know it's cancelled */ 4130b0b8310SDavid Gibson spapr->pending_hpt = NULL; 4140b0b8310SDavid Gibson 4150b0b8310SDavid Gibson if (!pending) { 4160b0b8310SDavid Gibson /* Nothing to do */ 4170b0b8310SDavid Gibson return; 4180b0b8310SDavid Gibson } 4190b0b8310SDavid Gibson 4200b0b8310SDavid Gibson if (!pending->complete) { 4210b0b8310SDavid Gibson /* thread will clean itself up */ 4220b0b8310SDavid Gibson return; 4230b0b8310SDavid Gibson } 4240b0b8310SDavid Gibson 4250b0b8310SDavid Gibson free_pending_hpt(pending); 4260b0b8310SDavid Gibson } 4270b0b8310SDavid Gibson 428b55d295eSDavid Gibson /* Convert a return code from the KVM ioctl()s implementing resize HPT 429b55d295eSDavid Gibson * into a PAPR hypercall return code */ 430b55d295eSDavid Gibson static target_ulong resize_hpt_convert_rc(int ret) 431b55d295eSDavid Gibson { 432b55d295eSDavid Gibson if (ret >= 100000) { 433b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_100_SEC; 434b55d295eSDavid Gibson } else if (ret >= 10000) { 435b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_10_SEC; 436b55d295eSDavid Gibson } else if (ret >= 1000) { 437b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_1_SEC; 438b55d295eSDavid Gibson } else if (ret >= 100) { 439b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_100_MSEC; 440b55d295eSDavid Gibson } else if (ret >= 10) { 441b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_10_MSEC; 442b55d295eSDavid Gibson } else if (ret > 0) { 443b55d295eSDavid Gibson return H_LONG_BUSY_ORDER_1_MSEC; 444b55d295eSDavid Gibson } 445b55d295eSDavid Gibson 446b55d295eSDavid Gibson switch (ret) { 447b55d295eSDavid Gibson case 0: 448b55d295eSDavid Gibson return H_SUCCESS; 449b55d295eSDavid Gibson case -EPERM: 450b55d295eSDavid Gibson return H_AUTHORITY; 451b55d295eSDavid Gibson case -EINVAL: 452b55d295eSDavid Gibson return H_PARAMETER; 453b55d295eSDavid Gibson case -ENXIO: 454b55d295eSDavid Gibson return H_CLOSED; 455b55d295eSDavid Gibson case -ENOSPC: 456b55d295eSDavid Gibson return H_PTEG_FULL; 457b55d295eSDavid Gibson case -EBUSY: 458b55d295eSDavid Gibson return H_BUSY; 459b55d295eSDavid Gibson case -ENOMEM: 460b55d295eSDavid Gibson return H_NO_MEM; 461b55d295eSDavid Gibson default: 462b55d295eSDavid Gibson return H_HARDWARE; 463b55d295eSDavid Gibson } 464b55d295eSDavid Gibson } 465b55d295eSDavid Gibson 46630f4b05bSDavid Gibson static target_ulong h_resize_hpt_prepare(PowerPCCPU *cpu, 46730f4b05bSDavid Gibson sPAPRMachineState *spapr, 46830f4b05bSDavid Gibson target_ulong opcode, 46930f4b05bSDavid Gibson target_ulong *args) 47030f4b05bSDavid Gibson { 47130f4b05bSDavid Gibson target_ulong flags = args[0]; 4720b0b8310SDavid Gibson int shift = args[1]; 4730b0b8310SDavid Gibson sPAPRPendingHPT *pending = spapr->pending_hpt; 474db50f280SDavid Gibson uint64_t current_ram_size; 475b55d295eSDavid Gibson int rc; 47630f4b05bSDavid Gibson 47730f4b05bSDavid Gibson if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) { 47830f4b05bSDavid Gibson return H_AUTHORITY; 47930f4b05bSDavid Gibson } 48030f4b05bSDavid Gibson 4810b0b8310SDavid Gibson if (!spapr->htab_shift) { 4820b0b8310SDavid Gibson /* Radix guest, no HPT */ 4830b0b8310SDavid Gibson return H_NOT_AVAILABLE; 4840b0b8310SDavid Gibson } 4850b0b8310SDavid Gibson 48630f4b05bSDavid Gibson trace_spapr_h_resize_hpt_prepare(flags, shift); 4870b0b8310SDavid Gibson 4880b0b8310SDavid Gibson if (flags != 0) { 4890b0b8310SDavid Gibson return H_PARAMETER; 4900b0b8310SDavid Gibson } 4910b0b8310SDavid Gibson 4920b0b8310SDavid Gibson if (shift && ((shift < 18) || (shift > 46))) { 4930b0b8310SDavid Gibson return H_PARAMETER; 4940b0b8310SDavid Gibson } 4950b0b8310SDavid Gibson 496db50f280SDavid Gibson current_ram_size = MACHINE(spapr)->ram_size + get_plugged_memory_size(); 4970b0b8310SDavid Gibson 4980b0b8310SDavid Gibson /* We only allow the guest to allocate an HPT one order above what 4990b0b8310SDavid Gibson * we'd normally give them (to stop a small guest claiming a huge 5000b0b8310SDavid Gibson * chunk of resources in the HPT */ 5010b0b8310SDavid Gibson if (shift > (spapr_hpt_shift_for_ramsize(current_ram_size) + 1)) { 5020b0b8310SDavid Gibson return H_RESOURCE; 5030b0b8310SDavid Gibson } 5040b0b8310SDavid Gibson 505b55d295eSDavid Gibson rc = kvmppc_resize_hpt_prepare(cpu, flags, shift); 506b55d295eSDavid Gibson if (rc != -ENOSYS) { 507b55d295eSDavid Gibson return resize_hpt_convert_rc(rc); 508b55d295eSDavid Gibson } 509b55d295eSDavid Gibson 5100b0b8310SDavid Gibson if (pending) { 5110b0b8310SDavid Gibson /* something already in progress */ 5120b0b8310SDavid Gibson if (pending->shift == shift) { 5130b0b8310SDavid Gibson /* and it's suitable */ 5140b0b8310SDavid Gibson if (pending->complete) { 5150b0b8310SDavid Gibson return pending->ret; 5160b0b8310SDavid Gibson } else { 5170b0b8310SDavid Gibson return H_LONG_BUSY_ORDER_100_MSEC; 5180b0b8310SDavid Gibson } 5190b0b8310SDavid Gibson } 5200b0b8310SDavid Gibson 5210b0b8310SDavid Gibson /* not suitable, cancel and replace */ 5220b0b8310SDavid Gibson cancel_hpt_prepare(spapr); 5230b0b8310SDavid Gibson } 5240b0b8310SDavid Gibson 5250b0b8310SDavid Gibson if (!shift) { 5260b0b8310SDavid Gibson /* nothing to do */ 5270b0b8310SDavid Gibson return H_SUCCESS; 5280b0b8310SDavid Gibson } 5290b0b8310SDavid Gibson 5300b0b8310SDavid Gibson /* start new prepare */ 5310b0b8310SDavid Gibson 5320b0b8310SDavid Gibson pending = g_new0(sPAPRPendingHPT, 1); 5330b0b8310SDavid Gibson pending->shift = shift; 5340b0b8310SDavid Gibson pending->ret = H_HARDWARE; 5350b0b8310SDavid Gibson 5360b0b8310SDavid Gibson qemu_thread_create(&pending->thread, "sPAPR HPT prepare", 5370b0b8310SDavid Gibson hpt_prepare_thread, pending, QEMU_THREAD_DETACHED); 5380b0b8310SDavid Gibson 5390b0b8310SDavid Gibson spapr->pending_hpt = pending; 5400b0b8310SDavid Gibson 5410b0b8310SDavid Gibson /* In theory we could estimate the time more accurately based on 5420b0b8310SDavid Gibson * the new size, but there's not much point */ 5430b0b8310SDavid Gibson return H_LONG_BUSY_ORDER_100_MSEC; 5440b0b8310SDavid Gibson } 5450b0b8310SDavid Gibson 5460b0b8310SDavid Gibson static uint64_t new_hpte_load0(void *htab, uint64_t pteg, int slot) 5470b0b8310SDavid Gibson { 5480b0b8310SDavid Gibson uint8_t *addr = htab; 5490b0b8310SDavid Gibson 5500b0b8310SDavid Gibson addr += pteg * HASH_PTEG_SIZE_64; 5510b0b8310SDavid Gibson addr += slot * HASH_PTE_SIZE_64; 5520b0b8310SDavid Gibson return ldq_p(addr); 5530b0b8310SDavid Gibson } 5540b0b8310SDavid Gibson 5550b0b8310SDavid Gibson static void new_hpte_store(void *htab, uint64_t pteg, int slot, 5560b0b8310SDavid Gibson uint64_t pte0, uint64_t pte1) 5570b0b8310SDavid Gibson { 5580b0b8310SDavid Gibson uint8_t *addr = htab; 5590b0b8310SDavid Gibson 5600b0b8310SDavid Gibson addr += pteg * HASH_PTEG_SIZE_64; 5610b0b8310SDavid Gibson addr += slot * HASH_PTE_SIZE_64; 5620b0b8310SDavid Gibson 5630b0b8310SDavid Gibson stq_p(addr, pte0); 5640b0b8310SDavid Gibson stq_p(addr + HASH_PTE_SIZE_64 / 2, pte1); 5650b0b8310SDavid Gibson } 5660b0b8310SDavid Gibson 5670b0b8310SDavid Gibson static int rehash_hpte(PowerPCCPU *cpu, 5680b0b8310SDavid Gibson const ppc_hash_pte64_t *hptes, 5690b0b8310SDavid Gibson void *old_hpt, uint64_t oldsize, 5700b0b8310SDavid Gibson void *new_hpt, uint64_t newsize, 5710b0b8310SDavid Gibson uint64_t pteg, int slot) 5720b0b8310SDavid Gibson { 5730b0b8310SDavid Gibson uint64_t old_hash_mask = (oldsize >> 7) - 1; 5740b0b8310SDavid Gibson uint64_t new_hash_mask = (newsize >> 7) - 1; 5750b0b8310SDavid Gibson target_ulong pte0 = ppc_hash64_hpte0(cpu, hptes, slot); 5760b0b8310SDavid Gibson target_ulong pte1; 5770b0b8310SDavid Gibson uint64_t avpn; 5780b0b8310SDavid Gibson unsigned base_pg_shift; 5790b0b8310SDavid Gibson uint64_t hash, new_pteg, replace_pte0; 5800b0b8310SDavid Gibson 5810b0b8310SDavid Gibson if (!(pte0 & HPTE64_V_VALID) || !(pte0 & HPTE64_V_BOLTED)) { 5820b0b8310SDavid Gibson return H_SUCCESS; 5830b0b8310SDavid Gibson } 5840b0b8310SDavid Gibson 5850b0b8310SDavid Gibson pte1 = ppc_hash64_hpte1(cpu, hptes, slot); 5860b0b8310SDavid Gibson 5870b0b8310SDavid Gibson base_pg_shift = ppc_hash64_hpte_page_shift_noslb(cpu, pte0, pte1); 5880b0b8310SDavid Gibson assert(base_pg_shift); /* H_ENTER shouldn't allow a bad encoding */ 5890b0b8310SDavid Gibson avpn = HPTE64_V_AVPN_VAL(pte0) & ~(((1ULL << base_pg_shift) - 1) >> 23); 5900b0b8310SDavid Gibson 5910b0b8310SDavid Gibson if (pte0 & HPTE64_V_SECONDARY) { 5920b0b8310SDavid Gibson pteg = ~pteg; 5930b0b8310SDavid Gibson } 5940b0b8310SDavid Gibson 5950b0b8310SDavid Gibson if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_256M) { 5960b0b8310SDavid Gibson uint64_t offset, vsid; 5970b0b8310SDavid Gibson 5980b0b8310SDavid Gibson /* We only have 28 - 23 bits of offset in avpn */ 5990b0b8310SDavid Gibson offset = (avpn & 0x1f) << 23; 6000b0b8310SDavid Gibson vsid = avpn >> 5; 6010b0b8310SDavid Gibson /* We can find more bits from the pteg value */ 6020b0b8310SDavid Gibson if (base_pg_shift < 23) { 6030b0b8310SDavid Gibson offset |= ((vsid ^ pteg) & old_hash_mask) << base_pg_shift; 6040b0b8310SDavid Gibson } 6050b0b8310SDavid Gibson 6060b0b8310SDavid Gibson hash = vsid ^ (offset >> base_pg_shift); 6070b0b8310SDavid Gibson } else if ((pte0 & HPTE64_V_SSIZE) == HPTE64_V_SSIZE_1T) { 6080b0b8310SDavid Gibson uint64_t offset, vsid; 6090b0b8310SDavid Gibson 6100b0b8310SDavid Gibson /* We only have 40 - 23 bits of seg_off in avpn */ 6110b0b8310SDavid Gibson offset = (avpn & 0x1ffff) << 23; 6120b0b8310SDavid Gibson vsid = avpn >> 17; 6130b0b8310SDavid Gibson if (base_pg_shift < 23) { 6140b0b8310SDavid Gibson offset |= ((vsid ^ (vsid << 25) ^ pteg) & old_hash_mask) 6150b0b8310SDavid Gibson << base_pg_shift; 6160b0b8310SDavid Gibson } 6170b0b8310SDavid Gibson 6180b0b8310SDavid Gibson hash = vsid ^ (vsid << 25) ^ (offset >> base_pg_shift); 6190b0b8310SDavid Gibson } else { 6200b0b8310SDavid Gibson error_report("rehash_pte: Bad segment size in HPTE"); 62130f4b05bSDavid Gibson return H_HARDWARE; 62230f4b05bSDavid Gibson } 62330f4b05bSDavid Gibson 6240b0b8310SDavid Gibson new_pteg = hash & new_hash_mask; 6250b0b8310SDavid Gibson if (pte0 & HPTE64_V_SECONDARY) { 6260b0b8310SDavid Gibson assert(~pteg == (hash & old_hash_mask)); 6270b0b8310SDavid Gibson new_pteg = ~new_pteg; 6280b0b8310SDavid Gibson } else { 6290b0b8310SDavid Gibson assert(pteg == (hash & old_hash_mask)); 6300b0b8310SDavid Gibson } 6310b0b8310SDavid Gibson assert((oldsize != newsize) || (pteg == new_pteg)); 6320b0b8310SDavid Gibson replace_pte0 = new_hpte_load0(new_hpt, new_pteg, slot); 6330b0b8310SDavid Gibson /* 6340b0b8310SDavid Gibson * Strictly speaking, we don't need all these tests, since we only 6350b0b8310SDavid Gibson * ever rehash bolted HPTEs. We might in future handle non-bolted 6360b0b8310SDavid Gibson * HPTEs, though so make the logic correct for those cases as 6370b0b8310SDavid Gibson * well. 6380b0b8310SDavid Gibson */ 6390b0b8310SDavid Gibson if (replace_pte0 & HPTE64_V_VALID) { 6400b0b8310SDavid Gibson assert(newsize < oldsize); 6410b0b8310SDavid Gibson if (replace_pte0 & HPTE64_V_BOLTED) { 6420b0b8310SDavid Gibson if (pte0 & HPTE64_V_BOLTED) { 6430b0b8310SDavid Gibson /* Bolted collision, nothing we can do */ 6440b0b8310SDavid Gibson return H_PTEG_FULL; 6450b0b8310SDavid Gibson } else { 6460b0b8310SDavid Gibson /* Discard this hpte */ 6470b0b8310SDavid Gibson return H_SUCCESS; 6480b0b8310SDavid Gibson } 6490b0b8310SDavid Gibson } 6500b0b8310SDavid Gibson } 6510b0b8310SDavid Gibson 6520b0b8310SDavid Gibson new_hpte_store(new_hpt, new_pteg, slot, pte0, pte1); 6530b0b8310SDavid Gibson return H_SUCCESS; 6540b0b8310SDavid Gibson } 6550b0b8310SDavid Gibson 6560b0b8310SDavid Gibson static int rehash_hpt(PowerPCCPU *cpu, 6570b0b8310SDavid Gibson void *old_hpt, uint64_t oldsize, 6580b0b8310SDavid Gibson void *new_hpt, uint64_t newsize) 6590b0b8310SDavid Gibson { 6600b0b8310SDavid Gibson uint64_t n_ptegs = oldsize >> 7; 6610b0b8310SDavid Gibson uint64_t pteg; 6620b0b8310SDavid Gibson int slot; 6630b0b8310SDavid Gibson int rc; 6640b0b8310SDavid Gibson 6650b0b8310SDavid Gibson for (pteg = 0; pteg < n_ptegs; pteg++) { 6660b0b8310SDavid Gibson hwaddr ptex = pteg * HPTES_PER_GROUP; 6670b0b8310SDavid Gibson const ppc_hash_pte64_t *hptes 6680b0b8310SDavid Gibson = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP); 6690b0b8310SDavid Gibson 6700b0b8310SDavid Gibson if (!hptes) { 6710b0b8310SDavid Gibson return H_HARDWARE; 6720b0b8310SDavid Gibson } 6730b0b8310SDavid Gibson 6740b0b8310SDavid Gibson for (slot = 0; slot < HPTES_PER_GROUP; slot++) { 6750b0b8310SDavid Gibson rc = rehash_hpte(cpu, hptes, old_hpt, oldsize, new_hpt, newsize, 6760b0b8310SDavid Gibson pteg, slot); 6770b0b8310SDavid Gibson if (rc != H_SUCCESS) { 6780b0b8310SDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); 6790b0b8310SDavid Gibson return rc; 6800b0b8310SDavid Gibson } 6810b0b8310SDavid Gibson } 6820b0b8310SDavid Gibson ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP); 6830b0b8310SDavid Gibson } 6840b0b8310SDavid Gibson 6850b0b8310SDavid Gibson return H_SUCCESS; 6860b0b8310SDavid Gibson } 6870b0b8310SDavid Gibson 6881ec26c75SGreg Kurz static void do_push_sregs_to_kvm_pr(CPUState *cs, run_on_cpu_data data) 6891ec26c75SGreg Kurz { 6901ec26c75SGreg Kurz int ret; 6911ec26c75SGreg Kurz 6921ec26c75SGreg Kurz cpu_synchronize_state(cs); 6931ec26c75SGreg Kurz 6941ec26c75SGreg Kurz ret = kvmppc_put_books_sregs(POWERPC_CPU(cs)); 6951ec26c75SGreg Kurz if (ret < 0) { 6961ec26c75SGreg Kurz error_report("failed to push sregs to KVM: %s", strerror(-ret)); 6971ec26c75SGreg Kurz exit(1); 6981ec26c75SGreg Kurz } 6991ec26c75SGreg Kurz } 7001ec26c75SGreg Kurz 7011ec26c75SGreg Kurz static void push_sregs_to_kvm_pr(sPAPRMachineState *spapr) 7021ec26c75SGreg Kurz { 7031ec26c75SGreg Kurz CPUState *cs; 7041ec26c75SGreg Kurz 7051ec26c75SGreg Kurz /* 7061ec26c75SGreg Kurz * This is a hack for the benefit of KVM PR - it abuses the SDR1 7071ec26c75SGreg Kurz * slot in kvm_sregs to communicate the userspace address of the 7081ec26c75SGreg Kurz * HPT 7091ec26c75SGreg Kurz */ 7101ec26c75SGreg Kurz if (!kvm_enabled() || !spapr->htab) { 7111ec26c75SGreg Kurz return; 7121ec26c75SGreg Kurz } 7131ec26c75SGreg Kurz 7141ec26c75SGreg Kurz CPU_FOREACH(cs) { 7151ec26c75SGreg Kurz run_on_cpu(cs, do_push_sregs_to_kvm_pr, RUN_ON_CPU_NULL); 7161ec26c75SGreg Kurz } 7171ec26c75SGreg Kurz } 7181ec26c75SGreg Kurz 71930f4b05bSDavid Gibson static target_ulong h_resize_hpt_commit(PowerPCCPU *cpu, 72030f4b05bSDavid Gibson sPAPRMachineState *spapr, 72130f4b05bSDavid Gibson target_ulong opcode, 72230f4b05bSDavid Gibson target_ulong *args) 72330f4b05bSDavid Gibson { 72430f4b05bSDavid Gibson target_ulong flags = args[0]; 72530f4b05bSDavid Gibson target_ulong shift = args[1]; 7260b0b8310SDavid Gibson sPAPRPendingHPT *pending = spapr->pending_hpt; 7270b0b8310SDavid Gibson int rc; 7280b0b8310SDavid Gibson size_t newsize; 72930f4b05bSDavid Gibson 73030f4b05bSDavid Gibson if (spapr->resize_hpt == SPAPR_RESIZE_HPT_DISABLED) { 73130f4b05bSDavid Gibson return H_AUTHORITY; 73230f4b05bSDavid Gibson } 73330f4b05bSDavid Gibson 73430f4b05bSDavid Gibson trace_spapr_h_resize_hpt_commit(flags, shift); 7350b0b8310SDavid Gibson 736b55d295eSDavid Gibson rc = kvmppc_resize_hpt_commit(cpu, flags, shift); 737b55d295eSDavid Gibson if (rc != -ENOSYS) { 738b55d295eSDavid Gibson return resize_hpt_convert_rc(rc); 739b55d295eSDavid Gibson } 740b55d295eSDavid Gibson 7410b0b8310SDavid Gibson if (flags != 0) { 7420b0b8310SDavid Gibson return H_PARAMETER; 7430b0b8310SDavid Gibson } 7440b0b8310SDavid Gibson 7450b0b8310SDavid Gibson if (!pending || (pending->shift != shift)) { 7460b0b8310SDavid Gibson /* no matching prepare */ 7470b0b8310SDavid Gibson return H_CLOSED; 7480b0b8310SDavid Gibson } 7490b0b8310SDavid Gibson 7500b0b8310SDavid Gibson if (!pending->complete) { 7510b0b8310SDavid Gibson /* prepare has not completed */ 7520b0b8310SDavid Gibson return H_BUSY; 7530b0b8310SDavid Gibson } 7540b0b8310SDavid Gibson 7550b0b8310SDavid Gibson /* Shouldn't have got past PREPARE without an HPT */ 7560b0b8310SDavid Gibson g_assert(spapr->htab_shift); 7570b0b8310SDavid Gibson 7580b0b8310SDavid Gibson newsize = 1ULL << pending->shift; 7590b0b8310SDavid Gibson rc = rehash_hpt(cpu, spapr->htab, HTAB_SIZE(spapr), 7600b0b8310SDavid Gibson pending->hpt, newsize); 7610b0b8310SDavid Gibson if (rc == H_SUCCESS) { 7620b0b8310SDavid Gibson qemu_vfree(spapr->htab); 7630b0b8310SDavid Gibson spapr->htab = pending->hpt; 7640b0b8310SDavid Gibson spapr->htab_shift = pending->shift; 7650b0b8310SDavid Gibson 7661ec26c75SGreg Kurz push_sregs_to_kvm_pr(spapr); 767b55d295eSDavid Gibson 7680b0b8310SDavid Gibson pending->hpt = NULL; /* so it's not free()d */ 7690b0b8310SDavid Gibson } 7700b0b8310SDavid Gibson 7710b0b8310SDavid Gibson /* Clean up */ 7720b0b8310SDavid Gibson spapr->pending_hpt = NULL; 7730b0b8310SDavid Gibson free_pending_hpt(pending); 7740b0b8310SDavid Gibson 7750b0b8310SDavid Gibson return rc; 77630f4b05bSDavid Gibson } 77730f4b05bSDavid Gibson 778423576f7SThomas Huth static target_ulong h_set_sprg0(PowerPCCPU *cpu, sPAPRMachineState *spapr, 779423576f7SThomas Huth target_ulong opcode, target_ulong *args) 780423576f7SThomas Huth { 781423576f7SThomas Huth cpu_synchronize_state(CPU(cpu)); 782423576f7SThomas Huth cpu->env.spr[SPR_SPRG0] = args[0]; 783423576f7SThomas Huth 784423576f7SThomas Huth return H_SUCCESS; 785423576f7SThomas Huth } 786423576f7SThomas Huth 78728e02042SDavid Gibson static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, 7889f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 7899f64bd8aSPaolo Bonzini { 790af08a58fSThomas Huth if (!has_spr(cpu, SPR_DABR)) { 791af08a58fSThomas Huth return H_HARDWARE; /* DABR register not available */ 792af08a58fSThomas Huth } 793af08a58fSThomas Huth cpu_synchronize_state(CPU(cpu)); 794af08a58fSThomas Huth 795af08a58fSThomas Huth if (has_spr(cpu, SPR_DABRX)) { 796af08a58fSThomas Huth cpu->env.spr[SPR_DABRX] = 0x3; /* Use Problem and Privileged state */ 797af08a58fSThomas Huth } else if (!(args[0] & 0x4)) { /* Breakpoint Translation set? */ 798af08a58fSThomas Huth return H_RESERVED_DABR; 799af08a58fSThomas Huth } 800af08a58fSThomas Huth 801af08a58fSThomas Huth cpu->env.spr[SPR_DABR] = args[0]; 802af08a58fSThomas Huth return H_SUCCESS; 8039f64bd8aSPaolo Bonzini } 8049f64bd8aSPaolo Bonzini 805e49ff266SThomas Huth static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr, 806e49ff266SThomas Huth target_ulong opcode, target_ulong *args) 807e49ff266SThomas Huth { 808e49ff266SThomas Huth target_ulong dabrx = args[1]; 809e49ff266SThomas Huth 810e49ff266SThomas Huth if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) { 811e49ff266SThomas Huth return H_HARDWARE; 812e49ff266SThomas Huth } 813e49ff266SThomas Huth 814e49ff266SThomas Huth if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0 815e49ff266SThomas Huth || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) { 816e49ff266SThomas Huth return H_PARAMETER; 817e49ff266SThomas Huth } 818e49ff266SThomas Huth 819e49ff266SThomas Huth cpu_synchronize_state(CPU(cpu)); 820e49ff266SThomas Huth cpu->env.spr[SPR_DABRX] = dabrx; 821e49ff266SThomas Huth cpu->env.spr[SPR_DABR] = args[0]; 822e49ff266SThomas Huth 823e49ff266SThomas Huth return H_SUCCESS; 824e49ff266SThomas Huth } 825e49ff266SThomas Huth 8263240dd9aSThomas Huth static target_ulong h_page_init(PowerPCCPU *cpu, sPAPRMachineState *spapr, 8273240dd9aSThomas Huth target_ulong opcode, target_ulong *args) 8283240dd9aSThomas Huth { 8293240dd9aSThomas Huth target_ulong flags = args[0]; 8303240dd9aSThomas Huth hwaddr dst = args[1]; 8313240dd9aSThomas Huth hwaddr src = args[2]; 8323240dd9aSThomas Huth hwaddr len = TARGET_PAGE_SIZE; 8333240dd9aSThomas Huth uint8_t *pdst, *psrc; 8343240dd9aSThomas Huth target_long ret = H_SUCCESS; 8353240dd9aSThomas Huth 8363240dd9aSThomas Huth if (flags & ~(H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE 8373240dd9aSThomas Huth | H_COPY_PAGE | H_ZERO_PAGE)) { 8383240dd9aSThomas Huth qemu_log_mask(LOG_UNIMP, "h_page_init: Bad flags (" TARGET_FMT_lx "\n", 8393240dd9aSThomas Huth flags); 8403240dd9aSThomas Huth return H_PARAMETER; 8413240dd9aSThomas Huth } 8423240dd9aSThomas Huth 8433240dd9aSThomas Huth /* Map-in destination */ 8443240dd9aSThomas Huth if (!is_ram_address(spapr, dst) || (dst & ~TARGET_PAGE_MASK) != 0) { 8453240dd9aSThomas Huth return H_PARAMETER; 8463240dd9aSThomas Huth } 8473240dd9aSThomas Huth pdst = cpu_physical_memory_map(dst, &len, 1); 8483240dd9aSThomas Huth if (!pdst || len != TARGET_PAGE_SIZE) { 8493240dd9aSThomas Huth return H_PARAMETER; 8503240dd9aSThomas Huth } 8513240dd9aSThomas Huth 8523240dd9aSThomas Huth if (flags & H_COPY_PAGE) { 8533240dd9aSThomas Huth /* Map-in source, copy to destination, and unmap source again */ 8543240dd9aSThomas Huth if (!is_ram_address(spapr, src) || (src & ~TARGET_PAGE_MASK) != 0) { 8553240dd9aSThomas Huth ret = H_PARAMETER; 8563240dd9aSThomas Huth goto unmap_out; 8573240dd9aSThomas Huth } 8583240dd9aSThomas Huth psrc = cpu_physical_memory_map(src, &len, 0); 8593240dd9aSThomas Huth if (!psrc || len != TARGET_PAGE_SIZE) { 8603240dd9aSThomas Huth ret = H_PARAMETER; 8613240dd9aSThomas Huth goto unmap_out; 8623240dd9aSThomas Huth } 8633240dd9aSThomas Huth memcpy(pdst, psrc, len); 8643240dd9aSThomas Huth cpu_physical_memory_unmap(psrc, len, 0, len); 8653240dd9aSThomas Huth } else if (flags & H_ZERO_PAGE) { 8663240dd9aSThomas Huth memset(pdst, 0, len); /* Just clear the destination page */ 8673240dd9aSThomas Huth } 8683240dd9aSThomas Huth 8693240dd9aSThomas Huth if (kvm_enabled() && (flags & H_ICACHE_SYNCHRONIZE) != 0) { 8703240dd9aSThomas Huth kvmppc_dcbst_range(cpu, pdst, len); 8713240dd9aSThomas Huth } 8723240dd9aSThomas Huth if (flags & (H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE)) { 8733240dd9aSThomas Huth if (kvm_enabled()) { 8743240dd9aSThomas Huth kvmppc_icbi_range(cpu, pdst, len); 8753240dd9aSThomas Huth } else { 8763240dd9aSThomas Huth tb_flush(CPU(cpu)); 8773240dd9aSThomas Huth } 8783240dd9aSThomas Huth } 8793240dd9aSThomas Huth 8803240dd9aSThomas Huth unmap_out: 8813240dd9aSThomas Huth cpu_physical_memory_unmap(pdst, TARGET_PAGE_SIZE, 1, len); 8823240dd9aSThomas Huth return ret; 8833240dd9aSThomas Huth } 8843240dd9aSThomas Huth 8859f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_VPA 0x0000200000000000ULL 8869f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_DTL 0x0000400000000000ULL 8879f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL 8889f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL 8899f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL 8909f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL 8919f64bd8aSPaolo Bonzini 8929f64bd8aSPaolo Bonzini #define VPA_MIN_SIZE 640 8939f64bd8aSPaolo Bonzini #define VPA_SIZE_OFFSET 0x4 8949f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_OFFSET 0x9 8959f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_VAL 0x2 8969f64bd8aSPaolo Bonzini 8979f64bd8aSPaolo Bonzini static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) 8989f64bd8aSPaolo Bonzini { 89933276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 9009f64bd8aSPaolo Bonzini uint16_t size; 9019f64bd8aSPaolo Bonzini uint8_t tmp; 9029f64bd8aSPaolo Bonzini 9039f64bd8aSPaolo Bonzini if (vpa == 0) { 9049f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with registering a VPA at logical 0\n"); 9059f64bd8aSPaolo Bonzini return H_HARDWARE; 9069f64bd8aSPaolo Bonzini } 9079f64bd8aSPaolo Bonzini 9089f64bd8aSPaolo Bonzini if (vpa % env->dcache_line_size) { 9099f64bd8aSPaolo Bonzini return H_PARAMETER; 9109f64bd8aSPaolo Bonzini } 9119f64bd8aSPaolo Bonzini /* FIXME: bounds check the address */ 9129f64bd8aSPaolo Bonzini 91341701aa4SEdgar E. Iglesias size = lduw_be_phys(cs->as, vpa + 0x4); 9149f64bd8aSPaolo Bonzini 9159f64bd8aSPaolo Bonzini if (size < VPA_MIN_SIZE) { 9169f64bd8aSPaolo Bonzini return H_PARAMETER; 9179f64bd8aSPaolo Bonzini } 9189f64bd8aSPaolo Bonzini 9199f64bd8aSPaolo Bonzini /* VPA is not allowed to cross a page boundary */ 9209f64bd8aSPaolo Bonzini if ((vpa / 4096) != ((vpa + size - 1) / 4096)) { 9219f64bd8aSPaolo Bonzini return H_PARAMETER; 9229f64bd8aSPaolo Bonzini } 9239f64bd8aSPaolo Bonzini 9249f64bd8aSPaolo Bonzini env->vpa_addr = vpa; 9259f64bd8aSPaolo Bonzini 9262c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET); 9279f64bd8aSPaolo Bonzini tmp |= VPA_SHARED_PROC_VAL; 928db3be60dSEdgar E. Iglesias stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); 9299f64bd8aSPaolo Bonzini 9309f64bd8aSPaolo Bonzini return H_SUCCESS; 9319f64bd8aSPaolo Bonzini } 9329f64bd8aSPaolo Bonzini 9339f64bd8aSPaolo Bonzini static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) 9349f64bd8aSPaolo Bonzini { 9359f64bd8aSPaolo Bonzini if (env->slb_shadow_addr) { 9369f64bd8aSPaolo Bonzini return H_RESOURCE; 9379f64bd8aSPaolo Bonzini } 9389f64bd8aSPaolo Bonzini 9399f64bd8aSPaolo Bonzini if (env->dtl_addr) { 9409f64bd8aSPaolo Bonzini return H_RESOURCE; 9419f64bd8aSPaolo Bonzini } 9429f64bd8aSPaolo Bonzini 9439f64bd8aSPaolo Bonzini env->vpa_addr = 0; 9449f64bd8aSPaolo Bonzini return H_SUCCESS; 9459f64bd8aSPaolo Bonzini } 9469f64bd8aSPaolo Bonzini 9479f64bd8aSPaolo Bonzini static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) 9489f64bd8aSPaolo Bonzini { 94933276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 9509f64bd8aSPaolo Bonzini uint32_t size; 9519f64bd8aSPaolo Bonzini 9529f64bd8aSPaolo Bonzini if (addr == 0) { 9539f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with SLB shadow at logical 0\n"); 9549f64bd8aSPaolo Bonzini return H_HARDWARE; 9559f64bd8aSPaolo Bonzini } 9569f64bd8aSPaolo Bonzini 957fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 9589f64bd8aSPaolo Bonzini if (size < 0x8) { 9599f64bd8aSPaolo Bonzini return H_PARAMETER; 9609f64bd8aSPaolo Bonzini } 9619f64bd8aSPaolo Bonzini 9629f64bd8aSPaolo Bonzini if ((addr / 4096) != ((addr + size - 1) / 4096)) { 9639f64bd8aSPaolo Bonzini return H_PARAMETER; 9649f64bd8aSPaolo Bonzini } 9659f64bd8aSPaolo Bonzini 9669f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 9679f64bd8aSPaolo Bonzini return H_RESOURCE; 9689f64bd8aSPaolo Bonzini } 9699f64bd8aSPaolo Bonzini 9709f64bd8aSPaolo Bonzini env->slb_shadow_addr = addr; 9719f64bd8aSPaolo Bonzini env->slb_shadow_size = size; 9729f64bd8aSPaolo Bonzini 9739f64bd8aSPaolo Bonzini return H_SUCCESS; 9749f64bd8aSPaolo Bonzini } 9759f64bd8aSPaolo Bonzini 9769f64bd8aSPaolo Bonzini static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) 9779f64bd8aSPaolo Bonzini { 9789f64bd8aSPaolo Bonzini env->slb_shadow_addr = 0; 9799f64bd8aSPaolo Bonzini env->slb_shadow_size = 0; 9809f64bd8aSPaolo Bonzini return H_SUCCESS; 9819f64bd8aSPaolo Bonzini } 9829f64bd8aSPaolo Bonzini 9839f64bd8aSPaolo Bonzini static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) 9849f64bd8aSPaolo Bonzini { 98533276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 9869f64bd8aSPaolo Bonzini uint32_t size; 9879f64bd8aSPaolo Bonzini 9889f64bd8aSPaolo Bonzini if (addr == 0) { 9899f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with DTL at logical 0\n"); 9909f64bd8aSPaolo Bonzini return H_HARDWARE; 9919f64bd8aSPaolo Bonzini } 9929f64bd8aSPaolo Bonzini 993fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 9949f64bd8aSPaolo Bonzini 9959f64bd8aSPaolo Bonzini if (size < 48) { 9969f64bd8aSPaolo Bonzini return H_PARAMETER; 9979f64bd8aSPaolo Bonzini } 9989f64bd8aSPaolo Bonzini 9999f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 10009f64bd8aSPaolo Bonzini return H_RESOURCE; 10019f64bd8aSPaolo Bonzini } 10029f64bd8aSPaolo Bonzini 10039f64bd8aSPaolo Bonzini env->dtl_addr = addr; 10049f64bd8aSPaolo Bonzini env->dtl_size = size; 10059f64bd8aSPaolo Bonzini 10069f64bd8aSPaolo Bonzini return H_SUCCESS; 10079f64bd8aSPaolo Bonzini } 10089f64bd8aSPaolo Bonzini 10099f64bd8aSPaolo Bonzini static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) 10109f64bd8aSPaolo Bonzini { 10119f64bd8aSPaolo Bonzini env->dtl_addr = 0; 10129f64bd8aSPaolo Bonzini env->dtl_size = 0; 10139f64bd8aSPaolo Bonzini 10149f64bd8aSPaolo Bonzini return H_SUCCESS; 10159f64bd8aSPaolo Bonzini } 10169f64bd8aSPaolo Bonzini 101728e02042SDavid Gibson static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPRMachineState *spapr, 10189f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 10199f64bd8aSPaolo Bonzini { 10209f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 10219f64bd8aSPaolo Bonzini target_ulong procno = args[1]; 10229f64bd8aSPaolo Bonzini target_ulong vpa = args[2]; 10239f64bd8aSPaolo Bonzini target_ulong ret = H_PARAMETER; 10249f64bd8aSPaolo Bonzini CPUPPCState *tenv; 10250f20ba62SAlexey Kardashevskiy PowerPCCPU *tcpu; 10269f64bd8aSPaolo Bonzini 10272e886fb3SSam Bobroff tcpu = spapr_find_cpu(procno); 10289f64bd8aSPaolo Bonzini if (!tcpu) { 10299f64bd8aSPaolo Bonzini return H_PARAMETER; 10309f64bd8aSPaolo Bonzini } 10310f20ba62SAlexey Kardashevskiy tenv = &tcpu->env; 10329f64bd8aSPaolo Bonzini 10339f64bd8aSPaolo Bonzini switch (flags) { 10349f64bd8aSPaolo Bonzini case FLAGS_REGISTER_VPA: 10359f64bd8aSPaolo Bonzini ret = register_vpa(tenv, vpa); 10369f64bd8aSPaolo Bonzini break; 10379f64bd8aSPaolo Bonzini 10389f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_VPA: 10399f64bd8aSPaolo Bonzini ret = deregister_vpa(tenv, vpa); 10409f64bd8aSPaolo Bonzini break; 10419f64bd8aSPaolo Bonzini 10429f64bd8aSPaolo Bonzini case FLAGS_REGISTER_SLBSHADOW: 10439f64bd8aSPaolo Bonzini ret = register_slb_shadow(tenv, vpa); 10449f64bd8aSPaolo Bonzini break; 10459f64bd8aSPaolo Bonzini 10469f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_SLBSHADOW: 10479f64bd8aSPaolo Bonzini ret = deregister_slb_shadow(tenv, vpa); 10489f64bd8aSPaolo Bonzini break; 10499f64bd8aSPaolo Bonzini 10509f64bd8aSPaolo Bonzini case FLAGS_REGISTER_DTL: 10519f64bd8aSPaolo Bonzini ret = register_dtl(tenv, vpa); 10529f64bd8aSPaolo Bonzini break; 10539f64bd8aSPaolo Bonzini 10549f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_DTL: 10559f64bd8aSPaolo Bonzini ret = deregister_dtl(tenv, vpa); 10569f64bd8aSPaolo Bonzini break; 10579f64bd8aSPaolo Bonzini } 10589f64bd8aSPaolo Bonzini 10599f64bd8aSPaolo Bonzini return ret; 10609f64bd8aSPaolo Bonzini } 10619f64bd8aSPaolo Bonzini 106228e02042SDavid Gibson static target_ulong h_cede(PowerPCCPU *cpu, sPAPRMachineState *spapr, 10639f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 10649f64bd8aSPaolo Bonzini { 10659f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 10669f64bd8aSPaolo Bonzini CPUState *cs = CPU(cpu); 10679f64bd8aSPaolo Bonzini 10689f64bd8aSPaolo Bonzini env->msr |= (1ULL << MSR_EE); 10699f64bd8aSPaolo Bonzini hreg_compute_hflags(env); 10709f64bd8aSPaolo Bonzini if (!cpu_has_work(cs)) { 1071259186a7SAndreas Färber cs->halted = 1; 107227103424SAndreas Färber cs->exception_index = EXCP_HLT; 10739f64bd8aSPaolo Bonzini cs->exit_request = 1; 10749f64bd8aSPaolo Bonzini } 10759f64bd8aSPaolo Bonzini return H_SUCCESS; 10769f64bd8aSPaolo Bonzini } 10779f64bd8aSPaolo Bonzini 107828e02042SDavid Gibson static target_ulong h_rtas(PowerPCCPU *cpu, sPAPRMachineState *spapr, 10799f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 10809f64bd8aSPaolo Bonzini { 10819f64bd8aSPaolo Bonzini target_ulong rtas_r3 = args[0]; 10824fe822e0SAlexey Kardashevskiy uint32_t token = rtas_ld(rtas_r3, 0); 10834fe822e0SAlexey Kardashevskiy uint32_t nargs = rtas_ld(rtas_r3, 1); 10844fe822e0SAlexey Kardashevskiy uint32_t nret = rtas_ld(rtas_r3, 2); 10859f64bd8aSPaolo Bonzini 1086210b580bSAnthony Liguori return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12, 10879f64bd8aSPaolo Bonzini nret, rtas_r3 + 12 + 4*nargs); 10889f64bd8aSPaolo Bonzini } 10899f64bd8aSPaolo Bonzini 109028e02042SDavid Gibson static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPRMachineState *spapr, 10919f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 10929f64bd8aSPaolo Bonzini { 1093fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 10949f64bd8aSPaolo Bonzini target_ulong size = args[0]; 10959f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 10969f64bd8aSPaolo Bonzini 10979f64bd8aSPaolo Bonzini switch (size) { 10989f64bd8aSPaolo Bonzini case 1: 10992c17449bSEdgar E. Iglesias args[0] = ldub_phys(cs->as, addr); 11009f64bd8aSPaolo Bonzini return H_SUCCESS; 11019f64bd8aSPaolo Bonzini case 2: 110241701aa4SEdgar E. Iglesias args[0] = lduw_phys(cs->as, addr); 11039f64bd8aSPaolo Bonzini return H_SUCCESS; 11049f64bd8aSPaolo Bonzini case 4: 1105fdfba1a2SEdgar E. Iglesias args[0] = ldl_phys(cs->as, addr); 11069f64bd8aSPaolo Bonzini return H_SUCCESS; 11079f64bd8aSPaolo Bonzini case 8: 11082c17449bSEdgar E. Iglesias args[0] = ldq_phys(cs->as, addr); 11099f64bd8aSPaolo Bonzini return H_SUCCESS; 11109f64bd8aSPaolo Bonzini } 11119f64bd8aSPaolo Bonzini return H_PARAMETER; 11129f64bd8aSPaolo Bonzini } 11139f64bd8aSPaolo Bonzini 111428e02042SDavid Gibson static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPRMachineState *spapr, 11159f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 11169f64bd8aSPaolo Bonzini { 1117f606604fSEdgar E. Iglesias CPUState *cs = CPU(cpu); 1118f606604fSEdgar E. Iglesias 11199f64bd8aSPaolo Bonzini target_ulong size = args[0]; 11209f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 11219f64bd8aSPaolo Bonzini target_ulong val = args[2]; 11229f64bd8aSPaolo Bonzini 11239f64bd8aSPaolo Bonzini switch (size) { 11249f64bd8aSPaolo Bonzini case 1: 1125db3be60dSEdgar E. Iglesias stb_phys(cs->as, addr, val); 11269f64bd8aSPaolo Bonzini return H_SUCCESS; 11279f64bd8aSPaolo Bonzini case 2: 11285ce5944dSEdgar E. Iglesias stw_phys(cs->as, addr, val); 11299f64bd8aSPaolo Bonzini return H_SUCCESS; 11309f64bd8aSPaolo Bonzini case 4: 1131ab1da857SEdgar E. Iglesias stl_phys(cs->as, addr, val); 11329f64bd8aSPaolo Bonzini return H_SUCCESS; 11339f64bd8aSPaolo Bonzini case 8: 1134f606604fSEdgar E. Iglesias stq_phys(cs->as, addr, val); 11359f64bd8aSPaolo Bonzini return H_SUCCESS; 11369f64bd8aSPaolo Bonzini } 11379f64bd8aSPaolo Bonzini return H_PARAMETER; 11389f64bd8aSPaolo Bonzini } 11399f64bd8aSPaolo Bonzini 114028e02042SDavid Gibson static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPRMachineState *spapr, 11419f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 11429f64bd8aSPaolo Bonzini { 1143fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 1144fdfba1a2SEdgar E. Iglesias 11459f64bd8aSPaolo Bonzini target_ulong dst = args[0]; /* Destination address */ 11469f64bd8aSPaolo Bonzini target_ulong src = args[1]; /* Source address */ 11479f64bd8aSPaolo Bonzini target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */ 11489f64bd8aSPaolo Bonzini target_ulong count = args[3]; /* Element count */ 11499f64bd8aSPaolo Bonzini target_ulong op = args[4]; /* 0 = copy, 1 = invert */ 11509f64bd8aSPaolo Bonzini uint64_t tmp; 11519f64bd8aSPaolo Bonzini unsigned int mask = (1 << esize) - 1; 11529f64bd8aSPaolo Bonzini int step = 1 << esize; 11539f64bd8aSPaolo Bonzini 11549f64bd8aSPaolo Bonzini if (count > 0x80000000) { 11559f64bd8aSPaolo Bonzini return H_PARAMETER; 11569f64bd8aSPaolo Bonzini } 11579f64bd8aSPaolo Bonzini 11589f64bd8aSPaolo Bonzini if ((dst & mask) || (src & mask) || (op > 1)) { 11599f64bd8aSPaolo Bonzini return H_PARAMETER; 11609f64bd8aSPaolo Bonzini } 11619f64bd8aSPaolo Bonzini 11629f64bd8aSPaolo Bonzini if (dst >= src && dst < (src + (count << esize))) { 11639f64bd8aSPaolo Bonzini dst = dst + ((count - 1) << esize); 11649f64bd8aSPaolo Bonzini src = src + ((count - 1) << esize); 11659f64bd8aSPaolo Bonzini step = -step; 11669f64bd8aSPaolo Bonzini } 11679f64bd8aSPaolo Bonzini 11689f64bd8aSPaolo Bonzini while (count--) { 11699f64bd8aSPaolo Bonzini switch (esize) { 11709f64bd8aSPaolo Bonzini case 0: 11712c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, src); 11729f64bd8aSPaolo Bonzini break; 11739f64bd8aSPaolo Bonzini case 1: 117441701aa4SEdgar E. Iglesias tmp = lduw_phys(cs->as, src); 11759f64bd8aSPaolo Bonzini break; 11769f64bd8aSPaolo Bonzini case 2: 1177fdfba1a2SEdgar E. Iglesias tmp = ldl_phys(cs->as, src); 11789f64bd8aSPaolo Bonzini break; 11799f64bd8aSPaolo Bonzini case 3: 11802c17449bSEdgar E. Iglesias tmp = ldq_phys(cs->as, src); 11819f64bd8aSPaolo Bonzini break; 11829f64bd8aSPaolo Bonzini default: 11839f64bd8aSPaolo Bonzini return H_PARAMETER; 11849f64bd8aSPaolo Bonzini } 11859f64bd8aSPaolo Bonzini if (op == 1) { 11869f64bd8aSPaolo Bonzini tmp = ~tmp; 11879f64bd8aSPaolo Bonzini } 11889f64bd8aSPaolo Bonzini switch (esize) { 11899f64bd8aSPaolo Bonzini case 0: 1190db3be60dSEdgar E. Iglesias stb_phys(cs->as, dst, tmp); 11919f64bd8aSPaolo Bonzini break; 11929f64bd8aSPaolo Bonzini case 1: 11935ce5944dSEdgar E. Iglesias stw_phys(cs->as, dst, tmp); 11949f64bd8aSPaolo Bonzini break; 11959f64bd8aSPaolo Bonzini case 2: 1196ab1da857SEdgar E. Iglesias stl_phys(cs->as, dst, tmp); 11979f64bd8aSPaolo Bonzini break; 11989f64bd8aSPaolo Bonzini case 3: 1199f606604fSEdgar E. Iglesias stq_phys(cs->as, dst, tmp); 12009f64bd8aSPaolo Bonzini break; 12019f64bd8aSPaolo Bonzini } 12029f64bd8aSPaolo Bonzini dst = dst + step; 12039f64bd8aSPaolo Bonzini src = src + step; 12049f64bd8aSPaolo Bonzini } 12059f64bd8aSPaolo Bonzini 12069f64bd8aSPaolo Bonzini return H_SUCCESS; 12079f64bd8aSPaolo Bonzini } 12089f64bd8aSPaolo Bonzini 120928e02042SDavid Gibson static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPRMachineState *spapr, 12109f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 12119f64bd8aSPaolo Bonzini { 12129f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 12139f64bd8aSPaolo Bonzini return H_SUCCESS; 12149f64bd8aSPaolo Bonzini } 12159f64bd8aSPaolo Bonzini 121628e02042SDavid Gibson static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPRMachineState *spapr, 12179f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 12189f64bd8aSPaolo Bonzini { 12199f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 12209f64bd8aSPaolo Bonzini return H_SUCCESS; 12219f64bd8aSPaolo Bonzini } 12229f64bd8aSPaolo Bonzini 12237d0cd464SPeter Maydell static target_ulong h_set_mode_resource_le(PowerPCCPU *cpu, 1224c4015bbdSAlexey Kardashevskiy target_ulong mflags, 1225c4015bbdSAlexey Kardashevskiy target_ulong value1, 1226c4015bbdSAlexey Kardashevskiy target_ulong value2) 122742561bf2SAnton Blanchard { 122842561bf2SAnton Blanchard CPUState *cs; 122942561bf2SAnton Blanchard 123042561bf2SAnton Blanchard if (value1) { 1231c4015bbdSAlexey Kardashevskiy return H_P3; 123242561bf2SAnton Blanchard } 123342561bf2SAnton Blanchard if (value2) { 1234c4015bbdSAlexey Kardashevskiy return H_P4; 123542561bf2SAnton Blanchard } 1236c4015bbdSAlexey Kardashevskiy 123742561bf2SAnton Blanchard switch (mflags) { 123842561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_BIG: 1239bdc44640SAndreas Färber CPU_FOREACH(cs) { 1240a46622fdSAlexey Kardashevskiy set_spr(cs, SPR_LPCR, 0, LPCR_ILE); 124142561bf2SAnton Blanchard } 1242eefaccc0SDavid Gibson spapr_pci_switch_vga(true); 1243c4015bbdSAlexey Kardashevskiy return H_SUCCESS; 124442561bf2SAnton Blanchard 124542561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_LITTLE: 1246bdc44640SAndreas Färber CPU_FOREACH(cs) { 1247a46622fdSAlexey Kardashevskiy set_spr(cs, SPR_LPCR, LPCR_ILE, LPCR_ILE); 124842561bf2SAnton Blanchard } 1249eefaccc0SDavid Gibson spapr_pci_switch_vga(false); 1250c4015bbdSAlexey Kardashevskiy return H_SUCCESS; 1251c4015bbdSAlexey Kardashevskiy } 1252c4015bbdSAlexey Kardashevskiy 1253c4015bbdSAlexey Kardashevskiy return H_UNSUPPORTED_FLAG; 1254c4015bbdSAlexey Kardashevskiy } 1255c4015bbdSAlexey Kardashevskiy 12567d0cd464SPeter Maydell static target_ulong h_set_mode_resource_addr_trans_mode(PowerPCCPU *cpu, 1257d5ac4f54SAlexey Kardashevskiy target_ulong mflags, 1258d5ac4f54SAlexey Kardashevskiy target_ulong value1, 1259d5ac4f54SAlexey Kardashevskiy target_ulong value2) 1260d5ac4f54SAlexey Kardashevskiy { 1261d5ac4f54SAlexey Kardashevskiy CPUState *cs; 1262d5ac4f54SAlexey Kardashevskiy PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 1263d5ac4f54SAlexey Kardashevskiy 1264d5ac4f54SAlexey Kardashevskiy if (!(pcc->insns_flags2 & PPC2_ISA207S)) { 1265d5ac4f54SAlexey Kardashevskiy return H_P2; 1266d5ac4f54SAlexey Kardashevskiy } 1267d5ac4f54SAlexey Kardashevskiy if (value1) { 1268d5ac4f54SAlexey Kardashevskiy return H_P3; 1269d5ac4f54SAlexey Kardashevskiy } 1270d5ac4f54SAlexey Kardashevskiy if (value2) { 1271d5ac4f54SAlexey Kardashevskiy return H_P4; 1272d5ac4f54SAlexey Kardashevskiy } 1273d5ac4f54SAlexey Kardashevskiy 12745c94b2a5SCédric Le Goater if (mflags == AIL_RESERVED) { 1275d5ac4f54SAlexey Kardashevskiy return H_UNSUPPORTED_FLAG; 1276d5ac4f54SAlexey Kardashevskiy } 1277d5ac4f54SAlexey Kardashevskiy 1278d5ac4f54SAlexey Kardashevskiy CPU_FOREACH(cs) { 1279d5ac4f54SAlexey Kardashevskiy set_spr(cs, SPR_LPCR, mflags << LPCR_AIL_SHIFT, LPCR_AIL); 1280d5ac4f54SAlexey Kardashevskiy } 1281d5ac4f54SAlexey Kardashevskiy 1282d5ac4f54SAlexey Kardashevskiy return H_SUCCESS; 1283d5ac4f54SAlexey Kardashevskiy } 1284d5ac4f54SAlexey Kardashevskiy 128528e02042SDavid Gibson static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPRMachineState *spapr, 1286c4015bbdSAlexey Kardashevskiy target_ulong opcode, target_ulong *args) 1287c4015bbdSAlexey Kardashevskiy { 1288c4015bbdSAlexey Kardashevskiy target_ulong resource = args[1]; 1289c4015bbdSAlexey Kardashevskiy target_ulong ret = H_P2; 1290c4015bbdSAlexey Kardashevskiy 1291c4015bbdSAlexey Kardashevskiy switch (resource) { 1292c4015bbdSAlexey Kardashevskiy case H_SET_MODE_RESOURCE_LE: 12937d0cd464SPeter Maydell ret = h_set_mode_resource_le(cpu, args[0], args[2], args[3]); 129442561bf2SAnton Blanchard break; 1295d5ac4f54SAlexey Kardashevskiy case H_SET_MODE_RESOURCE_ADDR_TRANS_MODE: 12967d0cd464SPeter Maydell ret = h_set_mode_resource_addr_trans_mode(cpu, args[0], 1297d5ac4f54SAlexey Kardashevskiy args[2], args[3]); 1298d5ac4f54SAlexey Kardashevskiy break; 129942561bf2SAnton Blanchard } 130042561bf2SAnton Blanchard 130142561bf2SAnton Blanchard return ret; 130242561bf2SAnton Blanchard } 130342561bf2SAnton Blanchard 1304d77a98b0SSuraj Jitindar Singh static target_ulong h_clean_slb(PowerPCCPU *cpu, sPAPRMachineState *spapr, 1305d77a98b0SSuraj Jitindar Singh target_ulong opcode, target_ulong *args) 1306d77a98b0SSuraj Jitindar Singh { 1307d77a98b0SSuraj Jitindar Singh qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x"TARGET_FMT_lx"%s\n", 1308d77a98b0SSuraj Jitindar Singh opcode, " (H_CLEAN_SLB)"); 1309d77a98b0SSuraj Jitindar Singh return H_FUNCTION; 1310d77a98b0SSuraj Jitindar Singh } 1311d77a98b0SSuraj Jitindar Singh 1312d77a98b0SSuraj Jitindar Singh static target_ulong h_invalidate_pid(PowerPCCPU *cpu, sPAPRMachineState *spapr, 1313d77a98b0SSuraj Jitindar Singh target_ulong opcode, target_ulong *args) 1314d77a98b0SSuraj Jitindar Singh { 1315d77a98b0SSuraj Jitindar Singh qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x"TARGET_FMT_lx"%s\n", 1316d77a98b0SSuraj Jitindar Singh opcode, " (H_INVALIDATE_PID)"); 1317d77a98b0SSuraj Jitindar Singh return H_FUNCTION; 1318d77a98b0SSuraj Jitindar Singh } 1319d77a98b0SSuraj Jitindar Singh 1320b4db5413SSuraj Jitindar Singh static void spapr_check_setup_free_hpt(sPAPRMachineState *spapr, 1321b4db5413SSuraj Jitindar Singh uint64_t patbe_old, uint64_t patbe_new) 1322b4db5413SSuraj Jitindar Singh { 1323b4db5413SSuraj Jitindar Singh /* 1324b4db5413SSuraj Jitindar Singh * We have 4 Options: 1325b4db5413SSuraj Jitindar Singh * HASH->HASH || RADIX->RADIX || NOTHING->RADIX : Do Nothing 1326b4db5413SSuraj Jitindar Singh * HASH->RADIX : Free HPT 1327b4db5413SSuraj Jitindar Singh * RADIX->HASH : Allocate HPT 1328b4db5413SSuraj Jitindar Singh * NOTHING->HASH : Allocate HPT 1329b4db5413SSuraj Jitindar Singh * Note: NOTHING implies the case where we said the guest could choose 1330b4db5413SSuraj Jitindar Singh * later and so assumed radix and now it's called H_REG_PROC_TBL 1331b4db5413SSuraj Jitindar Singh */ 1332b4db5413SSuraj Jitindar Singh 1333b4db5413SSuraj Jitindar Singh if ((patbe_old & PATBE1_GR) == (patbe_new & PATBE1_GR)) { 1334b4db5413SSuraj Jitindar Singh /* We assume RADIX, so this catches all the "Do Nothing" cases */ 1335b4db5413SSuraj Jitindar Singh } else if (!(patbe_old & PATBE1_GR)) { 1336b4db5413SSuraj Jitindar Singh /* HASH->RADIX : Free HPT */ 133706ec79e8SBharata B Rao spapr_free_hpt(spapr); 1338b4db5413SSuraj Jitindar Singh } else if (!(patbe_new & PATBE1_GR)) { 1339b4db5413SSuraj Jitindar Singh /* RADIX->HASH || NOTHING->HASH : Allocate HPT */ 1340b4db5413SSuraj Jitindar Singh spapr_setup_hpt_and_vrma(spapr); 1341b4db5413SSuraj Jitindar Singh } 1342b4db5413SSuraj Jitindar Singh return; 1343b4db5413SSuraj Jitindar Singh } 1344b4db5413SSuraj Jitindar Singh 1345b4db5413SSuraj Jitindar Singh #define FLAGS_MASK 0x01FULL 1346b4db5413SSuraj Jitindar Singh #define FLAG_MODIFY 0x10 1347b4db5413SSuraj Jitindar Singh #define FLAG_REGISTER 0x08 1348b4db5413SSuraj Jitindar Singh #define FLAG_RADIX 0x04 1349b4db5413SSuraj Jitindar Singh #define FLAG_HASH_PROC_TBL 0x02 1350b4db5413SSuraj Jitindar Singh #define FLAG_GTSE 0x01 1351b4db5413SSuraj Jitindar Singh 1352d77a98b0SSuraj Jitindar Singh static target_ulong h_register_process_table(PowerPCCPU *cpu, 1353d77a98b0SSuraj Jitindar Singh sPAPRMachineState *spapr, 1354d77a98b0SSuraj Jitindar Singh target_ulong opcode, 1355d77a98b0SSuraj Jitindar Singh target_ulong *args) 1356d77a98b0SSuraj Jitindar Singh { 13576de83307SSuraj Jitindar Singh CPUState *cs; 1358b4db5413SSuraj Jitindar Singh target_ulong flags = args[0]; 1359b4db5413SSuraj Jitindar Singh target_ulong proc_tbl = args[1]; 1360b4db5413SSuraj Jitindar Singh target_ulong page_size = args[2]; 1361b4db5413SSuraj Jitindar Singh target_ulong table_size = args[3]; 1362b4db5413SSuraj Jitindar Singh uint64_t cproc; 1363b4db5413SSuraj Jitindar Singh 1364b4db5413SSuraj Jitindar Singh if (flags & ~FLAGS_MASK) { /* Check no reserved bits are set */ 1365b4db5413SSuraj Jitindar Singh return H_PARAMETER; 1366b4db5413SSuraj Jitindar Singh } 1367b4db5413SSuraj Jitindar Singh if (flags & FLAG_MODIFY) { 1368b4db5413SSuraj Jitindar Singh if (flags & FLAG_REGISTER) { 1369b4db5413SSuraj Jitindar Singh if (flags & FLAG_RADIX) { /* Register new RADIX process table */ 1370b4db5413SSuraj Jitindar Singh if (proc_tbl & 0xfff || proc_tbl >> 60) { 1371b4db5413SSuraj Jitindar Singh return H_P2; 1372b4db5413SSuraj Jitindar Singh } else if (page_size) { 1373b4db5413SSuraj Jitindar Singh return H_P3; 1374b4db5413SSuraj Jitindar Singh } else if (table_size > 24) { 1375b4db5413SSuraj Jitindar Singh return H_P4; 1376b4db5413SSuraj Jitindar Singh } 1377b4db5413SSuraj Jitindar Singh cproc = PATBE1_GR | proc_tbl | table_size; 1378b4db5413SSuraj Jitindar Singh } else { /* Register new HPT process table */ 1379b4db5413SSuraj Jitindar Singh if (flags & FLAG_HASH_PROC_TBL) { /* Hash with Segment Tables */ 1380b4db5413SSuraj Jitindar Singh /* TODO - Not Supported */ 1381b4db5413SSuraj Jitindar Singh /* Technically caused by flag bits => H_PARAMETER */ 1382b4db5413SSuraj Jitindar Singh return H_PARAMETER; 1383b4db5413SSuraj Jitindar Singh } else { /* Hash with SLB */ 1384b4db5413SSuraj Jitindar Singh if (proc_tbl >> 38) { 1385b4db5413SSuraj Jitindar Singh return H_P2; 1386b4db5413SSuraj Jitindar Singh } else if (page_size & ~0x7) { 1387b4db5413SSuraj Jitindar Singh return H_P3; 1388b4db5413SSuraj Jitindar Singh } else if (table_size > 24) { 1389b4db5413SSuraj Jitindar Singh return H_P4; 1390b4db5413SSuraj Jitindar Singh } 1391b4db5413SSuraj Jitindar Singh } 1392b4db5413SSuraj Jitindar Singh cproc = (proc_tbl << 25) | page_size << 5 | table_size; 1393b4db5413SSuraj Jitindar Singh } 1394b4db5413SSuraj Jitindar Singh 1395b4db5413SSuraj Jitindar Singh } else { /* Deregister current process table */ 1396b4db5413SSuraj Jitindar Singh /* Set to benign value: (current GR) | 0. This allows 1397b4db5413SSuraj Jitindar Singh * deregistration in KVM to succeed even if the radix bit in flags 1398b4db5413SSuraj Jitindar Singh * doesn't match the radix bit in the old PATB. */ 1399b4db5413SSuraj Jitindar Singh cproc = spapr->patb_entry & PATBE1_GR; 1400b4db5413SSuraj Jitindar Singh } 1401b4db5413SSuraj Jitindar Singh } else { /* Maintain current registration */ 1402b4db5413SSuraj Jitindar Singh if (!(flags & FLAG_RADIX) != !(spapr->patb_entry & PATBE1_GR)) { 1403b4db5413SSuraj Jitindar Singh /* Technically caused by flag bits => H_PARAMETER */ 1404b4db5413SSuraj Jitindar Singh return H_PARAMETER; /* Existing Process Table Mismatch */ 1405b4db5413SSuraj Jitindar Singh } 1406b4db5413SSuraj Jitindar Singh cproc = spapr->patb_entry; 1407b4db5413SSuraj Jitindar Singh } 1408b4db5413SSuraj Jitindar Singh 1409b4db5413SSuraj Jitindar Singh /* Check if we need to setup OR free the hpt */ 1410b4db5413SSuraj Jitindar Singh spapr_check_setup_free_hpt(spapr, spapr->patb_entry, cproc); 1411b4db5413SSuraj Jitindar Singh 1412b4db5413SSuraj Jitindar Singh spapr->patb_entry = cproc; /* Save new process table */ 14136de83307SSuraj Jitindar Singh 14146de83307SSuraj Jitindar Singh /* Update the UPRT and GTSE bits in the LPCR for all cpus */ 14156de83307SSuraj Jitindar Singh CPU_FOREACH(cs) { 141660694bc6SSuraj Jitindar Singh set_spr(cs, SPR_LPCR, 14176de83307SSuraj Jitindar Singh ((flags & (FLAG_RADIX | FLAG_HASH_PROC_TBL)) ? LPCR_UPRT : 0) | 141860694bc6SSuraj Jitindar Singh ((flags & FLAG_GTSE) ? LPCR_GTSE : 0), 141960694bc6SSuraj Jitindar Singh LPCR_UPRT | LPCR_GTSE); 1420b4db5413SSuraj Jitindar Singh } 1421b4db5413SSuraj Jitindar Singh 1422b4db5413SSuraj Jitindar Singh if (kvm_enabled()) { 1423b4db5413SSuraj Jitindar Singh return kvmppc_configure_v3_mmu(cpu, flags & FLAG_RADIX, 1424b4db5413SSuraj Jitindar Singh flags & FLAG_GTSE, cproc); 1425b4db5413SSuraj Jitindar Singh } 1426b4db5413SSuraj Jitindar Singh return H_SUCCESS; 1427d77a98b0SSuraj Jitindar Singh } 1428d77a98b0SSuraj Jitindar Singh 14291c7ad77eSNicholas Piggin #define H_SIGNAL_SYS_RESET_ALL -1 14301c7ad77eSNicholas Piggin #define H_SIGNAL_SYS_RESET_ALLBUTSELF -2 14311c7ad77eSNicholas Piggin 14321c7ad77eSNicholas Piggin static target_ulong h_signal_sys_reset(PowerPCCPU *cpu, 14331c7ad77eSNicholas Piggin sPAPRMachineState *spapr, 14341c7ad77eSNicholas Piggin target_ulong opcode, target_ulong *args) 14351c7ad77eSNicholas Piggin { 14361c7ad77eSNicholas Piggin target_long target = args[0]; 14371c7ad77eSNicholas Piggin CPUState *cs; 14381c7ad77eSNicholas Piggin 14391c7ad77eSNicholas Piggin if (target < 0) { 14401c7ad77eSNicholas Piggin /* Broadcast */ 14411c7ad77eSNicholas Piggin if (target < H_SIGNAL_SYS_RESET_ALLBUTSELF) { 14421c7ad77eSNicholas Piggin return H_PARAMETER; 14431c7ad77eSNicholas Piggin } 14441c7ad77eSNicholas Piggin 14451c7ad77eSNicholas Piggin CPU_FOREACH(cs) { 14461c7ad77eSNicholas Piggin PowerPCCPU *c = POWERPC_CPU(cs); 14471c7ad77eSNicholas Piggin 14481c7ad77eSNicholas Piggin if (target == H_SIGNAL_SYS_RESET_ALLBUTSELF) { 14491c7ad77eSNicholas Piggin if (c == cpu) { 14501c7ad77eSNicholas Piggin continue; 14511c7ad77eSNicholas Piggin } 14521c7ad77eSNicholas Piggin } 14531c7ad77eSNicholas Piggin run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL); 14541c7ad77eSNicholas Piggin } 14551c7ad77eSNicholas Piggin return H_SUCCESS; 14561c7ad77eSNicholas Piggin 14571c7ad77eSNicholas Piggin } else { 14581c7ad77eSNicholas Piggin /* Unicast */ 14592e886fb3SSam Bobroff cs = CPU(spapr_find_cpu(target)); 1460f57467e3SSam Bobroff if (cs) { 14611c7ad77eSNicholas Piggin run_on_cpu(cs, spapr_do_system_reset_on_cpu, RUN_ON_CPU_NULL); 14621c7ad77eSNicholas Piggin return H_SUCCESS; 14631c7ad77eSNicholas Piggin } 14641c7ad77eSNicholas Piggin return H_PARAMETER; 14651c7ad77eSNicholas Piggin } 14661c7ad77eSNicholas Piggin } 14671c7ad77eSNicholas Piggin 14687843c0d6SDavid Gibson static uint32_t cas_check_pvr(sPAPRMachineState *spapr, PowerPCCPU *cpu, 1469cc7b35b1SGreg Kurz target_ulong *addr, bool *raw_mode_supported, 1470cc7b35b1SGreg Kurz Error **errp) 14712a6593cbSAlexey Kardashevskiy { 1472152ef803SDavid Gibson bool explicit_match = false; /* Matched the CPU's real PVR */ 14737843c0d6SDavid Gibson uint32_t max_compat = spapr->max_compat_pvr; 1474152ef803SDavid Gibson uint32_t best_compat = 0; 1475152ef803SDavid Gibson int i; 14763794d548SAlexey Kardashevskiy 1477152ef803SDavid Gibson /* 1478152ef803SDavid Gibson * We scan the supplied table of PVRs looking for two things 1479152ef803SDavid Gibson * 1. Is our real CPU PVR in the list? 1480152ef803SDavid Gibson * 2. What's the "best" listed logical PVR 1481152ef803SDavid Gibson */ 1482152ef803SDavid Gibson for (i = 0; i < 512; ++i) { 14833794d548SAlexey Kardashevskiy uint32_t pvr, pvr_mask; 14843794d548SAlexey Kardashevskiy 148580c33d34SDavid Gibson pvr_mask = ldl_be_phys(&address_space_memory, *addr); 148680c33d34SDavid Gibson pvr = ldl_be_phys(&address_space_memory, *addr + 4); 148780c33d34SDavid Gibson *addr += 8; 14883794d548SAlexey Kardashevskiy 14893794d548SAlexey Kardashevskiy if (~pvr_mask & pvr) { 1490152ef803SDavid Gibson break; /* Terminator record */ 14913794d548SAlexey Kardashevskiy } 1492152ef803SDavid Gibson 1493152ef803SDavid Gibson if ((cpu->env.spr[SPR_PVR] & pvr_mask) == (pvr & pvr_mask)) { 1494152ef803SDavid Gibson explicit_match = true; 1495152ef803SDavid Gibson } else { 1496152ef803SDavid Gibson if (ppc_check_compat(cpu, pvr, best_compat, max_compat)) { 1497152ef803SDavid Gibson best_compat = pvr; 1498152ef803SDavid Gibson } 1499152ef803SDavid Gibson } 1500152ef803SDavid Gibson } 1501152ef803SDavid Gibson 1502152ef803SDavid Gibson if ((best_compat == 0) && (!explicit_match || max_compat)) { 1503152ef803SDavid Gibson /* We couldn't find a suitable compatibility mode, and either 1504152ef803SDavid Gibson * the guest doesn't support "raw" mode for this CPU, or raw 1505152ef803SDavid Gibson * mode is disabled because a maximum compat mode is set */ 150680c33d34SDavid Gibson error_setg(errp, "Couldn't negotiate a suitable PVR during CAS"); 150780c33d34SDavid Gibson return 0; 15083794d548SAlexey Kardashevskiy } 15093794d548SAlexey Kardashevskiy 1510cc7b35b1SGreg Kurz *raw_mode_supported = explicit_match; 1511cc7b35b1SGreg Kurz 15123794d548SAlexey Kardashevskiy /* Parsing finished */ 1513152ef803SDavid Gibson trace_spapr_cas_pvr(cpu->compat_pvr, explicit_match, best_compat); 15143794d548SAlexey Kardashevskiy 151580c33d34SDavid Gibson return best_compat; 151680c33d34SDavid Gibson } 151780c33d34SDavid Gibson 151880c33d34SDavid Gibson static target_ulong h_client_architecture_support(PowerPCCPU *cpu, 151980c33d34SDavid Gibson sPAPRMachineState *spapr, 152080c33d34SDavid Gibson target_ulong opcode, 152180c33d34SDavid Gibson target_ulong *args) 152280c33d34SDavid Gibson { 152380c33d34SDavid Gibson /* Working address in data buffer */ 152480c33d34SDavid Gibson target_ulong addr = ppc64_phys_to_real(args[0]); 152580c33d34SDavid Gibson target_ulong ov_table; 152680c33d34SDavid Gibson uint32_t cas_pvr; 152780c33d34SDavid Gibson sPAPROptionVector *ov1_guest, *ov5_guest, *ov5_cas_old, *ov5_updates; 152880c33d34SDavid Gibson bool guest_radix; 1529f6f242c7SDavid Gibson Error *local_err = NULL; 1530cc7b35b1SGreg Kurz bool raw_mode_supported = false; 15313794d548SAlexey Kardashevskiy 1532cc7b35b1SGreg Kurz cas_pvr = cas_check_pvr(spapr, cpu, &addr, &raw_mode_supported, &local_err); 153380c33d34SDavid Gibson if (local_err) { 153480c33d34SDavid Gibson error_report_err(local_err); 153580c33d34SDavid Gibson return H_HARDWARE; 153680c33d34SDavid Gibson } 153780c33d34SDavid Gibson 153880c33d34SDavid Gibson /* Update CPUs */ 153980c33d34SDavid Gibson if (cpu->compat_pvr != cas_pvr) { 154080c33d34SDavid Gibson ppc_set_compat_all(cas_pvr, &local_err); 1541f6f242c7SDavid Gibson if (local_err) { 1542cc7b35b1SGreg Kurz /* We fail to set compat mode (likely because running with KVM PR), 1543cc7b35b1SGreg Kurz * but maybe we can fallback to raw mode if the guest supports it. 1544cc7b35b1SGreg Kurz */ 1545cc7b35b1SGreg Kurz if (!raw_mode_supported) { 1546f6f242c7SDavid Gibson error_report_err(local_err); 15473794d548SAlexey Kardashevskiy return H_HARDWARE; 15483794d548SAlexey Kardashevskiy } 1549cc7b35b1SGreg Kurz local_err = NULL; 1550cc7b35b1SGreg Kurz } 15513794d548SAlexey Kardashevskiy } 15523794d548SAlexey Kardashevskiy 155303d196b7SBharata B Rao /* For the future use: here @ov_table points to the first option vector */ 155480c33d34SDavid Gibson ov_table = addr; 155503d196b7SBharata B Rao 1556e957f6a9SSam Bobroff ov1_guest = spapr_ovec_parse_vector(ov_table, 1); 1557facdb8b6SMichael Roth ov5_guest = spapr_ovec_parse_vector(ov_table, 5); 15589fb4541fSSam Bobroff if (spapr_ovec_test(ov5_guest, OV5_MMU_BOTH)) { 15599fb4541fSSam Bobroff error_report("guest requested hash and radix MMU, which is invalid."); 15609fb4541fSSam Bobroff exit(EXIT_FAILURE); 15619fb4541fSSam Bobroff } 15629fb4541fSSam Bobroff /* The radix/hash bit in byte 24 requires special handling: */ 15639fb4541fSSam Bobroff guest_radix = spapr_ovec_test(ov5_guest, OV5_MMU_RADIX_300); 15649fb4541fSSam Bobroff spapr_ovec_clear(ov5_guest, OV5_MMU_RADIX_300); 15652a6593cbSAlexey Kardashevskiy 15662772cf6bSDavid Gibson /* 15672772cf6bSDavid Gibson * HPT resizing is a bit of a special case, because when enabled 15682772cf6bSDavid Gibson * we assume an HPT guest will support it until it says it 15692772cf6bSDavid Gibson * doesn't, instead of assuming it won't support it until it says 15702772cf6bSDavid Gibson * it does. Strictly speaking that approach could break for 15712772cf6bSDavid Gibson * guests which don't make a CAS call, but those are so old we 15722772cf6bSDavid Gibson * don't care about them. Without that assumption we'd have to 15732772cf6bSDavid Gibson * make at least a temporary allocation of an HPT sized for max 15742772cf6bSDavid Gibson * memory, which could be impossibly difficult under KVM HV if 15752772cf6bSDavid Gibson * maxram is large. 15762772cf6bSDavid Gibson */ 15772772cf6bSDavid Gibson if (!guest_radix && !spapr_ovec_test(ov5_guest, OV5_HPT_RESIZE)) { 15782772cf6bSDavid Gibson int maxshift = spapr_hpt_shift_for_ramsize(MACHINE(spapr)->maxram_size); 15792772cf6bSDavid Gibson 15802772cf6bSDavid Gibson if (spapr->resize_hpt == SPAPR_RESIZE_HPT_REQUIRED) { 15812772cf6bSDavid Gibson error_report( 15822772cf6bSDavid Gibson "h_client_architecture_support: Guest doesn't support HPT resizing, but resize-hpt=required"); 15832772cf6bSDavid Gibson exit(1); 15842772cf6bSDavid Gibson } 15852772cf6bSDavid Gibson 15862772cf6bSDavid Gibson if (spapr->htab_shift < maxshift) { 15872772cf6bSDavid Gibson /* Guest doesn't know about HPT resizing, so we 15882772cf6bSDavid Gibson * pre-emptively resize for the maximum permitted RAM. At 15892772cf6bSDavid Gibson * the point this is called, nothing should have been 15902772cf6bSDavid Gibson * entered into the existing HPT */ 15912772cf6bSDavid Gibson spapr_reallocate_hpt(spapr, maxshift, &error_fatal); 15921ec26c75SGreg Kurz push_sregs_to_kvm_pr(spapr); 1593b55d295eSDavid Gibson } 15942772cf6bSDavid Gibson } 15952772cf6bSDavid Gibson 1596facdb8b6SMichael Roth /* NOTE: there are actually a number of ov5 bits where input from the 1597facdb8b6SMichael Roth * guest is always zero, and the platform/QEMU enables them independently 1598facdb8b6SMichael Roth * of guest input. To model these properly we'd want some sort of mask, 1599facdb8b6SMichael Roth * but since they only currently apply to memory migration as defined 1600facdb8b6SMichael Roth * by LoPAPR 1.1, 14.5.4.8, which QEMU doesn't implement, we don't need 16016787d27bSMichael Roth * to worry about this for now. 1602facdb8b6SMichael Roth */ 16036787d27bSMichael Roth ov5_cas_old = spapr_ovec_clone(spapr->ov5_cas); 160430bf9ed1SCédric Le Goater 160530bf9ed1SCédric Le Goater /* also clear the radix/hash bit from the current ov5_cas bits to 160630bf9ed1SCédric Le Goater * be in sync with the newly ov5 bits. Else the radix bit will be 160730bf9ed1SCédric Le Goater * seen as being removed and this will generate a reset loop 160830bf9ed1SCédric Le Goater */ 160930bf9ed1SCédric Le Goater spapr_ovec_clear(ov5_cas_old, OV5_MMU_RADIX_300); 161030bf9ed1SCédric Le Goater 16116787d27bSMichael Roth /* full range of negotiated ov5 capabilities */ 1612facdb8b6SMichael Roth spapr_ovec_intersect(spapr->ov5_cas, spapr->ov5, ov5_guest); 1613facdb8b6SMichael Roth spapr_ovec_cleanup(ov5_guest); 16146787d27bSMichael Roth /* capabilities that have been added since CAS-generated guest reset. 16156787d27bSMichael Roth * if capabilities have since been removed, generate another reset 16166787d27bSMichael Roth */ 16176787d27bSMichael Roth ov5_updates = spapr_ovec_new(); 16186787d27bSMichael Roth spapr->cas_reboot = spapr_ovec_diff(ov5_updates, 16196787d27bSMichael Roth ov5_cas_old, spapr->ov5_cas); 16209fb4541fSSam Bobroff /* Now that processing is finished, set the radix/hash bit for the 16219fb4541fSSam Bobroff * guest if it requested a valid mode; otherwise terminate the boot. */ 16229fb4541fSSam Bobroff if (guest_radix) { 16239fb4541fSSam Bobroff if (kvm_enabled() && !kvmppc_has_cap_mmu_radix()) { 16249fb4541fSSam Bobroff error_report("Guest requested unavailable MMU mode (radix)."); 16259fb4541fSSam Bobroff exit(EXIT_FAILURE); 16269fb4541fSSam Bobroff } 16279fb4541fSSam Bobroff spapr_ovec_set(spapr->ov5_cas, OV5_MMU_RADIX_300); 16289fb4541fSSam Bobroff } else { 16299fb4541fSSam Bobroff if (kvm_enabled() && kvmppc_has_cap_mmu_radix() 16309fb4541fSSam Bobroff && !kvmppc_has_cap_mmu_hash_v3()) { 16319fb4541fSSam Bobroff error_report("Guest requested unavailable MMU mode (hash)."); 16329fb4541fSSam Bobroff exit(EXIT_FAILURE); 16339fb4541fSSam Bobroff } 16349fb4541fSSam Bobroff } 1635e957f6a9SSam Bobroff spapr->cas_legacy_guest_workaround = !spapr_ovec_test(ov1_guest, 1636e957f6a9SSam Bobroff OV1_PPC_3_00); 16376787d27bSMichael Roth if (!spapr->cas_reboot) { 1638e05fba50SSam Bobroff /* If ppc_spapr_reset() did not set up a HPT but one is necessary 1639e05fba50SSam Bobroff * (because the guest isn't going to use radix) then set it up here. */ 1640e05fba50SSam Bobroff if ((spapr->patb_entry & PATBE1_GR) && !guest_radix) { 1641e05fba50SSam Bobroff /* legacy hash or new hash: */ 1642e05fba50SSam Bobroff spapr_setup_hpt_and_vrma(spapr); 1643e05fba50SSam Bobroff } 16446787d27bSMichael Roth spapr->cas_reboot = 16455b120785SDavid Gibson (spapr_h_cas_compose_response(spapr, args[1], args[2], 16466787d27bSMichael Roth ov5_updates) != 0); 16476787d27bSMichael Roth } 16486787d27bSMichael Roth spapr_ovec_cleanup(ov5_updates); 16496787d27bSMichael Roth 16506787d27bSMichael Roth if (spapr->cas_reboot) { 1651cf83f140SEric Blake qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 16522a6593cbSAlexey Kardashevskiy } 16532a6593cbSAlexey Kardashevskiy 16542a6593cbSAlexey Kardashevskiy return H_SUCCESS; 16552a6593cbSAlexey Kardashevskiy } 16562a6593cbSAlexey Kardashevskiy 1657c59704b2SSuraj Jitindar Singh static target_ulong h_get_cpu_characteristics(PowerPCCPU *cpu, 1658c59704b2SSuraj Jitindar Singh sPAPRMachineState *spapr, 1659c59704b2SSuraj Jitindar Singh target_ulong opcode, 1660c59704b2SSuraj Jitindar Singh target_ulong *args) 1661c59704b2SSuraj Jitindar Singh { 1662c59704b2SSuraj Jitindar Singh uint64_t characteristics = H_CPU_CHAR_HON_BRANCH_HINTS & 1663c59704b2SSuraj Jitindar Singh ~H_CPU_CHAR_THR_RECONF_TRIG; 1664c59704b2SSuraj Jitindar Singh uint64_t behaviour = H_CPU_BEHAV_FAVOUR_SECURITY; 1665c59704b2SSuraj Jitindar Singh uint8_t safe_cache = spapr_get_cap(spapr, SPAPR_CAP_CFPC); 1666c59704b2SSuraj Jitindar Singh uint8_t safe_bounds_check = spapr_get_cap(spapr, SPAPR_CAP_SBBC); 1667c59704b2SSuraj Jitindar Singh uint8_t safe_indirect_branch = spapr_get_cap(spapr, SPAPR_CAP_IBS); 1668c59704b2SSuraj Jitindar Singh 1669c59704b2SSuraj Jitindar Singh switch (safe_cache) { 1670c59704b2SSuraj Jitindar Singh case SPAPR_CAP_WORKAROUND: 1671c59704b2SSuraj Jitindar Singh characteristics |= H_CPU_CHAR_L1D_FLUSH_ORI30; 1672c59704b2SSuraj Jitindar Singh characteristics |= H_CPU_CHAR_L1D_FLUSH_TRIG2; 1673c59704b2SSuraj Jitindar Singh characteristics |= H_CPU_CHAR_L1D_THREAD_PRIV; 1674c59704b2SSuraj Jitindar Singh behaviour |= H_CPU_BEHAV_L1D_FLUSH_PR; 1675c59704b2SSuraj Jitindar Singh break; 1676c59704b2SSuraj Jitindar Singh case SPAPR_CAP_FIXED: 1677c59704b2SSuraj Jitindar Singh break; 1678c59704b2SSuraj Jitindar Singh default: /* broken */ 1679c59704b2SSuraj Jitindar Singh assert(safe_cache == SPAPR_CAP_BROKEN); 1680c59704b2SSuraj Jitindar Singh behaviour |= H_CPU_BEHAV_L1D_FLUSH_PR; 1681c59704b2SSuraj Jitindar Singh break; 1682c59704b2SSuraj Jitindar Singh } 1683c59704b2SSuraj Jitindar Singh 1684c59704b2SSuraj Jitindar Singh switch (safe_bounds_check) { 1685c59704b2SSuraj Jitindar Singh case SPAPR_CAP_WORKAROUND: 1686c59704b2SSuraj Jitindar Singh characteristics |= H_CPU_CHAR_SPEC_BAR_ORI31; 1687c59704b2SSuraj Jitindar Singh behaviour |= H_CPU_BEHAV_BNDS_CHK_SPEC_BAR; 1688c59704b2SSuraj Jitindar Singh break; 1689c59704b2SSuraj Jitindar Singh case SPAPR_CAP_FIXED: 1690c59704b2SSuraj Jitindar Singh break; 1691c59704b2SSuraj Jitindar Singh default: /* broken */ 1692c59704b2SSuraj Jitindar Singh assert(safe_bounds_check == SPAPR_CAP_BROKEN); 1693c59704b2SSuraj Jitindar Singh behaviour |= H_CPU_BEHAV_BNDS_CHK_SPEC_BAR; 1694c59704b2SSuraj Jitindar Singh break; 1695c59704b2SSuraj Jitindar Singh } 1696c59704b2SSuraj Jitindar Singh 1697c59704b2SSuraj Jitindar Singh switch (safe_indirect_branch) { 1698c59704b2SSuraj Jitindar Singh case SPAPR_CAP_FIXED: 1699c59704b2SSuraj Jitindar Singh characteristics |= H_CPU_CHAR_BCCTRL_SERIALISED; 1700*fa86f592SGreg Kurz break; 1701c59704b2SSuraj Jitindar Singh default: /* broken */ 1702c59704b2SSuraj Jitindar Singh assert(safe_indirect_branch == SPAPR_CAP_BROKEN); 1703c59704b2SSuraj Jitindar Singh break; 1704c59704b2SSuraj Jitindar Singh } 1705c59704b2SSuraj Jitindar Singh 1706c59704b2SSuraj Jitindar Singh args[0] = characteristics; 1707c59704b2SSuraj Jitindar Singh args[1] = behaviour; 1708c59704b2SSuraj Jitindar Singh 1709c59704b2SSuraj Jitindar Singh return H_SUCCESS; 1710c59704b2SSuraj Jitindar Singh } 1711c59704b2SSuraj Jitindar Singh 17129f64bd8aSPaolo Bonzini static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1]; 17139f64bd8aSPaolo Bonzini static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1]; 17149f64bd8aSPaolo Bonzini 17159f64bd8aSPaolo Bonzini void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) 17169f64bd8aSPaolo Bonzini { 17179f64bd8aSPaolo Bonzini spapr_hcall_fn *slot; 17189f64bd8aSPaolo Bonzini 17199f64bd8aSPaolo Bonzini if (opcode <= MAX_HCALL_OPCODE) { 17209f64bd8aSPaolo Bonzini assert((opcode & 0x3) == 0); 17219f64bd8aSPaolo Bonzini 17229f64bd8aSPaolo Bonzini slot = &papr_hypercall_table[opcode / 4]; 17239f64bd8aSPaolo Bonzini } else { 17249f64bd8aSPaolo Bonzini assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); 17259f64bd8aSPaolo Bonzini 17269f64bd8aSPaolo Bonzini slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 17279f64bd8aSPaolo Bonzini } 17289f64bd8aSPaolo Bonzini 17299f64bd8aSPaolo Bonzini assert(!(*slot)); 17309f64bd8aSPaolo Bonzini *slot = fn; 17319f64bd8aSPaolo Bonzini } 17329f64bd8aSPaolo Bonzini 17339f64bd8aSPaolo Bonzini target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, 17349f64bd8aSPaolo Bonzini target_ulong *args) 17359f64bd8aSPaolo Bonzini { 173628e02042SDavid Gibson sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine()); 173728e02042SDavid Gibson 17389f64bd8aSPaolo Bonzini if ((opcode <= MAX_HCALL_OPCODE) 17399f64bd8aSPaolo Bonzini && ((opcode & 0x3) == 0)) { 17409f64bd8aSPaolo Bonzini spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; 17419f64bd8aSPaolo Bonzini 17429f64bd8aSPaolo Bonzini if (fn) { 17439f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 17449f64bd8aSPaolo Bonzini } 17459f64bd8aSPaolo Bonzini } else if ((opcode >= KVMPPC_HCALL_BASE) && 17469f64bd8aSPaolo Bonzini (opcode <= KVMPPC_HCALL_MAX)) { 17479f64bd8aSPaolo Bonzini spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 17489f64bd8aSPaolo Bonzini 17499f64bd8aSPaolo Bonzini if (fn) { 17509f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 17519f64bd8aSPaolo Bonzini } 17529f64bd8aSPaolo Bonzini } 17539f64bd8aSPaolo Bonzini 1754aaf87c66SThomas Huth qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x" TARGET_FMT_lx "\n", 1755aaf87c66SThomas Huth opcode); 17569f64bd8aSPaolo Bonzini return H_FUNCTION; 17579f64bd8aSPaolo Bonzini } 17589f64bd8aSPaolo Bonzini 17599f64bd8aSPaolo Bonzini static void hypercall_register_types(void) 17609f64bd8aSPaolo Bonzini { 17619f64bd8aSPaolo Bonzini /* hcall-pft */ 17629f64bd8aSPaolo Bonzini spapr_register_hypercall(H_ENTER, h_enter); 17639f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REMOVE, h_remove); 17649f64bd8aSPaolo Bonzini spapr_register_hypercall(H_PROTECT, h_protect); 1765fa388916SAnthony Liguori spapr_register_hypercall(H_READ, h_read); 17669f64bd8aSPaolo Bonzini 17679f64bd8aSPaolo Bonzini /* hcall-bulk */ 17689f64bd8aSPaolo Bonzini spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); 17699f64bd8aSPaolo Bonzini 177030f4b05bSDavid Gibson /* hcall-hpt-resize */ 177130f4b05bSDavid Gibson spapr_register_hypercall(H_RESIZE_HPT_PREPARE, h_resize_hpt_prepare); 177230f4b05bSDavid Gibson spapr_register_hypercall(H_RESIZE_HPT_COMMIT, h_resize_hpt_commit); 177330f4b05bSDavid Gibson 17749f64bd8aSPaolo Bonzini /* hcall-splpar */ 17759f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa); 17769f64bd8aSPaolo Bonzini spapr_register_hypercall(H_CEDE, h_cede); 17771c7ad77eSNicholas Piggin spapr_register_hypercall(H_SIGNAL_SYS_RESET, h_signal_sys_reset); 17789f64bd8aSPaolo Bonzini 1779423576f7SThomas Huth /* processor register resource access h-calls */ 1780423576f7SThomas Huth spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0); 1781af08a58fSThomas Huth spapr_register_hypercall(H_SET_DABR, h_set_dabr); 1782e49ff266SThomas Huth spapr_register_hypercall(H_SET_XDABR, h_set_xdabr); 17833240dd9aSThomas Huth spapr_register_hypercall(H_PAGE_INIT, h_page_init); 1784423576f7SThomas Huth spapr_register_hypercall(H_SET_MODE, h_set_mode); 1785423576f7SThomas Huth 1786d77a98b0SSuraj Jitindar Singh /* In Memory Table MMU h-calls */ 1787d77a98b0SSuraj Jitindar Singh spapr_register_hypercall(H_CLEAN_SLB, h_clean_slb); 1788d77a98b0SSuraj Jitindar Singh spapr_register_hypercall(H_INVALIDATE_PID, h_invalidate_pid); 1789d77a98b0SSuraj Jitindar Singh spapr_register_hypercall(H_REGISTER_PROC_TBL, h_register_process_table); 1790d77a98b0SSuraj Jitindar Singh 1791c59704b2SSuraj Jitindar Singh /* hcall-get-cpu-characteristics */ 1792c59704b2SSuraj Jitindar Singh spapr_register_hypercall(H_GET_CPU_CHARACTERISTICS, 1793c59704b2SSuraj Jitindar Singh h_get_cpu_characteristics); 1794c59704b2SSuraj Jitindar Singh 17959f64bd8aSPaolo Bonzini /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate 17969f64bd8aSPaolo Bonzini * here between the "CI" and the "CACHE" variants, they will use whatever 17979f64bd8aSPaolo Bonzini * mapping attributes qemu is using. When using KVM, the kernel will 17989f64bd8aSPaolo Bonzini * enforce the attributes more strongly 17999f64bd8aSPaolo Bonzini */ 18009f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load); 18019f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store); 18029f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load); 18039f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store); 18049f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi); 18059f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf); 18069f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop); 18079f64bd8aSPaolo Bonzini 18089f64bd8aSPaolo Bonzini /* qemu/KVM-PPC specific hcalls */ 18099f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas); 181042561bf2SAnton Blanchard 18112a6593cbSAlexey Kardashevskiy /* ibm,client-architecture-support support */ 18122a6593cbSAlexey Kardashevskiy spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support); 18139f64bd8aSPaolo Bonzini } 18149f64bd8aSPaolo Bonzini 18159f64bd8aSPaolo Bonzini type_init(hypercall_register_types) 1816