19f64bd8aSPaolo Bonzini #include "sysemu/sysemu.h" 29f64bd8aSPaolo Bonzini #include "cpu.h" 39f64bd8aSPaolo Bonzini #include "helper_regs.h" 40d09e41aSPaolo Bonzini #include "hw/ppc/spapr.h" 5d5aea6f3SDavid Gibson #include "mmu-hash64.h" 69f64bd8aSPaolo Bonzini 79f64bd8aSPaolo Bonzini static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r, 89f64bd8aSPaolo Bonzini target_ulong pte_index) 99f64bd8aSPaolo Bonzini { 109f64bd8aSPaolo Bonzini target_ulong rb, va_low; 119f64bd8aSPaolo Bonzini 129f64bd8aSPaolo Bonzini rb = (v & ~0x7fULL) << 16; /* AVA field */ 139f64bd8aSPaolo Bonzini va_low = pte_index >> 3; 14d5aea6f3SDavid Gibson if (v & HPTE64_V_SECONDARY) { 159f64bd8aSPaolo Bonzini va_low = ~va_low; 169f64bd8aSPaolo Bonzini } 179f64bd8aSPaolo Bonzini /* xor vsid from AVA */ 18d5aea6f3SDavid Gibson if (!(v & HPTE64_V_1TB_SEG)) { 199f64bd8aSPaolo Bonzini va_low ^= v >> 12; 209f64bd8aSPaolo Bonzini } else { 219f64bd8aSPaolo Bonzini va_low ^= v >> 24; 229f64bd8aSPaolo Bonzini } 239f64bd8aSPaolo Bonzini va_low &= 0x7ff; 24d5aea6f3SDavid Gibson if (v & HPTE64_V_LARGE) { 259f64bd8aSPaolo Bonzini rb |= 1; /* L field */ 269f64bd8aSPaolo Bonzini #if 0 /* Disable that P7 specific bit for now */ 279f64bd8aSPaolo Bonzini if (r & 0xff000) { 289f64bd8aSPaolo Bonzini /* non-16MB large page, must be 64k */ 299f64bd8aSPaolo Bonzini /* (masks depend on page size) */ 309f64bd8aSPaolo Bonzini rb |= 0x1000; /* page encoding in LP field */ 319f64bd8aSPaolo Bonzini rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */ 329f64bd8aSPaolo Bonzini rb |= (va_low & 0xfe); /* AVAL field */ 339f64bd8aSPaolo Bonzini } 349f64bd8aSPaolo Bonzini #endif 359f64bd8aSPaolo Bonzini } else { 369f64bd8aSPaolo Bonzini /* 4kB page */ 379f64bd8aSPaolo Bonzini rb |= (va_low & 0x7ff) << 12; /* remaining 11b of AVA */ 389f64bd8aSPaolo Bonzini } 399f64bd8aSPaolo Bonzini rb |= (v >> 54) & 0x300; /* B field */ 409f64bd8aSPaolo Bonzini return rb; 419f64bd8aSPaolo Bonzini } 429f64bd8aSPaolo Bonzini 43f3c75d42SAneesh Kumar K.V static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index) 44f3c75d42SAneesh Kumar K.V { 45f3c75d42SAneesh Kumar K.V /* 46f3c75d42SAneesh Kumar K.V * hash value/pteg group index is normalized by htab_mask 47f3c75d42SAneesh Kumar K.V */ 48f3c75d42SAneesh Kumar K.V if (((pte_index & ~7ULL) / HPTES_PER_GROUP) & ~env->htab_mask) { 49f3c75d42SAneesh Kumar K.V return false; 50f3c75d42SAneesh Kumar K.V } 51f3c75d42SAneesh Kumar K.V return true; 52f3c75d42SAneesh Kumar K.V } 53f3c75d42SAneesh Kumar K.V 549f64bd8aSPaolo Bonzini static target_ulong h_enter(PowerPCCPU *cpu, sPAPREnvironment *spapr, 559f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 569f64bd8aSPaolo Bonzini { 579f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 589f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 599f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 609f64bd8aSPaolo Bonzini target_ulong pteh = args[2]; 619f64bd8aSPaolo Bonzini target_ulong ptel = args[3]; 629f64bd8aSPaolo Bonzini target_ulong page_shift = 12; 639f64bd8aSPaolo Bonzini target_ulong raddr; 647c43bca0SAneesh Kumar K.V target_ulong index; 657c43bca0SAneesh Kumar K.V uint64_t token; 669f64bd8aSPaolo Bonzini 679f64bd8aSPaolo Bonzini /* only handle 4k and 16M pages for now */ 68d5aea6f3SDavid Gibson if (pteh & HPTE64_V_LARGE) { 699f64bd8aSPaolo Bonzini #if 0 /* We don't support 64k pages yet */ 709f64bd8aSPaolo Bonzini if ((ptel & 0xf000) == 0x1000) { 719f64bd8aSPaolo Bonzini /* 64k page */ 729f64bd8aSPaolo Bonzini } else 739f64bd8aSPaolo Bonzini #endif 749f64bd8aSPaolo Bonzini if ((ptel & 0xff000) == 0) { 759f64bd8aSPaolo Bonzini /* 16M page */ 769f64bd8aSPaolo Bonzini page_shift = 24; 779f64bd8aSPaolo Bonzini /* lowest AVA bit must be 0 for 16M pages */ 789f64bd8aSPaolo Bonzini if (pteh & 0x80) { 799f64bd8aSPaolo Bonzini return H_PARAMETER; 809f64bd8aSPaolo Bonzini } 819f64bd8aSPaolo Bonzini } else { 829f64bd8aSPaolo Bonzini return H_PARAMETER; 839f64bd8aSPaolo Bonzini } 849f64bd8aSPaolo Bonzini } 859f64bd8aSPaolo Bonzini 86d5aea6f3SDavid Gibson raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << page_shift) - 1); 879f64bd8aSPaolo Bonzini 889f64bd8aSPaolo Bonzini if (raddr < spapr->ram_limit) { 899f64bd8aSPaolo Bonzini /* Regular RAM - should have WIMG=0010 */ 90d5aea6f3SDavid Gibson if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) { 919f64bd8aSPaolo Bonzini return H_PARAMETER; 929f64bd8aSPaolo Bonzini } 939f64bd8aSPaolo Bonzini } else { 949f64bd8aSPaolo Bonzini /* Looks like an IO address */ 959f64bd8aSPaolo Bonzini /* FIXME: What WIMG combinations could be sensible for IO? 969f64bd8aSPaolo Bonzini * For now we allow WIMG=010x, but are there others? */ 979f64bd8aSPaolo Bonzini /* FIXME: Should we check against registered IO addresses? */ 98d5aea6f3SDavid Gibson if ((ptel & (HPTE64_R_W | HPTE64_R_I | HPTE64_R_M)) != HPTE64_R_I) { 999f64bd8aSPaolo Bonzini return H_PARAMETER; 1009f64bd8aSPaolo Bonzini } 1019f64bd8aSPaolo Bonzini } 1029f64bd8aSPaolo Bonzini 1039f64bd8aSPaolo Bonzini pteh &= ~0x60ULL; 1049f64bd8aSPaolo Bonzini 105f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 1069f64bd8aSPaolo Bonzini return H_PARAMETER; 1079f64bd8aSPaolo Bonzini } 1087c43bca0SAneesh Kumar K.V 1097c43bca0SAneesh Kumar K.V index = 0; 1109f64bd8aSPaolo Bonzini if (likely((flags & H_EXACT) == 0)) { 1119f64bd8aSPaolo Bonzini pte_index &= ~7ULL; 1127c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(cpu, pte_index); 1137c43bca0SAneesh Kumar K.V do { 1147c43bca0SAneesh Kumar K.V if (index == 8) { 1157c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1169f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1179f64bd8aSPaolo Bonzini } 1187c43bca0SAneesh Kumar K.V if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) == 0) { 1199f64bd8aSPaolo Bonzini break; 1209f64bd8aSPaolo Bonzini } 1217c43bca0SAneesh Kumar K.V } while (index++); 1227c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1239f64bd8aSPaolo Bonzini } else { 1247c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(cpu, pte_index); 1257c43bca0SAneesh Kumar K.V if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) { 1267c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1279f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1289f64bd8aSPaolo Bonzini } 1297c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1309f64bd8aSPaolo Bonzini } 1317c43bca0SAneesh Kumar K.V 1323f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index + index, 1333f94170bSAneesh Kumar K.V pteh | HPTE64_V_HPTE_DIRTY, ptel); 1349f64bd8aSPaolo Bonzini 1357c43bca0SAneesh Kumar K.V args[0] = pte_index + index; 1369f64bd8aSPaolo Bonzini return H_SUCCESS; 1379f64bd8aSPaolo Bonzini } 1389f64bd8aSPaolo Bonzini 139a3801402SStefan Weil typedef enum { 1409f64bd8aSPaolo Bonzini REMOVE_SUCCESS = 0, 1419f64bd8aSPaolo Bonzini REMOVE_NOT_FOUND = 1, 1429f64bd8aSPaolo Bonzini REMOVE_PARM = 2, 1439f64bd8aSPaolo Bonzini REMOVE_HW = 3, 144a3801402SStefan Weil } RemoveResult; 1459f64bd8aSPaolo Bonzini 146a3801402SStefan Weil static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex, 1479f64bd8aSPaolo Bonzini target_ulong avpn, 1489f64bd8aSPaolo Bonzini target_ulong flags, 1499f64bd8aSPaolo Bonzini target_ulong *vp, target_ulong *rp) 1509f64bd8aSPaolo Bonzini { 1517c43bca0SAneesh Kumar K.V uint64_t token; 1529f64bd8aSPaolo Bonzini target_ulong v, r, rb; 1539f64bd8aSPaolo Bonzini 154f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, ptex)) { 1559f64bd8aSPaolo Bonzini return REMOVE_PARM; 1569f64bd8aSPaolo Bonzini } 1579f64bd8aSPaolo Bonzini 1587c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(ppc_env_get_cpu(env), ptex); 1597c43bca0SAneesh Kumar K.V v = ppc_hash64_load_hpte0(env, token, 0); 1607c43bca0SAneesh Kumar K.V r = ppc_hash64_load_hpte1(env, token, 0); 1617c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1629f64bd8aSPaolo Bonzini 163d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 1649f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || 1659f64bd8aSPaolo Bonzini ((flags & H_ANDCOND) && (v & avpn) != 0)) { 1669f64bd8aSPaolo Bonzini return REMOVE_NOT_FOUND; 1679f64bd8aSPaolo Bonzini } 1689f64bd8aSPaolo Bonzini *vp = v; 1699f64bd8aSPaolo Bonzini *rp = r; 1703f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, ptex, HPTE64_V_HPTE_DIRTY, 0); 1719f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, ptex); 1729f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 1739f64bd8aSPaolo Bonzini return REMOVE_SUCCESS; 1749f64bd8aSPaolo Bonzini } 1759f64bd8aSPaolo Bonzini 1769f64bd8aSPaolo Bonzini static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 1779f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 1789f64bd8aSPaolo Bonzini { 1799f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 1809f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 1819f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 1829f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 183a3801402SStefan Weil RemoveResult ret; 1849f64bd8aSPaolo Bonzini 1859f64bd8aSPaolo Bonzini ret = remove_hpte(env, pte_index, avpn, flags, 1869f64bd8aSPaolo Bonzini &args[0], &args[1]); 1879f64bd8aSPaolo Bonzini 1889f64bd8aSPaolo Bonzini switch (ret) { 1899f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 1909f64bd8aSPaolo Bonzini return H_SUCCESS; 1919f64bd8aSPaolo Bonzini 1929f64bd8aSPaolo Bonzini case REMOVE_NOT_FOUND: 1939f64bd8aSPaolo Bonzini return H_NOT_FOUND; 1949f64bd8aSPaolo Bonzini 1959f64bd8aSPaolo Bonzini case REMOVE_PARM: 1969f64bd8aSPaolo Bonzini return H_PARAMETER; 1979f64bd8aSPaolo Bonzini 1989f64bd8aSPaolo Bonzini case REMOVE_HW: 1999f64bd8aSPaolo Bonzini return H_HARDWARE; 2009f64bd8aSPaolo Bonzini } 2019f64bd8aSPaolo Bonzini 2029a39970dSStefan Weil g_assert_not_reached(); 2039f64bd8aSPaolo Bonzini } 2049f64bd8aSPaolo Bonzini 2059f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL 2069f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL 2079f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL 2089f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_END 0xc000000000000000ULL 2099f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_CODE 0x3000000000000000ULL 2109f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL 2119f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL 2129f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PARM 0x2000000000000000ULL 2139f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_HW 0x3000000000000000ULL 2149f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RC 0x0c00000000000000ULL 2159f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL 2169f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL 2179f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL 2189f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL 2199f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL 2209f64bd8aSPaolo Bonzini 2219f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_MAX_BATCH 4 2229f64bd8aSPaolo Bonzini 2239f64bd8aSPaolo Bonzini static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2249f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2259f64bd8aSPaolo Bonzini { 2269f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2279f64bd8aSPaolo Bonzini int i; 2289f64bd8aSPaolo Bonzini 2299f64bd8aSPaolo Bonzini for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { 2309f64bd8aSPaolo Bonzini target_ulong *tsh = &args[i*2]; 2319f64bd8aSPaolo Bonzini target_ulong tsl = args[i*2 + 1]; 2329f64bd8aSPaolo Bonzini target_ulong v, r, ret; 2339f64bd8aSPaolo Bonzini 2349f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { 2359f64bd8aSPaolo Bonzini break; 2369f64bd8aSPaolo Bonzini } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { 2379f64bd8aSPaolo Bonzini return H_PARAMETER; 2389f64bd8aSPaolo Bonzini } 2399f64bd8aSPaolo Bonzini 2409f64bd8aSPaolo Bonzini *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; 2419f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_RESPONSE; 2429f64bd8aSPaolo Bonzini 2439f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { 2449f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_PARM; 2459f64bd8aSPaolo Bonzini return H_PARAMETER; 2469f64bd8aSPaolo Bonzini } 2479f64bd8aSPaolo Bonzini 2489f64bd8aSPaolo Bonzini ret = remove_hpte(env, *tsh & H_BULK_REMOVE_PTEX, tsl, 2499f64bd8aSPaolo Bonzini (*tsh & H_BULK_REMOVE_FLAGS) >> 26, 2509f64bd8aSPaolo Bonzini &v, &r); 2519f64bd8aSPaolo Bonzini 2529f64bd8aSPaolo Bonzini *tsh |= ret << 60; 2539f64bd8aSPaolo Bonzini 2549f64bd8aSPaolo Bonzini switch (ret) { 2559f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 256d5aea6f3SDavid Gibson *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; 2579f64bd8aSPaolo Bonzini break; 2589f64bd8aSPaolo Bonzini 2599f64bd8aSPaolo Bonzini case REMOVE_PARM: 2609f64bd8aSPaolo Bonzini return H_PARAMETER; 2619f64bd8aSPaolo Bonzini 2629f64bd8aSPaolo Bonzini case REMOVE_HW: 2639f64bd8aSPaolo Bonzini return H_HARDWARE; 2649f64bd8aSPaolo Bonzini } 2659f64bd8aSPaolo Bonzini } 2669f64bd8aSPaolo Bonzini 2679f64bd8aSPaolo Bonzini return H_SUCCESS; 2689f64bd8aSPaolo Bonzini } 2699f64bd8aSPaolo Bonzini 2709f64bd8aSPaolo Bonzini static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2719f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2729f64bd8aSPaolo Bonzini { 2739f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2749f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 2759f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 2769f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 2777c43bca0SAneesh Kumar K.V uint64_t token; 2789f64bd8aSPaolo Bonzini target_ulong v, r, rb; 2799f64bd8aSPaolo Bonzini 280f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 2819f64bd8aSPaolo Bonzini return H_PARAMETER; 2829f64bd8aSPaolo Bonzini } 2839f64bd8aSPaolo Bonzini 2847c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(cpu, pte_index); 2857c43bca0SAneesh Kumar K.V v = ppc_hash64_load_hpte0(env, token, 0); 2867c43bca0SAneesh Kumar K.V r = ppc_hash64_load_hpte1(env, token, 0); 2877c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 2889f64bd8aSPaolo Bonzini 289d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 2909f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { 2919f64bd8aSPaolo Bonzini return H_NOT_FOUND; 2929f64bd8aSPaolo Bonzini } 2939f64bd8aSPaolo Bonzini 294d5aea6f3SDavid Gibson r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | 295d5aea6f3SDavid Gibson HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); 296d5aea6f3SDavid Gibson r |= (flags << 55) & HPTE64_R_PP0; 297d5aea6f3SDavid Gibson r |= (flags << 48) & HPTE64_R_KEY_HI; 298d5aea6f3SDavid Gibson r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); 2999f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, pte_index); 3003f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index, 3013f94170bSAneesh Kumar K.V (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); 3029f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 3039f64bd8aSPaolo Bonzini /* Don't need a memory barrier, due to qemu's global lock */ 3043f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index, v | HPTE64_V_HPTE_DIRTY, r); 3059f64bd8aSPaolo Bonzini return H_SUCCESS; 3069f64bd8aSPaolo Bonzini } 3079f64bd8aSPaolo Bonzini 308fa388916SAnthony Liguori static target_ulong h_read(PowerPCCPU *cpu, sPAPREnvironment *spapr, 309fa388916SAnthony Liguori target_ulong opcode, target_ulong *args) 310fa388916SAnthony Liguori { 311fa388916SAnthony Liguori CPUPPCState *env = &cpu->env; 312fa388916SAnthony Liguori target_ulong flags = args[0]; 313fa388916SAnthony Liguori target_ulong pte_index = args[1]; 314fa388916SAnthony Liguori uint8_t *hpte; 315fa388916SAnthony Liguori int i, ridx, n_entries = 1; 316fa388916SAnthony Liguori 317f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 318fa388916SAnthony Liguori return H_PARAMETER; 319fa388916SAnthony Liguori } 320fa388916SAnthony Liguori 321fa388916SAnthony Liguori if (flags & H_READ_4) { 322fa388916SAnthony Liguori /* Clear the two low order bits */ 323fa388916SAnthony Liguori pte_index &= ~(3ULL); 324fa388916SAnthony Liguori n_entries = 4; 325fa388916SAnthony Liguori } 326fa388916SAnthony Liguori 327fa388916SAnthony Liguori hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); 328fa388916SAnthony Liguori 329fa388916SAnthony Liguori for (i = 0, ridx = 0; i < n_entries; i++) { 330fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte); 331fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); 332fa388916SAnthony Liguori hpte += HASH_PTE_SIZE_64; 333fa388916SAnthony Liguori } 334fa388916SAnthony Liguori 335fa388916SAnthony Liguori return H_SUCCESS; 336fa388916SAnthony Liguori } 337fa388916SAnthony Liguori 3389f64bd8aSPaolo Bonzini static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPREnvironment *spapr, 3399f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 3409f64bd8aSPaolo Bonzini { 3419f64bd8aSPaolo Bonzini /* FIXME: actually implement this */ 3429f64bd8aSPaolo Bonzini return H_HARDWARE; 3439f64bd8aSPaolo Bonzini } 3449f64bd8aSPaolo Bonzini 3459f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_VPA 0x0000200000000000ULL 3469f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_DTL 0x0000400000000000ULL 3479f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL 3489f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL 3499f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL 3509f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL 3519f64bd8aSPaolo Bonzini 3529f64bd8aSPaolo Bonzini #define VPA_MIN_SIZE 640 3539f64bd8aSPaolo Bonzini #define VPA_SIZE_OFFSET 0x4 3549f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_OFFSET 0x9 3559f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_VAL 0x2 3569f64bd8aSPaolo Bonzini 3579f64bd8aSPaolo Bonzini static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) 3589f64bd8aSPaolo Bonzini { 359*33276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 3609f64bd8aSPaolo Bonzini uint16_t size; 3619f64bd8aSPaolo Bonzini uint8_t tmp; 3629f64bd8aSPaolo Bonzini 3639f64bd8aSPaolo Bonzini if (vpa == 0) { 3649f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with registering a VPA at logical 0\n"); 3659f64bd8aSPaolo Bonzini return H_HARDWARE; 3669f64bd8aSPaolo Bonzini } 3679f64bd8aSPaolo Bonzini 3689f64bd8aSPaolo Bonzini if (vpa % env->dcache_line_size) { 3699f64bd8aSPaolo Bonzini return H_PARAMETER; 3709f64bd8aSPaolo Bonzini } 3719f64bd8aSPaolo Bonzini /* FIXME: bounds check the address */ 3729f64bd8aSPaolo Bonzini 37341701aa4SEdgar E. Iglesias size = lduw_be_phys(cs->as, vpa + 0x4); 3749f64bd8aSPaolo Bonzini 3759f64bd8aSPaolo Bonzini if (size < VPA_MIN_SIZE) { 3769f64bd8aSPaolo Bonzini return H_PARAMETER; 3779f64bd8aSPaolo Bonzini } 3789f64bd8aSPaolo Bonzini 3799f64bd8aSPaolo Bonzini /* VPA is not allowed to cross a page boundary */ 3809f64bd8aSPaolo Bonzini if ((vpa / 4096) != ((vpa + size - 1) / 4096)) { 3819f64bd8aSPaolo Bonzini return H_PARAMETER; 3829f64bd8aSPaolo Bonzini } 3839f64bd8aSPaolo Bonzini 3849f64bd8aSPaolo Bonzini env->vpa_addr = vpa; 3859f64bd8aSPaolo Bonzini 3862c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET); 3879f64bd8aSPaolo Bonzini tmp |= VPA_SHARED_PROC_VAL; 388db3be60dSEdgar E. Iglesias stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); 3899f64bd8aSPaolo Bonzini 3909f64bd8aSPaolo Bonzini return H_SUCCESS; 3919f64bd8aSPaolo Bonzini } 3929f64bd8aSPaolo Bonzini 3939f64bd8aSPaolo Bonzini static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) 3949f64bd8aSPaolo Bonzini { 3959f64bd8aSPaolo Bonzini if (env->slb_shadow_addr) { 3969f64bd8aSPaolo Bonzini return H_RESOURCE; 3979f64bd8aSPaolo Bonzini } 3989f64bd8aSPaolo Bonzini 3999f64bd8aSPaolo Bonzini if (env->dtl_addr) { 4009f64bd8aSPaolo Bonzini return H_RESOURCE; 4019f64bd8aSPaolo Bonzini } 4029f64bd8aSPaolo Bonzini 4039f64bd8aSPaolo Bonzini env->vpa_addr = 0; 4049f64bd8aSPaolo Bonzini return H_SUCCESS; 4059f64bd8aSPaolo Bonzini } 4069f64bd8aSPaolo Bonzini 4079f64bd8aSPaolo Bonzini static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) 4089f64bd8aSPaolo Bonzini { 409*33276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 4109f64bd8aSPaolo Bonzini uint32_t size; 4119f64bd8aSPaolo Bonzini 4129f64bd8aSPaolo Bonzini if (addr == 0) { 4139f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with SLB shadow at logical 0\n"); 4149f64bd8aSPaolo Bonzini return H_HARDWARE; 4159f64bd8aSPaolo Bonzini } 4169f64bd8aSPaolo Bonzini 417fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4189f64bd8aSPaolo Bonzini if (size < 0x8) { 4199f64bd8aSPaolo Bonzini return H_PARAMETER; 4209f64bd8aSPaolo Bonzini } 4219f64bd8aSPaolo Bonzini 4229f64bd8aSPaolo Bonzini if ((addr / 4096) != ((addr + size - 1) / 4096)) { 4239f64bd8aSPaolo Bonzini return H_PARAMETER; 4249f64bd8aSPaolo Bonzini } 4259f64bd8aSPaolo Bonzini 4269f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4279f64bd8aSPaolo Bonzini return H_RESOURCE; 4289f64bd8aSPaolo Bonzini } 4299f64bd8aSPaolo Bonzini 4309f64bd8aSPaolo Bonzini env->slb_shadow_addr = addr; 4319f64bd8aSPaolo Bonzini env->slb_shadow_size = size; 4329f64bd8aSPaolo Bonzini 4339f64bd8aSPaolo Bonzini return H_SUCCESS; 4349f64bd8aSPaolo Bonzini } 4359f64bd8aSPaolo Bonzini 4369f64bd8aSPaolo Bonzini static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) 4379f64bd8aSPaolo Bonzini { 4389f64bd8aSPaolo Bonzini env->slb_shadow_addr = 0; 4399f64bd8aSPaolo Bonzini env->slb_shadow_size = 0; 4409f64bd8aSPaolo Bonzini return H_SUCCESS; 4419f64bd8aSPaolo Bonzini } 4429f64bd8aSPaolo Bonzini 4439f64bd8aSPaolo Bonzini static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) 4449f64bd8aSPaolo Bonzini { 445*33276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 4469f64bd8aSPaolo Bonzini uint32_t size; 4479f64bd8aSPaolo Bonzini 4489f64bd8aSPaolo Bonzini if (addr == 0) { 4499f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with DTL at logical 0\n"); 4509f64bd8aSPaolo Bonzini return H_HARDWARE; 4519f64bd8aSPaolo Bonzini } 4529f64bd8aSPaolo Bonzini 453fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4549f64bd8aSPaolo Bonzini 4559f64bd8aSPaolo Bonzini if (size < 48) { 4569f64bd8aSPaolo Bonzini return H_PARAMETER; 4579f64bd8aSPaolo Bonzini } 4589f64bd8aSPaolo Bonzini 4599f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4609f64bd8aSPaolo Bonzini return H_RESOURCE; 4619f64bd8aSPaolo Bonzini } 4629f64bd8aSPaolo Bonzini 4639f64bd8aSPaolo Bonzini env->dtl_addr = addr; 4649f64bd8aSPaolo Bonzini env->dtl_size = size; 4659f64bd8aSPaolo Bonzini 4669f64bd8aSPaolo Bonzini return H_SUCCESS; 4679f64bd8aSPaolo Bonzini } 4689f64bd8aSPaolo Bonzini 4699f64bd8aSPaolo Bonzini static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) 4709f64bd8aSPaolo Bonzini { 4719f64bd8aSPaolo Bonzini env->dtl_addr = 0; 4729f64bd8aSPaolo Bonzini env->dtl_size = 0; 4739f64bd8aSPaolo Bonzini 4749f64bd8aSPaolo Bonzini return H_SUCCESS; 4759f64bd8aSPaolo Bonzini } 4769f64bd8aSPaolo Bonzini 4779f64bd8aSPaolo Bonzini static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPREnvironment *spapr, 4789f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 4799f64bd8aSPaolo Bonzini { 4809f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 4819f64bd8aSPaolo Bonzini target_ulong procno = args[1]; 4829f64bd8aSPaolo Bonzini target_ulong vpa = args[2]; 4839f64bd8aSPaolo Bonzini target_ulong ret = H_PARAMETER; 4849f64bd8aSPaolo Bonzini CPUPPCState *tenv; 4850f20ba62SAlexey Kardashevskiy PowerPCCPU *tcpu; 4869f64bd8aSPaolo Bonzini 4870f20ba62SAlexey Kardashevskiy tcpu = ppc_get_vcpu_by_dt_id(procno); 4889f64bd8aSPaolo Bonzini if (!tcpu) { 4899f64bd8aSPaolo Bonzini return H_PARAMETER; 4909f64bd8aSPaolo Bonzini } 4910f20ba62SAlexey Kardashevskiy tenv = &tcpu->env; 4929f64bd8aSPaolo Bonzini 4939f64bd8aSPaolo Bonzini switch (flags) { 4949f64bd8aSPaolo Bonzini case FLAGS_REGISTER_VPA: 4959f64bd8aSPaolo Bonzini ret = register_vpa(tenv, vpa); 4969f64bd8aSPaolo Bonzini break; 4979f64bd8aSPaolo Bonzini 4989f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_VPA: 4999f64bd8aSPaolo Bonzini ret = deregister_vpa(tenv, vpa); 5009f64bd8aSPaolo Bonzini break; 5019f64bd8aSPaolo Bonzini 5029f64bd8aSPaolo Bonzini case FLAGS_REGISTER_SLBSHADOW: 5039f64bd8aSPaolo Bonzini ret = register_slb_shadow(tenv, vpa); 5049f64bd8aSPaolo Bonzini break; 5059f64bd8aSPaolo Bonzini 5069f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_SLBSHADOW: 5079f64bd8aSPaolo Bonzini ret = deregister_slb_shadow(tenv, vpa); 5089f64bd8aSPaolo Bonzini break; 5099f64bd8aSPaolo Bonzini 5109f64bd8aSPaolo Bonzini case FLAGS_REGISTER_DTL: 5119f64bd8aSPaolo Bonzini ret = register_dtl(tenv, vpa); 5129f64bd8aSPaolo Bonzini break; 5139f64bd8aSPaolo Bonzini 5149f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_DTL: 5159f64bd8aSPaolo Bonzini ret = deregister_dtl(tenv, vpa); 5169f64bd8aSPaolo Bonzini break; 5179f64bd8aSPaolo Bonzini } 5189f64bd8aSPaolo Bonzini 5199f64bd8aSPaolo Bonzini return ret; 5209f64bd8aSPaolo Bonzini } 5219f64bd8aSPaolo Bonzini 5229f64bd8aSPaolo Bonzini static target_ulong h_cede(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5239f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5249f64bd8aSPaolo Bonzini { 5259f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 5269f64bd8aSPaolo Bonzini CPUState *cs = CPU(cpu); 5279f64bd8aSPaolo Bonzini 5289f64bd8aSPaolo Bonzini env->msr |= (1ULL << MSR_EE); 5299f64bd8aSPaolo Bonzini hreg_compute_hflags(env); 5309f64bd8aSPaolo Bonzini if (!cpu_has_work(cs)) { 531259186a7SAndreas Färber cs->halted = 1; 5329f64bd8aSPaolo Bonzini env->exception_index = EXCP_HLT; 5339f64bd8aSPaolo Bonzini cs->exit_request = 1; 5349f64bd8aSPaolo Bonzini } 5359f64bd8aSPaolo Bonzini return H_SUCCESS; 5369f64bd8aSPaolo Bonzini } 5379f64bd8aSPaolo Bonzini 5389f64bd8aSPaolo Bonzini static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5399f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5409f64bd8aSPaolo Bonzini { 5419f64bd8aSPaolo Bonzini target_ulong rtas_r3 = args[0]; 5424fe822e0SAlexey Kardashevskiy uint32_t token = rtas_ld(rtas_r3, 0); 5434fe822e0SAlexey Kardashevskiy uint32_t nargs = rtas_ld(rtas_r3, 1); 5444fe822e0SAlexey Kardashevskiy uint32_t nret = rtas_ld(rtas_r3, 2); 5459f64bd8aSPaolo Bonzini 546210b580bSAnthony Liguori return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12, 5479f64bd8aSPaolo Bonzini nret, rtas_r3 + 12 + 4*nargs); 5489f64bd8aSPaolo Bonzini } 5499f64bd8aSPaolo Bonzini 5509f64bd8aSPaolo Bonzini static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5519f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5529f64bd8aSPaolo Bonzini { 553fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 5549f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5559f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5569f64bd8aSPaolo Bonzini 5579f64bd8aSPaolo Bonzini switch (size) { 5589f64bd8aSPaolo Bonzini case 1: 5592c17449bSEdgar E. Iglesias args[0] = ldub_phys(cs->as, addr); 5609f64bd8aSPaolo Bonzini return H_SUCCESS; 5619f64bd8aSPaolo Bonzini case 2: 56241701aa4SEdgar E. Iglesias args[0] = lduw_phys(cs->as, addr); 5639f64bd8aSPaolo Bonzini return H_SUCCESS; 5649f64bd8aSPaolo Bonzini case 4: 565fdfba1a2SEdgar E. Iglesias args[0] = ldl_phys(cs->as, addr); 5669f64bd8aSPaolo Bonzini return H_SUCCESS; 5679f64bd8aSPaolo Bonzini case 8: 5682c17449bSEdgar E. Iglesias args[0] = ldq_phys(cs->as, addr); 5699f64bd8aSPaolo Bonzini return H_SUCCESS; 5709f64bd8aSPaolo Bonzini } 5719f64bd8aSPaolo Bonzini return H_PARAMETER; 5729f64bd8aSPaolo Bonzini } 5739f64bd8aSPaolo Bonzini 5749f64bd8aSPaolo Bonzini static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5759f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5769f64bd8aSPaolo Bonzini { 577f606604fSEdgar E. Iglesias CPUState *cs = CPU(cpu); 578f606604fSEdgar E. Iglesias 5799f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5809f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5819f64bd8aSPaolo Bonzini target_ulong val = args[2]; 5829f64bd8aSPaolo Bonzini 5839f64bd8aSPaolo Bonzini switch (size) { 5849f64bd8aSPaolo Bonzini case 1: 585db3be60dSEdgar E. Iglesias stb_phys(cs->as, addr, val); 5869f64bd8aSPaolo Bonzini return H_SUCCESS; 5879f64bd8aSPaolo Bonzini case 2: 5885ce5944dSEdgar E. Iglesias stw_phys(cs->as, addr, val); 5899f64bd8aSPaolo Bonzini return H_SUCCESS; 5909f64bd8aSPaolo Bonzini case 4: 591ab1da857SEdgar E. Iglesias stl_phys(cs->as, addr, val); 5929f64bd8aSPaolo Bonzini return H_SUCCESS; 5939f64bd8aSPaolo Bonzini case 8: 594f606604fSEdgar E. Iglesias stq_phys(cs->as, addr, val); 5959f64bd8aSPaolo Bonzini return H_SUCCESS; 5969f64bd8aSPaolo Bonzini } 5979f64bd8aSPaolo Bonzini return H_PARAMETER; 5989f64bd8aSPaolo Bonzini } 5999f64bd8aSPaolo Bonzini 6009f64bd8aSPaolo Bonzini static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6019f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6029f64bd8aSPaolo Bonzini { 603fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 604fdfba1a2SEdgar E. Iglesias 6059f64bd8aSPaolo Bonzini target_ulong dst = args[0]; /* Destination address */ 6069f64bd8aSPaolo Bonzini target_ulong src = args[1]; /* Source address */ 6079f64bd8aSPaolo Bonzini target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */ 6089f64bd8aSPaolo Bonzini target_ulong count = args[3]; /* Element count */ 6099f64bd8aSPaolo Bonzini target_ulong op = args[4]; /* 0 = copy, 1 = invert */ 6109f64bd8aSPaolo Bonzini uint64_t tmp; 6119f64bd8aSPaolo Bonzini unsigned int mask = (1 << esize) - 1; 6129f64bd8aSPaolo Bonzini int step = 1 << esize; 6139f64bd8aSPaolo Bonzini 6149f64bd8aSPaolo Bonzini if (count > 0x80000000) { 6159f64bd8aSPaolo Bonzini return H_PARAMETER; 6169f64bd8aSPaolo Bonzini } 6179f64bd8aSPaolo Bonzini 6189f64bd8aSPaolo Bonzini if ((dst & mask) || (src & mask) || (op > 1)) { 6199f64bd8aSPaolo Bonzini return H_PARAMETER; 6209f64bd8aSPaolo Bonzini } 6219f64bd8aSPaolo Bonzini 6229f64bd8aSPaolo Bonzini if (dst >= src && dst < (src + (count << esize))) { 6239f64bd8aSPaolo Bonzini dst = dst + ((count - 1) << esize); 6249f64bd8aSPaolo Bonzini src = src + ((count - 1) << esize); 6259f64bd8aSPaolo Bonzini step = -step; 6269f64bd8aSPaolo Bonzini } 6279f64bd8aSPaolo Bonzini 6289f64bd8aSPaolo Bonzini while (count--) { 6299f64bd8aSPaolo Bonzini switch (esize) { 6309f64bd8aSPaolo Bonzini case 0: 6312c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, src); 6329f64bd8aSPaolo Bonzini break; 6339f64bd8aSPaolo Bonzini case 1: 63441701aa4SEdgar E. Iglesias tmp = lduw_phys(cs->as, src); 6359f64bd8aSPaolo Bonzini break; 6369f64bd8aSPaolo Bonzini case 2: 637fdfba1a2SEdgar E. Iglesias tmp = ldl_phys(cs->as, src); 6389f64bd8aSPaolo Bonzini break; 6399f64bd8aSPaolo Bonzini case 3: 6402c17449bSEdgar E. Iglesias tmp = ldq_phys(cs->as, src); 6419f64bd8aSPaolo Bonzini break; 6429f64bd8aSPaolo Bonzini default: 6439f64bd8aSPaolo Bonzini return H_PARAMETER; 6449f64bd8aSPaolo Bonzini } 6459f64bd8aSPaolo Bonzini if (op == 1) { 6469f64bd8aSPaolo Bonzini tmp = ~tmp; 6479f64bd8aSPaolo Bonzini } 6489f64bd8aSPaolo Bonzini switch (esize) { 6499f64bd8aSPaolo Bonzini case 0: 650db3be60dSEdgar E. Iglesias stb_phys(cs->as, dst, tmp); 6519f64bd8aSPaolo Bonzini break; 6529f64bd8aSPaolo Bonzini case 1: 6535ce5944dSEdgar E. Iglesias stw_phys(cs->as, dst, tmp); 6549f64bd8aSPaolo Bonzini break; 6559f64bd8aSPaolo Bonzini case 2: 656ab1da857SEdgar E. Iglesias stl_phys(cs->as, dst, tmp); 6579f64bd8aSPaolo Bonzini break; 6589f64bd8aSPaolo Bonzini case 3: 659f606604fSEdgar E. Iglesias stq_phys(cs->as, dst, tmp); 6609f64bd8aSPaolo Bonzini break; 6619f64bd8aSPaolo Bonzini } 6629f64bd8aSPaolo Bonzini dst = dst + step; 6639f64bd8aSPaolo Bonzini src = src + step; 6649f64bd8aSPaolo Bonzini } 6659f64bd8aSPaolo Bonzini 6669f64bd8aSPaolo Bonzini return H_SUCCESS; 6679f64bd8aSPaolo Bonzini } 6689f64bd8aSPaolo Bonzini 6699f64bd8aSPaolo Bonzini static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6709f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6719f64bd8aSPaolo Bonzini { 6729f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6739f64bd8aSPaolo Bonzini return H_SUCCESS; 6749f64bd8aSPaolo Bonzini } 6759f64bd8aSPaolo Bonzini 6769f64bd8aSPaolo Bonzini static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6779f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6789f64bd8aSPaolo Bonzini { 6799f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6809f64bd8aSPaolo Bonzini return H_SUCCESS; 6819f64bd8aSPaolo Bonzini } 6829f64bd8aSPaolo Bonzini 68342561bf2SAnton Blanchard static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr, 68442561bf2SAnton Blanchard target_ulong opcode, target_ulong *args) 68542561bf2SAnton Blanchard { 68642561bf2SAnton Blanchard CPUState *cs; 68742561bf2SAnton Blanchard target_ulong mflags = args[0]; 68842561bf2SAnton Blanchard target_ulong resource = args[1]; 68942561bf2SAnton Blanchard target_ulong value1 = args[2]; 69042561bf2SAnton Blanchard target_ulong value2 = args[3]; 69142561bf2SAnton Blanchard target_ulong ret = H_P2; 69242561bf2SAnton Blanchard 69342561bf2SAnton Blanchard if (resource == H_SET_MODE_ENDIAN) { 69442561bf2SAnton Blanchard if (value1) { 69542561bf2SAnton Blanchard ret = H_P3; 69642561bf2SAnton Blanchard goto out; 69742561bf2SAnton Blanchard } 69842561bf2SAnton Blanchard if (value2) { 69942561bf2SAnton Blanchard ret = H_P4; 70042561bf2SAnton Blanchard goto out; 70142561bf2SAnton Blanchard } 70242561bf2SAnton Blanchard 70342561bf2SAnton Blanchard switch (mflags) { 70442561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_BIG: 705bdc44640SAndreas Färber CPU_FOREACH(cs) { 70642561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 70742561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 70842561bf2SAnton Blanchard env->spr[SPR_LPCR] &= ~LPCR_ILE; 70942561bf2SAnton Blanchard } 71042561bf2SAnton Blanchard ret = H_SUCCESS; 71142561bf2SAnton Blanchard break; 71242561bf2SAnton Blanchard 71342561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_LITTLE: 714bdc44640SAndreas Färber CPU_FOREACH(cs) { 71542561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 71642561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 71742561bf2SAnton Blanchard env->spr[SPR_LPCR] |= LPCR_ILE; 71842561bf2SAnton Blanchard } 71942561bf2SAnton Blanchard ret = H_SUCCESS; 72042561bf2SAnton Blanchard break; 72142561bf2SAnton Blanchard 72242561bf2SAnton Blanchard default: 72342561bf2SAnton Blanchard ret = H_UNSUPPORTED_FLAG; 72442561bf2SAnton Blanchard } 72542561bf2SAnton Blanchard } 72642561bf2SAnton Blanchard 72742561bf2SAnton Blanchard out: 72842561bf2SAnton Blanchard return ret; 72942561bf2SAnton Blanchard } 73042561bf2SAnton Blanchard 7319f64bd8aSPaolo Bonzini static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1]; 7329f64bd8aSPaolo Bonzini static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1]; 7339f64bd8aSPaolo Bonzini 7349f64bd8aSPaolo Bonzini void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) 7359f64bd8aSPaolo Bonzini { 7369f64bd8aSPaolo Bonzini spapr_hcall_fn *slot; 7379f64bd8aSPaolo Bonzini 7389f64bd8aSPaolo Bonzini if (opcode <= MAX_HCALL_OPCODE) { 7399f64bd8aSPaolo Bonzini assert((opcode & 0x3) == 0); 7409f64bd8aSPaolo Bonzini 7419f64bd8aSPaolo Bonzini slot = &papr_hypercall_table[opcode / 4]; 7429f64bd8aSPaolo Bonzini } else { 7439f64bd8aSPaolo Bonzini assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); 7449f64bd8aSPaolo Bonzini 7459f64bd8aSPaolo Bonzini slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7469f64bd8aSPaolo Bonzini } 7479f64bd8aSPaolo Bonzini 7489f64bd8aSPaolo Bonzini assert(!(*slot)); 7499f64bd8aSPaolo Bonzini *slot = fn; 7509f64bd8aSPaolo Bonzini } 7519f64bd8aSPaolo Bonzini 7529f64bd8aSPaolo Bonzini target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, 7539f64bd8aSPaolo Bonzini target_ulong *args) 7549f64bd8aSPaolo Bonzini { 7559f64bd8aSPaolo Bonzini if ((opcode <= MAX_HCALL_OPCODE) 7569f64bd8aSPaolo Bonzini && ((opcode & 0x3) == 0)) { 7579f64bd8aSPaolo Bonzini spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; 7589f64bd8aSPaolo Bonzini 7599f64bd8aSPaolo Bonzini if (fn) { 7609f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7619f64bd8aSPaolo Bonzini } 7629f64bd8aSPaolo Bonzini } else if ((opcode >= KVMPPC_HCALL_BASE) && 7639f64bd8aSPaolo Bonzini (opcode <= KVMPPC_HCALL_MAX)) { 7649f64bd8aSPaolo Bonzini spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7659f64bd8aSPaolo Bonzini 7669f64bd8aSPaolo Bonzini if (fn) { 7679f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7689f64bd8aSPaolo Bonzini } 7699f64bd8aSPaolo Bonzini } 7709f64bd8aSPaolo Bonzini 7719f64bd8aSPaolo Bonzini hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode); 7729f64bd8aSPaolo Bonzini return H_FUNCTION; 7739f64bd8aSPaolo Bonzini } 7749f64bd8aSPaolo Bonzini 7759f64bd8aSPaolo Bonzini static void hypercall_register_types(void) 7769f64bd8aSPaolo Bonzini { 7779f64bd8aSPaolo Bonzini /* hcall-pft */ 7789f64bd8aSPaolo Bonzini spapr_register_hypercall(H_ENTER, h_enter); 7799f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REMOVE, h_remove); 7809f64bd8aSPaolo Bonzini spapr_register_hypercall(H_PROTECT, h_protect); 781fa388916SAnthony Liguori spapr_register_hypercall(H_READ, h_read); 7829f64bd8aSPaolo Bonzini 7839f64bd8aSPaolo Bonzini /* hcall-bulk */ 7849f64bd8aSPaolo Bonzini spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); 7859f64bd8aSPaolo Bonzini 7869f64bd8aSPaolo Bonzini /* hcall-dabr */ 7879f64bd8aSPaolo Bonzini spapr_register_hypercall(H_SET_DABR, h_set_dabr); 7889f64bd8aSPaolo Bonzini 7899f64bd8aSPaolo Bonzini /* hcall-splpar */ 7909f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa); 7919f64bd8aSPaolo Bonzini spapr_register_hypercall(H_CEDE, h_cede); 7929f64bd8aSPaolo Bonzini 7939f64bd8aSPaolo Bonzini /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate 7949f64bd8aSPaolo Bonzini * here between the "CI" and the "CACHE" variants, they will use whatever 7959f64bd8aSPaolo Bonzini * mapping attributes qemu is using. When using KVM, the kernel will 7969f64bd8aSPaolo Bonzini * enforce the attributes more strongly 7979f64bd8aSPaolo Bonzini */ 7989f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load); 7999f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store); 8009f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load); 8019f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store); 8029f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi); 8039f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf); 8049f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop); 8059f64bd8aSPaolo Bonzini 8069f64bd8aSPaolo Bonzini /* qemu/KVM-PPC specific hcalls */ 8079f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas); 80842561bf2SAnton Blanchard 80942561bf2SAnton Blanchard spapr_register_hypercall(H_SET_MODE, h_set_mode); 8109f64bd8aSPaolo Bonzini } 8119f64bd8aSPaolo Bonzini 8129f64bd8aSPaolo Bonzini type_init(hypercall_register_types) 813