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 43*f3c75d42SAneesh Kumar K.V static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index) 44*f3c75d42SAneesh Kumar K.V { 45*f3c75d42SAneesh Kumar K.V /* 46*f3c75d42SAneesh Kumar K.V * hash value/pteg group index is normalized by htab_mask 47*f3c75d42SAneesh Kumar K.V */ 48*f3c75d42SAneesh Kumar K.V if (((pte_index & ~7ULL) / HPTES_PER_GROUP) & ~env->htab_mask) { 49*f3c75d42SAneesh Kumar K.V return false; 50*f3c75d42SAneesh Kumar K.V } 51*f3c75d42SAneesh Kumar K.V return true; 52*f3c75d42SAneesh Kumar K.V } 53*f3c75d42SAneesh 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; 649f64bd8aSPaolo Bonzini target_ulong i; 65dffdaf61SDavid Gibson hwaddr hpte; 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 105*f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 1069f64bd8aSPaolo Bonzini return H_PARAMETER; 1079f64bd8aSPaolo Bonzini } 1089f64bd8aSPaolo Bonzini if (likely((flags & H_EXACT) == 0)) { 1099f64bd8aSPaolo Bonzini pte_index &= ~7ULL; 110dffdaf61SDavid Gibson hpte = pte_index * HASH_PTE_SIZE_64; 1119f64bd8aSPaolo Bonzini for (i = 0; ; ++i) { 1129f64bd8aSPaolo Bonzini if (i == 8) { 1139f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1149f64bd8aSPaolo Bonzini } 115dffdaf61SDavid Gibson if ((ppc_hash64_load_hpte0(env, hpte) & HPTE64_V_VALID) == 0) { 1169f64bd8aSPaolo Bonzini break; 1179f64bd8aSPaolo Bonzini } 1189f64bd8aSPaolo Bonzini hpte += HASH_PTE_SIZE_64; 1199f64bd8aSPaolo Bonzini } 1209f64bd8aSPaolo Bonzini } else { 1219f64bd8aSPaolo Bonzini i = 0; 122dffdaf61SDavid Gibson hpte = pte_index * HASH_PTE_SIZE_64; 123dffdaf61SDavid Gibson if (ppc_hash64_load_hpte0(env, hpte) & HPTE64_V_VALID) { 1249f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1259f64bd8aSPaolo Bonzini } 1269f64bd8aSPaolo Bonzini } 127dffdaf61SDavid Gibson ppc_hash64_store_hpte1(env, hpte, ptel); 1289f64bd8aSPaolo Bonzini /* eieio(); FIXME: need some sort of barrier for smp? */ 1294be21d56SDavid Gibson ppc_hash64_store_hpte0(env, hpte, pteh | HPTE64_V_HPTE_DIRTY); 1309f64bd8aSPaolo Bonzini 1319f64bd8aSPaolo Bonzini args[0] = pte_index + i; 1329f64bd8aSPaolo Bonzini return H_SUCCESS; 1339f64bd8aSPaolo Bonzini } 1349f64bd8aSPaolo Bonzini 135a3801402SStefan Weil typedef enum { 1369f64bd8aSPaolo Bonzini REMOVE_SUCCESS = 0, 1379f64bd8aSPaolo Bonzini REMOVE_NOT_FOUND = 1, 1389f64bd8aSPaolo Bonzini REMOVE_PARM = 2, 1399f64bd8aSPaolo Bonzini REMOVE_HW = 3, 140a3801402SStefan Weil } RemoveResult; 1419f64bd8aSPaolo Bonzini 142a3801402SStefan Weil static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex, 1439f64bd8aSPaolo Bonzini target_ulong avpn, 1449f64bd8aSPaolo Bonzini target_ulong flags, 1459f64bd8aSPaolo Bonzini target_ulong *vp, target_ulong *rp) 1469f64bd8aSPaolo Bonzini { 147dffdaf61SDavid Gibson hwaddr hpte; 1489f64bd8aSPaolo Bonzini target_ulong v, r, rb; 1499f64bd8aSPaolo Bonzini 150*f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, ptex)) { 1519f64bd8aSPaolo Bonzini return REMOVE_PARM; 1529f64bd8aSPaolo Bonzini } 1539f64bd8aSPaolo Bonzini 154dffdaf61SDavid Gibson hpte = ptex * HASH_PTE_SIZE_64; 1559f64bd8aSPaolo Bonzini 156dffdaf61SDavid Gibson v = ppc_hash64_load_hpte0(env, hpte); 157dffdaf61SDavid Gibson r = ppc_hash64_load_hpte1(env, hpte); 1589f64bd8aSPaolo Bonzini 159d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 1609f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || 1619f64bd8aSPaolo Bonzini ((flags & H_ANDCOND) && (v & avpn) != 0)) { 1629f64bd8aSPaolo Bonzini return REMOVE_NOT_FOUND; 1639f64bd8aSPaolo Bonzini } 1649f64bd8aSPaolo Bonzini *vp = v; 1659f64bd8aSPaolo Bonzini *rp = r; 1664be21d56SDavid Gibson ppc_hash64_store_hpte0(env, hpte, HPTE64_V_HPTE_DIRTY); 1679f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, ptex); 1689f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 1699f64bd8aSPaolo Bonzini return REMOVE_SUCCESS; 1709f64bd8aSPaolo Bonzini } 1719f64bd8aSPaolo Bonzini 1729f64bd8aSPaolo Bonzini static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 1739f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 1749f64bd8aSPaolo Bonzini { 1759f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 1769f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 1779f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 1789f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 179a3801402SStefan Weil RemoveResult ret; 1809f64bd8aSPaolo Bonzini 1819f64bd8aSPaolo Bonzini ret = remove_hpte(env, pte_index, avpn, flags, 1829f64bd8aSPaolo Bonzini &args[0], &args[1]); 1839f64bd8aSPaolo Bonzini 1849f64bd8aSPaolo Bonzini switch (ret) { 1859f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 1869f64bd8aSPaolo Bonzini return H_SUCCESS; 1879f64bd8aSPaolo Bonzini 1889f64bd8aSPaolo Bonzini case REMOVE_NOT_FOUND: 1899f64bd8aSPaolo Bonzini return H_NOT_FOUND; 1909f64bd8aSPaolo Bonzini 1919f64bd8aSPaolo Bonzini case REMOVE_PARM: 1929f64bd8aSPaolo Bonzini return H_PARAMETER; 1939f64bd8aSPaolo Bonzini 1949f64bd8aSPaolo Bonzini case REMOVE_HW: 1959f64bd8aSPaolo Bonzini return H_HARDWARE; 1969f64bd8aSPaolo Bonzini } 1979f64bd8aSPaolo Bonzini 1989a39970dSStefan Weil g_assert_not_reached(); 1999f64bd8aSPaolo Bonzini } 2009f64bd8aSPaolo Bonzini 2019f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL 2029f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL 2039f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL 2049f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_END 0xc000000000000000ULL 2059f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_CODE 0x3000000000000000ULL 2069f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL 2079f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL 2089f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PARM 0x2000000000000000ULL 2099f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_HW 0x3000000000000000ULL 2109f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RC 0x0c00000000000000ULL 2119f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL 2129f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL 2139f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL 2149f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL 2159f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL 2169f64bd8aSPaolo Bonzini 2179f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_MAX_BATCH 4 2189f64bd8aSPaolo Bonzini 2199f64bd8aSPaolo Bonzini static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2209f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2219f64bd8aSPaolo Bonzini { 2229f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2239f64bd8aSPaolo Bonzini int i; 2249f64bd8aSPaolo Bonzini 2259f64bd8aSPaolo Bonzini for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { 2269f64bd8aSPaolo Bonzini target_ulong *tsh = &args[i*2]; 2279f64bd8aSPaolo Bonzini target_ulong tsl = args[i*2 + 1]; 2289f64bd8aSPaolo Bonzini target_ulong v, r, ret; 2299f64bd8aSPaolo Bonzini 2309f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { 2319f64bd8aSPaolo Bonzini break; 2329f64bd8aSPaolo Bonzini } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { 2339f64bd8aSPaolo Bonzini return H_PARAMETER; 2349f64bd8aSPaolo Bonzini } 2359f64bd8aSPaolo Bonzini 2369f64bd8aSPaolo Bonzini *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; 2379f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_RESPONSE; 2389f64bd8aSPaolo Bonzini 2399f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { 2409f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_PARM; 2419f64bd8aSPaolo Bonzini return H_PARAMETER; 2429f64bd8aSPaolo Bonzini } 2439f64bd8aSPaolo Bonzini 2449f64bd8aSPaolo Bonzini ret = remove_hpte(env, *tsh & H_BULK_REMOVE_PTEX, tsl, 2459f64bd8aSPaolo Bonzini (*tsh & H_BULK_REMOVE_FLAGS) >> 26, 2469f64bd8aSPaolo Bonzini &v, &r); 2479f64bd8aSPaolo Bonzini 2489f64bd8aSPaolo Bonzini *tsh |= ret << 60; 2499f64bd8aSPaolo Bonzini 2509f64bd8aSPaolo Bonzini switch (ret) { 2519f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 252d5aea6f3SDavid Gibson *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; 2539f64bd8aSPaolo Bonzini break; 2549f64bd8aSPaolo Bonzini 2559f64bd8aSPaolo Bonzini case REMOVE_PARM: 2569f64bd8aSPaolo Bonzini return H_PARAMETER; 2579f64bd8aSPaolo Bonzini 2589f64bd8aSPaolo Bonzini case REMOVE_HW: 2599f64bd8aSPaolo Bonzini return H_HARDWARE; 2609f64bd8aSPaolo Bonzini } 2619f64bd8aSPaolo Bonzini } 2629f64bd8aSPaolo Bonzini 2639f64bd8aSPaolo Bonzini return H_SUCCESS; 2649f64bd8aSPaolo Bonzini } 2659f64bd8aSPaolo Bonzini 2669f64bd8aSPaolo Bonzini static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2679f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2689f64bd8aSPaolo Bonzini { 2699f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2709f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 2719f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 2729f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 273dffdaf61SDavid Gibson hwaddr hpte; 2749f64bd8aSPaolo Bonzini target_ulong v, r, rb; 2759f64bd8aSPaolo Bonzini 276*f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 2779f64bd8aSPaolo Bonzini return H_PARAMETER; 2789f64bd8aSPaolo Bonzini } 2799f64bd8aSPaolo Bonzini 280dffdaf61SDavid Gibson hpte = pte_index * HASH_PTE_SIZE_64; 2819f64bd8aSPaolo Bonzini 282dffdaf61SDavid Gibson v = ppc_hash64_load_hpte0(env, hpte); 283dffdaf61SDavid Gibson r = ppc_hash64_load_hpte1(env, hpte); 2849f64bd8aSPaolo Bonzini 285d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 2869f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { 2879f64bd8aSPaolo Bonzini return H_NOT_FOUND; 2889f64bd8aSPaolo Bonzini } 2899f64bd8aSPaolo Bonzini 290d5aea6f3SDavid Gibson r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | 291d5aea6f3SDavid Gibson HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); 292d5aea6f3SDavid Gibson r |= (flags << 55) & HPTE64_R_PP0; 293d5aea6f3SDavid Gibson r |= (flags << 48) & HPTE64_R_KEY_HI; 294d5aea6f3SDavid Gibson r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); 2959f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, pte_index); 2964be21d56SDavid Gibson ppc_hash64_store_hpte0(env, hpte, (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY); 2979f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 298dffdaf61SDavid Gibson ppc_hash64_store_hpte1(env, hpte, r); 2999f64bd8aSPaolo Bonzini /* Don't need a memory barrier, due to qemu's global lock */ 3004be21d56SDavid Gibson ppc_hash64_store_hpte0(env, hpte, v | HPTE64_V_HPTE_DIRTY); 3019f64bd8aSPaolo Bonzini return H_SUCCESS; 3029f64bd8aSPaolo Bonzini } 3039f64bd8aSPaolo Bonzini 304fa388916SAnthony Liguori static target_ulong h_read(PowerPCCPU *cpu, sPAPREnvironment *spapr, 305fa388916SAnthony Liguori target_ulong opcode, target_ulong *args) 306fa388916SAnthony Liguori { 307fa388916SAnthony Liguori CPUPPCState *env = &cpu->env; 308fa388916SAnthony Liguori target_ulong flags = args[0]; 309fa388916SAnthony Liguori target_ulong pte_index = args[1]; 310fa388916SAnthony Liguori uint8_t *hpte; 311fa388916SAnthony Liguori int i, ridx, n_entries = 1; 312fa388916SAnthony Liguori 313*f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 314fa388916SAnthony Liguori return H_PARAMETER; 315fa388916SAnthony Liguori } 316fa388916SAnthony Liguori 317fa388916SAnthony Liguori if (flags & H_READ_4) { 318fa388916SAnthony Liguori /* Clear the two low order bits */ 319fa388916SAnthony Liguori pte_index &= ~(3ULL); 320fa388916SAnthony Liguori n_entries = 4; 321fa388916SAnthony Liguori } 322fa388916SAnthony Liguori 323fa388916SAnthony Liguori hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); 324fa388916SAnthony Liguori 325fa388916SAnthony Liguori for (i = 0, ridx = 0; i < n_entries; i++) { 326fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte); 327fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); 328fa388916SAnthony Liguori hpte += HASH_PTE_SIZE_64; 329fa388916SAnthony Liguori } 330fa388916SAnthony Liguori 331fa388916SAnthony Liguori return H_SUCCESS; 332fa388916SAnthony Liguori } 333fa388916SAnthony Liguori 3349f64bd8aSPaolo Bonzini static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPREnvironment *spapr, 3359f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 3369f64bd8aSPaolo Bonzini { 3379f64bd8aSPaolo Bonzini /* FIXME: actually implement this */ 3389f64bd8aSPaolo Bonzini return H_HARDWARE; 3399f64bd8aSPaolo Bonzini } 3409f64bd8aSPaolo Bonzini 3419f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_VPA 0x0000200000000000ULL 3429f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_DTL 0x0000400000000000ULL 3439f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL 3449f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL 3459f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL 3469f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL 3479f64bd8aSPaolo Bonzini 3489f64bd8aSPaolo Bonzini #define VPA_MIN_SIZE 640 3499f64bd8aSPaolo Bonzini #define VPA_SIZE_OFFSET 0x4 3509f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_OFFSET 0x9 3519f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_VAL 0x2 3529f64bd8aSPaolo Bonzini 3539f64bd8aSPaolo Bonzini static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) 3549f64bd8aSPaolo Bonzini { 3552c17449bSEdgar E. Iglesias CPUState *cs = ENV_GET_CPU(env); 3569f64bd8aSPaolo Bonzini uint16_t size; 3579f64bd8aSPaolo Bonzini uint8_t tmp; 3589f64bd8aSPaolo Bonzini 3599f64bd8aSPaolo Bonzini if (vpa == 0) { 3609f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with registering a VPA at logical 0\n"); 3619f64bd8aSPaolo Bonzini return H_HARDWARE; 3629f64bd8aSPaolo Bonzini } 3639f64bd8aSPaolo Bonzini 3649f64bd8aSPaolo Bonzini if (vpa % env->dcache_line_size) { 3659f64bd8aSPaolo Bonzini return H_PARAMETER; 3669f64bd8aSPaolo Bonzini } 3679f64bd8aSPaolo Bonzini /* FIXME: bounds check the address */ 3689f64bd8aSPaolo Bonzini 36941701aa4SEdgar E. Iglesias size = lduw_be_phys(cs->as, vpa + 0x4); 3709f64bd8aSPaolo Bonzini 3719f64bd8aSPaolo Bonzini if (size < VPA_MIN_SIZE) { 3729f64bd8aSPaolo Bonzini return H_PARAMETER; 3739f64bd8aSPaolo Bonzini } 3749f64bd8aSPaolo Bonzini 3759f64bd8aSPaolo Bonzini /* VPA is not allowed to cross a page boundary */ 3769f64bd8aSPaolo Bonzini if ((vpa / 4096) != ((vpa + size - 1) / 4096)) { 3779f64bd8aSPaolo Bonzini return H_PARAMETER; 3789f64bd8aSPaolo Bonzini } 3799f64bd8aSPaolo Bonzini 3809f64bd8aSPaolo Bonzini env->vpa_addr = vpa; 3819f64bd8aSPaolo Bonzini 3822c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET); 3839f64bd8aSPaolo Bonzini tmp |= VPA_SHARED_PROC_VAL; 384db3be60dSEdgar E. Iglesias stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); 3859f64bd8aSPaolo Bonzini 3869f64bd8aSPaolo Bonzini return H_SUCCESS; 3879f64bd8aSPaolo Bonzini } 3889f64bd8aSPaolo Bonzini 3899f64bd8aSPaolo Bonzini static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) 3909f64bd8aSPaolo Bonzini { 3919f64bd8aSPaolo Bonzini if (env->slb_shadow_addr) { 3929f64bd8aSPaolo Bonzini return H_RESOURCE; 3939f64bd8aSPaolo Bonzini } 3949f64bd8aSPaolo Bonzini 3959f64bd8aSPaolo Bonzini if (env->dtl_addr) { 3969f64bd8aSPaolo Bonzini return H_RESOURCE; 3979f64bd8aSPaolo Bonzini } 3989f64bd8aSPaolo Bonzini 3999f64bd8aSPaolo Bonzini env->vpa_addr = 0; 4009f64bd8aSPaolo Bonzini return H_SUCCESS; 4019f64bd8aSPaolo Bonzini } 4029f64bd8aSPaolo Bonzini 4039f64bd8aSPaolo Bonzini static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) 4049f64bd8aSPaolo Bonzini { 405fdfba1a2SEdgar E. Iglesias CPUState *cs = ENV_GET_CPU(env); 4069f64bd8aSPaolo Bonzini uint32_t size; 4079f64bd8aSPaolo Bonzini 4089f64bd8aSPaolo Bonzini if (addr == 0) { 4099f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with SLB shadow at logical 0\n"); 4109f64bd8aSPaolo Bonzini return H_HARDWARE; 4119f64bd8aSPaolo Bonzini } 4129f64bd8aSPaolo Bonzini 413fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4149f64bd8aSPaolo Bonzini if (size < 0x8) { 4159f64bd8aSPaolo Bonzini return H_PARAMETER; 4169f64bd8aSPaolo Bonzini } 4179f64bd8aSPaolo Bonzini 4189f64bd8aSPaolo Bonzini if ((addr / 4096) != ((addr + size - 1) / 4096)) { 4199f64bd8aSPaolo Bonzini return H_PARAMETER; 4209f64bd8aSPaolo Bonzini } 4219f64bd8aSPaolo Bonzini 4229f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4239f64bd8aSPaolo Bonzini return H_RESOURCE; 4249f64bd8aSPaolo Bonzini } 4259f64bd8aSPaolo Bonzini 4269f64bd8aSPaolo Bonzini env->slb_shadow_addr = addr; 4279f64bd8aSPaolo Bonzini env->slb_shadow_size = size; 4289f64bd8aSPaolo Bonzini 4299f64bd8aSPaolo Bonzini return H_SUCCESS; 4309f64bd8aSPaolo Bonzini } 4319f64bd8aSPaolo Bonzini 4329f64bd8aSPaolo Bonzini static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) 4339f64bd8aSPaolo Bonzini { 4349f64bd8aSPaolo Bonzini env->slb_shadow_addr = 0; 4359f64bd8aSPaolo Bonzini env->slb_shadow_size = 0; 4369f64bd8aSPaolo Bonzini return H_SUCCESS; 4379f64bd8aSPaolo Bonzini } 4389f64bd8aSPaolo Bonzini 4399f64bd8aSPaolo Bonzini static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) 4409f64bd8aSPaolo Bonzini { 441fdfba1a2SEdgar E. Iglesias CPUState *cs = ENV_GET_CPU(env); 4429f64bd8aSPaolo Bonzini uint32_t size; 4439f64bd8aSPaolo Bonzini 4449f64bd8aSPaolo Bonzini if (addr == 0) { 4459f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with DTL at logical 0\n"); 4469f64bd8aSPaolo Bonzini return H_HARDWARE; 4479f64bd8aSPaolo Bonzini } 4489f64bd8aSPaolo Bonzini 449fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4509f64bd8aSPaolo Bonzini 4519f64bd8aSPaolo Bonzini if (size < 48) { 4529f64bd8aSPaolo Bonzini return H_PARAMETER; 4539f64bd8aSPaolo Bonzini } 4549f64bd8aSPaolo Bonzini 4559f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4569f64bd8aSPaolo Bonzini return H_RESOURCE; 4579f64bd8aSPaolo Bonzini } 4589f64bd8aSPaolo Bonzini 4599f64bd8aSPaolo Bonzini env->dtl_addr = addr; 4609f64bd8aSPaolo Bonzini env->dtl_size = size; 4619f64bd8aSPaolo Bonzini 4629f64bd8aSPaolo Bonzini return H_SUCCESS; 4639f64bd8aSPaolo Bonzini } 4649f64bd8aSPaolo Bonzini 4659f64bd8aSPaolo Bonzini static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) 4669f64bd8aSPaolo Bonzini { 4679f64bd8aSPaolo Bonzini env->dtl_addr = 0; 4689f64bd8aSPaolo Bonzini env->dtl_size = 0; 4699f64bd8aSPaolo Bonzini 4709f64bd8aSPaolo Bonzini return H_SUCCESS; 4719f64bd8aSPaolo Bonzini } 4729f64bd8aSPaolo Bonzini 4739f64bd8aSPaolo Bonzini static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPREnvironment *spapr, 4749f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 4759f64bd8aSPaolo Bonzini { 4769f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 4779f64bd8aSPaolo Bonzini target_ulong procno = args[1]; 4789f64bd8aSPaolo Bonzini target_ulong vpa = args[2]; 4799f64bd8aSPaolo Bonzini target_ulong ret = H_PARAMETER; 4809f64bd8aSPaolo Bonzini CPUPPCState *tenv; 4819f64bd8aSPaolo Bonzini CPUState *tcpu; 4829f64bd8aSPaolo Bonzini 4839f64bd8aSPaolo Bonzini tcpu = qemu_get_cpu(procno); 4849f64bd8aSPaolo Bonzini if (!tcpu) { 4859f64bd8aSPaolo Bonzini return H_PARAMETER; 4869f64bd8aSPaolo Bonzini } 4879f64bd8aSPaolo Bonzini tenv = tcpu->env_ptr; 4889f64bd8aSPaolo Bonzini 4899f64bd8aSPaolo Bonzini switch (flags) { 4909f64bd8aSPaolo Bonzini case FLAGS_REGISTER_VPA: 4919f64bd8aSPaolo Bonzini ret = register_vpa(tenv, vpa); 4929f64bd8aSPaolo Bonzini break; 4939f64bd8aSPaolo Bonzini 4949f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_VPA: 4959f64bd8aSPaolo Bonzini ret = deregister_vpa(tenv, vpa); 4969f64bd8aSPaolo Bonzini break; 4979f64bd8aSPaolo Bonzini 4989f64bd8aSPaolo Bonzini case FLAGS_REGISTER_SLBSHADOW: 4999f64bd8aSPaolo Bonzini ret = register_slb_shadow(tenv, vpa); 5009f64bd8aSPaolo Bonzini break; 5019f64bd8aSPaolo Bonzini 5029f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_SLBSHADOW: 5039f64bd8aSPaolo Bonzini ret = deregister_slb_shadow(tenv, vpa); 5049f64bd8aSPaolo Bonzini break; 5059f64bd8aSPaolo Bonzini 5069f64bd8aSPaolo Bonzini case FLAGS_REGISTER_DTL: 5079f64bd8aSPaolo Bonzini ret = register_dtl(tenv, vpa); 5089f64bd8aSPaolo Bonzini break; 5099f64bd8aSPaolo Bonzini 5109f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_DTL: 5119f64bd8aSPaolo Bonzini ret = deregister_dtl(tenv, vpa); 5129f64bd8aSPaolo Bonzini break; 5139f64bd8aSPaolo Bonzini } 5149f64bd8aSPaolo Bonzini 5159f64bd8aSPaolo Bonzini return ret; 5169f64bd8aSPaolo Bonzini } 5179f64bd8aSPaolo Bonzini 5189f64bd8aSPaolo Bonzini static target_ulong h_cede(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5199f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5209f64bd8aSPaolo Bonzini { 5219f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 5229f64bd8aSPaolo Bonzini CPUState *cs = CPU(cpu); 5239f64bd8aSPaolo Bonzini 5249f64bd8aSPaolo Bonzini env->msr |= (1ULL << MSR_EE); 5259f64bd8aSPaolo Bonzini hreg_compute_hflags(env); 5269f64bd8aSPaolo Bonzini if (!cpu_has_work(cs)) { 527259186a7SAndreas Färber cs->halted = 1; 5289f64bd8aSPaolo Bonzini env->exception_index = EXCP_HLT; 5299f64bd8aSPaolo Bonzini cs->exit_request = 1; 5309f64bd8aSPaolo Bonzini } 5319f64bd8aSPaolo Bonzini return H_SUCCESS; 5329f64bd8aSPaolo Bonzini } 5339f64bd8aSPaolo Bonzini 5349f64bd8aSPaolo Bonzini static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5359f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5369f64bd8aSPaolo Bonzini { 5379f64bd8aSPaolo Bonzini target_ulong rtas_r3 = args[0]; 5384fe822e0SAlexey Kardashevskiy uint32_t token = rtas_ld(rtas_r3, 0); 5394fe822e0SAlexey Kardashevskiy uint32_t nargs = rtas_ld(rtas_r3, 1); 5404fe822e0SAlexey Kardashevskiy uint32_t nret = rtas_ld(rtas_r3, 2); 5419f64bd8aSPaolo Bonzini 542210b580bSAnthony Liguori return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12, 5439f64bd8aSPaolo Bonzini nret, rtas_r3 + 12 + 4*nargs); 5449f64bd8aSPaolo Bonzini } 5459f64bd8aSPaolo Bonzini 5469f64bd8aSPaolo Bonzini static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5479f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5489f64bd8aSPaolo Bonzini { 549fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 5509f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5519f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5529f64bd8aSPaolo Bonzini 5539f64bd8aSPaolo Bonzini switch (size) { 5549f64bd8aSPaolo Bonzini case 1: 5552c17449bSEdgar E. Iglesias args[0] = ldub_phys(cs->as, addr); 5569f64bd8aSPaolo Bonzini return H_SUCCESS; 5579f64bd8aSPaolo Bonzini case 2: 55841701aa4SEdgar E. Iglesias args[0] = lduw_phys(cs->as, addr); 5599f64bd8aSPaolo Bonzini return H_SUCCESS; 5609f64bd8aSPaolo Bonzini case 4: 561fdfba1a2SEdgar E. Iglesias args[0] = ldl_phys(cs->as, addr); 5629f64bd8aSPaolo Bonzini return H_SUCCESS; 5639f64bd8aSPaolo Bonzini case 8: 5642c17449bSEdgar E. Iglesias args[0] = ldq_phys(cs->as, addr); 5659f64bd8aSPaolo Bonzini return H_SUCCESS; 5669f64bd8aSPaolo Bonzini } 5679f64bd8aSPaolo Bonzini return H_PARAMETER; 5689f64bd8aSPaolo Bonzini } 5699f64bd8aSPaolo Bonzini 5709f64bd8aSPaolo Bonzini static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5719f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5729f64bd8aSPaolo Bonzini { 573f606604fSEdgar E. Iglesias CPUState *cs = CPU(cpu); 574f606604fSEdgar E. Iglesias 5759f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5769f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5779f64bd8aSPaolo Bonzini target_ulong val = args[2]; 5789f64bd8aSPaolo Bonzini 5799f64bd8aSPaolo Bonzini switch (size) { 5809f64bd8aSPaolo Bonzini case 1: 581db3be60dSEdgar E. Iglesias stb_phys(cs->as, addr, val); 5829f64bd8aSPaolo Bonzini return H_SUCCESS; 5839f64bd8aSPaolo Bonzini case 2: 5845ce5944dSEdgar E. Iglesias stw_phys(cs->as, addr, val); 5859f64bd8aSPaolo Bonzini return H_SUCCESS; 5869f64bd8aSPaolo Bonzini case 4: 587ab1da857SEdgar E. Iglesias stl_phys(cs->as, addr, val); 5889f64bd8aSPaolo Bonzini return H_SUCCESS; 5899f64bd8aSPaolo Bonzini case 8: 590f606604fSEdgar E. Iglesias stq_phys(cs->as, addr, val); 5919f64bd8aSPaolo Bonzini return H_SUCCESS; 5929f64bd8aSPaolo Bonzini } 5939f64bd8aSPaolo Bonzini return H_PARAMETER; 5949f64bd8aSPaolo Bonzini } 5959f64bd8aSPaolo Bonzini 5969f64bd8aSPaolo Bonzini static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5979f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5989f64bd8aSPaolo Bonzini { 599fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 600fdfba1a2SEdgar E. Iglesias 6019f64bd8aSPaolo Bonzini target_ulong dst = args[0]; /* Destination address */ 6029f64bd8aSPaolo Bonzini target_ulong src = args[1]; /* Source address */ 6039f64bd8aSPaolo Bonzini target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */ 6049f64bd8aSPaolo Bonzini target_ulong count = args[3]; /* Element count */ 6059f64bd8aSPaolo Bonzini target_ulong op = args[4]; /* 0 = copy, 1 = invert */ 6069f64bd8aSPaolo Bonzini uint64_t tmp; 6079f64bd8aSPaolo Bonzini unsigned int mask = (1 << esize) - 1; 6089f64bd8aSPaolo Bonzini int step = 1 << esize; 6099f64bd8aSPaolo Bonzini 6109f64bd8aSPaolo Bonzini if (count > 0x80000000) { 6119f64bd8aSPaolo Bonzini return H_PARAMETER; 6129f64bd8aSPaolo Bonzini } 6139f64bd8aSPaolo Bonzini 6149f64bd8aSPaolo Bonzini if ((dst & mask) || (src & mask) || (op > 1)) { 6159f64bd8aSPaolo Bonzini return H_PARAMETER; 6169f64bd8aSPaolo Bonzini } 6179f64bd8aSPaolo Bonzini 6189f64bd8aSPaolo Bonzini if (dst >= src && dst < (src + (count << esize))) { 6199f64bd8aSPaolo Bonzini dst = dst + ((count - 1) << esize); 6209f64bd8aSPaolo Bonzini src = src + ((count - 1) << esize); 6219f64bd8aSPaolo Bonzini step = -step; 6229f64bd8aSPaolo Bonzini } 6239f64bd8aSPaolo Bonzini 6249f64bd8aSPaolo Bonzini while (count--) { 6259f64bd8aSPaolo Bonzini switch (esize) { 6269f64bd8aSPaolo Bonzini case 0: 6272c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, src); 6289f64bd8aSPaolo Bonzini break; 6299f64bd8aSPaolo Bonzini case 1: 63041701aa4SEdgar E. Iglesias tmp = lduw_phys(cs->as, src); 6319f64bd8aSPaolo Bonzini break; 6329f64bd8aSPaolo Bonzini case 2: 633fdfba1a2SEdgar E. Iglesias tmp = ldl_phys(cs->as, src); 6349f64bd8aSPaolo Bonzini break; 6359f64bd8aSPaolo Bonzini case 3: 6362c17449bSEdgar E. Iglesias tmp = ldq_phys(cs->as, src); 6379f64bd8aSPaolo Bonzini break; 6389f64bd8aSPaolo Bonzini default: 6399f64bd8aSPaolo Bonzini return H_PARAMETER; 6409f64bd8aSPaolo Bonzini } 6419f64bd8aSPaolo Bonzini if (op == 1) { 6429f64bd8aSPaolo Bonzini tmp = ~tmp; 6439f64bd8aSPaolo Bonzini } 6449f64bd8aSPaolo Bonzini switch (esize) { 6459f64bd8aSPaolo Bonzini case 0: 646db3be60dSEdgar E. Iglesias stb_phys(cs->as, dst, tmp); 6479f64bd8aSPaolo Bonzini break; 6489f64bd8aSPaolo Bonzini case 1: 6495ce5944dSEdgar E. Iglesias stw_phys(cs->as, dst, tmp); 6509f64bd8aSPaolo Bonzini break; 6519f64bd8aSPaolo Bonzini case 2: 652ab1da857SEdgar E. Iglesias stl_phys(cs->as, dst, tmp); 6539f64bd8aSPaolo Bonzini break; 6549f64bd8aSPaolo Bonzini case 3: 655f606604fSEdgar E. Iglesias stq_phys(cs->as, dst, tmp); 6569f64bd8aSPaolo Bonzini break; 6579f64bd8aSPaolo Bonzini } 6589f64bd8aSPaolo Bonzini dst = dst + step; 6599f64bd8aSPaolo Bonzini src = src + step; 6609f64bd8aSPaolo Bonzini } 6619f64bd8aSPaolo Bonzini 6629f64bd8aSPaolo Bonzini return H_SUCCESS; 6639f64bd8aSPaolo Bonzini } 6649f64bd8aSPaolo Bonzini 6659f64bd8aSPaolo Bonzini static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6669f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6679f64bd8aSPaolo Bonzini { 6689f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6699f64bd8aSPaolo Bonzini return H_SUCCESS; 6709f64bd8aSPaolo Bonzini } 6719f64bd8aSPaolo Bonzini 6729f64bd8aSPaolo Bonzini static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6739f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6749f64bd8aSPaolo Bonzini { 6759f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6769f64bd8aSPaolo Bonzini return H_SUCCESS; 6779f64bd8aSPaolo Bonzini } 6789f64bd8aSPaolo Bonzini 67942561bf2SAnton Blanchard static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr, 68042561bf2SAnton Blanchard target_ulong opcode, target_ulong *args) 68142561bf2SAnton Blanchard { 68242561bf2SAnton Blanchard CPUState *cs; 68342561bf2SAnton Blanchard target_ulong mflags = args[0]; 68442561bf2SAnton Blanchard target_ulong resource = args[1]; 68542561bf2SAnton Blanchard target_ulong value1 = args[2]; 68642561bf2SAnton Blanchard target_ulong value2 = args[3]; 68742561bf2SAnton Blanchard target_ulong ret = H_P2; 68842561bf2SAnton Blanchard 68942561bf2SAnton Blanchard if (resource == H_SET_MODE_ENDIAN) { 69042561bf2SAnton Blanchard if (value1) { 69142561bf2SAnton Blanchard ret = H_P3; 69242561bf2SAnton Blanchard goto out; 69342561bf2SAnton Blanchard } 69442561bf2SAnton Blanchard if (value2) { 69542561bf2SAnton Blanchard ret = H_P4; 69642561bf2SAnton Blanchard goto out; 69742561bf2SAnton Blanchard } 69842561bf2SAnton Blanchard 69942561bf2SAnton Blanchard switch (mflags) { 70042561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_BIG: 701bdc44640SAndreas Färber CPU_FOREACH(cs) { 70242561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 70342561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 70442561bf2SAnton Blanchard env->spr[SPR_LPCR] &= ~LPCR_ILE; 70542561bf2SAnton Blanchard } 70642561bf2SAnton Blanchard ret = H_SUCCESS; 70742561bf2SAnton Blanchard break; 70842561bf2SAnton Blanchard 70942561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_LITTLE: 710bdc44640SAndreas Färber CPU_FOREACH(cs) { 71142561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 71242561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 71342561bf2SAnton Blanchard env->spr[SPR_LPCR] |= LPCR_ILE; 71442561bf2SAnton Blanchard } 71542561bf2SAnton Blanchard ret = H_SUCCESS; 71642561bf2SAnton Blanchard break; 71742561bf2SAnton Blanchard 71842561bf2SAnton Blanchard default: 71942561bf2SAnton Blanchard ret = H_UNSUPPORTED_FLAG; 72042561bf2SAnton Blanchard } 72142561bf2SAnton Blanchard } 72242561bf2SAnton Blanchard 72342561bf2SAnton Blanchard out: 72442561bf2SAnton Blanchard return ret; 72542561bf2SAnton Blanchard } 72642561bf2SAnton Blanchard 7279f64bd8aSPaolo Bonzini static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1]; 7289f64bd8aSPaolo Bonzini static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1]; 7299f64bd8aSPaolo Bonzini 7309f64bd8aSPaolo Bonzini void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) 7319f64bd8aSPaolo Bonzini { 7329f64bd8aSPaolo Bonzini spapr_hcall_fn *slot; 7339f64bd8aSPaolo Bonzini 7349f64bd8aSPaolo Bonzini if (opcode <= MAX_HCALL_OPCODE) { 7359f64bd8aSPaolo Bonzini assert((opcode & 0x3) == 0); 7369f64bd8aSPaolo Bonzini 7379f64bd8aSPaolo Bonzini slot = &papr_hypercall_table[opcode / 4]; 7389f64bd8aSPaolo Bonzini } else { 7399f64bd8aSPaolo Bonzini assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); 7409f64bd8aSPaolo Bonzini 7419f64bd8aSPaolo Bonzini slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7429f64bd8aSPaolo Bonzini } 7439f64bd8aSPaolo Bonzini 7449f64bd8aSPaolo Bonzini assert(!(*slot)); 7459f64bd8aSPaolo Bonzini *slot = fn; 7469f64bd8aSPaolo Bonzini } 7479f64bd8aSPaolo Bonzini 7489f64bd8aSPaolo Bonzini target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, 7499f64bd8aSPaolo Bonzini target_ulong *args) 7509f64bd8aSPaolo Bonzini { 7519f64bd8aSPaolo Bonzini if ((opcode <= MAX_HCALL_OPCODE) 7529f64bd8aSPaolo Bonzini && ((opcode & 0x3) == 0)) { 7539f64bd8aSPaolo Bonzini spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; 7549f64bd8aSPaolo Bonzini 7559f64bd8aSPaolo Bonzini if (fn) { 7569f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7579f64bd8aSPaolo Bonzini } 7589f64bd8aSPaolo Bonzini } else if ((opcode >= KVMPPC_HCALL_BASE) && 7599f64bd8aSPaolo Bonzini (opcode <= KVMPPC_HCALL_MAX)) { 7609f64bd8aSPaolo Bonzini spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7619f64bd8aSPaolo Bonzini 7629f64bd8aSPaolo Bonzini if (fn) { 7639f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7649f64bd8aSPaolo Bonzini } 7659f64bd8aSPaolo Bonzini } 7669f64bd8aSPaolo Bonzini 7679f64bd8aSPaolo Bonzini hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode); 7689f64bd8aSPaolo Bonzini return H_FUNCTION; 7699f64bd8aSPaolo Bonzini } 7709f64bd8aSPaolo Bonzini 7719f64bd8aSPaolo Bonzini static void hypercall_register_types(void) 7729f64bd8aSPaolo Bonzini { 7739f64bd8aSPaolo Bonzini /* hcall-pft */ 7749f64bd8aSPaolo Bonzini spapr_register_hypercall(H_ENTER, h_enter); 7759f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REMOVE, h_remove); 7769f64bd8aSPaolo Bonzini spapr_register_hypercall(H_PROTECT, h_protect); 777fa388916SAnthony Liguori spapr_register_hypercall(H_READ, h_read); 7789f64bd8aSPaolo Bonzini 7799f64bd8aSPaolo Bonzini /* hcall-bulk */ 7809f64bd8aSPaolo Bonzini spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); 7819f64bd8aSPaolo Bonzini 7829f64bd8aSPaolo Bonzini /* hcall-dabr */ 7839f64bd8aSPaolo Bonzini spapr_register_hypercall(H_SET_DABR, h_set_dabr); 7849f64bd8aSPaolo Bonzini 7859f64bd8aSPaolo Bonzini /* hcall-splpar */ 7869f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa); 7879f64bd8aSPaolo Bonzini spapr_register_hypercall(H_CEDE, h_cede); 7889f64bd8aSPaolo Bonzini 7899f64bd8aSPaolo Bonzini /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate 7909f64bd8aSPaolo Bonzini * here between the "CI" and the "CACHE" variants, they will use whatever 7919f64bd8aSPaolo Bonzini * mapping attributes qemu is using. When using KVM, the kernel will 7929f64bd8aSPaolo Bonzini * enforce the attributes more strongly 7939f64bd8aSPaolo Bonzini */ 7949f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load); 7959f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store); 7969f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load); 7979f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store); 7989f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi); 7999f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf); 8009f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop); 8019f64bd8aSPaolo Bonzini 8029f64bd8aSPaolo Bonzini /* qemu/KVM-PPC specific hcalls */ 8039f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas); 80442561bf2SAnton Blanchard 80542561bf2SAnton Blanchard spapr_register_hypercall(H_SET_MODE, h_set_mode); 8069f64bd8aSPaolo Bonzini } 8079f64bd8aSPaolo Bonzini 8089f64bd8aSPaolo Bonzini type_init(hypercall_register_types) 809