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); 113*7aaf4957SAneesh Kumar K.V for (; index < 8; index++) { 1147c43bca0SAneesh Kumar K.V if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) == 0) { 1159f64bd8aSPaolo Bonzini break; 1169f64bd8aSPaolo Bonzini } 117*7aaf4957SAneesh Kumar K.V } 1187c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 119*7aaf4957SAneesh Kumar K.V if (index == 8) { 120*7aaf4957SAneesh Kumar K.V return H_PTEG_FULL; 121*7aaf4957SAneesh Kumar K.V } 1229f64bd8aSPaolo Bonzini } else { 1237c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(cpu, pte_index); 1247c43bca0SAneesh Kumar K.V if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) { 1257c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1269f64bd8aSPaolo Bonzini return H_PTEG_FULL; 1279f64bd8aSPaolo Bonzini } 1287c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1299f64bd8aSPaolo Bonzini } 1307c43bca0SAneesh Kumar K.V 1313f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index + index, 1323f94170bSAneesh Kumar K.V pteh | HPTE64_V_HPTE_DIRTY, ptel); 1339f64bd8aSPaolo Bonzini 1347c43bca0SAneesh Kumar K.V args[0] = pte_index + index; 1359f64bd8aSPaolo Bonzini return H_SUCCESS; 1369f64bd8aSPaolo Bonzini } 1379f64bd8aSPaolo Bonzini 138a3801402SStefan Weil typedef enum { 1399f64bd8aSPaolo Bonzini REMOVE_SUCCESS = 0, 1409f64bd8aSPaolo Bonzini REMOVE_NOT_FOUND = 1, 1419f64bd8aSPaolo Bonzini REMOVE_PARM = 2, 1429f64bd8aSPaolo Bonzini REMOVE_HW = 3, 143a3801402SStefan Weil } RemoveResult; 1449f64bd8aSPaolo Bonzini 145a3801402SStefan Weil static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex, 1469f64bd8aSPaolo Bonzini target_ulong avpn, 1479f64bd8aSPaolo Bonzini target_ulong flags, 1489f64bd8aSPaolo Bonzini target_ulong *vp, target_ulong *rp) 1499f64bd8aSPaolo Bonzini { 1507c43bca0SAneesh Kumar K.V uint64_t token; 1519f64bd8aSPaolo Bonzini target_ulong v, r, rb; 1529f64bd8aSPaolo Bonzini 153f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, ptex)) { 1549f64bd8aSPaolo Bonzini return REMOVE_PARM; 1559f64bd8aSPaolo Bonzini } 1569f64bd8aSPaolo Bonzini 1577c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(ppc_env_get_cpu(env), ptex); 1587c43bca0SAneesh Kumar K.V v = ppc_hash64_load_hpte0(env, token, 0); 1597c43bca0SAneesh Kumar K.V r = ppc_hash64_load_hpte1(env, token, 0); 1607c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 1619f64bd8aSPaolo Bonzini 162d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 1639f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || 1649f64bd8aSPaolo Bonzini ((flags & H_ANDCOND) && (v & avpn) != 0)) { 1659f64bd8aSPaolo Bonzini return REMOVE_NOT_FOUND; 1669f64bd8aSPaolo Bonzini } 1679f64bd8aSPaolo Bonzini *vp = v; 1689f64bd8aSPaolo Bonzini *rp = r; 1693f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, ptex, HPTE64_V_HPTE_DIRTY, 0); 1709f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, ptex); 1719f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 1729f64bd8aSPaolo Bonzini return REMOVE_SUCCESS; 1739f64bd8aSPaolo Bonzini } 1749f64bd8aSPaolo Bonzini 1759f64bd8aSPaolo Bonzini static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 1769f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 1779f64bd8aSPaolo Bonzini { 1789f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 1799f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 1809f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 1819f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 182a3801402SStefan Weil RemoveResult ret; 1839f64bd8aSPaolo Bonzini 1849f64bd8aSPaolo Bonzini ret = remove_hpte(env, pte_index, avpn, flags, 1859f64bd8aSPaolo Bonzini &args[0], &args[1]); 1869f64bd8aSPaolo Bonzini 1879f64bd8aSPaolo Bonzini switch (ret) { 1889f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 1899f64bd8aSPaolo Bonzini return H_SUCCESS; 1909f64bd8aSPaolo Bonzini 1919f64bd8aSPaolo Bonzini case REMOVE_NOT_FOUND: 1929f64bd8aSPaolo Bonzini return H_NOT_FOUND; 1939f64bd8aSPaolo Bonzini 1949f64bd8aSPaolo Bonzini case REMOVE_PARM: 1959f64bd8aSPaolo Bonzini return H_PARAMETER; 1969f64bd8aSPaolo Bonzini 1979f64bd8aSPaolo Bonzini case REMOVE_HW: 1989f64bd8aSPaolo Bonzini return H_HARDWARE; 1999f64bd8aSPaolo Bonzini } 2009f64bd8aSPaolo Bonzini 2019a39970dSStefan Weil g_assert_not_reached(); 2029f64bd8aSPaolo Bonzini } 2039f64bd8aSPaolo Bonzini 2049f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_TYPE 0xc000000000000000ULL 2059f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_REQUEST 0x4000000000000000ULL 2069f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RESPONSE 0x8000000000000000ULL 2079f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_END 0xc000000000000000ULL 2089f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_CODE 0x3000000000000000ULL 2099f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_SUCCESS 0x0000000000000000ULL 2109f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_NOT_FOUND 0x1000000000000000ULL 2119f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PARM 0x2000000000000000ULL 2129f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_HW 0x3000000000000000ULL 2139f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_RC 0x0c00000000000000ULL 2149f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_FLAGS 0x0300000000000000ULL 2159f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ABSOLUTE 0x0000000000000000ULL 2169f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_ANDCOND 0x0100000000000000ULL 2179f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_AVPN 0x0200000000000000ULL 2189f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_PTEX 0x00ffffffffffffffULL 2199f64bd8aSPaolo Bonzini 2209f64bd8aSPaolo Bonzini #define H_BULK_REMOVE_MAX_BATCH 4 2219f64bd8aSPaolo Bonzini 2229f64bd8aSPaolo Bonzini static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2239f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2249f64bd8aSPaolo Bonzini { 2259f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2269f64bd8aSPaolo Bonzini int i; 2279f64bd8aSPaolo Bonzini 2289f64bd8aSPaolo Bonzini for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { 2299f64bd8aSPaolo Bonzini target_ulong *tsh = &args[i*2]; 2309f64bd8aSPaolo Bonzini target_ulong tsl = args[i*2 + 1]; 2319f64bd8aSPaolo Bonzini target_ulong v, r, ret; 2329f64bd8aSPaolo Bonzini 2339f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_TYPE) == H_BULK_REMOVE_END) { 2349f64bd8aSPaolo Bonzini break; 2359f64bd8aSPaolo Bonzini } else if ((*tsh & H_BULK_REMOVE_TYPE) != H_BULK_REMOVE_REQUEST) { 2369f64bd8aSPaolo Bonzini return H_PARAMETER; 2379f64bd8aSPaolo Bonzini } 2389f64bd8aSPaolo Bonzini 2399f64bd8aSPaolo Bonzini *tsh &= H_BULK_REMOVE_PTEX | H_BULK_REMOVE_FLAGS; 2409f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_RESPONSE; 2419f64bd8aSPaolo Bonzini 2429f64bd8aSPaolo Bonzini if ((*tsh & H_BULK_REMOVE_ANDCOND) && (*tsh & H_BULK_REMOVE_AVPN)) { 2439f64bd8aSPaolo Bonzini *tsh |= H_BULK_REMOVE_PARM; 2449f64bd8aSPaolo Bonzini return H_PARAMETER; 2459f64bd8aSPaolo Bonzini } 2469f64bd8aSPaolo Bonzini 2479f64bd8aSPaolo Bonzini ret = remove_hpte(env, *tsh & H_BULK_REMOVE_PTEX, tsl, 2489f64bd8aSPaolo Bonzini (*tsh & H_BULK_REMOVE_FLAGS) >> 26, 2499f64bd8aSPaolo Bonzini &v, &r); 2509f64bd8aSPaolo Bonzini 2519f64bd8aSPaolo Bonzini *tsh |= ret << 60; 2529f64bd8aSPaolo Bonzini 2539f64bd8aSPaolo Bonzini switch (ret) { 2549f64bd8aSPaolo Bonzini case REMOVE_SUCCESS: 255d5aea6f3SDavid Gibson *tsh |= (r & (HPTE64_R_C | HPTE64_R_R)) << 43; 2569f64bd8aSPaolo Bonzini break; 2579f64bd8aSPaolo Bonzini 2589f64bd8aSPaolo Bonzini case REMOVE_PARM: 2599f64bd8aSPaolo Bonzini return H_PARAMETER; 2609f64bd8aSPaolo Bonzini 2619f64bd8aSPaolo Bonzini case REMOVE_HW: 2629f64bd8aSPaolo Bonzini return H_HARDWARE; 2639f64bd8aSPaolo Bonzini } 2649f64bd8aSPaolo Bonzini } 2659f64bd8aSPaolo Bonzini 2669f64bd8aSPaolo Bonzini return H_SUCCESS; 2679f64bd8aSPaolo Bonzini } 2689f64bd8aSPaolo Bonzini 2699f64bd8aSPaolo Bonzini static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *spapr, 2709f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 2719f64bd8aSPaolo Bonzini { 2729f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 2739f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 2749f64bd8aSPaolo Bonzini target_ulong pte_index = args[1]; 2759f64bd8aSPaolo Bonzini target_ulong avpn = args[2]; 2767c43bca0SAneesh Kumar K.V uint64_t token; 2779f64bd8aSPaolo Bonzini target_ulong v, r, rb; 2789f64bd8aSPaolo Bonzini 279f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 2809f64bd8aSPaolo Bonzini return H_PARAMETER; 2819f64bd8aSPaolo Bonzini } 2829f64bd8aSPaolo Bonzini 2837c43bca0SAneesh Kumar K.V token = ppc_hash64_start_access(cpu, pte_index); 2847c43bca0SAneesh Kumar K.V v = ppc_hash64_load_hpte0(env, token, 0); 2857c43bca0SAneesh Kumar K.V r = ppc_hash64_load_hpte1(env, token, 0); 2867c43bca0SAneesh Kumar K.V ppc_hash64_stop_access(token); 2879f64bd8aSPaolo Bonzini 288d5aea6f3SDavid Gibson if ((v & HPTE64_V_VALID) == 0 || 2899f64bd8aSPaolo Bonzini ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { 2909f64bd8aSPaolo Bonzini return H_NOT_FOUND; 2919f64bd8aSPaolo Bonzini } 2929f64bd8aSPaolo Bonzini 293d5aea6f3SDavid Gibson r &= ~(HPTE64_R_PP0 | HPTE64_R_PP | HPTE64_R_N | 294d5aea6f3SDavid Gibson HPTE64_R_KEY_HI | HPTE64_R_KEY_LO); 295d5aea6f3SDavid Gibson r |= (flags << 55) & HPTE64_R_PP0; 296d5aea6f3SDavid Gibson r |= (flags << 48) & HPTE64_R_KEY_HI; 297d5aea6f3SDavid Gibson r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO); 2989f64bd8aSPaolo Bonzini rb = compute_tlbie_rb(v, r, pte_index); 2993f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index, 3003f94170bSAneesh Kumar K.V (v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0); 3019f64bd8aSPaolo Bonzini ppc_tlb_invalidate_one(env, rb); 3029f64bd8aSPaolo Bonzini /* Don't need a memory barrier, due to qemu's global lock */ 3033f94170bSAneesh Kumar K.V ppc_hash64_store_hpte(env, pte_index, v | HPTE64_V_HPTE_DIRTY, r); 3049f64bd8aSPaolo Bonzini return H_SUCCESS; 3059f64bd8aSPaolo Bonzini } 3069f64bd8aSPaolo Bonzini 307fa388916SAnthony Liguori static target_ulong h_read(PowerPCCPU *cpu, sPAPREnvironment *spapr, 308fa388916SAnthony Liguori target_ulong opcode, target_ulong *args) 309fa388916SAnthony Liguori { 310fa388916SAnthony Liguori CPUPPCState *env = &cpu->env; 311fa388916SAnthony Liguori target_ulong flags = args[0]; 312fa388916SAnthony Liguori target_ulong pte_index = args[1]; 313fa388916SAnthony Liguori uint8_t *hpte; 314fa388916SAnthony Liguori int i, ridx, n_entries = 1; 315fa388916SAnthony Liguori 316f3c75d42SAneesh Kumar K.V if (!valid_pte_index(env, pte_index)) { 317fa388916SAnthony Liguori return H_PARAMETER; 318fa388916SAnthony Liguori } 319fa388916SAnthony Liguori 320fa388916SAnthony Liguori if (flags & H_READ_4) { 321fa388916SAnthony Liguori /* Clear the two low order bits */ 322fa388916SAnthony Liguori pte_index &= ~(3ULL); 323fa388916SAnthony Liguori n_entries = 4; 324fa388916SAnthony Liguori } 325fa388916SAnthony Liguori 326fa388916SAnthony Liguori hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); 327fa388916SAnthony Liguori 328fa388916SAnthony Liguori for (i = 0, ridx = 0; i < n_entries; i++) { 329fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte); 330fa388916SAnthony Liguori args[ridx++] = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); 331fa388916SAnthony Liguori hpte += HASH_PTE_SIZE_64; 332fa388916SAnthony Liguori } 333fa388916SAnthony Liguori 334fa388916SAnthony Liguori return H_SUCCESS; 335fa388916SAnthony Liguori } 336fa388916SAnthony Liguori 3379f64bd8aSPaolo Bonzini static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPREnvironment *spapr, 3389f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 3399f64bd8aSPaolo Bonzini { 3409f64bd8aSPaolo Bonzini /* FIXME: actually implement this */ 3419f64bd8aSPaolo Bonzini return H_HARDWARE; 3429f64bd8aSPaolo Bonzini } 3439f64bd8aSPaolo Bonzini 3449f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_VPA 0x0000200000000000ULL 3459f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_DTL 0x0000400000000000ULL 3469f64bd8aSPaolo Bonzini #define FLAGS_REGISTER_SLBSHADOW 0x0000600000000000ULL 3479f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_VPA 0x0000a00000000000ULL 3489f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_DTL 0x0000c00000000000ULL 3499f64bd8aSPaolo Bonzini #define FLAGS_DEREGISTER_SLBSHADOW 0x0000e00000000000ULL 3509f64bd8aSPaolo Bonzini 3519f64bd8aSPaolo Bonzini #define VPA_MIN_SIZE 640 3529f64bd8aSPaolo Bonzini #define VPA_SIZE_OFFSET 0x4 3539f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_OFFSET 0x9 3549f64bd8aSPaolo Bonzini #define VPA_SHARED_PROC_VAL 0x2 3559f64bd8aSPaolo Bonzini 3569f64bd8aSPaolo Bonzini static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) 3579f64bd8aSPaolo Bonzini { 35833276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 3599f64bd8aSPaolo Bonzini uint16_t size; 3609f64bd8aSPaolo Bonzini uint8_t tmp; 3619f64bd8aSPaolo Bonzini 3629f64bd8aSPaolo Bonzini if (vpa == 0) { 3639f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with registering a VPA at logical 0\n"); 3649f64bd8aSPaolo Bonzini return H_HARDWARE; 3659f64bd8aSPaolo Bonzini } 3669f64bd8aSPaolo Bonzini 3679f64bd8aSPaolo Bonzini if (vpa % env->dcache_line_size) { 3689f64bd8aSPaolo Bonzini return H_PARAMETER; 3699f64bd8aSPaolo Bonzini } 3709f64bd8aSPaolo Bonzini /* FIXME: bounds check the address */ 3719f64bd8aSPaolo Bonzini 37241701aa4SEdgar E. Iglesias size = lduw_be_phys(cs->as, vpa + 0x4); 3739f64bd8aSPaolo Bonzini 3749f64bd8aSPaolo Bonzini if (size < VPA_MIN_SIZE) { 3759f64bd8aSPaolo Bonzini return H_PARAMETER; 3769f64bd8aSPaolo Bonzini } 3779f64bd8aSPaolo Bonzini 3789f64bd8aSPaolo Bonzini /* VPA is not allowed to cross a page boundary */ 3799f64bd8aSPaolo Bonzini if ((vpa / 4096) != ((vpa + size - 1) / 4096)) { 3809f64bd8aSPaolo Bonzini return H_PARAMETER; 3819f64bd8aSPaolo Bonzini } 3829f64bd8aSPaolo Bonzini 3839f64bd8aSPaolo Bonzini env->vpa_addr = vpa; 3849f64bd8aSPaolo Bonzini 3852c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET); 3869f64bd8aSPaolo Bonzini tmp |= VPA_SHARED_PROC_VAL; 387db3be60dSEdgar E. Iglesias stb_phys(cs->as, env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); 3889f64bd8aSPaolo Bonzini 3899f64bd8aSPaolo Bonzini return H_SUCCESS; 3909f64bd8aSPaolo Bonzini } 3919f64bd8aSPaolo Bonzini 3929f64bd8aSPaolo Bonzini static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) 3939f64bd8aSPaolo Bonzini { 3949f64bd8aSPaolo Bonzini if (env->slb_shadow_addr) { 3959f64bd8aSPaolo Bonzini return H_RESOURCE; 3969f64bd8aSPaolo Bonzini } 3979f64bd8aSPaolo Bonzini 3989f64bd8aSPaolo Bonzini if (env->dtl_addr) { 3999f64bd8aSPaolo Bonzini return H_RESOURCE; 4009f64bd8aSPaolo Bonzini } 4019f64bd8aSPaolo Bonzini 4029f64bd8aSPaolo Bonzini env->vpa_addr = 0; 4039f64bd8aSPaolo Bonzini return H_SUCCESS; 4049f64bd8aSPaolo Bonzini } 4059f64bd8aSPaolo Bonzini 4069f64bd8aSPaolo Bonzini static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) 4079f64bd8aSPaolo Bonzini { 40833276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 4099f64bd8aSPaolo Bonzini uint32_t size; 4109f64bd8aSPaolo Bonzini 4119f64bd8aSPaolo Bonzini if (addr == 0) { 4129f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with SLB shadow at logical 0\n"); 4139f64bd8aSPaolo Bonzini return H_HARDWARE; 4149f64bd8aSPaolo Bonzini } 4159f64bd8aSPaolo Bonzini 416fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4179f64bd8aSPaolo Bonzini if (size < 0x8) { 4189f64bd8aSPaolo Bonzini return H_PARAMETER; 4199f64bd8aSPaolo Bonzini } 4209f64bd8aSPaolo Bonzini 4219f64bd8aSPaolo Bonzini if ((addr / 4096) != ((addr + size - 1) / 4096)) { 4229f64bd8aSPaolo Bonzini return H_PARAMETER; 4239f64bd8aSPaolo Bonzini } 4249f64bd8aSPaolo Bonzini 4259f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4269f64bd8aSPaolo Bonzini return H_RESOURCE; 4279f64bd8aSPaolo Bonzini } 4289f64bd8aSPaolo Bonzini 4299f64bd8aSPaolo Bonzini env->slb_shadow_addr = addr; 4309f64bd8aSPaolo Bonzini env->slb_shadow_size = size; 4319f64bd8aSPaolo Bonzini 4329f64bd8aSPaolo Bonzini return H_SUCCESS; 4339f64bd8aSPaolo Bonzini } 4349f64bd8aSPaolo Bonzini 4359f64bd8aSPaolo Bonzini static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) 4369f64bd8aSPaolo Bonzini { 4379f64bd8aSPaolo Bonzini env->slb_shadow_addr = 0; 4389f64bd8aSPaolo Bonzini env->slb_shadow_size = 0; 4399f64bd8aSPaolo Bonzini return H_SUCCESS; 4409f64bd8aSPaolo Bonzini } 4419f64bd8aSPaolo Bonzini 4429f64bd8aSPaolo Bonzini static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) 4439f64bd8aSPaolo Bonzini { 44433276f1bSAndreas Färber CPUState *cs = CPU(ppc_env_get_cpu(env)); 4459f64bd8aSPaolo Bonzini uint32_t size; 4469f64bd8aSPaolo Bonzini 4479f64bd8aSPaolo Bonzini if (addr == 0) { 4489f64bd8aSPaolo Bonzini hcall_dprintf("Can't cope with DTL at logical 0\n"); 4499f64bd8aSPaolo Bonzini return H_HARDWARE; 4509f64bd8aSPaolo Bonzini } 4519f64bd8aSPaolo Bonzini 452fdfba1a2SEdgar E. Iglesias size = ldl_be_phys(cs->as, addr + 0x4); 4539f64bd8aSPaolo Bonzini 4549f64bd8aSPaolo Bonzini if (size < 48) { 4559f64bd8aSPaolo Bonzini return H_PARAMETER; 4569f64bd8aSPaolo Bonzini } 4579f64bd8aSPaolo Bonzini 4589f64bd8aSPaolo Bonzini if (!env->vpa_addr) { 4599f64bd8aSPaolo Bonzini return H_RESOURCE; 4609f64bd8aSPaolo Bonzini } 4619f64bd8aSPaolo Bonzini 4629f64bd8aSPaolo Bonzini env->dtl_addr = addr; 4639f64bd8aSPaolo Bonzini env->dtl_size = size; 4649f64bd8aSPaolo Bonzini 4659f64bd8aSPaolo Bonzini return H_SUCCESS; 4669f64bd8aSPaolo Bonzini } 4679f64bd8aSPaolo Bonzini 4689f64bd8aSPaolo Bonzini static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) 4699f64bd8aSPaolo Bonzini { 4709f64bd8aSPaolo Bonzini env->dtl_addr = 0; 4719f64bd8aSPaolo Bonzini env->dtl_size = 0; 4729f64bd8aSPaolo Bonzini 4739f64bd8aSPaolo Bonzini return H_SUCCESS; 4749f64bd8aSPaolo Bonzini } 4759f64bd8aSPaolo Bonzini 4769f64bd8aSPaolo Bonzini static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPREnvironment *spapr, 4779f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 4789f64bd8aSPaolo Bonzini { 4799f64bd8aSPaolo Bonzini target_ulong flags = args[0]; 4809f64bd8aSPaolo Bonzini target_ulong procno = args[1]; 4819f64bd8aSPaolo Bonzini target_ulong vpa = args[2]; 4829f64bd8aSPaolo Bonzini target_ulong ret = H_PARAMETER; 4839f64bd8aSPaolo Bonzini CPUPPCState *tenv; 4840f20ba62SAlexey Kardashevskiy PowerPCCPU *tcpu; 4859f64bd8aSPaolo Bonzini 4860f20ba62SAlexey Kardashevskiy tcpu = ppc_get_vcpu_by_dt_id(procno); 4879f64bd8aSPaolo Bonzini if (!tcpu) { 4889f64bd8aSPaolo Bonzini return H_PARAMETER; 4899f64bd8aSPaolo Bonzini } 4900f20ba62SAlexey Kardashevskiy tenv = &tcpu->env; 4919f64bd8aSPaolo Bonzini 4929f64bd8aSPaolo Bonzini switch (flags) { 4939f64bd8aSPaolo Bonzini case FLAGS_REGISTER_VPA: 4949f64bd8aSPaolo Bonzini ret = register_vpa(tenv, vpa); 4959f64bd8aSPaolo Bonzini break; 4969f64bd8aSPaolo Bonzini 4979f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_VPA: 4989f64bd8aSPaolo Bonzini ret = deregister_vpa(tenv, vpa); 4999f64bd8aSPaolo Bonzini break; 5009f64bd8aSPaolo Bonzini 5019f64bd8aSPaolo Bonzini case FLAGS_REGISTER_SLBSHADOW: 5029f64bd8aSPaolo Bonzini ret = register_slb_shadow(tenv, vpa); 5039f64bd8aSPaolo Bonzini break; 5049f64bd8aSPaolo Bonzini 5059f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_SLBSHADOW: 5069f64bd8aSPaolo Bonzini ret = deregister_slb_shadow(tenv, vpa); 5079f64bd8aSPaolo Bonzini break; 5089f64bd8aSPaolo Bonzini 5099f64bd8aSPaolo Bonzini case FLAGS_REGISTER_DTL: 5109f64bd8aSPaolo Bonzini ret = register_dtl(tenv, vpa); 5119f64bd8aSPaolo Bonzini break; 5129f64bd8aSPaolo Bonzini 5139f64bd8aSPaolo Bonzini case FLAGS_DEREGISTER_DTL: 5149f64bd8aSPaolo Bonzini ret = deregister_dtl(tenv, vpa); 5159f64bd8aSPaolo Bonzini break; 5169f64bd8aSPaolo Bonzini } 5179f64bd8aSPaolo Bonzini 5189f64bd8aSPaolo Bonzini return ret; 5199f64bd8aSPaolo Bonzini } 5209f64bd8aSPaolo Bonzini 5219f64bd8aSPaolo Bonzini static target_ulong h_cede(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5229f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5239f64bd8aSPaolo Bonzini { 5249f64bd8aSPaolo Bonzini CPUPPCState *env = &cpu->env; 5259f64bd8aSPaolo Bonzini CPUState *cs = CPU(cpu); 5269f64bd8aSPaolo Bonzini 5279f64bd8aSPaolo Bonzini env->msr |= (1ULL << MSR_EE); 5289f64bd8aSPaolo Bonzini hreg_compute_hflags(env); 5299f64bd8aSPaolo Bonzini if (!cpu_has_work(cs)) { 530259186a7SAndreas Färber cs->halted = 1; 53127103424SAndreas Färber cs->exception_index = EXCP_HLT; 5329f64bd8aSPaolo Bonzini cs->exit_request = 1; 5339f64bd8aSPaolo Bonzini } 5349f64bd8aSPaolo Bonzini return H_SUCCESS; 5359f64bd8aSPaolo Bonzini } 5369f64bd8aSPaolo Bonzini 5379f64bd8aSPaolo Bonzini static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5389f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5399f64bd8aSPaolo Bonzini { 5409f64bd8aSPaolo Bonzini target_ulong rtas_r3 = args[0]; 5414fe822e0SAlexey Kardashevskiy uint32_t token = rtas_ld(rtas_r3, 0); 5424fe822e0SAlexey Kardashevskiy uint32_t nargs = rtas_ld(rtas_r3, 1); 5434fe822e0SAlexey Kardashevskiy uint32_t nret = rtas_ld(rtas_r3, 2); 5449f64bd8aSPaolo Bonzini 545210b580bSAnthony Liguori return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12, 5469f64bd8aSPaolo Bonzini nret, rtas_r3 + 12 + 4*nargs); 5479f64bd8aSPaolo Bonzini } 5489f64bd8aSPaolo Bonzini 5499f64bd8aSPaolo Bonzini static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5509f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5519f64bd8aSPaolo Bonzini { 552fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 5539f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5549f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5559f64bd8aSPaolo Bonzini 5569f64bd8aSPaolo Bonzini switch (size) { 5579f64bd8aSPaolo Bonzini case 1: 5582c17449bSEdgar E. Iglesias args[0] = ldub_phys(cs->as, addr); 5599f64bd8aSPaolo Bonzini return H_SUCCESS; 5609f64bd8aSPaolo Bonzini case 2: 56141701aa4SEdgar E. Iglesias args[0] = lduw_phys(cs->as, addr); 5629f64bd8aSPaolo Bonzini return H_SUCCESS; 5639f64bd8aSPaolo Bonzini case 4: 564fdfba1a2SEdgar E. Iglesias args[0] = ldl_phys(cs->as, addr); 5659f64bd8aSPaolo Bonzini return H_SUCCESS; 5669f64bd8aSPaolo Bonzini case 8: 5672c17449bSEdgar E. Iglesias args[0] = ldq_phys(cs->as, addr); 5689f64bd8aSPaolo Bonzini return H_SUCCESS; 5699f64bd8aSPaolo Bonzini } 5709f64bd8aSPaolo Bonzini return H_PARAMETER; 5719f64bd8aSPaolo Bonzini } 5729f64bd8aSPaolo Bonzini 5739f64bd8aSPaolo Bonzini static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, 5749f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 5759f64bd8aSPaolo Bonzini { 576f606604fSEdgar E. Iglesias CPUState *cs = CPU(cpu); 577f606604fSEdgar E. Iglesias 5789f64bd8aSPaolo Bonzini target_ulong size = args[0]; 5799f64bd8aSPaolo Bonzini target_ulong addr = args[1]; 5809f64bd8aSPaolo Bonzini target_ulong val = args[2]; 5819f64bd8aSPaolo Bonzini 5829f64bd8aSPaolo Bonzini switch (size) { 5839f64bd8aSPaolo Bonzini case 1: 584db3be60dSEdgar E. Iglesias stb_phys(cs->as, addr, val); 5859f64bd8aSPaolo Bonzini return H_SUCCESS; 5869f64bd8aSPaolo Bonzini case 2: 5875ce5944dSEdgar E. Iglesias stw_phys(cs->as, addr, val); 5889f64bd8aSPaolo Bonzini return H_SUCCESS; 5899f64bd8aSPaolo Bonzini case 4: 590ab1da857SEdgar E. Iglesias stl_phys(cs->as, addr, val); 5919f64bd8aSPaolo Bonzini return H_SUCCESS; 5929f64bd8aSPaolo Bonzini case 8: 593f606604fSEdgar E. Iglesias stq_phys(cs->as, addr, val); 5949f64bd8aSPaolo Bonzini return H_SUCCESS; 5959f64bd8aSPaolo Bonzini } 5969f64bd8aSPaolo Bonzini return H_PARAMETER; 5979f64bd8aSPaolo Bonzini } 5989f64bd8aSPaolo Bonzini 5999f64bd8aSPaolo Bonzini static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6009f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6019f64bd8aSPaolo Bonzini { 602fdfba1a2SEdgar E. Iglesias CPUState *cs = CPU(cpu); 603fdfba1a2SEdgar E. Iglesias 6049f64bd8aSPaolo Bonzini target_ulong dst = args[0]; /* Destination address */ 6059f64bd8aSPaolo Bonzini target_ulong src = args[1]; /* Source address */ 6069f64bd8aSPaolo Bonzini target_ulong esize = args[2]; /* Element size (0=1,1=2,2=4,3=8) */ 6079f64bd8aSPaolo Bonzini target_ulong count = args[3]; /* Element count */ 6089f64bd8aSPaolo Bonzini target_ulong op = args[4]; /* 0 = copy, 1 = invert */ 6099f64bd8aSPaolo Bonzini uint64_t tmp; 6109f64bd8aSPaolo Bonzini unsigned int mask = (1 << esize) - 1; 6119f64bd8aSPaolo Bonzini int step = 1 << esize; 6129f64bd8aSPaolo Bonzini 6139f64bd8aSPaolo Bonzini if (count > 0x80000000) { 6149f64bd8aSPaolo Bonzini return H_PARAMETER; 6159f64bd8aSPaolo Bonzini } 6169f64bd8aSPaolo Bonzini 6179f64bd8aSPaolo Bonzini if ((dst & mask) || (src & mask) || (op > 1)) { 6189f64bd8aSPaolo Bonzini return H_PARAMETER; 6199f64bd8aSPaolo Bonzini } 6209f64bd8aSPaolo Bonzini 6219f64bd8aSPaolo Bonzini if (dst >= src && dst < (src + (count << esize))) { 6229f64bd8aSPaolo Bonzini dst = dst + ((count - 1) << esize); 6239f64bd8aSPaolo Bonzini src = src + ((count - 1) << esize); 6249f64bd8aSPaolo Bonzini step = -step; 6259f64bd8aSPaolo Bonzini } 6269f64bd8aSPaolo Bonzini 6279f64bd8aSPaolo Bonzini while (count--) { 6289f64bd8aSPaolo Bonzini switch (esize) { 6299f64bd8aSPaolo Bonzini case 0: 6302c17449bSEdgar E. Iglesias tmp = ldub_phys(cs->as, src); 6319f64bd8aSPaolo Bonzini break; 6329f64bd8aSPaolo Bonzini case 1: 63341701aa4SEdgar E. Iglesias tmp = lduw_phys(cs->as, src); 6349f64bd8aSPaolo Bonzini break; 6359f64bd8aSPaolo Bonzini case 2: 636fdfba1a2SEdgar E. Iglesias tmp = ldl_phys(cs->as, src); 6379f64bd8aSPaolo Bonzini break; 6389f64bd8aSPaolo Bonzini case 3: 6392c17449bSEdgar E. Iglesias tmp = ldq_phys(cs->as, src); 6409f64bd8aSPaolo Bonzini break; 6419f64bd8aSPaolo Bonzini default: 6429f64bd8aSPaolo Bonzini return H_PARAMETER; 6439f64bd8aSPaolo Bonzini } 6449f64bd8aSPaolo Bonzini if (op == 1) { 6459f64bd8aSPaolo Bonzini tmp = ~tmp; 6469f64bd8aSPaolo Bonzini } 6479f64bd8aSPaolo Bonzini switch (esize) { 6489f64bd8aSPaolo Bonzini case 0: 649db3be60dSEdgar E. Iglesias stb_phys(cs->as, dst, tmp); 6509f64bd8aSPaolo Bonzini break; 6519f64bd8aSPaolo Bonzini case 1: 6525ce5944dSEdgar E. Iglesias stw_phys(cs->as, dst, tmp); 6539f64bd8aSPaolo Bonzini break; 6549f64bd8aSPaolo Bonzini case 2: 655ab1da857SEdgar E. Iglesias stl_phys(cs->as, dst, tmp); 6569f64bd8aSPaolo Bonzini break; 6579f64bd8aSPaolo Bonzini case 3: 658f606604fSEdgar E. Iglesias stq_phys(cs->as, dst, tmp); 6599f64bd8aSPaolo Bonzini break; 6609f64bd8aSPaolo Bonzini } 6619f64bd8aSPaolo Bonzini dst = dst + step; 6629f64bd8aSPaolo Bonzini src = src + step; 6639f64bd8aSPaolo Bonzini } 6649f64bd8aSPaolo Bonzini 6659f64bd8aSPaolo Bonzini return H_SUCCESS; 6669f64bd8aSPaolo Bonzini } 6679f64bd8aSPaolo Bonzini 6689f64bd8aSPaolo Bonzini static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6699f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6709f64bd8aSPaolo Bonzini { 6719f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6729f64bd8aSPaolo Bonzini return H_SUCCESS; 6739f64bd8aSPaolo Bonzini } 6749f64bd8aSPaolo Bonzini 6759f64bd8aSPaolo Bonzini static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, 6769f64bd8aSPaolo Bonzini target_ulong opcode, target_ulong *args) 6779f64bd8aSPaolo Bonzini { 6789f64bd8aSPaolo Bonzini /* Nothing to do on emulation, KVM will trap this in the kernel */ 6799f64bd8aSPaolo Bonzini return H_SUCCESS; 6809f64bd8aSPaolo Bonzini } 6819f64bd8aSPaolo Bonzini 68242561bf2SAnton Blanchard static target_ulong h_set_mode(PowerPCCPU *cpu, sPAPREnvironment *spapr, 68342561bf2SAnton Blanchard target_ulong opcode, target_ulong *args) 68442561bf2SAnton Blanchard { 68542561bf2SAnton Blanchard CPUState *cs; 68642561bf2SAnton Blanchard target_ulong mflags = args[0]; 68742561bf2SAnton Blanchard target_ulong resource = args[1]; 68842561bf2SAnton Blanchard target_ulong value1 = args[2]; 68942561bf2SAnton Blanchard target_ulong value2 = args[3]; 69042561bf2SAnton Blanchard target_ulong ret = H_P2; 69142561bf2SAnton Blanchard 69242561bf2SAnton Blanchard if (resource == H_SET_MODE_ENDIAN) { 69342561bf2SAnton Blanchard if (value1) { 69442561bf2SAnton Blanchard ret = H_P3; 69542561bf2SAnton Blanchard goto out; 69642561bf2SAnton Blanchard } 69742561bf2SAnton Blanchard if (value2) { 69842561bf2SAnton Blanchard ret = H_P4; 69942561bf2SAnton Blanchard goto out; 70042561bf2SAnton Blanchard } 70142561bf2SAnton Blanchard 70242561bf2SAnton Blanchard switch (mflags) { 70342561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_BIG: 704bdc44640SAndreas Färber CPU_FOREACH(cs) { 70542561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 70642561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 70742561bf2SAnton Blanchard env->spr[SPR_LPCR] &= ~LPCR_ILE; 70842561bf2SAnton Blanchard } 70942561bf2SAnton Blanchard ret = H_SUCCESS; 71042561bf2SAnton Blanchard break; 71142561bf2SAnton Blanchard 71242561bf2SAnton Blanchard case H_SET_MODE_ENDIAN_LITTLE: 713bdc44640SAndreas Färber CPU_FOREACH(cs) { 71442561bf2SAnton Blanchard PowerPCCPU *cp = POWERPC_CPU(cs); 71542561bf2SAnton Blanchard CPUPPCState *env = &cp->env; 71642561bf2SAnton Blanchard env->spr[SPR_LPCR] |= LPCR_ILE; 71742561bf2SAnton Blanchard } 71842561bf2SAnton Blanchard ret = H_SUCCESS; 71942561bf2SAnton Blanchard break; 72042561bf2SAnton Blanchard 72142561bf2SAnton Blanchard default: 72242561bf2SAnton Blanchard ret = H_UNSUPPORTED_FLAG; 72342561bf2SAnton Blanchard } 72442561bf2SAnton Blanchard } 72542561bf2SAnton Blanchard 72642561bf2SAnton Blanchard out: 72742561bf2SAnton Blanchard return ret; 72842561bf2SAnton Blanchard } 72942561bf2SAnton Blanchard 7309f64bd8aSPaolo Bonzini static spapr_hcall_fn papr_hypercall_table[(MAX_HCALL_OPCODE / 4) + 1]; 7319f64bd8aSPaolo Bonzini static spapr_hcall_fn kvmppc_hypercall_table[KVMPPC_HCALL_MAX - KVMPPC_HCALL_BASE + 1]; 7329f64bd8aSPaolo Bonzini 7339f64bd8aSPaolo Bonzini void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) 7349f64bd8aSPaolo Bonzini { 7359f64bd8aSPaolo Bonzini spapr_hcall_fn *slot; 7369f64bd8aSPaolo Bonzini 7379f64bd8aSPaolo Bonzini if (opcode <= MAX_HCALL_OPCODE) { 7389f64bd8aSPaolo Bonzini assert((opcode & 0x3) == 0); 7399f64bd8aSPaolo Bonzini 7409f64bd8aSPaolo Bonzini slot = &papr_hypercall_table[opcode / 4]; 7419f64bd8aSPaolo Bonzini } else { 7429f64bd8aSPaolo Bonzini assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); 7439f64bd8aSPaolo Bonzini 7449f64bd8aSPaolo Bonzini slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7459f64bd8aSPaolo Bonzini } 7469f64bd8aSPaolo Bonzini 7479f64bd8aSPaolo Bonzini assert(!(*slot)); 7489f64bd8aSPaolo Bonzini *slot = fn; 7499f64bd8aSPaolo Bonzini } 7509f64bd8aSPaolo Bonzini 7519f64bd8aSPaolo Bonzini target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, 7529f64bd8aSPaolo Bonzini target_ulong *args) 7539f64bd8aSPaolo Bonzini { 7549f64bd8aSPaolo Bonzini if ((opcode <= MAX_HCALL_OPCODE) 7559f64bd8aSPaolo Bonzini && ((opcode & 0x3) == 0)) { 7569f64bd8aSPaolo Bonzini spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; 7579f64bd8aSPaolo Bonzini 7589f64bd8aSPaolo Bonzini if (fn) { 7599f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7609f64bd8aSPaolo Bonzini } 7619f64bd8aSPaolo Bonzini } else if ((opcode >= KVMPPC_HCALL_BASE) && 7629f64bd8aSPaolo Bonzini (opcode <= KVMPPC_HCALL_MAX)) { 7639f64bd8aSPaolo Bonzini spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; 7649f64bd8aSPaolo Bonzini 7659f64bd8aSPaolo Bonzini if (fn) { 7669f64bd8aSPaolo Bonzini return fn(cpu, spapr, opcode, args); 7679f64bd8aSPaolo Bonzini } 7689f64bd8aSPaolo Bonzini } 7699f64bd8aSPaolo Bonzini 7709f64bd8aSPaolo Bonzini hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode); 7719f64bd8aSPaolo Bonzini return H_FUNCTION; 7729f64bd8aSPaolo Bonzini } 7739f64bd8aSPaolo Bonzini 7749f64bd8aSPaolo Bonzini static void hypercall_register_types(void) 7759f64bd8aSPaolo Bonzini { 7769f64bd8aSPaolo Bonzini /* hcall-pft */ 7779f64bd8aSPaolo Bonzini spapr_register_hypercall(H_ENTER, h_enter); 7789f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REMOVE, h_remove); 7799f64bd8aSPaolo Bonzini spapr_register_hypercall(H_PROTECT, h_protect); 780fa388916SAnthony Liguori spapr_register_hypercall(H_READ, h_read); 7819f64bd8aSPaolo Bonzini 7829f64bd8aSPaolo Bonzini /* hcall-bulk */ 7839f64bd8aSPaolo Bonzini spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove); 7849f64bd8aSPaolo Bonzini 7859f64bd8aSPaolo Bonzini /* hcall-dabr */ 7869f64bd8aSPaolo Bonzini spapr_register_hypercall(H_SET_DABR, h_set_dabr); 7879f64bd8aSPaolo Bonzini 7889f64bd8aSPaolo Bonzini /* hcall-splpar */ 7899f64bd8aSPaolo Bonzini spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa); 7909f64bd8aSPaolo Bonzini spapr_register_hypercall(H_CEDE, h_cede); 7919f64bd8aSPaolo Bonzini 7929f64bd8aSPaolo Bonzini /* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate 7939f64bd8aSPaolo Bonzini * here between the "CI" and the "CACHE" variants, they will use whatever 7949f64bd8aSPaolo Bonzini * mapping attributes qemu is using. When using KVM, the kernel will 7959f64bd8aSPaolo Bonzini * enforce the attributes more strongly 7969f64bd8aSPaolo Bonzini */ 7979f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_LOAD, h_logical_load); 7989f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CI_STORE, h_logical_store); 7999f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_LOAD, h_logical_load); 8009f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_CACHE_STORE, h_logical_store); 8019f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_ICBI, h_logical_icbi); 8029f64bd8aSPaolo Bonzini spapr_register_hypercall(H_LOGICAL_DCBF, h_logical_dcbf); 8039f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_LOGICAL_MEMOP, h_logical_memop); 8049f64bd8aSPaolo Bonzini 8059f64bd8aSPaolo Bonzini /* qemu/KVM-PPC specific hcalls */ 8069f64bd8aSPaolo Bonzini spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas); 80742561bf2SAnton Blanchard 80842561bf2SAnton Blanchard spapr_register_hypercall(H_SET_MODE, h_set_mode); 8099f64bd8aSPaolo Bonzini } 8109f64bd8aSPaolo Bonzini 8119f64bd8aSPaolo Bonzini type_init(hypercall_register_types) 812