1 #ifndef MMU_HASH64_H 2 #define MMU_HASH64_H 3 4 #ifndef CONFIG_USER_ONLY 5 6 #ifdef TARGET_PPC64 7 void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu); 8 int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, 9 target_ulong esid, target_ulong vsid); 10 hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr); 11 int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, vaddr address, int rw, 12 int mmu_idx); 13 void ppc_hash64_store_hpte(PowerPCCPU *cpu, hwaddr ptex, 14 uint64_t pte0, uint64_t pte1); 15 void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu, 16 target_ulong pte_index, 17 target_ulong pte0, target_ulong pte1); 18 unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu, 19 uint64_t pte0, uint64_t pte1); 20 void ppc_store_lpcr(PowerPCCPU *cpu, target_ulong val); 21 void ppc_hash64_init(PowerPCCPU *cpu); 22 void ppc_hash64_finalize(PowerPCCPU *cpu); 23 #endif 24 25 /* 26 * SLB definitions 27 */ 28 29 /* Bits in the SLB ESID word */ 30 #define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL 31 #define SLB_ESID_V 0x0000000008000000ULL /* valid */ 32 33 /* Bits in the SLB VSID word */ 34 #define SLB_VSID_SHIFT 12 35 #define SLB_VSID_SHIFT_1T 24 36 #define SLB_VSID_SSIZE_SHIFT 62 37 #define SLB_VSID_B 0xc000000000000000ULL 38 #define SLB_VSID_B_256M 0x0000000000000000ULL 39 #define SLB_VSID_B_1T 0x4000000000000000ULL 40 #define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL 41 #define SLB_VSID_VRMA (0x0001FFFFFF000000ULL | SLB_VSID_B_1T) 42 #define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID) 43 #define SLB_VSID_KS 0x0000000000000800ULL 44 #define SLB_VSID_KP 0x0000000000000400ULL 45 #define SLB_VSID_N 0x0000000000000200ULL /* no-execute */ 46 #define SLB_VSID_L 0x0000000000000100ULL 47 #define SLB_VSID_C 0x0000000000000080ULL /* class */ 48 #define SLB_VSID_LP 0x0000000000000030ULL 49 #define SLB_VSID_ATTR 0x0000000000000FFFULL 50 #define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) 51 #define SLB_VSID_4K 0x0000000000000000ULL 52 #define SLB_VSID_64K 0x0000000000000110ULL 53 #define SLB_VSID_16M 0x0000000000000100ULL 54 #define SLB_VSID_16G 0x0000000000000120ULL 55 56 /* 57 * Hash page table definitions 58 */ 59 60 #define SDR_64_HTABORG 0x0FFFFFFFFFFC0000ULL 61 #define SDR_64_HTABSIZE 0x000000000000001FULL 62 63 #define HPTES_PER_GROUP 8 64 #define HASH_PTE_SIZE_64 16 65 #define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) 66 67 #define HPTE64_V_SSIZE SLB_VSID_B 68 #define HPTE64_V_SSIZE_256M SLB_VSID_B_256M 69 #define HPTE64_V_SSIZE_1T SLB_VSID_B_1T 70 #define HPTE64_V_SSIZE_SHIFT 62 71 #define HPTE64_V_AVPN_SHIFT 7 72 #define HPTE64_V_AVPN 0x3fffffffffffff80ULL 73 #define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT) 74 #define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff83ULL)) 75 #define HPTE64_V_BOLTED 0x0000000000000010ULL 76 #define HPTE64_V_LARGE 0x0000000000000004ULL 77 #define HPTE64_V_SECONDARY 0x0000000000000002ULL 78 #define HPTE64_V_VALID 0x0000000000000001ULL 79 80 #define HPTE64_R_PP0 0x8000000000000000ULL 81 #define HPTE64_R_TS 0x4000000000000000ULL 82 #define HPTE64_R_KEY_HI 0x3000000000000000ULL 83 #define HPTE64_R_RPN_SHIFT 12 84 #define HPTE64_R_RPN 0x0ffffffffffff000ULL 85 #define HPTE64_R_FLAGS 0x00000000000003ffULL 86 #define HPTE64_R_PP 0x0000000000000003ULL 87 #define HPTE64_R_N 0x0000000000000004ULL 88 #define HPTE64_R_G 0x0000000000000008ULL 89 #define HPTE64_R_M 0x0000000000000010ULL 90 #define HPTE64_R_I 0x0000000000000020ULL 91 #define HPTE64_R_W 0x0000000000000040ULL 92 #define HPTE64_R_WIMG 0x0000000000000078ULL 93 #define HPTE64_R_C 0x0000000000000080ULL 94 #define HPTE64_R_R 0x0000000000000100ULL 95 #define HPTE64_R_KEY_LO 0x0000000000000e00ULL 96 #define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 57) | \ 97 (((x) & HPTE64_R_KEY_LO) >> 9)) 98 99 #define HPTE64_V_1TB_SEG 0x4000000000000000ULL 100 #define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL 101 102 static inline hwaddr ppc_hash64_hpt_base(PowerPCCPU *cpu) 103 { 104 if (cpu->vhyp) { 105 return 0; 106 } 107 return cpu->env.spr[SPR_SDR1] & SDR_64_HTABORG; 108 } 109 110 static inline hwaddr ppc_hash64_hpt_mask(PowerPCCPU *cpu) 111 { 112 if (cpu->vhyp) { 113 PPCVirtualHypervisorClass *vhc = 114 PPC_VIRTUAL_HYPERVISOR_GET_CLASS(cpu->vhyp); 115 return vhc->hpt_mask(cpu->vhyp); 116 } 117 return (1ULL << ((cpu->env.spr[SPR_SDR1] & SDR_64_HTABSIZE) + 18 - 7)) - 1; 118 } 119 120 struct ppc_hash_pte64 { 121 uint64_t pte0, pte1; 122 }; 123 124 const ppc_hash_pte64_t *ppc_hash64_map_hptes(PowerPCCPU *cpu, 125 hwaddr ptex, int n); 126 void ppc_hash64_unmap_hptes(PowerPCCPU *cpu, const ppc_hash_pte64_t *hptes, 127 hwaddr ptex, int n); 128 129 static inline uint64_t ppc_hash64_hpte0(PowerPCCPU *cpu, 130 const ppc_hash_pte64_t *hptes, int i) 131 { 132 return ldq_p(&(hptes[i].pte0)); 133 } 134 135 static inline uint64_t ppc_hash64_hpte1(PowerPCCPU *cpu, 136 const ppc_hash_pte64_t *hptes, int i) 137 { 138 return ldq_p(&(hptes[i].pte1)); 139 } 140 141 /* 142 * MMU Options 143 */ 144 145 struct PPCHash64PageSize { 146 uint32_t page_shift; /* Page shift (or 0) */ 147 uint32_t pte_enc; /* Encoding in the HPTE (>>12) */ 148 }; 149 typedef struct PPCHash64PageSize PPCHash64PageSize; 150 151 struct PPCHash64SegmentPageSizes { 152 uint32_t page_shift; /* Base page shift of segment (or 0) */ 153 uint32_t slb_enc; /* SLB encoding for BookS */ 154 PPCHash64PageSize enc[PPC_PAGE_SIZES_MAX_SZ]; 155 }; 156 157 struct PPCHash64Options { 158 #define PPC_HASH64_1TSEG 0x00001 159 #define PPC_HASH64_AMR 0x00002 160 #define PPC_HASH64_CI_LARGEPAGE 0x00004 161 unsigned flags; 162 unsigned slb_size; 163 PPCHash64SegmentPageSizes sps[PPC_PAGE_SIZES_MAX_SZ]; 164 }; 165 166 extern const PPCHash64Options ppc_hash64_opts_basic; 167 extern const PPCHash64Options ppc_hash64_opts_POWER7; 168 169 static inline bool ppc_hash64_has(PowerPCCPU *cpu, unsigned feature) 170 { 171 return !!(cpu->hash64_opts->flags & feature); 172 } 173 174 #endif /* CONFIG_USER_ONLY */ 175 176 #if defined(CONFIG_USER_ONLY) || !defined(TARGET_PPC64) 177 static inline void ppc_hash64_init(PowerPCCPU *cpu) 178 { 179 } 180 static inline void ppc_hash64_finalize(PowerPCCPU *cpu) 181 { 182 } 183 #endif 184 185 #endif /* MMU_HASH64_H */ 186