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(PowerPCCPU *cpu); 8 int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, 9 target_ulong esid, target_ulong vsid); 10 bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, 11 hwaddr *raddrp, int *psizep, int *protp, int mmu_idx, 12 bool guest_visible); 13 void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu, 14 target_ulong pte_index, 15 target_ulong pte0, target_ulong pte1); 16 unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu, 17 uint64_t pte0, uint64_t pte1); 18 void ppc_hash64_init(PowerPCCPU *cpu); 19 void ppc_hash64_finalize(PowerPCCPU *cpu); 20 #endif 21 22 /* 23 * SLB definitions 24 */ 25 26 /* Bits in the SLB ESID word */ 27 #define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL 28 #define SLB_ESID_V 0x0000000008000000ULL /* valid */ 29 30 /* Bits in the SLB VSID word */ 31 #define SLB_VSID_SHIFT 12 32 #define SLB_VSID_SHIFT_1T 24 33 #define SLB_VSID_SSIZE_SHIFT 62 34 #define SLB_VSID_B 0xc000000000000000ULL 35 #define SLB_VSID_B_256M 0x0000000000000000ULL 36 #define SLB_VSID_B_1T 0x4000000000000000ULL 37 #define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL 38 #define SLB_VSID_VRMA (0x0001FFFFFF000000ULL | SLB_VSID_B_1T) 39 #define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID) 40 #define SLB_VSID_KS 0x0000000000000800ULL 41 #define SLB_VSID_KP 0x0000000000000400ULL 42 #define SLB_VSID_N 0x0000000000000200ULL /* no-execute */ 43 #define SLB_VSID_L 0x0000000000000100ULL 44 #define SLB_VSID_L_SHIFT PPC_BIT_NR(55) 45 #define SLB_VSID_C 0x0000000000000080ULL /* class */ 46 #define SLB_VSID_LP 0x0000000000000030ULL 47 #define SLB_VSID_LP_SHIFT PPC_BIT_NR(59) 48 #define SLB_VSID_ATTR 0x0000000000000FFFULL 49 #define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) 50 #define SLB_VSID_4K 0x0000000000000000ULL 51 #define SLB_VSID_64K 0x0000000000000110ULL 52 #define SLB_VSID_16M 0x0000000000000100ULL 53 #define SLB_VSID_16G 0x0000000000000120ULL 54 55 /* 56 * Hash page table definitions 57 */ 58 59 #define SDR_64_HTABORG 0x0FFFFFFFFFFC0000ULL 60 #define SDR_64_HTABSIZE 0x000000000000001FULL 61 62 #define PATE0_HTABORG 0x0FFFFFFFFFFC0000ULL 63 #define PATE0_PS PPC_BITMASK(56, 58) 64 #define PATE0_GET_PS(dw0) (((dw0) & PATE0_PS) >> PPC_BIT_NR(58)) 65 66 #define HPTES_PER_GROUP 8 67 #define HASH_PTE_SIZE_64 16 68 #define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) 69 70 #define HPTE64_V_SSIZE SLB_VSID_B 71 #define HPTE64_V_SSIZE_256M SLB_VSID_B_256M 72 #define HPTE64_V_SSIZE_1T SLB_VSID_B_1T 73 #define HPTE64_V_SSIZE_SHIFT 62 74 #define HPTE64_V_AVPN_SHIFT 7 75 #define HPTE64_V_AVPN 0x3fffffffffffff80ULL 76 #define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT) 77 #define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff83ULL)) 78 #define HPTE64_V_BOLTED 0x0000000000000010ULL 79 #define HPTE64_V_LARGE 0x0000000000000004ULL 80 #define HPTE64_V_SECONDARY 0x0000000000000002ULL 81 #define HPTE64_V_VALID 0x0000000000000001ULL 82 83 #define HPTE64_R_PP0 0x8000000000000000ULL 84 #define HPTE64_R_TS 0x4000000000000000ULL 85 #define HPTE64_R_KEY_HI 0x3000000000000000ULL 86 #define HPTE64_R_RPN_SHIFT 12 87 #define HPTE64_R_RPN 0x0ffffffffffff000ULL 88 #define HPTE64_R_FLAGS 0x00000000000003ffULL 89 #define HPTE64_R_PP 0x0000000000000003ULL 90 #define HPTE64_R_N 0x0000000000000004ULL 91 #define HPTE64_R_G 0x0000000000000008ULL 92 #define HPTE64_R_M 0x0000000000000010ULL 93 #define HPTE64_R_I 0x0000000000000020ULL 94 #define HPTE64_R_W 0x0000000000000040ULL 95 #define HPTE64_R_WIMG 0x0000000000000078ULL 96 #define HPTE64_R_C 0x0000000000000080ULL 97 #define HPTE64_R_R 0x0000000000000100ULL 98 #define HPTE64_R_KEY_LO 0x0000000000000e00ULL 99 #define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 57) | \ 100 (((x) & HPTE64_R_KEY_LO) >> 9)) 101 102 #define HPTE64_V_1TB_SEG 0x4000000000000000ULL 103 #define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL 104 105 /* PTE offsets */ 106 #define HPTE64_DW1 (HASH_PTE_SIZE_64 / 2) 107 #define HPTE64_DW1_R (HPTE64_DW1 + 6) 108 #define HPTE64_DW1_C (HPTE64_DW1 + 7) 109 110 /* Format changes for ARCH v3 */ 111 #define HPTE64_V_COMMON_BITS 0x000fffffffffffffULL 112 #define HPTE64_R_3_0_SSIZE_SHIFT 58 113 #define HPTE64_R_3_0_SSIZE_MASK (3ULL << HPTE64_R_3_0_SSIZE_SHIFT) 114 115 struct ppc_hash_pte64 { 116 uint64_t pte0, pte1; 117 }; 118 119 const ppc_hash_pte64_t *ppc_hash64_map_hptes(PowerPCCPU *cpu, 120 hwaddr ptex, int n); 121 void ppc_hash64_unmap_hptes(PowerPCCPU *cpu, const ppc_hash_pte64_t *hptes, 122 hwaddr ptex, int n); 123 124 static inline uint64_t ppc_hash64_hpte0(PowerPCCPU *cpu, 125 const ppc_hash_pte64_t *hptes, int i) 126 { 127 return ldq_p(&(hptes[i].pte0)); 128 } 129 130 static inline uint64_t ppc_hash64_hpte1(PowerPCCPU *cpu, 131 const ppc_hash_pte64_t *hptes, int i) 132 { 133 return ldq_p(&(hptes[i].pte1)); 134 } 135 136 /* 137 * MMU Options 138 */ 139 140 struct PPCHash64PageSize { 141 uint32_t page_shift; /* Page shift (or 0) */ 142 uint32_t pte_enc; /* Encoding in the HPTE (>>12) */ 143 }; 144 typedef struct PPCHash64PageSize PPCHash64PageSize; 145 146 struct PPCHash64SegmentPageSizes { 147 uint32_t page_shift; /* Base page shift of segment (or 0) */ 148 uint32_t slb_enc; /* SLB encoding for BookS */ 149 PPCHash64PageSize enc[PPC_PAGE_SIZES_MAX_SZ]; 150 }; 151 152 struct PPCHash64Options { 153 #define PPC_HASH64_1TSEG 0x00001 154 #define PPC_HASH64_AMR 0x00002 155 #define PPC_HASH64_CI_LARGEPAGE 0x00004 156 unsigned flags; 157 unsigned slb_size; 158 PPCHash64SegmentPageSizes sps[PPC_PAGE_SIZES_MAX_SZ]; 159 }; 160 161 extern const PPCHash64Options ppc_hash64_opts_basic; 162 extern const PPCHash64Options ppc_hash64_opts_POWER7; 163 164 static inline bool ppc_hash64_has(PowerPCCPU *cpu, unsigned feature) 165 { 166 return !!(cpu->hash64_opts->flags & feature); 167 } 168 169 #endif /* CONFIG_USER_ONLY */ 170 171 #if defined(CONFIG_USER_ONLY) || !defined(TARGET_PPC64) 172 static inline void ppc_hash64_init(PowerPCCPU *cpu) 173 { 174 } 175 static inline void ppc_hash64_finalize(PowerPCCPU *cpu) 176 { 177 } 178 #endif 179 180 #endif /* MMU_HASH64_H */ 181