1 #ifndef MMU_HASH64_H 2 #define MMU_HASH64_H 3 4 #include "exec/tswap.h" 5 6 #ifndef CONFIG_USER_ONLY 7 8 #ifdef TARGET_PPC64 9 void dump_slb(PowerPCCPU *cpu); 10 int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, 11 target_ulong esid, target_ulong vsid); 12 bool ppc_hash64_xlate(PowerPCCPU *cpu, vaddr eaddr, MMUAccessType access_type, 13 hwaddr *raddrp, int *psizep, int *protp, int mmu_idx, 14 bool guest_visible); 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_hash64_init(PowerPCCPU *cpu); 21 void ppc_hash64_finalize(PowerPCCPU *cpu); 22 #endif 23 24 /* 25 * SLB definitions 26 */ 27 28 /* Bits in the SLB ESID word */ 29 #define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL 30 #define SLB_ESID_V 0x0000000008000000ULL /* valid */ 31 32 /* Bits in the SLB VSID word */ 33 #define SLB_VSID_SHIFT 12 34 #define SLB_VSID_SHIFT_1T 24 35 #define SLB_VSID_SSIZE_SHIFT 62 36 #define SLB_VSID_B 0xc000000000000000ULL 37 #define SLB_VSID_B_256M 0x0000000000000000ULL 38 #define SLB_VSID_B_1T 0x4000000000000000ULL 39 #define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL 40 #define SLB_VSID_VRMA (0x0001FFFFFF000000ULL | SLB_VSID_B_1T) 41 #define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID) 42 #define SLB_VSID_KS 0x0000000000000800ULL 43 #define SLB_VSID_KP 0x0000000000000400ULL 44 #define SLB_VSID_N 0x0000000000000200ULL /* no-execute */ 45 #define SLB_VSID_L 0x0000000000000100ULL 46 #define SLB_VSID_L_SHIFT PPC_BIT_NR(55) 47 #define SLB_VSID_C 0x0000000000000080ULL /* class */ 48 #define SLB_VSID_LP 0x0000000000000030ULL 49 #define SLB_VSID_LP_SHIFT PPC_BIT_NR(59) 50 #define SLB_VSID_ATTR 0x0000000000000FFFULL 51 #define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) 52 #define SLB_VSID_4K 0x0000000000000000ULL 53 #define SLB_VSID_64K 0x0000000000000110ULL 54 #define SLB_VSID_16M 0x0000000000000100ULL 55 #define SLB_VSID_16G 0x0000000000000120ULL 56 57 /* 58 * Hash page table definitions 59 */ 60 61 #define SDR_64_HTABORG 0x0FFFFFFFFFFC0000ULL 62 #define SDR_64_HTABSIZE 0x000000000000001FULL 63 64 #define PATE0_HTABORG 0x0FFFFFFFFFFC0000ULL 65 #define PATE0_PS PPC_BITMASK(56, 58) 66 #define PATE0_GET_PS(dw0) (((dw0) & PATE0_PS) >> PPC_BIT_NR(58)) 67 68 #define HPTES_PER_GROUP 8 69 #define HASH_PTE_SIZE_64 16 70 #define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) 71 72 #define HPTE64_V_SSIZE SLB_VSID_B 73 #define HPTE64_V_SSIZE_256M SLB_VSID_B_256M 74 #define HPTE64_V_SSIZE_1T SLB_VSID_B_1T 75 #define HPTE64_V_SSIZE_SHIFT 62 76 #define HPTE64_V_AVPN_SHIFT 7 77 #define HPTE64_V_AVPN 0x3fffffffffffff80ULL 78 #define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT) 79 #define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff83ULL)) 80 #define HPTE64_V_BOLTED 0x0000000000000010ULL 81 #define HPTE64_V_LARGE 0x0000000000000004ULL 82 #define HPTE64_V_SECONDARY 0x0000000000000002ULL 83 #define HPTE64_V_VALID 0x0000000000000001ULL 84 85 #define HPTE64_R_PP0 0x8000000000000000ULL 86 #define HPTE64_R_TS 0x4000000000000000ULL 87 #define HPTE64_R_KEY_HI 0x3000000000000000ULL 88 #define HPTE64_R_RPN_SHIFT 12 89 #define HPTE64_R_RPN 0x0ffffffffffff000ULL 90 #define HPTE64_R_FLAGS 0x00000000000003ffULL 91 #define HPTE64_R_PP 0x0000000000000003ULL 92 #define HPTE64_R_N 0x0000000000000004ULL 93 #define HPTE64_R_G 0x0000000000000008ULL 94 #define HPTE64_R_M 0x0000000000000010ULL 95 #define HPTE64_R_I 0x0000000000000020ULL 96 #define HPTE64_R_W 0x0000000000000040ULL 97 #define HPTE64_R_WIMG 0x0000000000000078ULL 98 #define HPTE64_R_C 0x0000000000000080ULL 99 #define HPTE64_R_R 0x0000000000000100ULL 100 #define HPTE64_R_KEY_LO 0x0000000000000e00ULL 101 #define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 57) | \ 102 (((x) & HPTE64_R_KEY_LO) >> 9)) 103 104 #define HPTE64_V_1TB_SEG 0x4000000000000000ULL 105 #define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL 106 107 /* PTE offsets */ 108 #define HPTE64_DW1 (HASH_PTE_SIZE_64 / 2) 109 #define HPTE64_DW1_R (HPTE64_DW1 + 6) 110 #define HPTE64_DW1_C (HPTE64_DW1 + 7) 111 112 /* Format changes for ARCH v3 */ 113 #define HPTE64_V_COMMON_BITS 0x000fffffffffffffULL 114 #define HPTE64_R_3_0_SSIZE_SHIFT 58 115 #define HPTE64_R_3_0_SSIZE_MASK (3ULL << HPTE64_R_3_0_SSIZE_SHIFT) 116 117 struct ppc_hash_pte64 { 118 uint64_t pte0, pte1; 119 }; 120 121 const ppc_hash_pte64_t *ppc_hash64_map_hptes(PowerPCCPU *cpu, 122 hwaddr ptex, int n); 123 void ppc_hash64_unmap_hptes(PowerPCCPU *cpu, const ppc_hash_pte64_t *hptes, 124 hwaddr ptex, int n); 125 bool ppc_hash64_valid_ptex(PowerPCCPU *cpu, target_ulong ptex); 126 127 static inline uint64_t ppc_hash64_hpte0(PowerPCCPU *cpu, 128 const ppc_hash_pte64_t *hptes, int i) 129 { 130 return ldq_p(&(hptes[i].pte0)); 131 } 132 133 static inline uint64_t ppc_hash64_hpte1(PowerPCCPU *cpu, 134 const ppc_hash_pte64_t *hptes, int i) 135 { 136 return ldq_p(&(hptes[i].pte1)); 137 } 138 139 /* 140 * MMU Options 141 */ 142 143 struct PPCHash64PageSize { 144 uint32_t page_shift; /* Page shift (or 0) */ 145 uint32_t pte_enc; /* Encoding in the HPTE (>>12) */ 146 }; 147 typedef struct PPCHash64PageSize PPCHash64PageSize; 148 149 struct PPCHash64SegmentPageSizes { 150 uint32_t page_shift; /* Base page shift of segment (or 0) */ 151 uint32_t slb_enc; /* SLB encoding for BookS */ 152 PPCHash64PageSize enc[PPC_PAGE_SIZES_MAX_SZ]; 153 }; 154 155 struct PPCHash64Options { 156 #define PPC_HASH64_1TSEG 0x00001 157 #define PPC_HASH64_AMR 0x00002 158 #define PPC_HASH64_CI_LARGEPAGE 0x00004 159 unsigned flags; 160 unsigned slb_size; 161 PPCHash64SegmentPageSizes sps[PPC_PAGE_SIZES_MAX_SZ]; 162 }; 163 164 extern const PPCHash64Options ppc_hash64_opts_basic; 165 extern const PPCHash64Options ppc_hash64_opts_POWER7; 166 167 static inline bool ppc_hash64_has(PowerPCCPU *cpu, unsigned feature) 168 { 169 return !!(cpu->hash64_opts->flags & feature); 170 } 171 172 #endif /* CONFIG_USER_ONLY */ 173 174 #if defined(CONFIG_USER_ONLY) || !defined(TARGET_PPC64) 175 static inline void ppc_hash64_init(PowerPCCPU *cpu) 176 { 177 } 178 static inline void ppc_hash64_finalize(PowerPCCPU *cpu) 179 { 180 } 181 #endif 182 183 #endif /* MMU_HASH64_H */ 184