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, target_ulong index, 14 target_ulong pte0, target_ulong 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_hash64_update_vrma(CPUPPCState *env); 21 void ppc_hash64_update_rmls(CPUPPCState *env); 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_C 0x0000000000000080ULL /* class */ 47 #define SLB_VSID_LP 0x0000000000000030ULL 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 HPTES_PER_GROUP 8 60 #define HASH_PTE_SIZE_64 16 61 #define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) 62 63 #define HPTE64_V_SSIZE_SHIFT 62 64 #define HPTE64_V_AVPN_SHIFT 7 65 #define HPTE64_V_AVPN 0x3fffffffffffff80ULL 66 #define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT) 67 #define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff83ULL)) 68 #define HPTE64_V_LARGE 0x0000000000000004ULL 69 #define HPTE64_V_SECONDARY 0x0000000000000002ULL 70 #define HPTE64_V_VALID 0x0000000000000001ULL 71 72 #define HPTE64_R_PP0 0x8000000000000000ULL 73 #define HPTE64_R_TS 0x4000000000000000ULL 74 #define HPTE64_R_KEY_HI 0x3000000000000000ULL 75 #define HPTE64_R_RPN_SHIFT 12 76 #define HPTE64_R_RPN 0x0ffffffffffff000ULL 77 #define HPTE64_R_FLAGS 0x00000000000003ffULL 78 #define HPTE64_R_PP 0x0000000000000003ULL 79 #define HPTE64_R_N 0x0000000000000004ULL 80 #define HPTE64_R_G 0x0000000000000008ULL 81 #define HPTE64_R_M 0x0000000000000010ULL 82 #define HPTE64_R_I 0x0000000000000020ULL 83 #define HPTE64_R_W 0x0000000000000040ULL 84 #define HPTE64_R_WIMG 0x0000000000000078ULL 85 #define HPTE64_R_C 0x0000000000000080ULL 86 #define HPTE64_R_R 0x0000000000000100ULL 87 #define HPTE64_R_KEY_LO 0x0000000000000e00ULL 88 #define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 60) | \ 89 (((x) & HPTE64_R_KEY_LO) >> 9)) 90 91 #define HPTE64_V_1TB_SEG 0x4000000000000000ULL 92 #define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL 93 94 void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value, 95 Error **errp); 96 void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift, 97 Error **errp); 98 99 uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index); 100 void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token); 101 102 static inline target_ulong ppc_hash64_load_hpte0(PowerPCCPU *cpu, 103 uint64_t token, int index) 104 { 105 CPUPPCState *env = &cpu->env; 106 uint64_t addr; 107 108 addr = token + (index * HASH_PTE_SIZE_64); 109 if (env->external_htab) { 110 return ldq_p((const void *)(uintptr_t)addr); 111 } else { 112 return ldq_phys(CPU(cpu)->as, addr); 113 } 114 } 115 116 static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu, 117 uint64_t token, int index) 118 { 119 CPUPPCState *env = &cpu->env; 120 uint64_t addr; 121 122 addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2; 123 if (env->external_htab) { 124 return ldq_p((const void *)(uintptr_t)addr); 125 } else { 126 return ldq_phys(CPU(cpu)->as, addr); 127 } 128 } 129 130 typedef struct { 131 uint64_t pte0, pte1; 132 } ppc_hash_pte64_t; 133 134 #endif /* CONFIG_USER_ONLY */ 135 136 #endif /* MMU_HASH64_H */ 137