target-ppc/mmu-hash64.h

   1 #ifndef MMU_HASH64_H
   2 #define MMU_HASH64_H
   3
   4 #ifndef CONFIG_USER_ONLY
   5
   6 #ifdef TARGET_PPC64
   7 void ppc_hash64_check_page_sizes(PowerPCCPU *cpu, Error **errp);
   8 void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu);
   9 int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot,
  10                   target_ulong esid, target_ulong vsid);
  11 hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr);
  12 int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, vaddr address, int rw,
  13                                 int mmu_idx);
  14 void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong index,
  15                            target_ulong pte0, target_ulong pte1);
  16 void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu,
  17                                target_ulong pte_index,
  18                                target_ulong pte0, target_ulong pte1);
  19 unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu,
  20                                           uint64_t pte0, uint64_t pte1);
  21 void ppc_hash64_update_vrma(CPUPPCState *env);
  22 void ppc_hash64_update_rmls(CPUPPCState *env);
  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 HPTES_PER_GROUP         8
  61 #define HASH_PTE_SIZE_64        16
  62 #define HASH_PTEG_SIZE_64       (HASH_PTE_SIZE_64 * HPTES_PER_GROUP)
  63
  64 #define HPTE64_V_SSIZE_SHIFT    62
  65 #define HPTE64_V_AVPN_SHIFT     7
  66 #define HPTE64_V_AVPN           0x3fffffffffffff80ULL
  67 #define HPTE64_V_AVPN_VAL(x)    (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT)
  68 #define HPTE64_V_COMPARE(x, y)  (!(((x) ^ (y)) & 0xffffffffffffff83ULL))
  69 #define HPTE64_V_LARGE          0x0000000000000004ULL
  70 #define HPTE64_V_SECONDARY      0x0000000000000002ULL
  71 #define HPTE64_V_VALID          0x0000000000000001ULL
  72
  73 #define HPTE64_R_PP0            0x8000000000000000ULL
  74 #define HPTE64_R_TS             0x4000000000000000ULL
  75 #define HPTE64_R_KEY_HI         0x3000000000000000ULL
  76 #define HPTE64_R_RPN_SHIFT      12
  77 #define HPTE64_R_RPN            0x0ffffffffffff000ULL
  78 #define HPTE64_R_FLAGS          0x00000000000003ffULL
  79 #define HPTE64_R_PP             0x0000000000000003ULL
  80 #define HPTE64_R_N              0x0000000000000004ULL
  81 #define HPTE64_R_G              0x0000000000000008ULL
  82 #define HPTE64_R_M              0x0000000000000010ULL
  83 #define HPTE64_R_I              0x0000000000000020ULL
  84 #define HPTE64_R_W              0x0000000000000040ULL
  85 #define HPTE64_R_WIMG           0x0000000000000078ULL
  86 #define HPTE64_R_C              0x0000000000000080ULL
  87 #define HPTE64_R_R              0x0000000000000100ULL
  88 #define HPTE64_R_KEY_LO         0x0000000000000e00ULL
  89 #define HPTE64_R_KEY(x)         ((((x) & HPTE64_R_KEY_HI) >> 60) | \
  90                                  (((x) & HPTE64_R_KEY_LO) >> 9))
  91
  92 #define HPTE64_V_1TB_SEG        0x4000000000000000ULL
  93 #define HPTE64_V_VRMA_MASK      0x4001ffffff000000ULL
  94
  95 void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value,
  96                          Error **errp);
  97 void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift,
  98                                  Error **errp);
  99
 100 uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index);
 101 void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token);
 102
 103 static inline target_ulong ppc_hash64_load_hpte0(PowerPCCPU *cpu,
 104                                                  uint64_t token, int index)
 105 {
 106     CPUPPCState *env = &cpu->env;
 107     uint64_t addr;
 108
 109     addr = token + (index * HASH_PTE_SIZE_64);
 110     if (env->external_htab) {
 111         return  ldq_p((const void *)(uintptr_t)addr);
 112     } else {
 113         return ldq_phys(CPU(cpu)->as, addr);
 114     }
 115 }
 116
 117 static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu,
 118                                                  uint64_t token, int index)
 119 {
 120     CPUPPCState *env = &cpu->env;
 121     uint64_t addr;
 122
 123     addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2;
 124     if (env->external_htab) {
 125         return  ldq_p((const void *)(uintptr_t)addr);
 126     } else {
 127         return ldq_phys(CPU(cpu)->as, addr);
 128     }
 129 }
 130
 131 typedef struct {
 132     uint64_t pte0, pte1;
 133 } ppc_hash_pte64_t;
 134
 135 #endif /* CONFIG_USER_ONLY */
 136
 137 #endif /* MMU_HASH64_H */