diff options
Diffstat (limited to 'target/ppc/mmu-hash64.h')
| -rw-r--r-- | target/ppc/mmu-hash64.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/target/ppc/mmu-hash64.h b/target/ppc/mmu-hash64.h new file mode 100644 index 0000000000..ab5d347a53 --- /dev/null +++ b/target/ppc/mmu-hash64.h @@ -0,0 +1,136 @@ +#ifndef MMU_HASH64_H +#define MMU_HASH64_H + +#ifndef CONFIG_USER_ONLY + +#ifdef TARGET_PPC64 +void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu); +int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot, + target_ulong esid, target_ulong vsid); +hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr); +int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, vaddr address, int rw, + int mmu_idx); +void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong index, + target_ulong pte0, target_ulong pte1); +void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu, + target_ulong pte_index, + target_ulong pte0, target_ulong pte1); +unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu, + uint64_t pte0, uint64_t pte1); +void ppc_hash64_update_vrma(CPUPPCState *env); +void ppc_hash64_update_rmls(CPUPPCState *env); +#endif + +/* + * SLB definitions + */ + +/* Bits in the SLB ESID word */ +#define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL +#define SLB_ESID_V 0x0000000008000000ULL /* valid */ + +/* Bits in the SLB VSID word */ +#define SLB_VSID_SHIFT 12 +#define SLB_VSID_SHIFT_1T 24 +#define SLB_VSID_SSIZE_SHIFT 62 +#define SLB_VSID_B 0xc000000000000000ULL +#define SLB_VSID_B_256M 0x0000000000000000ULL +#define SLB_VSID_B_1T 0x4000000000000000ULL +#define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL +#define SLB_VSID_VRMA (0x0001FFFFFF000000ULL | SLB_VSID_B_1T) +#define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID) +#define SLB_VSID_KS 0x0000000000000800ULL +#define SLB_VSID_KP 0x0000000000000400ULL +#define SLB_VSID_N 0x0000000000000200ULL /* no-execute */ +#define SLB_VSID_L 0x0000000000000100ULL +#define SLB_VSID_C 0x0000000000000080ULL /* class */ +#define SLB_VSID_LP 0x0000000000000030ULL +#define SLB_VSID_ATTR 0x0000000000000FFFULL +#define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP) +#define SLB_VSID_4K 0x0000000000000000ULL +#define SLB_VSID_64K 0x0000000000000110ULL +#define SLB_VSID_16M 0x0000000000000100ULL +#define SLB_VSID_16G 0x0000000000000120ULL + +/* + * Hash page table definitions + */ + +#define HPTES_PER_GROUP 8 +#define HASH_PTE_SIZE_64 16 +#define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP) + +#define HPTE64_V_SSIZE_SHIFT 62 +#define HPTE64_V_AVPN_SHIFT 7 +#define HPTE64_V_AVPN 0x3fffffffffffff80ULL +#define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT) +#define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff83ULL)) +#define HPTE64_V_LARGE 0x0000000000000004ULL +#define HPTE64_V_SECONDARY 0x0000000000000002ULL +#define HPTE64_V_VALID 0x0000000000000001ULL + +#define HPTE64_R_PP0 0x8000000000000000ULL +#define HPTE64_R_TS 0x4000000000000000ULL +#define HPTE64_R_KEY_HI 0x3000000000000000ULL +#define HPTE64_R_RPN_SHIFT 12 +#define HPTE64_R_RPN 0x0ffffffffffff000ULL +#define HPTE64_R_FLAGS 0x00000000000003ffULL +#define HPTE64_R_PP 0x0000000000000003ULL +#define HPTE64_R_N 0x0000000000000004ULL +#define HPTE64_R_G 0x0000000000000008ULL +#define HPTE64_R_M 0x0000000000000010ULL +#define HPTE64_R_I 0x0000000000000020ULL +#define HPTE64_R_W 0x0000000000000040ULL +#define HPTE64_R_WIMG 0x0000000000000078ULL +#define HPTE64_R_C 0x0000000000000080ULL +#define HPTE64_R_R 0x0000000000000100ULL +#define HPTE64_R_KEY_LO 0x0000000000000e00ULL +#define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 60) | \ + (((x) & HPTE64_R_KEY_LO) >> 9)) + +#define HPTE64_V_1TB_SEG 0x4000000000000000ULL +#define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL + +void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value, + Error **errp); +void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift, + Error **errp); + +uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index); +void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token); + +static inline target_ulong ppc_hash64_load_hpte0(PowerPCCPU *cpu, + uint64_t token, int index) +{ + CPUPPCState *env = &cpu->env; + uint64_t addr; + + addr = token + (index * HASH_PTE_SIZE_64); + if (env->external_htab) { + return ldq_p((const void *)(uintptr_t)addr); + } else { + return ldq_phys(CPU(cpu)->as, addr); + } +} + +static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu, + uint64_t token, int index) +{ + CPUPPCState *env = &cpu->env; + uint64_t addr; + + addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2; + if (env->external_htab) { + return ldq_p((const void *)(uintptr_t)addr); + } else { + return ldq_phys(CPU(cpu)->as, addr); + } +} + +typedef struct { + uint64_t pte0, pte1; +} ppc_hash_pte64_t; + +#endif /* CONFIG_USER_ONLY */ + +#endif /* MMU_HASH64_H */ |