mirror of https://gitee.com/openkylin/qemu.git
136 lines
5.2 KiB
C
136 lines
5.2 KiB
C
#if !defined (__MMU_HASH64_H__)
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#define __MMU_HASH64_H__
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#ifndef CONFIG_USER_ONLY
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#ifdef TARGET_PPC64
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void ppc_hash64_check_page_sizes(PowerPCCPU *cpu, Error **errp);
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void dump_slb(FILE *f, fprintf_function cpu_fprintf, PowerPCCPU *cpu);
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int ppc_store_slb(PowerPCCPU *cpu, target_ulong slot,
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target_ulong esid, target_ulong vsid);
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hwaddr ppc_hash64_get_phys_page_debug(PowerPCCPU *cpu, target_ulong addr);
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int ppc_hash64_handle_mmu_fault(PowerPCCPU *cpu, vaddr address, int rw,
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int mmu_idx);
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void ppc_hash64_store_hpte(PowerPCCPU *cpu, target_ulong index,
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target_ulong pte0, target_ulong pte1);
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void ppc_hash64_tlb_flush_hpte(PowerPCCPU *cpu,
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target_ulong pte_index,
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target_ulong pte0, target_ulong pte1);
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unsigned ppc_hash64_hpte_page_shift_noslb(PowerPCCPU *cpu,
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uint64_t pte0, uint64_t pte1,
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unsigned *seg_page_shift);
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#endif
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/*
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* SLB definitions
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*/
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/* Bits in the SLB ESID word */
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#define SLB_ESID_ESID 0xFFFFFFFFF0000000ULL
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#define SLB_ESID_V 0x0000000008000000ULL /* valid */
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/* Bits in the SLB VSID word */
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#define SLB_VSID_SHIFT 12
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#define SLB_VSID_SHIFT_1T 24
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#define SLB_VSID_SSIZE_SHIFT 62
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#define SLB_VSID_B 0xc000000000000000ULL
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#define SLB_VSID_B_256M 0x0000000000000000ULL
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#define SLB_VSID_B_1T 0x4000000000000000ULL
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#define SLB_VSID_VSID 0x3FFFFFFFFFFFF000ULL
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#define SLB_VSID_PTEM (SLB_VSID_B | SLB_VSID_VSID)
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#define SLB_VSID_KS 0x0000000000000800ULL
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#define SLB_VSID_KP 0x0000000000000400ULL
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#define SLB_VSID_N 0x0000000000000200ULL /* no-execute */
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#define SLB_VSID_L 0x0000000000000100ULL
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#define SLB_VSID_C 0x0000000000000080ULL /* class */
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#define SLB_VSID_LP 0x0000000000000030ULL
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#define SLB_VSID_ATTR 0x0000000000000FFFULL
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#define SLB_VSID_LLP_MASK (SLB_VSID_L | SLB_VSID_LP)
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#define SLB_VSID_4K 0x0000000000000000ULL
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#define SLB_VSID_64K 0x0000000000000110ULL
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#define SLB_VSID_16M 0x0000000000000100ULL
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#define SLB_VSID_16G 0x0000000000000120ULL
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/*
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* Hash page table definitions
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*/
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#define HPTES_PER_GROUP 8
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#define HASH_PTE_SIZE_64 16
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#define HASH_PTEG_SIZE_64 (HASH_PTE_SIZE_64 * HPTES_PER_GROUP)
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#define HPTE64_V_SSIZE_SHIFT 62
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#define HPTE64_V_AVPN_SHIFT 7
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#define HPTE64_V_AVPN 0x3fffffffffffff80ULL
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#define HPTE64_V_AVPN_VAL(x) (((x) & HPTE64_V_AVPN) >> HPTE64_V_AVPN_SHIFT)
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#define HPTE64_V_COMPARE(x, y) (!(((x) ^ (y)) & 0xffffffffffffff80ULL))
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#define HPTE64_V_LARGE 0x0000000000000004ULL
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#define HPTE64_V_SECONDARY 0x0000000000000002ULL
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#define HPTE64_V_VALID 0x0000000000000001ULL
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#define HPTE64_R_PP0 0x8000000000000000ULL
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#define HPTE64_R_TS 0x4000000000000000ULL
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#define HPTE64_R_KEY_HI 0x3000000000000000ULL
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#define HPTE64_R_RPN_SHIFT 12
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#define HPTE64_R_RPN 0x0ffffffffffff000ULL
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#define HPTE64_R_FLAGS 0x00000000000003ffULL
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#define HPTE64_R_PP 0x0000000000000003ULL
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#define HPTE64_R_N 0x0000000000000004ULL
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#define HPTE64_R_G 0x0000000000000008ULL
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#define HPTE64_R_M 0x0000000000000010ULL
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#define HPTE64_R_I 0x0000000000000020ULL
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#define HPTE64_R_W 0x0000000000000040ULL
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#define HPTE64_R_WIMG 0x0000000000000078ULL
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#define HPTE64_R_C 0x0000000000000080ULL
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#define HPTE64_R_R 0x0000000000000100ULL
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#define HPTE64_R_KEY_LO 0x0000000000000e00ULL
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#define HPTE64_R_KEY(x) ((((x) & HPTE64_R_KEY_HI) >> 60) | \
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(((x) & HPTE64_R_KEY_LO) >> 9))
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#define HPTE64_V_1TB_SEG 0x4000000000000000ULL
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#define HPTE64_V_VRMA_MASK 0x4001ffffff000000ULL
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void ppc_hash64_set_sdr1(PowerPCCPU *cpu, target_ulong value,
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Error **errp);
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void ppc_hash64_set_external_hpt(PowerPCCPU *cpu, void *hpt, int shift,
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Error **errp);
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uint64_t ppc_hash64_start_access(PowerPCCPU *cpu, target_ulong pte_index);
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void ppc_hash64_stop_access(PowerPCCPU *cpu, uint64_t token);
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static inline target_ulong ppc_hash64_load_hpte0(PowerPCCPU *cpu,
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uint64_t token, int index)
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{
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CPUPPCState *env = &cpu->env;
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uint64_t addr;
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addr = token + (index * HASH_PTE_SIZE_64);
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if (env->external_htab) {
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return ldq_p((const void *)(uintptr_t)addr);
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} else {
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return ldq_phys(CPU(cpu)->as, addr);
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}
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}
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static inline target_ulong ppc_hash64_load_hpte1(PowerPCCPU *cpu,
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uint64_t token, int index)
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{
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CPUPPCState *env = &cpu->env;
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uint64_t addr;
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addr = token + (index * HASH_PTE_SIZE_64) + HASH_PTE_SIZE_64/2;
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if (env->external_htab) {
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return ldq_p((const void *)(uintptr_t)addr);
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} else {
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return ldq_phys(CPU(cpu)->as, addr);
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}
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}
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typedef struct {
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uint64_t pte0, pte1;
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} ppc_hash_pte64_t;
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#endif /* CONFIG_USER_ONLY */
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#endif /* !defined (__MMU_HASH64_H__) */
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