diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index e00991920ae35fac8099e41dbd56796f4fe59504..b5fff70f09b6898fb20e05f38b07b69852269219 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -1992,3 +1992,39 @@ void kvmppc_hash64_free_pteg(uint64_t token) g_free(htab_buf); return; } + +void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index, + target_ulong pte0, target_ulong pte1) +{ + int htab_fd; + struct kvm_get_htab_fd ghf; + struct kvm_get_htab_buf hpte_buf; + + ghf.flags = 0; + ghf.start_index = 0; /* Ignored */ + htab_fd = kvm_vm_ioctl(kvm_state, KVM_PPC_GET_HTAB_FD, &ghf); + if (htab_fd < 0) { + goto error_out; + } + + hpte_buf.header.n_valid = 1; + hpte_buf.header.n_invalid = 0; + hpte_buf.header.index = pte_index; + hpte_buf.hpte[0] = pte0; + hpte_buf.hpte[1] = pte1; + /* + * Write the hpte entry. + * CAUTION: write() has the warn_unused_result attribute. Hence we + * need to check the return value, even though we do nothing. + */ + if (write(htab_fd, &hpte_buf, sizeof(hpte_buf)) < 0) { + goto out_close; + } + +out_close: + close(htab_fd); + return; + +error_out: + return; +} diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h index 800e1ad0834f7f6cf5cf2cf752c84fec14557940..a65d34571914e25dcbd00d1b4a9e70568d49b173 100644 --- a/target-ppc/kvm_ppc.h +++ b/target-ppc/kvm_ppc.h @@ -47,6 +47,9 @@ int kvmppc_load_htab_chunk(QEMUFile *f, int fd, uint32_t index, uint64_t kvmppc_hash64_read_pteg(PowerPCCPU *cpu, target_ulong pte_index); void kvmppc_hash64_free_pteg(uint64_t token); +void kvmppc_hash64_write_pte(CPUPPCState *env, target_ulong pte_index, + target_ulong pte0, target_ulong pte1); + #else static inline uint32_t kvmppc_get_tbfreq(void) @@ -207,6 +210,13 @@ static inline void kvmppc_hash64_free_pteg(uint64_t token) abort(); } +static inline void kvmppc_hash64_write_pte(CPUPPCState *env, + target_ulong pte_index, + target_ulong pte0, target_ulong pte1) +{ + abort(); +} + #endif #ifndef CONFIG_KVM diff --git a/target-ppc/mmu-hash64.c b/target-ppc/mmu-hash64.c index 8dd5d22fa9cdc180472d870eaaca35e9af52eca7..f2af4fbaa759330eff99ef795ac7471ea83e6c14 100644 --- a/target-ppc/mmu-hash64.c +++ b/target-ppc/mmu-hash64.c @@ -603,3 +603,23 @@ hwaddr ppc_hash64_get_phys_page_debug(CPUPPCState *env, target_ulong addr) return ppc_hash64_pte_raddr(slb, pte, addr) & TARGET_PAGE_MASK; } + +void ppc_hash64_store_hpte(CPUPPCState *env, + target_ulong pte_index, + target_ulong pte0, target_ulong pte1) +{ + CPUState *cs = ENV_GET_CPU(env); + + if (kvmppc_kern_htab) { + return kvmppc_hash64_write_pte(env, pte_index, pte0, pte1); + } + + pte_index *= HASH_PTE_SIZE_64; + if (env->external_htab) { + stq_p(env->external_htab + pte_index, pte0); + stq_p(env->external_htab + pte_index + HASH_PTE_SIZE_64/2, pte1); + } else { + stq_phys(cs->as, env->htab_base + pte_index, pte0); + stq_phys(cs->as, env->htab_base + pte_index + HASH_PTE_SIZE_64/2, pte1); + } +} diff --git a/target-ppc/mmu-hash64.h b/target-ppc/mmu-hash64.h index 49d866b576424a19b0acb18429f3f79c87a0f964..1746b3e2d3e3a016941705d926dde404908ee606 100644 --- a/target-ppc/mmu-hash64.h +++ b/target-ppc/mmu-hash64.h @@ -9,6 +9,8 @@ int ppc_store_slb (CPUPPCState *env, target_ulong rb, target_ulong rs); hwaddr ppc_hash64_get_phys_page_debug(CPUPPCState *env, target_ulong addr); int ppc_hash64_handle_mmu_fault(CPUPPCState *env, target_ulong address, int rw, int mmu_idx); +void ppc_hash64_store_hpte(CPUPPCState *env, target_ulong index, + target_ulong pte0, target_ulong pte1); #endif /* @@ -106,21 +108,6 @@ static inline target_ulong ppc_hash64_load_hpte1(CPUPPCState *env, } } -static inline void ppc_hash64_store_hpte(CPUPPCState *env, - target_ulong pte_index, - target_ulong pte0, target_ulong pte1) -{ - CPUState *cs = ENV_GET_CPU(env); - pte_index *= HASH_PTE_SIZE_64; - if (env->external_htab) { - stq_p(env->external_htab + pte_index, pte0); - stq_p(env->external_htab + pte_index + HASH_PTE_SIZE_64/2, pte1); - } else { - stq_phys(cs->as, env->htab_base + pte_index, pte0); - stq_phys(cs->as, env->htab_base + pte_index + HASH_PTE_SIZE_64/2, pte1); - } -} - typedef struct { uint64_t pte0, pte1; } ppc_hash_pte64_t;