diff options
Diffstat (limited to 'target-ppc/kvm.c')
| -rw-r--r-- | target-ppc/kvm.c | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 8a196c6cc1..b77ce5e94c 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -818,7 +818,7 @@ int kvm_arch_put_registers(CPUState *cs, int level) /* Sync SLB */ #ifdef TARGET_PPC64 - for (i = 0; i < 64; i++) { + for (i = 0; i < ARRAY_SIZE(env->slb); i++) { sregs.u.s.ppc64.slb[i].slbe = env->slb[i].esid; sregs.u.s.ppc64.slb[i].slbv = env->slb[i].vsid; } @@ -1033,9 +1033,22 @@ int kvm_arch_get_registers(CPUState *cs) /* Sync SLB */ #ifdef TARGET_PPC64 - for (i = 0; i < 64; i++) { - ppc_store_slb(env, sregs.u.s.ppc64.slb[i].slbe, - sregs.u.s.ppc64.slb[i].slbv); + /* + * The packed SLB array we get from KVM_GET_SREGS only contains + * information about valid entries. So we flush our internal + * copy to get rid of stale ones, then put all valid SLB entries + * back in. + */ + memset(env->slb, 0, sizeof(env->slb)); + for (i = 0; i < ARRAY_SIZE(env->slb); i++) { + target_ulong rb = sregs.u.s.ppc64.slb[i].slbe; + target_ulong rs = sregs.u.s.ppc64.slb[i].slbv; + /* + * Only restore valid entries + */ + if (rb & SLB_ESID_V) { + ppc_store_slb(env, rb, rs); + } } #endif @@ -1789,6 +1802,20 @@ static int kvm_ppc_register_host_cpu_type(void) return 0; } +int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function) +{ + struct kvm_rtas_token_args args = { + .token = token, + }; + + if (!kvm_check_extension(kvm_state, KVM_CAP_PPC_RTAS)) { + return -ENOENT; + } + + strncpy(args.name, function, sizeof(args.name)); + + return kvm_vm_ioctl(kvm_state, KVM_PPC_RTAS_DEFINE_TOKEN, &args); +} int kvmppc_get_htab_fd(bool write) { |