diff options
Diffstat (limited to 'target-ppc/kvm.c')
-rw-r--r-- | target-ppc/kvm.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c index 1079ce1e61..14d6365ee2 100644 --- a/target-ppc/kvm.c +++ b/target-ppc/kvm.c @@ -327,6 +327,38 @@ uint32_t kvmppc_get_tbfreq(void) return retval; } +int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len) +{ + uint32_t *hc = (uint32_t*)buf; + +#ifdef KVM_CAP_PPC_GET_PVINFO + struct kvm_ppc_pvinfo pvinfo; + + if (kvm_check_extension(env->kvm_state, KVM_CAP_PPC_GET_PVINFO) && + !kvm_vm_ioctl(env->kvm_state, KVM_PPC_GET_PVINFO, &pvinfo)) { + memcpy(buf, pvinfo.hcall, buf_len); + + return 0; + } +#endif + + /* + * Fallback to always fail hypercalls: + * + * li r3, -1 + * nop + * nop + * nop + */ + + hc[0] = 0x3860ffff; + hc[1] = 0x60000000; + hc[2] = 0x60000000; + hc[3] = 0x60000000; + + return 0; +} + bool kvm_arch_stop_on_emulation_error(CPUState *env) { return true; |