diff options
| -rw-r--r-- | hw/ppc/spapr.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 8f612c9..c91c25a 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -585,6 +585,26 @@ static void *spapr_create_fdt_skel(hwaddr initrd_base, /* event-sources */ spapr_events_fdt_skel(fdt, epow_irq); + /* /hypervisor node */ + if (kvm_enabled()) { + uint8_t hypercall[16]; + + /* indicate KVM hypercall interface */ + _FDT((fdt_begin_node(fdt, "hypervisor"))); + _FDT((fdt_property_string(fdt, "compatible", "linux,kvm"))); + if (kvmppc_has_cap_fixup_hcalls()) { + /* + * Older KVM versions with older guest kernels were broken with the + * magic page, don't allow the guest to map it. + */ + kvmppc_get_hypercall(first_cpu->env_ptr, hypercall, + sizeof(hypercall)); + _FDT((fdt_property(fdt, "hcall-instructions", hypercall, + sizeof(hypercall)))); + } + _FDT((fdt_end_node(fdt))); + } + _FDT((fdt_end_node(fdt))); /* close root node */ _FDT((fdt_finish(fdt))); |