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Diffstat (limited to 'hw/ppc/spapr_cpu_core.c')
-rw-r--r--hw/ppc/spapr_cpu_core.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 55cd0456eb..90d682fe33 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -13,10 +13,12 @@
#include "hw/boards.h"
#include "qapi/error.h"
#include "sysemu/cpus.h"
+#include "sysemu/kvm.h"
#include "target/ppc/kvm_ppc.h"
#include "hw/ppc/ppc.h"
#include "target/ppc/mmu-hash64.h"
#include "sysemu/numa.h"
+#include "qemu/error-report.h"
static void spapr_cpu_reset(void *opaque)
{
@@ -34,15 +36,26 @@ static void spapr_cpu_reset(void *opaque)
env->spr[SPR_HIOR] = 0;
- ppc_hash64_set_external_hpt(cpu, spapr->htab, spapr->htab_shift,
- &error_fatal);
+ /*
+ * This is a hack for the benefit of KVM PR - it abuses the SDR1
+ * slot in kvm_sregs to communicate the userspace address of the
+ * HPT
+ */
+ if (kvm_enabled()) {
+ env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab
+ | (spapr->htab_shift - 18);
+ if (kvmppc_put_books_sregs(cpu) < 0) {
+ error_report("Unable to update SDR1 in KVM");
+ exit(1);
+ }
+ }
}
static void spapr_cpu_destroy(PowerPCCPU *cpu)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
- xics_cpu_destroy(spapr->xics, cpu);
+ xics_cpu_destroy(XICS_FABRIC(spapr), cpu);
qemu_unregister_reset(spapr_cpu_reset, cpu);
}
@@ -57,8 +70,7 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
cpu_ppc_tb_init(env, SPAPR_TIMEBASE_FREQ);
/* Enable PAPR mode in TCG or KVM */
- cpu_ppc_set_vhyp(cpu, PPC_VIRTUAL_HYPERVISOR(spapr));
- cpu_ppc_set_papr(cpu);
+ cpu_ppc_set_papr(cpu, PPC_VIRTUAL_HYPERVISOR(spapr));
if (cpu->max_compat) {
Error *local_err = NULL;
@@ -76,7 +88,7 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
cs->numa_node = i;
}
- xics_cpu_setup(spapr->xics, cpu);
+ xics_cpu_setup(XICS_FABRIC(spapr), cpu);
qemu_register_reset(spapr_cpu_reset, cpu);
spapr_cpu_reset(cpu);