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Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 81c6c1c27c..1cc5e008d7 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1055,6 +1055,13 @@ static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp,
}
}
+static uint64_t spapr_get_patbe(PPCVirtualHypervisor *vhyp)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
+
+ return spapr->patb_entry;
+}
+
#define HPTE(_table, _i) (void *)(((uint64_t *)(_table)) + ((_i) * 2))
#define HPTE_VALID(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_VALID)
#define HPTE_DIRTY(_hpte) (tswap64(*((uint64_t *)(_hpte))) & HPTE64_V_HPTE_DIRTY)
@@ -1234,6 +1241,8 @@ static void ppc_spapr_reset(void)
/* Check for unknown sysbus devices */
foreach_dynamic_sysbus_device(find_unknown_sysbus_device, NULL);
+ spapr->patb_entry = 0;
+
/* Allocate and/or reset the hash page table */
spapr_reallocate_hpt(spapr,
spapr_hpt_shift_for_ramsize(machine->maxram_size),
@@ -1427,6 +1436,24 @@ static const VMStateDescription vmstate_spapr_ov5_cas = {
},
};
+static bool spapr_patb_entry_needed(void *opaque)
+{
+ sPAPRMachineState *spapr = opaque;
+
+ return !!spapr->patb_entry;
+}
+
+static const VMStateDescription vmstate_spapr_patb_entry = {
+ .name = "spapr_patb_entry",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .needed = spapr_patb_entry_needed,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT64(patb_entry, sPAPRMachineState),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
static const VMStateDescription vmstate_spapr = {
.name = "spapr",
.version_id = 3,
@@ -1444,6 +1471,7 @@ static const VMStateDescription vmstate_spapr = {
},
.subsections = (const VMStateDescription*[]) {
&vmstate_spapr_ov5_cas,
+ &vmstate_spapr_patb_entry,
NULL
}
};
@@ -3049,6 +3077,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
vhc->map_hptes = spapr_map_hptes;
vhc->unmap_hptes = spapr_unmap_hptes;
vhc->store_hpte = spapr_store_hpte;
+ vhc->get_patbe = spapr_get_patbe;
xic->ics_get = spapr_ics_get;
xic->ics_resend = spapr_ics_resend;
xic->icp_get = spapr_icp_get;