diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/intc/spapr_xive.c | 9 | ||||
| -rw-r--r-- | hw/intc/xics_spapr.c | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index a79574b23c..f6f6c29d6a 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -338,6 +338,15 @@ void spapr_xive_init(SpaprXive *xive, Error **errp) XiveSource *xsrc = &xive->source; XiveENDSource *end_xsrc = &xive->end_source; + /* + * The emulated XIVE device can only be initialized once. If the + * ESB memory region has been already mapped, it means we have been + * through there. + */ + if (memory_region_is_mapped(&xsrc->esb_mmio)) { + return; + } + /* TIMA initialization */ memory_region_init_io(&xive->tm_mmio, OBJECT(xive), &xive_tm_ops, xive, "xive.tima", 4ull << TM_SHIFT); diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 9d2b8adef7..5a1835e8b1 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -239,6 +239,13 @@ static void rtas_int_on(PowerPCCPU *cpu, SpaprMachineState *spapr, void xics_spapr_init(SpaprMachineState *spapr) { + /* Emulated mode can only be initialized once. */ + if (spapr->ics->init) { + return; + } + + spapr->ics->init = true; + /* Registration of global state belongs into realize */ spapr_rtas_register(RTAS_IBM_SET_XIVE, "ibm,set-xive", rtas_set_xive); spapr_rtas_register(RTAS_IBM_GET_XIVE, "ibm,get-xive", rtas_get_xive); |