diff options
Diffstat (limited to 'hw/intc/spapr_xive.c')
| -rw-r--r-- | hw/intc/spapr_xive.c | 38 |
1 files changed, 10 insertions, 28 deletions
diff --git a/hw/intc/spapr_xive.c b/hw/intc/spapr_xive.c index 58c2e5d..3ae311d 100644 --- a/hw/intc/spapr_xive.c +++ b/hw/intc/spapr_xive.c @@ -194,13 +194,6 @@ void spapr_xive_pic_print_info(SpaprXive *xive, Monitor *mon) } } -void spapr_xive_map_mmio(SpaprXive *xive) -{ - sysbus_mmio_map(SYS_BUS_DEVICE(xive), 0, xive->vc_base); - sysbus_mmio_map(SYS_BUS_DEVICE(xive), 1, xive->end_base); - sysbus_mmio_map(SYS_BUS_DEVICE(xive), 2, xive->tm_base); -} - void spapr_xive_mmio_set_enabled(SpaprXive *xive, bool enable) { memory_region_set_enabled(&xive->source.esb_mmio, enable); @@ -305,6 +298,7 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp) error_propagate(errp, local_err); return; } + sysbus_init_mmio(SYS_BUS_DEVICE(xive), &xsrc->esb_mmio); /* * Initialize the END ESB source @@ -318,6 +312,7 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp) error_propagate(errp, local_err); return; } + sysbus_init_mmio(SYS_BUS_DEVICE(xive), &end_xsrc->esb_mmio); /* Set the mapping address of the END ESB pages after the source ESBs */ xive->end_base = xive->vc_base + (1ull << xsrc->esb_shift) * xsrc->nr_irqs; @@ -333,31 +328,18 @@ static void spapr_xive_realize(DeviceState *dev, Error **errp) qemu_register_reset(spapr_xive_reset, dev); - /* Define all XIVE MMIO regions on SysBus */ - sysbus_init_mmio(SYS_BUS_DEVICE(xive), &xsrc->esb_mmio); - sysbus_init_mmio(SYS_BUS_DEVICE(xive), &end_xsrc->esb_mmio); - sysbus_init_mmio(SYS_BUS_DEVICE(xive), &xive->tm_mmio); -} - -void spapr_xive_init(SpaprXive *xive, Error **errp) -{ - XiveSource *xsrc = &xive->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); + sysbus_init_mmio(SYS_BUS_DEVICE(xive), &xive->tm_mmio); - /* Map all regions */ - spapr_xive_map_mmio(xive); + /* + * Map all regions. These will be enabled or disabled at reset and + * can also be overridden by KVM memory regions if active + */ + sysbus_mmio_map(SYS_BUS_DEVICE(xive), 0, xive->vc_base); + sysbus_mmio_map(SYS_BUS_DEVICE(xive), 1, xive->end_base); + sysbus_mmio_map(SYS_BUS_DEVICE(xive), 2, xive->tm_base); } static int spapr_xive_get_eas(XiveRouter *xrtr, uint8_t eas_blk, |