diff options
Diffstat (limited to 'hw/spapr.c')
| -rw-r--r-- | hw/spapr.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/hw/spapr.c b/hw/spapr.c index d955f02a3b..504d0fca5e 100644 --- a/hw/spapr.c +++ b/hw/spapr.c @@ -657,6 +657,36 @@ static void spapr_cpu_reset(void *opaque) (spapr->htab_shift - 18); } +static void spapr_create_nvram(sPAPREnvironment *spapr) +{ + QemuOpts *machine_opts; + DeviceState *dev; + + dev = qdev_create(&spapr->vio_bus->bus, "spapr-nvram"); + + machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0); + if (machine_opts) { + const char *drivename; + + drivename = qemu_opt_get(machine_opts, "nvram"); + if (drivename) { + BlockDriverState *bs; + + bs = bdrv_find(drivename); + if (!bs) { + fprintf(stderr, "No such block device \"%s\" for nvram\n", + drivename); + exit(1); + } + qdev_prop_set_drive_nofail(dev, "drive", bs); + } + } + + qdev_init_nofail(dev); + + spapr->nvram = (struct sPAPRNVRAM *)dev; +} + /* Returns whether we want to use VGA or not */ static int spapr_vga_init(PCIBus *pci_bus) { @@ -801,7 +831,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) /* Set up Interrupt Controller */ spapr->icp = xics_system_init(XICS_IRQS); - spapr->next_irq = 16; + spapr->next_irq = XICS_IRQ_BASE; /* Set up EPOW events infrastructure */ spapr_events_init(spapr); @@ -818,6 +848,9 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) } } + /* We always have at least the nvram device on VIO */ + spapr_create_nvram(spapr); + /* Set up PCI */ spapr_pci_rtas_init(); |