diff options
Diffstat (limited to 'hw/spapr.c')
| -rw-r--r-- | hw/spapr.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/hw/spapr.c b/hw/spapr.c index deb4ae5417..b1189755d3 100644 --- a/hw/spapr.c +++ b/hw/spapr.c @@ -61,6 +61,30 @@ sPAPREnvironment *spapr; +qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num) +{ + uint32_t irq; + qemu_irq qirq; + + if (hint) { + irq = hint; + /* FIXME: we should probably check for collisions somehow */ + } else { + irq = spapr->next_irq++; + } + + qirq = xics_find_qirq(spapr->icp, irq); + if (!qirq) { + return NULL; + } + + if (irq_num) { + *irq_num = irq; + } + + return qirq; +} + static void *spapr_create_fdt_skel(const char *cpu_model, target_phys_addr_t initrd_base, target_phys_addr_t initrd_size, @@ -372,6 +396,7 @@ static void ppc_spapr_init(ram_addr_t ram_size, /* Set up Interrupt Controller */ spapr->icp = xics_system_init(XICS_IRQS); + spapr->next_irq = 16; /* Set up VIO bus */ spapr->vio_bus = spapr_vio_bus_init(); |