From 4912371fc39120fb7eb1a6b3f270fab30d05a7b6 Mon Sep 17 00:00:00 2001 From: Blue Swirl Date: Sat, 5 Feb 2011 14:34:56 +0000 Subject: sysbus: add creation function that may fail Signed-off-by: Blue Swirl --- hw/sysbus.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'hw/sysbus.c') diff --git a/hw/sysbus.c b/hw/sysbus.c index 1928b51..acad72a 100644 --- a/hw/sysbus.c +++ b/hw/sysbus.c @@ -173,6 +173,37 @@ DeviceState *sysbus_create_varargs(const char *name, return dev; } +DeviceState *sysbus_try_create_varargs(const char *name, + target_phys_addr_t addr, ...) +{ + DeviceState *dev; + SysBusDevice *s; + va_list va; + qemu_irq irq; + int n; + + dev = qdev_try_create(NULL, name); + if (!dev) { + return NULL; + } + s = sysbus_from_qdev(dev); + qdev_init_nofail(dev); + if (addr != (target_phys_addr_t)-1) { + sysbus_mmio_map(s, 0, addr); + } + va_start(va, addr); + n = 0; + while (1) { + irq = va_arg(va, qemu_irq); + if (!irq) { + break; + } + sysbus_connect_irq(s, n, irq); + n++; + } + return dev; +} + static void sysbus_dev_print(Monitor *mon, DeviceState *dev, int indent) { SysBusDevice *s = sysbus_from_qdev(dev); -- cgit v1.1