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			echo "{'execute':'qmp_capabilities'} {'execute':'device-list-properties'," \
 "'arguments':{'typename':'realview_mpcore'}}" \
 "{'execute': 'human-monitor-command', " \
 "'arguments': {'command-line': 'info qtree'}}" | \
 valgrind -q aarch64-softmmu/qemu-system-aarch64 -M none,accel=qtest -qmp stdio
[...]
==2654== Invalid read of size 8
==2654==    at 0x61878A: qdev_print (qdev-monitor.c:686)
==2654==    by 0x61878A: qbus_print (qdev-monitor.c:719)
==2654==    by 0x452B38: handle_hmp_command (monitor.c:3446)
==2654==    by 0x452D70: qmp_human_monitor_command (monitor.c:821)
[...]
Use sysbus_init_child_obj() to fix it.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1531745974-17187-14-git-send-email-thuth@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
		
	
			
		
			
				
	
	
		
			87 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * ARM RealView Emulation Baseboard Interrupt Controller
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|  *
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|  * Copyright (c) 2006-2007 CodeSourcery.
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|  * Written by Paul Brook
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|  *
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|  * This code is licensed under the GPL.
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|  */
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| 
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| #include "qemu/osdep.h"
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| #include "qapi/error.h"
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| #include "hw/intc/realview_gic.h"
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| 
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| static void realview_gic_set_irq(void *opaque, int irq, int level)
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| {
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|     RealViewGICState *s = (RealViewGICState *)opaque;
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| 
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|     qemu_set_irq(qdev_get_gpio_in(DEVICE(&s->gic), irq), level);
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| }
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| 
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| static void realview_gic_realize(DeviceState *dev, Error **errp)
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| {
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|     SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
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|     RealViewGICState *s = REALVIEW_GIC(dev);
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|     SysBusDevice *busdev;
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|     Error *err = NULL;
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|     /* The GICs on the RealView boards have a fixed nonconfigurable
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|      * number of interrupt lines, so we don't need to expose this as
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|      * a qdev property.
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|      */
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|     int numirq = 96;
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| 
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|     qdev_prop_set_uint32(DEVICE(&s->gic), "num-irq", numirq);
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|     object_property_set_bool(OBJECT(&s->gic), true, "realized", &err);
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|     if (err != NULL) {
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|         error_propagate(errp, err);
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|         return;
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|     }
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|     busdev = SYS_BUS_DEVICE(&s->gic);
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| 
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|     /* Pass through outbound IRQ lines from the GIC */
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|     sysbus_pass_irq(sbd, busdev);
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| 
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|     /* Pass through inbound GPIO lines to the GIC */
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|     qdev_init_gpio_in(dev, realview_gic_set_irq, numirq - 32);
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| 
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|     memory_region_add_subregion(&s->container, 0,
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|                                 sysbus_mmio_get_region(busdev, 1));
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|     memory_region_add_subregion(&s->container, 0x1000,
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|                                 sysbus_mmio_get_region(busdev, 0));
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| }
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| 
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| static void realview_gic_init(Object *obj)
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| {
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|     SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
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|     RealViewGICState *s = REALVIEW_GIC(obj);
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| 
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|     memory_region_init(&s->container, OBJECT(s),
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|                        "realview-gic-container", 0x2000);
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|     sysbus_init_mmio(sbd, &s->container);
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| 
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|     sysbus_init_child_obj(obj, "gic", &s->gic, sizeof(s->gic), TYPE_ARM_GIC);
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|     qdev_prop_set_uint32(DEVICE(&s->gic), "num-cpu", 1);
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| }
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| 
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| static void realview_gic_class_init(ObjectClass *oc, void *data)
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| {
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|     DeviceClass *dc = DEVICE_CLASS(oc);
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| 
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|     dc->realize = realview_gic_realize;
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| }
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| 
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| static const TypeInfo realview_gic_info = {
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|     .name          = TYPE_REALVIEW_GIC,
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|     .parent        = TYPE_SYS_BUS_DEVICE,
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|     .instance_size = sizeof(RealViewGICState),
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|     .instance_init = realview_gic_init,
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|     .class_init    = realview_gic_class_init,
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| };
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| 
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| static void realview_gic_register_types(void)
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| {
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|     type_register_static(&realview_gic_info);
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| }
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| 
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| type_init(realview_gic_register_types)
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