qemu/hw/realview_gic.c
Peter Maydell c3ffa5953a hw/realview_gic: Use GIC memory region for the CPU interface
Use the GIC provided memory region for the CPU interface rather
than implementing our own.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2011-12-12 10:26:31 +00:00

53 lines
1.1 KiB
C

/*
* ARM RealView Emulation Baseboard Interrupt Controller
*
* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
* This code is licensed under the GPL.
*/
#include "sysbus.h"
#define GIC_NIRQ 96
#define NCPU 1
/* Only a single "CPU" interface is present. */
static inline int
gic_get_current_cpu(void)
{
return 0;
}
#include "arm_gic.c"
typedef struct {
gic_state gic;
MemoryRegion container;
} RealViewGICState;
static void realview_gic_map_setup(RealViewGICState *s)
{
memory_region_init(&s->container, "realview-gic-container", 0x2000);
memory_region_add_subregion(&s->container, 0, &s->gic.cpuiomem[0]);
memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem);
}
static int realview_gic_init(SysBusDevice *dev)
{
RealViewGICState *s = FROM_SYSBUSGIC(RealViewGICState, dev);
gic_init(&s->gic);
realview_gic_map_setup(s);
sysbus_init_mmio(dev, &s->container);
return 0;
}
static void realview_gic_register_devices(void)
{
sysbus_register_dev("realview_gic", sizeof(RealViewGICState),
realview_gic_init);
}
device_init(realview_gic_register_devices)