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/*
* ARM RealView Emulation Baseboard Interrupt Controller
*
* Copyright (c) 2006-2007 CodeSourcery.
* Written by Paul Brook
*
* This code is licenced under the GPL.
*/
#include "hw.h"
#include "primecell.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"
static uint32_t realview_gic_cpu_read(void *opaque, target_phys_addr_t offset)
{
gic_state *s = (gic_state *)opaque;
offset -= s->base;
return gic_cpu_read(s, gic_get_current_cpu(), offset);
}
static void realview_gic_cpu_write(void *opaque, target_phys_addr_t offset,
uint32_t value)
{
gic_state *s = (gic_state *)opaque;
offset -= s->base;
gic_cpu_write(s, gic_get_current_cpu(), offset, value);
}
static CPUReadMemoryFunc *realview_gic_cpu_readfn[] = {
realview_gic_cpu_read,
realview_gic_cpu_read,
realview_gic_cpu_read
};
static CPUWriteMemoryFunc *realview_gic_cpu_writefn[] = {
realview_gic_cpu_write,
realview_gic_cpu_write,
realview_gic_cpu_write
};
qemu_irq *realview_gic_init(uint32_t base, qemu_irq parent_irq)
{
gic_state *s;
int iomemtype;
s = gic_init(base, &parent_irq);
if (!s)
return NULL;
iomemtype = cpu_register_io_memory(0, realview_gic_cpu_readfn,
realview_gic_cpu_writefn, s);
cpu_register_physical_memory(base, 0x00001000, iomemtype);
return s->in;
}
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