mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

hw/realview_gic: Use GIC memory region for the CPU interface

Browse Source 
Use the GIC provided memory region for the CPU interface rather
than implementing our own.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2011-12-05 13:44:14 +00:00
parent 2206d2a6aa
commit c3ffa5953a
1 changed files with 1 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
hw/realview_gic.c
View File

@ -23,36 +23,13 @@ gic_get_current_cpu(void)
typedef struct {
gic_state gic;
MemoryRegion iomem;
MemoryRegion container;
} RealViewGICState;
static uint64_t realview_gic_cpu_read(void *opaque, target_phys_addr_t offset,
unsigned size)
{
gic_state *s = (gic_state *)opaque;
return gic_cpu_read(s, gic_get_current_cpu(), offset);
}
static void realview_gic_cpu_write(void *opaque, target_phys_addr_t offset,
uint64_t value, unsigned size)
{
gic_state *s = (gic_state *)opaque;
gic_cpu_write(s, gic_get_current_cpu(), offset, value);
}
static const MemoryRegionOps realview_gic_cpu_ops = {
.read = realview_gic_cpu_read,
.write = realview_gic_cpu_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static void realview_gic_map_setup(RealViewGICState *s)
{
memory_region_init(&s->container, "realview-gic-container", 0x2000);
memory_region_init_io(&s->iomem, &realview_gic_cpu_ops, &s->gic,
"realview-gic", 0x1000);
memory_region_add_subregion(&s->container, 0, &s->iomem);
memory_region_add_subregion(&s->container, 0, &s->gic.cpuiomem[0]);
memory_region_add_subregion(&s->container, 0x1000, &s->gic.iomem);
}