aboutsummaryrefslogtreecommitdiffstats
path: root/hw
diff options
context:
space:
mode:
authorAvi Kivity <avi@redhat.com>2011-07-24 17:12:11 +0300
committerAvi Kivity <avi@redhat.com>2011-08-24 20:17:35 +0300
commitbe35694da941168603b09a7420bcc476d745fc41 (patch)
treede438519a693d9bdc80cd4ebfdf2390ba2a27240 /hw
parent58160bafa2a0e0b915309c58e7d51f0e67831bf0 (diff)
sysbus: add helpers to add and delete memory regions to the system bus
Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/sysbus.c22
-rw-r--r--hw/sysbus.h6
2 files changed, 28 insertions, 0 deletions
diff --git a/hw/sysbus.c b/hw/sysbus.c
index f39768b6a..f5f0ed219 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -256,3 +256,25 @@ static char *sysbus_get_fw_dev_path(DeviceState *dev)
return strdup(path);
}
+
+void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
+ MemoryRegion *mem)
+{
+ memory_region_add_subregion(get_system_memory(), addr, mem);
+}
+
+void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem)
+{
+ memory_region_del_subregion(get_system_memory(), mem);
+}
+
+void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
+ MemoryRegion *mem)
+{
+ memory_region_add_subregion(get_system_io(), addr, mem);
+}
+
+void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem)
+{
+ memory_region_del_subregion(get_system_io(), mem);
+}
diff --git a/hw/sysbus.h b/hw/sysbus.h
index b87c6c5aa..e4d56cfe8 100644
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -57,6 +57,12 @@ void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size);
void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq);
void sysbus_mmio_map(SysBusDevice *dev, int n, target_phys_addr_t addr);
+void sysbus_add_memory(SysBusDevice *dev, target_phys_addr_t addr,
+ MemoryRegion *mem);
+void sysbus_del_memory(SysBusDevice *dev, MemoryRegion *mem);
+void sysbus_add_io(SysBusDevice *dev, target_phys_addr_t addr,
+ MemoryRegion *mem);
+void sysbus_del_io(SysBusDevice *dev, MemoryRegion *mem);
/* Legacy helper function for creating devices. */
DeviceState *sysbus_create_varargs(const char *name,