From be35694da941168603b09a7420bcc476d745fc41 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Sun, 24 Jul 2011 17:12:11 +0300 Subject: [PATCH] sysbus: add helpers to add and delete memory regions to the system bus Reviewed-by: Richard Henderson Signed-off-by: Avi Kivity --- hw/sysbus.c | 22 ++++++++++++++++++++++ hw/sysbus.h | 6 ++++++ 2 files changed, 28 insertions(+) diff --git a/hw/sysbus.c b/hw/sysbus.c index f39768b6a2..f5f0ed219a 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 b87c6c5aab..e4d56cfe8e 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,