From ac10027327e27c9b360452e01af3ef2147f5a26f Mon Sep 17 00:00:00 2001 From: Julien Grall Date: Wed, 19 Sep 2012 12:50:02 +0100 Subject: [PATCH] isa: Add isa_address_space_io() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This function permits to retrieve ISA IO address space. It will be usefull when we need to pass IO address space as argument. Signed-off-by: Julien Grall Acked-by: Avi Kivity Signed-off-by: Andreas Färber --- hw/isa-bus.c | 9 +++++++++ hw/isa.h | 1 + 2 files changed, 10 insertions(+) diff --git a/hw/isa-bus.c b/hw/isa-bus.c index 685fdc0f82..144a88e272 100644 --- a/hw/isa-bus.c +++ b/hw/isa-bus.c @@ -264,4 +264,13 @@ MemoryRegion *isa_address_space(ISADevice *dev) return get_system_memory(); } +MemoryRegion *isa_address_space_io(ISADevice *dev) +{ + if (dev) { + return isa_bus_from_device(dev)->address_space_io; + } + + return isabus->address_space_io; +} + type_init(isabus_register_types) diff --git a/hw/isa.h b/hw/isa.h index f9382e8367..9d719fa3c8 100644 --- a/hw/isa.h +++ b/hw/isa.h @@ -43,6 +43,7 @@ void isa_bus_irqs(ISABus *bus, qemu_irq *irqs); qemu_irq isa_get_irq(ISADevice *dev, int isairq); void isa_init_irq(ISADevice *dev, qemu_irq *p, int isairq); MemoryRegion *isa_address_space(ISADevice *dev); +MemoryRegion *isa_address_space_io(ISADevice *dev); ISADevice *isa_create(ISABus *bus, const char *name); ISADevice *isa_try_create(ISABus *bus, const char *name); ISADevice *isa_create_simple(ISABus *bus, const char *name);