Patchwork [V3,1/8] isa: add isa_address_space_io

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Submitter Julien Grall
Date April 5, 2012, 3:33 p.m.
Message ID <97e5ee5e3a7334caaf25b92a177c3d312ff88239.1333639502.git.julien.grall@citrix.com>
Download mbox | patch
Permalink /patch/151217/
State New
Headers show

Comments

Julien Grall - April 5, 2012, 3:33 p.m.
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 <julien.grall@citrix.com>
---
 hw/isa-bus.c |    5 +++++
 hw/isa.h     |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)

Patch

diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index 5a43f03..043e1f7 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -235,4 +235,9 @@  MemoryRegion *isa_address_space(ISADevice *dev)
     return get_system_memory();
 }
 
+MemoryRegion *isa_address_space_io(ISADevice *dev)
+{
+    return get_system_io();
+}
+
 type_init(isabus_register_types)
diff --git a/hw/isa.h b/hw/isa.h
index 40373fb..a9bf65a 100644
--- a/hw/isa.h
+++ b/hw/isa.h
@@ -42,6 +42,7 @@  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);