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[Qemu-devel] [PATCH 01/17] hw/sysbus: Add sysbus_mmio_get_region()
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [PATCH 01/17] hw/sysbus: Add sysbus_mmio_get_region() |
Date: |
Thu, 25 Aug 2011 21:04:55 +0100 |
Add a sysbus_mmio_get_region() which allows users of sysbus
devices to turn a (SysBusDevice*, mmioidx) tuple into a
MemoryRegion*. This enables some useful simplifications of
devices which pass through another device's mmio region
(either directly or by implementing some kind of memory
controller device).
Signed-off-by: Peter Maydell <address@hidden>
---
hw/sysbus.c | 5 +++++
hw/sysbus.h | 1 +
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/hw/sysbus.c b/hw/sysbus.c
index 6e89f06..4fab5a4 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -131,6 +131,11 @@ void sysbus_init_mmio_region(SysBusDevice *dev,
MemoryRegion *memory)
dev->mmio[n].memory = memory;
}
+MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n)
+{
+ return dev->mmio[n].memory;
+}
+
void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t size)
{
pio_addr_t i;
diff --git a/hw/sysbus.h b/hw/sysbus.h
index b3e1f99..6c36537 100644
--- a/hw/sysbus.h
+++ b/hw/sysbus.h
@@ -50,6 +50,7 @@ void sysbus_init_mmio(SysBusDevice *dev, target_phys_addr_t
size,
void sysbus_init_mmio_cb2(SysBusDevice *dev,
mmio_mapfunc cb, mmio_mapfunc unmap);
void sysbus_init_mmio_region(SysBusDevice *dev, MemoryRegion *memory);
+MemoryRegion *sysbus_mmio_get_region(SysBusDevice *dev, int n);
void sysbus_init_irq(SysBusDevice *dev, qemu_irq *p);
void sysbus_pass_irq(SysBusDevice *dev, SysBusDevice *target);
void sysbus_init_ioports(SysBusDevice *dev, pio_addr_t ioport, pio_addr_t
size);
--
1.7.1
- [Qemu-devel] [PATCH 00/17] onenand, omap_gpmc fixes, features, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 01/17] hw/sysbus: Add sysbus_mmio_get_region(),
Peter Maydell <=
- [Qemu-devel] [PATCH 13/17] hw/omap.h: Add OMAP 3630 to omap_mpu_model enumeration, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 10/17] omap_gpmc: Calculate revision from OMAP model, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 17/17] omap_gpmc: Implement prefetch engine, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 15/17] omap_gpmc: Pull prefetch engine data into sub-struct, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 07/17] omap_gpmc: Wire up the GPMC IRQ correctly, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 12/17] omap_gpmc: Support NAND devices, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 05/17] omap_gpmc: Refactor omap_gpmc_cs_map and omap_gpmc_cs_unmap, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 11/17] omap_gpmc: Reindent misindented switch statements, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 06/17] omap_gpmc: GPMC_IRQSTATUS is write-one-to-clear, Peter Maydell, 2011/08/25
- [Qemu-devel] [PATCH 04/17] omap_gpmc: Clean up omap_gpmc_attach MemoryRegion conversion, Peter Maydell, 2011/08/25