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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-07-22 15:54:38 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-07-25 08:12:28 -0500 |
| commit | d2f5ea9704af781d4cf14e4be08bb4e37a180260 (patch) | |
| tree | 3c6427fcb5499ea80695ecbef8a54dab32602ea6 /hw/misc/pc-testdev.c | |
| parent | e7342aa39b3193473ded24cbf2233930665796e9 (diff) | |
| download | qemu-d2f5ea9704af781d4cf14e4be08bb4e37a180260.zip qemu-d2f5ea9704af781d4cf14e4be08bb4e37a180260.tar.gz qemu-d2f5ea9704af781d4cf14e4be08bb4e37a180260.tar.bz2 | |
pc-testdev: add I/O port to test memory.c auto split/combine
The ports at 0xe8..0xeb have impl.min/max_access_size == 1, so
that memory accesses are split and combined by the memory core.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
Message-id: 1374501278-31549-29-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/misc/pc-testdev.c')
| -rw-r--r-- | hw/misc/pc-testdev.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/hw/misc/pc-testdev.c b/hw/misc/pc-testdev.c index ad1aa66..5867c70 100644 --- a/hw/misc/pc-testdev.c +++ b/hw/misc/pc-testdev.c @@ -49,6 +49,7 @@ typedef struct PCTestdev { ISADevice parent_obj; MemoryRegion ioport; + MemoryRegion ioport_byte; MemoryRegion flush; MemoryRegion irq; MemoryRegion iomem; @@ -102,6 +103,16 @@ static const MemoryRegionOps test_ioport_ops = { .endianness = DEVICE_LITTLE_ENDIAN, }; +static const MemoryRegionOps test_ioport_byte_ops = { + .read = test_ioport_read, + .write = test_ioport_write, + .valid.min_access_size = 1, + .valid.max_access_size = 4, + .impl.min_access_size = 1, + .impl.max_access_size = 1, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + static void test_flush_page(void *opaque, hwaddr addr, uint64_t data, unsigned len) { @@ -156,6 +167,9 @@ static void testdev_realizefn(DeviceState *d, Error **errp) memory_region_init_io(&dev->ioport, OBJECT(dev), &test_ioport_ops, dev, "pc-testdev-ioport", 4); + memory_region_init_io(&dev->ioport_byte, OBJECT(dev), + &test_ioport_byte_ops, dev, + "pc-testdev-ioport-byte", 4); memory_region_init_io(&dev->flush, OBJECT(dev), &test_flush_ops, dev, "pc-testdev-flush-page", 4); memory_region_init_io(&dev->irq, OBJECT(dev), &test_irq_ops, dev, @@ -165,6 +179,7 @@ static void testdev_realizefn(DeviceState *d, Error **errp) memory_region_add_subregion(io, 0xe0, &dev->ioport); memory_region_add_subregion(io, 0xe4, &dev->flush); + memory_region_add_subregion(io, 0xe8, &dev->ioport_byte); memory_region_add_subregion(io, 0x2000, &dev->irq); memory_region_add_subregion(mem, 0xff000000, &dev->iomem); } |