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PPC: mac_nvram: Allow 2 and 4 byte accesses

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The NVRAM in our Core99 machine really supports 2byte and 4byte accesses
just as well as 1byte accesses. In fact, Mac OS X uses those.

Add support for higher register size granularities.

Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2014-07-13 16:55:53 +02:00
parent a8b0503701
commit b19eae18c1
1 changed files with 4 additions and 0 deletions
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4
hw/nvram/mac_nvram.c
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@ -66,6 +66,10 @@ static uint64_t macio_nvram_readb(void *opaque, hwaddr addr,
static const MemoryRegionOps macio_nvram_ops = { static const MemoryRegionOps macio_nvram_ops = {
.read = macio_nvram_readb, .read = macio_nvram_readb,
.write = macio_nvram_writeb, .write = macio_nvram_writeb,
.valid.min_access_size = 1,
.valid.max_access_size = 4,
.impl.min_access_size = 1,
.impl.max_access_size = 1,
.endianness = DEVICE_BIG_ENDIAN, .endianness = DEVICE_BIG_ENDIAN,
}; };