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memory: Fix old portio word accesses 

As we register old portio regions via ioport_register, we are also
responsible for providing the word access wrapper.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Jan Kiszka 2011-09-18 14:51:58 +02:00 committed by Avi Kivity
parent 6bf9fd43cf
commit 03808f58e4
1 changed files with 10 additions and 0 deletions
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10
memory.c
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@ -404,6 +404,11 @@ static void memory_region_iorange_read(IORange *iorange,
*data = ((uint64_t)1 << (width * 8)) - 1;
if (mrp) {
*data = mrp->read(mr->opaque, offset + mr->offset);
} else if (width == 2) {
mrp = find_portio(mr, offset, 1, false);
assert(mrp);
*data = mrp->read(mr->opaque, offset + mr->offset) |
(mrp->read(mr->opaque, offset + mr->offset + 1) << 8);
}
return;
}
@ -426,6 +431,11 @@ static void memory_region_iorange_write(IORange *iorange,
if (mrp) {
mrp->write(mr->opaque, offset + mr->offset, data);
} else if (width == 2) {
mrp = find_portio(mr, offset, 1, false);
assert(mrp);
mrp->write(mr->opaque, offset + mr->offset, data & 0xff);
mrp->write(mr->opaque, offset + mr->offset + 1, data >> 8);
}
return;
}