diff options
| author | Avi Kivity <avi@redhat.com> | 2011-08-11 10:40:26 +0300 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2011-08-21 18:27:33 -0500 |
| commit | 3a130f4ef07f4532500473aeab43c86a3c2991c8 (patch) | |
| tree | d79758caafc58a68c4b3a3c1bb882eca7553d6f6 /memory.c | |
| parent | 164a4dcd8d90a0db5ffa2174f693195744374418 (diff) | |
| download | qemu-3a130f4ef07f4532500473aeab43c86a3c2991c8.zip qemu-3a130f4ef07f4532500473aeab43c86a3c2991c8.tar.gz qemu-3a130f4ef07f4532500473aeab43c86a3c2991c8.tar.bz2 | |
memory: crack wide ioport accesses into smaller ones when needed
The memory API supports cracking wide accesses into narrower ones
when needed; but this was no implemented for the pio address space,
causing lsi53c895a's IO BAR to malfunction.
Fix by correctly cracking wide accesses when needed.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'memory.c')
| -rw-r--r-- | memory.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -400,7 +400,11 @@ static void memory_region_iorange_read(IORange *iorange, } return; } - *data = mr->ops->read(mr->opaque, offset, width); + *data = 0; + access_with_adjusted_size(offset, data, width, + mr->ops->impl.min_access_size, + mr->ops->impl.max_access_size, + memory_region_read_accessor, mr); } static void memory_region_iorange_write(IORange *iorange, @@ -418,7 +422,10 @@ static void memory_region_iorange_write(IORange *iorange, } return; } - mr->ops->write(mr->opaque, offset, data, width); + access_with_adjusted_size(offset, &data, width, + mr->ops->impl.min_access_size, + mr->ops->impl.max_access_size, + memory_region_write_accessor, mr); } static const IORangeOps memory_region_iorange_ops = { |