From 3a130f4ef07f4532500473aeab43c86a3c2991c8 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Thu, 11 Aug 2011 10:40:26 +0300 Subject: [PATCH] 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 Signed-off-by: Anthony Liguori --- memory.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/memory.c b/memory.c index 8e6dd35cb0..30ba4a4b37 100644 --- a/memory.c +++ b/memory.c @@ -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 = {