diff options
| author | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2013-09-04 02:01:08 +0000 |
|---|---|---|
| committer | rusty <rusty@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652> | 2013-09-04 02:01:08 +0000 |
| commit | 1c403ad2eead135eb4fbb0adfc1a302bcc182938 (patch) | |
| tree | c3b887f60a21684949947034fd7f8311e5f7bd74 /virtio-v1.0-wd01-part1-specification.txt | |
| parent | 9ef9ca824beaa2069c7a02982daf7bc2ab72124e (diff) | |
2.4.2.2 Define all MMIO registers as little endian
Port of draft commit 88f37f9ec178b664213b77211fec03687b87958b.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Rusty Russell <rusty@au1.ibm.com>
git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@31 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652
Diffstat (limited to 'virtio-v1.0-wd01-part1-specification.txt')
| -rw-r--r-- | virtio-v1.0-wd01-part1-specification.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt index bc2de67..0531125 100644 --- a/virtio-v1.0-wd01-part1-specification.txt +++ b/virtio-v1.0-wd01-part1-specification.txt @@ -995,8 +995,9 @@ Virtual queue size is the number of elements in the queue, therefore size of the descriptor table and both available and used rings. -The endianness of the registers follows the native endianness of -the Guest. Writing to registers described as “R” and reading from +All register values are organized as Little Endian. + +Writing to registers described as “R” and reading from registers described as “W” is not permitted and can cause undefined behavior. |