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exec: introduce target_words_bigendian() helper

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We currently have a virtio_is_big_endian() helper that provides the target
endianness to the virtio code. As of today, the helper returns a fixed
compile-time value. Of course, this will have to change if we want to
support target endianness changes at run-time.

Let's move the TARGET_WORDS_BIGENDIAN bits out to a new helper and have
virtio_is_big_endian() implemented on top of it.

This patch doesn't change any functionality.

Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Greg Kurz 2014-06-24 19:26:29 +02:00 • committed by Michael S. Tsirkin
parent 6b321a3df5
commit 98ed8ecfc9
3 changed files with 8 additions and 9 deletions
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6
include/hw/virtio/virtio.h
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@ -255,4 +255,10 @@ void virtio_queue_set_host_notifier_fd_handler(VirtQueue *vq, bool assign,
bool set_handler);
void virtio_queue_notify_vq(VirtQueue *vq);
void virtio_irq(VirtQueue *vq);
bool target_words_bigendian(void);
static inline bool virtio_is_big_endian(void)
{
return target_words_bigendian();
}
#endif