[Qemu-devel] [PATCH 04/19] hw/core: Declare device little or big endian

[Tony Nguyen <tony.nguyen@bt.com>]

For each device declared with DEVICE_NATIVE_ENDIAN, find the set of
targets from the set of target/hw/*/device.o.

If the set of targets are all little or all big endian, re-declare
as DEVICE_LITTLE_ENDIAN or DEVICE_BIG_ENDIAN respectively.

Then, on inspection:
- if ununsed, re-declare as DEVICE_HOST_ENDIAN.
- if max/min size=1, re-declare as DEVICE_HOST_ENDIAN.
- if just a bit bucket, re-delcare as DEVICE_HOST_ENDIAN
- if PCI, re-declare as DEVICE_LITTLE_ENDIAN.
- if for {ARM|unicore32} only, re-declare as DEVICE_LITTLE_ENDIAN.
- if for SPARC only, re-declare as DEVICE_BIG_ENDIAN.

Signed-off-by: Tony Nguyen <tony.nguyen@bt.com>
---
 hw/core/empty_slot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/core/empty_slot.c b/hw/core/empty_slot.c
index 3ba450e1ca..2785b6acf9 100644
--- a/hw/core/empty_slot.c
+++ b/hw/core/empty_slot.c
@@ -49,7 +49,7 @@ static void empty_slot_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps empty_slot_ops = {
     .read = empty_slot_read,
     .write = empty_slot_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_HOST_ENDIAN,
 };
 
 void empty_slot_init(hwaddr addr, uint64_t slot_size)
-- 
2.23.0