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[Qemu-ppc] [Qemu-devel] [PATCH v7 24/42] hw/isa: Declare device little o

From: tony.nguyen
Subject: [Qemu-ppc] [Qemu-devel] [PATCH v7 24/42] hw/isa: Declare device little or big endian
Date: Fri, 16 Aug 2019 07:34:30 +0000

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
the device endianness as DEVICE_LITTLE_ENDIAN or DEVICE_BIG_ENDIAN

This *naive* deduction may result in genuinely native endian devices
being incorrectly declared as little or big endian, but should not
introduce regressions for current targets.

These devices should be re-declared as DEVICE_NATIVE_ENDIAN if 1) it
has a new target with an opposite endian or 2) someone informed knows
better =)

Signed-off-by: Tony Nguyen <address@hidden>
 hw/isa/vt82c686.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 12c460590..adf65d3 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -108,7 +108,7 @@ static uint64_t superio_ioport_readb(void *opaque, hwaddr addr, unsigned size)
 static const MemoryRegionOps superio_ops = {
     .read = superio_ioport_readb,
     .write = superio_ioport_writeb,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {
         .min_access_size = 1,
         .max_access_size = 1,

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