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From: Tony Nguyen <tony.nguyen@bt.com>
To: qemu-devel@nongnu.org
Cc: Tony Nguyen <tony.nguyen@bt.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Jason Wang <jasowang@redhat.com>,
	Beniamino Galvani <b.galvani@gmail.com>,
	qemu-arm@nongnu.org, Peter Chubb <peter.chubb@nicta.com.au>
Subject: [Qemu-devel] [RFC PATCH 12/17] hw/net: Declare device little or big endian
Date: Sat, 24 Aug 2019 04:56:33 +1000
Message-ID: <9b9c6623010dc435ccfb725629d413ae7f65c7d9.1566467963.git.tony.nguyen@bt.com> (raw)
In-Reply-To: <cover.1566467963.git.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
the device endianness as DEVICE_LITTLE_ENDIAN or DEVICE_BIG_ENDIAN
respectively.

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 <tony.nguyen@bt.com>
---
 hw/net/allwinner_emac.c | 2 +-
 hw/net/imx_fec.c        | 2 +-
 hw/net/lan9118.c        | 4 ++--
 hw/net/lance.c          | 2 +-
 hw/net/smc91c111.c      | 2 +-
 hw/net/stellaris_enet.c | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/hw/net/allwinner_emac.c b/hw/net/allwinner_emac.c
index e055a661c4..84b48b1774 100644
--- a/hw/net/allwinner_emac.c
+++ b/hw/net/allwinner_emac.c
@@ -421,7 +421,7 @@ static void aw_emac_set_link(NetClientState *nc)
 static const MemoryRegionOps aw_emac_mem_ops = {
     .read = aw_emac_read,
     .write = aw_emac_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,
         .max_access_size = 4,
diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index bd99236864..0f3dd7e8e4 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -1285,7 +1285,7 @@ static const MemoryRegionOps imx_eth_ops = {
     .write                 = imx_eth_write,
     .valid.min_access_size = 4,
     .valid.max_access_size = 4,
-    .endianness            = DEVICE_NATIVE_ENDIAN,
+    .endianness            = DEVICE_LITTLE_ENDIAN,
 };
 
 static void imx_eth_cleanup(NetClientState *nc)
diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c
index 8bba2a8056..498a6acfe9 100644
--- a/hw/net/lan9118.c
+++ b/hw/net/lan9118.c
@@ -1308,13 +1308,13 @@ static uint64_t lan9118_16bit_mode_read(void *opaque, hwaddr offset,
 static const MemoryRegionOps lan9118_mem_ops = {
     .read = lan9118_readl,
     .write = lan9118_writel,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static const MemoryRegionOps lan9118_16bit_mem_ops = {
     .read = lan9118_16bit_mode_read,
     .write = lan9118_16bit_mode_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static NetClientInfo net_lan9118_info = {
diff --git a/hw/net/lance.c b/hw/net/lance.c
index 6631e2a4e0..27dfa3a688 100644
--- a/hw/net/lance.c
+++ b/hw/net/lance.c
@@ -76,7 +76,7 @@ static uint64_t lance_mem_read(void *opaque, hwaddr addr,
 static const MemoryRegionOps lance_mem_ops = {
     .read = lance_mem_read,
     .write = lance_mem_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_BIG_ENDIAN,
     .valid = {
         .min_access_size = 2,
         .max_access_size = 2,
diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index e574635969..50cd6fc140 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -760,7 +760,7 @@ static const MemoryRegionOps smc91c111_mem_ops = {
     .write = smc91c111_writefn,
     .valid.min_access_size = 1,
     .valid.max_access_size = 4,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static NetClientInfo net_smc91c111_info = {
diff --git a/hw/net/stellaris_enet.c b/hw/net/stellaris_enet.c
index 3aca2a09f3..5dfd43b3f2 100644
--- a/hw/net/stellaris_enet.c
+++ b/hw/net/stellaris_enet.c
@@ -459,7 +459,7 @@ static void stellaris_enet_write(void *opaque, hwaddr offset,
 static const MemoryRegionOps stellaris_enet_ops = {
     .read = stellaris_enet_read,
     .write = stellaris_enet_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static void stellaris_enet_reset(DeviceState *dev)
-- 
2.23.0



  parent reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-23 18:56 [Qemu-devel] [RFC PATCH 00/17] " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 01/17] hw/audio: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 02/17] hw/block: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 03/17] hw/char: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 04/17] hw/display: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 05/17] hw/dma: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 06/17] hw/gpio: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 07/17] hw/i2c: " Tony Nguyen
2019-08-24  9:27   ` David Gibson
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 08/17] hw/input: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 09/17] hw/intc: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 10/17] hw/isa: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 11/17] hw/misc: " Tony Nguyen
2019-08-23 18:56 ` Tony Nguyen [this message]
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 13/17] hw/pci-host: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 14/17] hw/sd: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 15/17] hw/ssi: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 16/17] hw/timer: " Tony Nguyen
2019-08-23 18:56 ` [Qemu-devel] [RFC PATCH 17/17] build: Correct non-common common-obj-* to obj-* Tony Nguyen
2019-08-23 20:05   ` Paolo Bonzini
2019-08-23 19:42 ` [Qemu-devel] [RFC PATCH 00/17] Declare device little or big endian no-reply

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