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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Weiwei Li" <liwei1518@gmail.com>,
	"Pierrick Bouvier" <pierrick.bouvier@linaro.org>,
	"Warner Losh" <imp@bsdimp.com>,
	"Frédéric Pétrot" <frederic.petrot@univ-grenoble-alpes.fr>,
	"Vijai Kumar K" <vijai@behindbytes.com>,
	"Anton Johansson" <anjo@rev.ng>,
	"Daniel Henrique Barboza" <dbarboza@ventanamicro.com>,
	qemu-riscv@nongnu.org,
	"Alistair Francis" <Alistair.Francis@wdc.com>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Alistair Francis" <alistair.francis@wdc.com>,
	"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
	"Djordje Todorovic" <Djordje.Todorovic@htecgroup.com>,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	qemu-arm@nongnu.org
Subject: [PATCH-for-11.1 01/16] hw/riscv: Mark RISC-V specific peripherals as little-endian
Date: Wed, 18 Mar 2026 11:31:06 +0100	[thread overview]
Message-ID: <20260318103122.97244-2-philmd@linaro.org> (raw)
In-Reply-To: <20260318103122.97244-1-philmd@linaro.org>

These devices are only used by the RISC-V targets, which are
only built as little-endian. Therefore the DEVICE_NATIVE_ENDIAN
definition expand to DEVICE_LITTLE_ENDIAN (besides, the
DEVICE_BIG_ENDIAN case isn't tested). Simplify directly
using DEVICE_LITTLE_ENDIAN.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/char/ibex_uart.c     | 2 +-
 hw/char/shakti_uart.c   | 2 +-
 hw/char/sifive_uart.c   | 2 +-
 hw/misc/sifive_e_aon.c  | 2 +-
 hw/misc/sifive_e_prci.c | 2 +-
 hw/misc/sifive_u_otp.c  | 2 +-
 hw/misc/sifive_u_prci.c | 2 +-
 hw/riscv/riscv-iommu.c  | 2 +-
 hw/sd/cadence_sdhci.c   | 2 +-
 hw/timer/ibex_timer.c   | 2 +-
 hw/timer/sifive_pwm.c   | 2 +-
 11 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/hw/char/ibex_uart.c b/hw/char/ibex_uart.c
index 127d219df3c..26ed1aea140 100644
--- a/hw/char/ibex_uart.c
+++ b/hw/char/ibex_uart.c
@@ -470,7 +470,7 @@ static void fifo_trigger_update(void *opaque)
 static const MemoryRegionOps ibex_uart_ops = {
     .read = ibex_uart_read,
     .write = ibex_uart_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl.min_access_size = 4,
     .impl.max_access_size = 4,
 };
diff --git a/hw/char/shakti_uart.c b/hw/char/shakti_uart.c
index 2d1bc9cb8e2..d38920a03a0 100644
--- a/hw/char/shakti_uart.c
+++ b/hw/char/shakti_uart.c
@@ -103,7 +103,7 @@ static void shakti_uart_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps shakti_uart_ops = {
     .read = shakti_uart_read,
     .write = shakti_uart_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {.min_access_size = 1, .max_access_size = 4},
     .valid = {.min_access_size = 1, .max_access_size = 4},
 };
diff --git a/hw/char/sifive_uart.c b/hw/char/sifive_uart.c
index af17cf9a6ce..4e31842df5c 100644
--- a/hw/char/sifive_uart.c
+++ b/hw/char/sifive_uart.c
@@ -206,7 +206,7 @@ static void fifo_trigger_update(void *opaque)
 static const MemoryRegionOps sifive_uart_ops = {
     .read = sifive_uart_read,
     .write = sifive_uart_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,
         .max_access_size = 4
diff --git a/hw/misc/sifive_e_aon.c b/hw/misc/sifive_e_aon.c
index e78f4f56725..ff2a7c18235 100644
--- a/hw/misc/sifive_e_aon.c
+++ b/hw/misc/sifive_e_aon.c
@@ -250,7 +250,7 @@ sifive_e_aon_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps sifive_e_aon_ops = {
     .read = sifive_e_aon_read,
     .write = sifive_e_aon_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {
         .min_access_size = 4,
         .max_access_size = 4
diff --git a/hw/misc/sifive_e_prci.c b/hw/misc/sifive_e_prci.c
index 400664aabae..a4a60e7b406 100644
--- a/hw/misc/sifive_e_prci.c
+++ b/hw/misc/sifive_e_prci.c
@@ -75,7 +75,7 @@ static void sifive_e_prci_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps sifive_e_prci_ops = {
     .read = sifive_e_prci_read,
     .write = sifive_e_prci_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,
         .max_access_size = 4
diff --git a/hw/misc/sifive_u_otp.c b/hw/misc/sifive_u_otp.c
index 7205374bc39..cececd4f7a8 100644
--- a/hw/misc/sifive_u_otp.c
+++ b/hw/misc/sifive_u_otp.c
@@ -187,7 +187,7 @@ static void sifive_u_otp_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps sifive_u_otp_ops = {
     .read = sifive_u_otp_read,
     .write = sifive_u_otp_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,
         .max_access_size = 4
diff --git a/hw/misc/sifive_u_prci.c b/hw/misc/sifive_u_prci.c
index f51588623ab..4674d5925ea 100644
--- a/hw/misc/sifive_u_prci.c
+++ b/hw/misc/sifive_u_prci.c
@@ -112,7 +112,7 @@ static void sifive_u_prci_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps sifive_u_prci_ops = {
     .read = sifive_u_prci_read,
     .write = sifive_u_prci_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .valid = {
         .min_access_size = 4,
         .max_access_size = 4
diff --git a/hw/riscv/riscv-iommu.c b/hw/riscv/riscv-iommu.c
index 98345b1280b..ef5d7df2385 100644
--- a/hw/riscv/riscv-iommu.c
+++ b/hw/riscv/riscv-iommu.c
@@ -2375,7 +2375,7 @@ static MemTxResult riscv_iommu_mmio_read(void *opaque, hwaddr addr,
 static const MemoryRegionOps riscv_iommu_mmio_ops = {
     .read_with_attrs = riscv_iommu_mmio_read,
     .write_with_attrs = riscv_iommu_mmio_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {
         .min_access_size = 4,
         .max_access_size = 8,
diff --git a/hw/sd/cadence_sdhci.c b/hw/sd/cadence_sdhci.c
index d576855a1a8..8476baf67fb 100644
--- a/hw/sd/cadence_sdhci.c
+++ b/hw/sd/cadence_sdhci.c
@@ -122,7 +122,7 @@ static void cadence_sdhci_write(void *opaque, hwaddr addr, uint64_t val,
 static const MemoryRegionOps cadence_sdhci_ops = {
     .read = cadence_sdhci_read,
     .write = cadence_sdhci_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl = {
         .min_access_size = 4,
         .max_access_size = 4,
diff --git a/hw/timer/ibex_timer.c b/hw/timer/ibex_timer.c
index ee186521893..0f12531934d 100644
--- a/hw/timer/ibex_timer.c
+++ b/hw/timer/ibex_timer.c
@@ -234,7 +234,7 @@ static void ibex_timer_write(void *opaque, hwaddr addr,
 static const MemoryRegionOps ibex_timer_ops = {
     .read = ibex_timer_read,
     .write = ibex_timer_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
     .impl.min_access_size = 4,
     .impl.max_access_size = 4,
 };
diff --git a/hw/timer/sifive_pwm.c b/hw/timer/sifive_pwm.c
index 780eaa50799..4f4f566cd4b 100644
--- a/hw/timer/sifive_pwm.c
+++ b/hw/timer/sifive_pwm.c
@@ -388,7 +388,7 @@ static void sifive_pwm_reset(DeviceState *dev)
 static const MemoryRegionOps sifive_pwm_ops = {
     .read = sifive_pwm_read,
     .write = sifive_pwm_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
+    .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
 static const VMStateDescription vmstate_sifive_pwm = {
-- 
2.53.0



  reply	other threads:[~2026-03-18 10:32 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-18 10:31 [PATCH-for-11.1 00/16] target/riscv: Forbid to use legacy native endianness API Philippe Mathieu-Daudé
2026-03-18 10:31 ` Philippe Mathieu-Daudé [this message]
2026-03-19  1:43   ` [PATCH-for-11.1 01/16] hw/riscv: Mark RISC-V specific peripherals as little-endian Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 02/16] target/riscv: Use explicit little-endian LD/ST API Philippe Mathieu-Daudé
2026-03-19  3:09   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 03/16] target/riscv: Make LQ and SQ use 128-bit ld/st Philippe Mathieu-Daudé
2026-03-26  2:06   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 04/16] target/riscv: Remove MTTCG check for x-rv128 CPU model Philippe Mathieu-Daudé
2026-03-26  2:06   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 05/16] target/riscv: Explode MO_TExx -> MO_TE | MO_xx (again) Philippe Mathieu-Daudé
2026-03-26  2:07   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 06/16] target/riscv: Conceal MO_ALIGN|MO_TE within load_acquire / store_release Philippe Mathieu-Daudé
2026-03-26  2:08   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 07/16] target/riscv: Factor tiny ldn() helper in gdbstub Philippe Mathieu-Daudé
2026-03-26  2:09   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 08/16] target/riscv: Simplify riscv_cpu_gdb_write_register() Philippe Mathieu-Daudé
2026-03-26  2:12   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 09/16] target/riscv: Expose mo_endian_env() Philippe Mathieu-Daudé
2026-03-26  2:13   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 10/16] target/riscv: Have gdbstub consider CPU endianness Philippe Mathieu-Daudé
2026-03-26  2:15   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 11/16] target/riscv: Replace MO_TE by mo_endian (MIPS extension) Philippe Mathieu-Daudé
2026-03-26  2:17   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 12/16] target/riscv: Replace MO_TE by mo_endian (Zilsd extension) Philippe Mathieu-Daudé
2026-03-26  2:18   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 13/16] target/riscv: Replace MO_TE by mo_endian (Zalasr extension) Philippe Mathieu-Daudé
2026-03-26  2:20   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 14/16] target/riscv: Replace MO_TE -> MO_LE Philippe Mathieu-Daudé
2026-03-26  2:21   ` Alistair Francis
2026-03-18 10:31 ` [PATCH-for-11.1 15/16] target/riscv: Use MO_LE for instruction fetch Philippe Mathieu-Daudé
2026-03-20 11:27   ` Djordje Todorovic
2026-03-18 10:31 ` [PATCH-for-11.1 16/16] configs/targets: Forbid RISC-V to use legacy native endianness APIs Philippe Mathieu-Daudé
2026-03-26  2:21   ` Alistair Francis
2026-03-26  2:28 ` [PATCH-for-11.1 00/16] target/riscv: Forbid to use legacy native endianness API Alistair Francis

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