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Architectural Support

New Architecture Support

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Markdown
* [

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#15879](https://github.com/apache/nuttx/pull/

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15879)

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 arch/mcx-nxxx: Add support for NXP MCX-N236 CPU

Architecture Improvements

Markdown
* [#15584](https://github.com/apache/nuttx/pull/

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15584)

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 arch/

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Kconfig: allow FLASH config w/o MMU
* [#15072](https://github.com/apache/nuttx/pull/

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15072) arch

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: mem barrier interface Align with riscv
* [#15651](https://github.com/apache/nuttx/pull/15651) arch: set (*running_task)->xcp.regs to NULL when exit from irq/exception
* [#15669](https://github.com/apache/nuttx/pull/

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15669) arch: select LIBC_ARCH_ELF when using COREDUMP
* [#15728](https://github.com/apache/nuttx/pull/

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15728)

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 arch: Remove the abuse of spinlock in smp boot
* [#15769](https://github.com/apache/nuttx/pull/

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15769)

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 arch/zynq-mpsoc improve the ethernet driver
* [#15908](https://github.com/apache/nuttx/pull/

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15908) arch/

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mcx-

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nxxx: Add GPIO interrupt support
* [#15892](https://github.com/apache/nuttx/pull/

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15892) arch/

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ra4: Add support for Renesas RA4M1 MCU
* [#15400](https://github.com/apache/nuttx/pull/

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15400) arch/

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qemu-

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armv7a: kernel mode cmake support

ARM

Markdown
* [#15486](https://github.com/apache/nuttx/pull/

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15486) arch/arm

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: Add LLVM configuration to CMake
* [#15517](https://github.com/apache/nuttx/pull/

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15517) arch/arm

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: fix regression by spinlock change
* [#15762](https://github.com/apache/nuttx/pull/

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15762) arch/arm

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: add semihosting poweroff
* [#15529](https://github.com/apache/nuttx/pull/

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15529) arch/

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armv7a: fix vfork for KERNEL build
* [#15585](https://github.com/apache/nuttx/pull/

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15585) arch/

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armv7-

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r: fix gic.h build error
* [#15800](https://github.com/apache/nuttx/pull/

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15800) arch/

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armv7-r: PROTECTED mode support (1/2)
* [#15813](https://github.com/apache/nuttx/pull/

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15813) arch/

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armv7-r: PROTECTED mode support (2/2)
* [#15870](https://github.com/apache/nuttx/pull/

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15870) arch

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: cxd56xx: Fix i2c bus freeze at i2c initialization
* [#15092](https://github.com/apache/nuttx/pull/

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15092)

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 arch: cxd56xx: : use small lock in arch/arm/src/cxd56xx/cxd56_rtc.c
* [#15166](https://github.com/apache/nuttx/pull/

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15166) arch

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: cxd56xx: Fix not restart after TX error
* [#15884](https://github.com/apache/nuttx/pull/

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15884) arch: cxd56xx: Update delay value for subcore
* [#15837](https://github.com/apache/nuttx/pull/

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15837) arch/arm/

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max326xx: add max32690 gpio driver
* [#15504](https://github.com/apache/nuttx/pull/

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15504) arch/arm/

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rp23xx: Set priority for svcall exception
* [#15781](https://github.com/apache/nuttx/pull/

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15781) arch/arm/

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samv7/sam_tc_lowerhalf.c: do not set the CPCSTOP bit
* [#15583](https://github.com/apache/nuttx/pull/

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15583) Add STM32H5 Ethernet Driver
* [#15351](https://github.com/apache/nuttx/pull/15351) Add STM32H5 QSPI Driver
* [#15271](https://github.com/apache/nuttx/pull/

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15271) Add Hardware Defines for STM32H5 QSPI Driver
* [#15411](https://github.com/apache/nuttx/pull/

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15411) Add FDCAN Character Driver to STM32H5 Architecture
* [#15495](https://github.com/apache/nuttx/pull/

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15495) Add Timer Support to STM32H5 ADC Driver
* [#15420](https://github.com/apache/nuttx/pull/

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15420) arch/arm/stm32/: Fix I2C to support STM32G4 devices.
* [#15421](https://github.com/apache/nuttx/pull/

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15421) arch/arm/

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stm32/: Added enable/disable to timer low level ops.
* [#15458](https://github.com/apache/nuttx/pull/

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15458) arch/

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arm/stm32: fix stm32g4 enable pll code.
* [#15473](https://github.com/apache/nuttx/pull/

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15473) arch/arm/

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stm32/i2c: raise compilation error when configuration is invalid
* [#15872](https://github.com/apache/nuttx/pull/

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15872) arch/arm/

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tiva: Add complementary PWM mode support
* [#15093](https://github.com/apache/nuttx/pull/

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15093)

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 lc823450_

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dma: use small lock in arch/

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arm/src/

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lc823450/

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lc823450_

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dma.c

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* [

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#15094](https://github.com/apache/nuttx/pull/

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15094) max32660_rtc: use small lock in arch/arm/src/max326xx/max32660/max32660_rtc.c
* [#15096](https://github.com/apache/nuttx/pull/

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15096)

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 s32k3xx_

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serial: use small lock in arch/arm/src/

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s32k3xx/

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s32k3xx_

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serial.c

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* [

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#15222](https://github.com/apache/nuttx/pull/

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15222)

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 lc823450_

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rtc: use small lock in arch/arm

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/src/

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lc823450/

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lc823450_

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rtc.c

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* [

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#15255](https://github.com/apache/nuttx/pull/

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15255) at32_serial: use small lock in arch/arm/src/at32/at32_serial.c
* [#15263](https://github.com/apache/nuttx/pull/

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15263) imx_gpio: use small lock in arch/arm/src/imx6/imx_gpio.c

ARM64

Markdown
* [#15748

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](https://github.com/apache/nuttx/pull/

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15748) arch/

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arm64 Fix the SP unalignment issues
* [#15758](https://github.com/apache/nuttx/pull/

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15758) arch/

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arm64: generate error if context size is not aligned to 16bytes
* [#15646](https://github.com/apache/nuttx/pull/

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15646) arch

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/arm64/src/imx9/imx9_lpuart.c: Call uart_xmitchars when txint is enabled
* [#15519](https://github.com/apache/nuttx/pull/

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15519) arch/

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arm64: fix typo spin_lock_irqsave -> spin_unlock_irqrestore
* [#15901](https://github.com/apache/nuttx/pull/

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15901) arch/

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arm64: fix boot stage prints with CONFIG_ARCH_EARLY_PRINT=y
* [#15083](https://github.com/apache/nuttx/pull/

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15083) arch/

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arm64/

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src/

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imx9/

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imx9_usdhc.

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c: Simplify eventwait logic and remove…
* [#15843](https://github.com/apache/nuttx/pull/

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15843) arch

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/arm/imx9: scmi: update to scmi 3.2 spec
* [#15290](https://github.com/apache/nuttx/pull/

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15290) imx9_flexcan: use small lock in arch/arm/src/

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imx9/imx9_flexcan.c
* [#15291](https://github.com/apache/nuttx/pull/

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15291) imx9_lpuart: use small lock in arch/arm(64)/

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src/

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imx9/imx9_lpuart.c
* [#15144](https://github.com/apache/nuttx/pull/

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15144) arch/

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arm64/

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imx9: Fix usdhc dma receive

sim

Markdown
* [#15209](https://github.com/apache/nuttx/pull/

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15209) sim: Fix build errors on macOS
* [#15341](https://github.com/apache/nuttx/pull/

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15341) sim_alsa: set paused to false when executing close
* [#15661](https://github.com/apache/nuttx/pull/

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15661)

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 sim/

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posix/

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uart: add host_printf() to debug some critical issue
* [#15706](https://github.com/apache/nuttx/pull/

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15706) sim: Align LLVM target info across CMake and Makefile
* [#15645](https://github.com/apache/nuttx/pull/

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15645)

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 sim/rpmsg_uart: add sim rpmsg uart support
* [#15639](https://github.com/apache/nuttx/pull/

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15639)

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 sim/virtio: fix typo sim_rpmsg_vritio.c -> sim_rpmsg_virtio.c
* [#15633](https://github.com/apache/nuttx/pull/

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15633)

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 sim/nsh: enable debug assertion by default
* [#15586](https://github.com/apache/nuttx/pull/

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15586) sim: fix regression from https://github.com/apache/nuttx/pull/

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14623
* [#15552](https://github.com/apache/nuttx/pull/15552) sim_hostfs:add host_errno_convert API for convert result
* [#15500](https://github.com/apache/nuttx/pull/

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15500) sim: Fixes the linker 'noexecstack' warning
* [#15463](https://github.com/apache/nuttx/pull/

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15463) sim:citest: Bump the nsh line length
* [#15453](https://github.com/apache/nuttx/pull/

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15453) sim: Disable chained fixups for sim_macho_init.c
* [#15418](https://github.com/apache/nuttx/pull/

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15418)

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 sim/

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oneshot: Remove redundant variables.
* [#15226](https://github.com/apache/nuttx/pull/

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15226) arch/

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sim/src/nuttx-names.in: Add pipe2

X86_64

Markdown
* [#15409](https://github.com/apache/nuttx/pull/

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15409) arch/

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intel64: allow to attach handlers to ISR
* [#15325](https://github.com/apache/nuttx/pull/

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15325) arch/

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x86_64:g_current_regs is only used to determine if we are in irq,
* [#15392](https://github.com/apache/nuttx/pull/

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15392) arch/

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x86_64: The interrupt context flag is stored in the CPU private …
* [#15398](https://github.com/apache/nuttx/pull/

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15398) arch/

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x86_64: this_task is stored in the CPU private data
* [#15408](https://github.com/apache/nuttx/pull/

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15408) arch

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/x86_64/include/intel64/irq.h: align definitions
* [#15508](https://github.com/apache/nuttx/pull/

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15508) arch/

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x86_64:Resolve the issue of abnormal interrupt numbers triggered when KASAN is enabled

Xtensa

Markdown
* [#15741](https://github.com/apache/nuttx/pull/

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15741) arch/

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xtensa: Add --print-memory-usage to LDFLAGS in Toolchain.defs
* [#15404](https://github.com/apache/nuttx/pull/

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15404) arch/

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xtensa: enable SPIRAM test during boot of ESP32|S3
* [#15080](https://github.com/apache/nuttx/pull/

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15080)

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 xtensa/esp32: encrypted MTD for partition offset
* [#15082](https://github.com/apache/nuttx/pull/

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15082) xtensa/esp32s3: add lock for async operation work
* [#15232](https://github.com/apache/nuttx/pull/

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15232) esp32_rtc: use small lock in arch/xtensa/src/esp32s2/esp32s2_rtc.c
* [#15221](https://github.com/apache/nuttx/pull/

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15221) esp32s3_rtc: use small lock in arch/xtensa/src/esp32s3/esp32s3_rtc.c
* [#15470](https://github.com/apache/nuttx/pull/

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15470) arch/esp32s3_partition: Read data from SPI Flash with decryption
* [#15269](https://github.com/apache/nuttx/pull/15269) arch/xtensa: Support `__thread` and `thread_local` keywords

Risc-v

Markdown
* [#15895](https://github.com/apache/nuttx/pull/15895) riscv/esp32c6: Fix issue related esp32c6 usbserial driver.
* [#15763](https://github.com/apache/nuttx/pull/15763) arch/risc-v/Kconfig: Select ARCH_RV_CPUID_MAP for all mpfs targets
* [#15642](https://github.com/apache/nuttx/pull/15642) arch/risc-v/src/mpfs: Disable external interrupts on all SMP harts
* [#15713](https://github.com/apache/nuttx/pull/15713) arch/risc-v/src/mpfs/mpfs_cache.c: Move l2zerodevice to use cache ways starting from 0
* [#15725](https://github.com/apache/nuttx/pull/15725) arch/risc-v/src/common/riscv_backtrace.c: Fix "error: pointer of type 'void *' used in arithmetic"
* [#15819](https://github.com/apache/nuttx/pull/15819) mpfs_i2c: Tweaks and fixes for the i2c driver
* [#15469](https://github.com/apache/nuttx/pull/15469) arch/risc-v: Improve LLVM CPU type detection with findstring
* [#15475](https://github.com/apache/nuttx/pull/15475) arch/risc-v: Refactor LLVM CPU type handling in Toolchain.cmake
* [#15537](https://github.com/apache/nuttx/pull/15537) arch/risc-v: Decouple ARCH_RV_CPUID_MAP and up_cpu_index()
* [#15540](https://github.com/apache/nuttx/pull/15540) arch/risc-v: Remove riscv_mhartid
* [#15381](https://github.com/apache/nuttx/pull/15381) arch/risc-v: inline up_cpu_index if RISCV_PERCPU_SCRATCH is not enabled
* [#15396](https://github.com/apache/nuttx/pull/15396) arch/risc-v: Make CPU index handling based on ARCH_RV_CPUID_MAP
* [#15294

...

](https://github.com/apache/nuttx/pull/

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15294) arch/risc-v/espressif: add missing spinlock to wlan_recvframe
* [#15084](https://github.com/apache/nuttx/pull/

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15084) risc-v/mpfs: make cache clearing optional
* [#15835](https://github.com/apache/nuttx/pull/

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15835)

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 arch/risc-v: move stack boundary check into backtrace
* [#15878](https://github.com/apache/nuttx/pull/

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15878) arch

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/risc-v/src/mpfs: Move PLIC interrupt enable/disable to mpfs_plic and handle pending interrupts
* [#15886](https://github.com/apache/nuttx/pull/

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15886) arch

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/risc-v/src/mpfs: Implement wrcomplete support for coremmc driver
* [#15910](https://github.com/apache/nuttx/pull/

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15910) arch

...

/risc-v: Add ARCH_HAVE_RAMFUNCS to ESP32-C6 and ESP32-H2
* [#15097](https://github.com/apache/nuttx/pull/

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15097) litex_serial: use small lock in arch/risc-v/src/litex/litex_serial.c
* [#15225](https://github.com/apache/nuttx/pull/

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15225) esp32c3_rtc: use small lock in arch/risc-v/src/esp32c3-legacy/esp32c3_rtc.c
* [#15267](https://github.com/apache/nuttx/pull/

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15267) esp_rtc: use small lock in arch/risc-v/src/common/espressif/esp_rtc.c

Driver Support

New Driver Support



Markdown
* [#15295](https://github.com/apache/nuttx/pull/15295) nuttx/audio: add fake audio driver.

...


* [#15307](https://github.com/apache/nuttx/pull/15307) drivers/sensors: Add support to Renesas FS3000 Air Velocity Flow

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* [#15332](https://github.com/apache/nuttx/pull/15332) risc-v/bl808: Add I2C driver

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* [#15496](https://github.com/apache/nuttx/pull/15496) drivers/sensors/bmi088: add driver for Bosch BMI088 IMU

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* [#15525](https://github.com/apache/nuttx/pull/15525) drivers/sensors: Wrote a driver for the MCP9600 thermocouple amplifier.

...


* [#15795](https://github.com/apache/nuttx/pull/15795) drivers/wireless/lpwan/sx126x: Initial standalone sx126x driver

Drivers With Significant Improvements

Markdown
* [#15293](https://github.com/apache/nuttx/pull/15293) drivers/sensors: Add Velocity sensor type to UORB

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* [#15339](https://github.com/apache/nuttx/pull/15339) Drivers/thermal: Fix hysteresis takes no effect error

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* [#15340](https://github.com/apache/nuttx/pull/15340) drivers/e1000: malloc size error

...


* [#15342](https://github.com/apache/nuttx/pull/15342) drivers/sensors/gnss: Fix deactivate failure when using both topic and device

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* [#15387](https://github.com/apache/nuttx/pull/15387) drivers/timers/watchdog: add watchdog timer notifier chain

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* [#15406](https://github.com/apache/nuttx/pull/15406) drivers/serial: simplify 16550_PCI_UARTx_CLOCK config

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* [#15410](https://github.com/apache/nuttx/pull/15410) virtio-rng: Register /dev/urandom driver if CONFIG_DEV_URANDOM=y

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* [#15440](https://github.com/apache/nuttx/pull/15440) drivers/video: add BRGA8888 support for goldfish gpu fb

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* [#15448](https://github.com/apache/nuttx/pull/15448) drivers/sensors/gnss: Fix integer overflow error

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* [#15468](https://github.com/apache/nuttx/pull/15468) drivers/sensors/gnss: Macro `UINT8_MAX` for maximum value of `uint8_t crefs

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* [#15485](https://github.com/apache/nuttx/pull/15485) drivers/usbdev/cdcacm.c: Fix a crash in cdcacm if usbdev gets unregistered while client calls close for the tty

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* [#15498](https://github.com/apache/nuttx/pull/15498) drivers/vhost: fix compile error while get vhost status.

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* [#15520](https://github.com/apache/nuttx/pull/15520) drivers/note: fix typo falgs and align local name to irq_mask

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* [#15564](https://github.com/apache/nuttx/pull/15564) drivers/can: ctucanfd the first round of fixes - mainly for char dev

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* [#15610](https://github.com/apache/nuttx/pull/15610) drivers/sensor: add new sensot type to align android sensor type

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* [#15612](https://github.com/apache/nuttx/pull/15612) drivers: mcp23x08 add missing header and fix some defines

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* [#15629](https://github.com/apache/nuttx/pull/15629) drivers/iovec: revert vector io implement from loop/null/zero driver

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* [#15641](https://github.com/apache/nuttx/pull/15641) drivers/rpmsg: fix compiler warning

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* [#15654](https://github.com/apache/nuttx/pull/15654) drivers/rpmsg: update format string

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* [#15663](https://github.com/apache/nuttx/pull/15663) drivers/rpmsg_port_uart: remove debug message of datalen

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* [#15703](https://github.com/apache/nuttx/pull/15703) LIS2MDL UORB driver

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* [#15789](https://github.com/apache/nuttx/pull/15789) drivers/sensors: Added uORB driver for LSM6DSO32 IMU.

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* [#15799](https://github.com/apache/nuttx/pull/15799) drivers/devicetree: merge ioresource MEM64 to prefetchable memory

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* [#15811](https://github.com/apache/nuttx/pull/15811) drivers/thermal: Add support for passive trip point

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* [#15860](https://github.com/apache/nuttx/pull/15860) drivers/sensors/lsm6dso32: fixed byte read command to include start condition

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* [#15871](https://github.com/apache/nuttx/pull/15871) drivers/rpmsg/Kconfig: Add SPI dependency for RPMSG_PORT_SPI

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* [#15875](https://github.com/apache/nuttx/pull/15875) drivers/sensors/ms56xx: Use nxsig_usleep for long delays.

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* [#15882](https://github.com/apache/nuttx/pull/15882) drivers/net: change format specifiers macros on lan9250 driver

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* [#15891](https://github.com/apache/nuttx/pull/15891) drivers/thermal/core: Fix work not queued after getting temperature fails

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* [#15914](https://github.com/apache/nuttx/pull/15914) drivers/audio/es8311: set proper format specifier for logging

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* [#15918](https://github.com/apache/nuttx/pull/15918) drivers/audio/es8388: set proper format specifier macro for logging

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* [#14898](https://github.com/apache/nuttx/pull/14898) drivers/serial/serial.c: adapt to the iovec-based api

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* [#15142](https://github.com/apache/nuttx/pull/15142) drivers/timers/watchdog: support the configurations of Auto-monitor r…

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* [#15145](https://github.com/apache/nuttx/pull/15145) drivers/bch: Drivers may not support command `BIOC_FLUSH`

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* [#15824](https://github.com/apache/nuttx/pull/15824) sensors/lsm6dso32: Fixed typo in device address registration.
* [#15573](https://github.com/apache/nuttx/pull/15573) sensors/

...

sht4x: Converted SHT4X driver to UORB framework.




Board Support

New Board Support


Markdown
* [#15785](https://github.com/apache/nuttx/pull/15785) esp32[s3]: Add ES8311 support for esp32s3-lcd-ev board

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* [#15798](https://github.com/apache/nuttx/pull/15798) boards/arm Add support to Seeed Xiao nRF52840 Board

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* [#15867](https://github.com/apache/nuttx/pull/15867) boards/Add ARCH_CHIP_ESP32S3WROOM1N16R8 configuration for ESP32-S3 DevKit

Boards With Significant Improvements


Markdown
* [#15539](https://github.com/apache/nuttx/pull/15539) boards: Refresh configurations with refresh.sh

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* [#15541](https://github.com/apache/nuttx/pull/15541) boards: Replace `CONFIG_NSH_LINELEN` with `CONFIG_LINE_MAX`

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* [#15187](https://github.com/apache/nuttx/pull/15187) boards: add nimble defconfig to esp32c3-generic

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* [#15224](https://github.com/apache/nuttx/pull/15224) boards/sim/sim/sim/scripts/Make.defs: simplify a bit

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* [#15390](https://github.com/apache/nuttx/pull/15390) boards/risc-v, xtensa: Remove CONFIG_DEV_ZERO

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* [#15427](https://github.com/apache/nuttx/pull/15427) board/qemu-armv7a: add board_power_off

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* [#15438](https://github.com/apache/nuttx/pull/15438) boards/xtensa: unify linker script for MCUBoot and Simple Boot

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* [#15524](https://github.com/apache/nuttx/pull/15524) boards/xtensa: disable DEV_CONSOLE on usbnsh defconfig

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* [#15620](https://github.com/apache/nuttx/pull/15620) boards/qemu-armv7r: fix typo

...


* [#15626](https://github.com/apache/nuttx/pull/15626) boards/qemu-armv7a: revises knsh config

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* [#15659](https://github.com/apache/nuttx/pull/15659) nuttx/boards:fix kconfig under apps/testing folder that change config-testing-mm to config-testing-heap

...


* [#15682](https://github.com/apache/nuttx/pull/15682) boards/linum-stm32h753bi: Fix wrong usbnsh example name

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* [#15698](https://github.com/apache/nuttx/pull/15698) boards: Rename CONFIG_TESTING_SENSORTEST to CONFIG_SYSTEM_SENSORTEST

...


* [#15704](https://github.com/apache/nuttx/pull/15704) boards/qemu-armv7a: revise nsh config

...


* [#15710](https://github.com/apache/nuttx/pull/15710) boards/linum-stm32h753bi: Fix lvgl example

...


* [#15724](https://github.com/apache/nuttx/pull/15724) boards/rv-virt: use modlib gnu-elf.ld

...


* [#15727](https://github.com/apache/nuttx/pull/15727) boards/stm32/nucleo-f429zi: update netnsh defconfig

...


* [#15750](https://github.com/apache/nuttx/pull/15750) feat: add arch depends for aurix tc397 board

...


* [#15796](https://github.com/apache/nuttx/pull/15796) boards/linum-stm32h753bi: optimize display timings and memory config

...


* [#15817](https://github.com/apache/nuttx/pull/15817) boards/stm32l4: Fix all boards to support proper stm32_bringup.c

...


* [#15832](https://github.com/apache/nuttx/pull/15832) boards/b-g431b-esc1: configure CAN_TERM pin

...


* [#15833](https://github.com/apache/nuttx/pull/15833) boards/stm32: fix CAN bit timings for boards

...


* [#15834](https://github.com/apache/nuttx/pull/15834) boards/stm32: enable SocketCAN utils for cansock configs

...


* [#15836](https://github.com/apache/nuttx/pull/15836) boards/esp32s3-devkit: Initializing configuration for Fastboot

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* [#15863](https://github.com/apache/nuttx/pull/15863) board/arm/rp2040: support config st7789 reset gpio pin

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* [#15894](https://github.com/apache/nuttx/pull/15894) boards/arm/rp2040/common: Add weak_function to SPI common logic


File System

Bug Fixes

Markdown
* [#13519](https://github.com/apache/nuttx/pull/13519) fs/reference_count: set default reference count option depends on DISABLE_PTHREAD

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* [#14444](https://github.com/apache/nuttx/pull/14444) fs/inode: refresh tcb after each file sync() is completed

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* [#15077](https://github.com/apache/nuttx/pull/15077) fs/tmpfs: Skip any slash at the beginning of relpath

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* [#15202](https://github.com/apache/nuttx/pull/15202) fs: fix comment in https://github.com/apache/nuttx/pull/15163

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* [#15159](https://github.com/apache/nuttx/pull/15159) fs/shm/shmfs_alloc.c: Allocate zero-initialized memory in flat build

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* [#15167](https://github.com/apache/nuttx/pull/15167) fs/fat/fs_fat32util.c: fix potential exception due to dividing zero during mounting when fat is corrupted

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* [#15203](https://github.com/apache/nuttx/pull/15203) fs: move fl_lock to a more appropriate location

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* [#15204](https://github.com/apache/nuttx/pull/15204) fs/littlefs/Make.defs: fix a littlefs unpack regression

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* [#15603](https://github.com/apache/nuttx/pull/15603) fs/vfs: initialize uio only if lower implement readv/writev

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* [#15814](https://github.com/apache/nuttx/pull/15814) littlefs/cmake: fix compilation flag issue



Networking

Improvements

Bug Fixes

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