148 lines
7.7 KiB
Plaintext
148 lines
7.7 KiB
Plaintext
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NuttX-9.0.0
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-----------
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This is the first release of NuttX as Apache NuttX (Incubating) and represents our first major milestone as a Podling of the Apache Software Foundation's Incubator. This release is the culmination of nearly 6 months of hard work and includes several new architectures and drivers, and numerous improvements and bug fixes to the core RTOS, drivers, and networking subsystems.
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* Major Changes to Core OS
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* Bugfixes
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- nxsem_wait_uninterruptible() now returns if the task is canceled.
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- Fix a bug in pthread_condwait() that was improperly re-initializing the mutex.
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- In sched_setpriority(), fix functions called inside a DEBUGASSERT that were eliminated when assertions are disable
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* Compatibility Concerns
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- The configuration option CONFIG_CAN_PASS_STRUCT is now removed. Previously, it was used (at the cost of breaking standards support) to support older versions of the SDCC compiler that couldn't pass structs/unions as functions' parameters. A newer version of the compiler has resolved the issue.
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* Major Changes to Build System
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- Add a post-build function that allows extending the build with CPU/board-specific logic.
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- Add build tools to simplify ZDS-II tool usage.
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- mkexport.sh: Deal with ARCHSCRIPT containing multiple files.
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- Various nxstyle improvements.
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* Architectural Support
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* New architecture support
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- Add support for RISCV-64
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- Add support for x86_64 (tested on QEMU)
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- Add support for ELF64
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- Add a port to the NUCLEO-F429ZI board
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- Add support for the STM32H747I-DISCO board
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- Add Z20X board support and bootloader to upload code from the W25 flash to SRAM
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- Add initial support for Litex with softcore CPU VexRiscV SoC
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- Add support for the Digilent ARTY_A7 board to test the Litex port
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- Added initial support for Sipeed Maix Bit board with Kendryte K210 processor
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- New architectural support: ez80f92
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- Flat address x86_64 port of NuttX
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- Support to run NuttX on ESP32 QEMU
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- Initial support for Sipeed Maix Bit board with Kendryte K210 processor
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- Add initial support for Kendryte K210 processor in SMP mode
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- NXP S32K11x (Cortex-M0+) and S32K14x (Cortext-M4F): Add support for NXP automotive boards.
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- XMC 4700 (Cortex-M4F)
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* Architectures with significant improvements
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- ESP32 loadable modules support
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- i.MX RT: FLEXIO clock config logic.
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- Fix the clock configuration for the i.MX RT family
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- i.MX RT: Add ability to run from OCRAM
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- SAMA5D27 peripheral support - USB Host working
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- z20x: Add W25 bootloader
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- i.MX RT: Add USB Device support
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- STM32, STM32F7, STM32H7 add SPI DMATHRESHOLD
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- Improve the simulator timer
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- 64-bit modules on macOS simulator
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- z20x: Add XTP2046 SPI support; add timer support
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- RX65N RTC Driver added
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- NXP Freedom K28F Board SD-Card support
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- STM32H7: support SDRAM via FMC peripheral
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- LM3S6965-ek: Add PROTECTED build support
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- STM32H7: Added IWDG and WWDG, power management (sleep/stop/standby), WKUP pin configuration
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- SAMV71: Add read UID implementation and move flash functions to RAM
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- i.MX RT: Fix interrupts storm (serial & I2C)
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- Various fixes and cosmetic changes to the CxD56xx architecture
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- Fix SiFive FE310 related code (comments, improve serial irq handling, initial int status)
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- Implement QSPI for STM32H7
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- Improvements for the nRF52 port: I2C, SPI, GPIO support
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- Updates for LPC17xx/40xx serial
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- Adds basic support for Microchip SAM E54 Xplained Pro board
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- Adds an Ethernet driver for the SAME5x family (based on the SAMA5 GMAC driver)
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- Add CDC ECM Ethernet over USB 2.0 High Speed (tested on SAMA5D36-Xplained board)
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- Simulator: Reimplement simulator uart on top of serial driver framework
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- NXP S32K1XX peripheral clock fixes
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- Fix syscall stack alignment on armv7-m
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- Fix flash_erase(page) when page >= 256 for STM32L4 family
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- Add partial support for the NETLINK poll() operation.
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- Add serial DMA support for STM32F7
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- Add AM335x Clock Configuration
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- Add I2C support for AM335x
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- Add configuration to fine tune LPI2C Timeout for iMXRT
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- Add CAN support to AM335x
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- Add I2C support to STM32F0/L0/G0
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- Kinetis LPC SDCard improvements
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- Replace the busy polling with work_queue in the ethernet driver of simulator
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- Fix Xtensa's SMP support to follow same logic from other SMP archs
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- PIC32MZ: SPI transfers can be configured to use DMA.
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- PIC32MZ: Implement cache operations.
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* Driver Support
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* New drivers
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- New driver for the ADS7828 I2C analog to digital converter
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- driver/ioexpander: New driver for PCA9538 I2C I/O expander
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- New driver type for battery monitor ICs.
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- Driver for the BQ769x0 battery monitor IC.
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- Add Support for Quectel EC20 4G LTE Module USB CDC/ACM
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- Add QSPI-based Winbond NOR FLASH driver
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* Drivers with significant improvements
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- Update all the drivers to check return value of nxsem_wait_uninterruptible().
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- MCP9844 shutdown mode support
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- fcntl: add O_CLOEXEC flag, add O_CLOEXEC/FD_CLOEXEC support
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- CDC-ECM Ethernet over USB 2.0 HS
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- smartfs improvements: Handling of duplicate sectors, support fsck to check and repair the smartfs file system, and recover SPI Flash from initial error state.
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- Various fixes for USBDEV driver: Remove unnecessary reset logic, fix descriptor type mismatch when dual speed is enabled, fix invalid/unsupported command processing, and fix string ID calculation.
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- Handle size zero in umm_malloc.c and umm_realloc.c, which causes a system freeze in kernel mode.
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- Fixed compilation issue with poll fds notification.
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- Report POLLHUP and POLLERR in 'revents' regardless the requested 'events' set.
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* Networking
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- Telnet: Fix/Refine CTRL+C to work on telnet
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- TCP: Fix of faulty TCP sequence increments
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- netdb: Fix netdb to query IPv4 and IPv6 addresses regardless the server address type
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- Netlink sockets may be set to non-blocking
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- Improve TUN and SLIP, refine Control+C Handling in Telnet
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- Sockets: Add socket MSG_DONTWAIT support
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- Network Loopback Driver: Add a configuration option to control packet size
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- Network IOCTLs: Add FIONBIO network IOCTL support
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- NFS: Support IPv4 and TCP
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- Sockets: Add IP and TCP socket options needed by iperf3
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- Netlink: Add support for asynchronous Netlink responses
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- TCP: Monitor TCP_POLL/TCP_NEWDATA/TCP_BACKLOG per the request like UDP counterpart
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- TCP: Minor design improvement to TCP delayed ACKs
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- DNS IPv4/IPv6 Dual Host Support: When IPv4/IPv6 Dual Stack is enabled, queries both types of addresses regardless of whether the DNS server is accessed via IPv4 or IPv6. As a result, getaddrinfo() may return a mixed (IPv4/IPv6) address list.
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* Applications
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* Improvements
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- Extend netutils and netinit to work with only Netlink sockets enabled
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- Add getprime program to check multi-thread performance
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- Improve zmodem send performance
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- Add simple HTS221, LSM303 and LSM6DSL examples
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- Improve to gs2200m wiki performance
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- Improve telnet server and enable it to listen on both IPv4 and IPv6
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- Improve ntpclient logic
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- Improve wapi to save configuration to file system
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- Improve wapi to skip associate if ssid is invalid
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- Improve cmd_nfsmount to use IPv4 and IPv6
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- Improve ostest for SMP and non-SMP configurations
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- Improve UDP to avoid using standard symbols
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- Improve dhcpd to include configurable timeout and retry count
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* Bugfixes
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- Correct format when printing ARP tablet entries
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- Ensure /bin/ping and ping work at the same time
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- Correct backward conditional logic in dhcpd_leaseexpired()
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- Fix several problems on ftpd
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- Fix dhcpd issue reported on Issue #17
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- Fix sendmail example to run on a local SMTP server
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- Fix buffer overflow on netlib
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- Fix compile errors in loopback mode of the tcpblaster
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- Fix stack corruption in ELF task test
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- Fix errors in NoBlockRecv and BlockRecv tests of usrsocktest
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- Fix ipforward IP Header issue for IPv4
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- Fix wrongly swapped parity options of CU program
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- Fix slcd to avoid using priv->fd before initializing it
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- Fix (tcp, udp)blaster to build on macOS
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- Correct the buffer type of base64 program
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