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release-notes.md

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Notes / Changes in various releases

Zephyr SDK 0.14.1-rc2

  • general:

    • Introduced minimal distribution bundle that supports selective download and installation of the target toolchains.
    • Added ESP32 and ESP32-S2 Xtensa toolchains.

  • qemu:

    • Updated to QEMU 6.2 release.
    • Added I2C device emulation support for ARM targets.
    • Separated QEMU for ARC architecture from the upstream QEMU.

Zephyr SDK 0.14.0

  • general:
    • Added multi-platform toolchain support (Linux, macOS and Windows).
    • Replaced self-extracting archive (SFX) distribution format with conventional archive with a setup script that can be manually run after extraction.
    • Changed Xtensa target triplet names to include the target SoC name (e.g. xtensa-sample_controller_zephyr-elf).

Zephyr SDK 0.13.2

  • gcc:

    • Added multilibs for the RISC-V RV32E targets.
    • Disabled MIPS GP register optimisation, which is not supported by the Zephyr MIPS architecture port.

  • newlib:

    • Enabled C99 format specifier support for newlib full variant.

  • qemu:

    • Added MIPS little endian emulation
    • Update xilinx qemu to 5.1.0
    • Added Xilinx MicroBlaze little endian emulation

  • openocd:

    • Fixed missing DBG clock on STM32G0/L0.
    • Fixed image verification for ARC.

Zephyr SDK 0.13.1

  • gdb:

    • Fix ELF file format support issue on MacOS

  • newlib:

  • gcc:

    • Pull in patches for Arm-GCC-CVE-2021-35465

  • qemu:

    • Allow setup of ARC's "virt" board memory size

Zephyr SDK 0.13.0

  • general:

    • Added support for ARC64. NOTE: GDB isn't currently supported for ARC64.
    • CI/go.sh changes to make building MacOS and CI building easier.
    • Various fixes for building/packaging on MacOS
    • Added GitHub CI workflow to build MacOS x86_64 packages

  • qemu:

    • Updated to QEMU 6.0.0
    • Added arc64 support. NOTE: this update ARC support replaces the machine (-M simhs) with (-M virt). This change will require updates to boards/arc/qemu_arc/board.cmake in Zephyr to match.
    • Pull in fix from upstream for TFM: target/arm: Use correct SP in M-profile exception
    • Pull in fixes from upstream for: hw/arm: Fix modelling of SSE-300 TCMs and SRAM

  • gcc:

    • Update to gcc 10.3 release
    • Added support for ARC64
    • Removed libgcc transactional memory clone registry support
    • Fixed incorrect build specs for libstdc++ nano variant. The libstdc++ nano variant, which is used with newlib-nano, is now built with -fno-exceptions to reduce compiled binary size.

  • binutils:

    • Updated to add support for ARC64

  • newlib:

    • Updated to add support for ARC64
    • Added multithreading support
    • Fix nano.spec file to pull in nano libraries.
    • Set -mthumb-interwork for nano newlib builds to workaround at crosstool issue.

  • crosstool-ng:

    • sync with upstream. Upstream now supports newlib-nano so we drop our Zephyr specific updates. This also pulls in gcc-10.3 and initial support for ARC64.
    • Fix stripping of newlib-nano libs

  • yocto:

    • Update to yocto 3.2.3 baseline. This is in prep to support building qemu-6.0.0

  • openocd:

    • Update to upstream 20210630 snapshot

Zephyr SDK 0.12.4

  • cmake:
    • Update for future arm/arm64 split

Zephyr SDK 0.12.3

  • gcc:
    • Backport patches from releases/gcc-10 branch for ARM. Mainly to pickup fixes for Cortex-M55/ARM-v8.1m support

Zephyr SDK 0.12.2

  • binutils:
    • Enable x86_64-pep target for EFI binary support

Zephyr SDK 0.12.1

  • General:
    • Re-enable MIPS toolchain target
    • Fix version number in cmake/zephyr/Kconfig

Zephyr SDK 0.12.0

  • General:

    • Updated to using buildkite for CI
    • Updated yocto 3.1.1
    • Build aarch64 (arm64) linux host toolchains.
    • Moved to using a zephyr fork of crosstool-ng
    • Update bossa to 1.9.1+ + SAM4L support
    • cmake: Set HOST_TOOLS_HOME based on OS_PLATFORM
    • tweaks to installer script

  • QEMU:

    • Updated to QEMU 5.1.0
    • Added icount support for ARC
    • Backport RISC-V PMP fixes from upstream qemu

  • OpenOCD:

    • Updated to 20201109 snapshot [e44539d66c8929679321704768125df9ba7d5f67]

  • newlib:

    • Updated to version 3.3
    • Updated xtensa to version 3.3 (in sync with all arch's)
    • Change default builds to be built with -O2

  • binutils:

    • updated to version 2.35.1

  • gcc:

    • Updated to version 10.2.0
    • Fix bug in libgcc builds w/regards to ARM cmse support

  • gdb:

    • Updated to version 9.2

  • xtensa:

    • remove HAL from SDK build

Zephyr SDK 0.11.4

  • General:

    • Fixed issue with cmake files not being installed in arch specific toolchan packages

  • newlib:

    • Fix setting of -DMISSING_SYSCALL_NAMES consistent on all builds
    • Set march=pentium for 32-bit x86 build

Zephyr SDK 0.11.3

  • General:

    • Added cmake package support to make it easier to find toolchain
    • Add a -[no]rc argument to install script to allow skipping update query for .zephyrrc

  • QEMU:

    • Add support for ARC
    • xilinx_qemu: Fix WFI instruction for icount mode
    • SPARC: fix issue with timer in QEMU machine AT697
    • Add support for changing CPU type in sifive_e machine.

  • GDB:

    • Added a gdb build that doesn't support python (TARGET-gdb-no-py)

      NOTE: The name of the gdb executable will change in the next major release. To maintain compatibility with previous 0.11.x we left the TARGET-gdb as the version that supports python. In 0.12.x we will change it such that TARGET-gdb will NOT support python and thus work everywhere and TARGET-gdb-py will be the version that supports python.

    • Changed python support to build against python3.8. This is an attempt to have the python support work on a larger number of distributions.

      NOTE: This may require install a python3.8 package on your system if python3.8 is not available. On fedora systems that can be accomplished by:

      sudo dnf install python38

      On ubuntu systems that can be accomplished by:

      sudo apt get install python3.8-dev

  • OpenOCD:

    • Pull in a fix for ARC SMP support

  • GCC:

    • Fix build issue with CRC32 intrinsics included from arm_acle.h on ARM compiler.

Zephyr SDK 0.11.2

  • Fixed issue with setjmp/longjmp not existing on x86 32-bit build

  • Fixed python support on GDB: NOTE: Since python support is enabled in GDB the host system needs python3.6 installed. Otherwise you might get an error like:

    arm-zephyr-eabi-gdb: error while loading shared libraries: libpython3.6m.so.1.0: cannot open shared object file: No such file or directory

    On newer fedora systems this can show up and be fixed by:

    sudo dnf install python36

  • Added support for Intel BDW and BDW Audio DSP xtensa toolchains.

  • Added support for NXP IMX8 and IMX8M Audio DSP xtensa toolchains.

  • Updated xtensa targets to GDB 8.3.1

  • Removed HAL from xtensa builds as HAL module should now be used.