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sdk-ng/release-notes.md

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Notes / Changes in various releases

Zephyr SDK 0.15.0-rc2

  • binutils:

    • Fixed various ARC architecture issues.

  • gcc:

    • Fixed incorrect ARC enter pattern instruction offset.

  • qemu:

    • Updated ARC QEMU to 2022.08.04 release.

Zephyr SDK 0.15.0-rc1

  • gcc:

    • Fixed "undefined reference to getentropy" error when using std::random_device.

  • newlib:

    • Disabled C99 format specifier support for the newlib "nano" variant in order to reduce its footprint. This feature will be kept disabled until the picolibc gains wider adoption.

Zephyr SDK 0.15.0-beta2

  • general:

    • Added ARCv3 support to the toolchains.

  • binutils:

    • Updated to Binutils 2.38 release.

  • gcc:

    • Updated to GCC 12.1 release.
    • Added multi-libs for the RISC-V base instruction sets (rv32i, rv32e, rv64i) to increase the ISA extension configuration coverage.
    • Added multi-libs for the RISC-V bit manipulation (Bitmanip) extensions.

  • gdb:

    • Updated to GDB 12.1 release.
    • Added separate GDB executable, gdb-py, supporting Python scripting and made the default GDB executable, gdb, build without Python scripting support such that it does not depend on a specific version of libpython.
    • Removed Python incapable GDB executable, gdb-no-py, which is no longer needed because it is equivalent to the default GDB executable.
    • Disabled unneeded "mini debuginfo" support for the macOS GDB in order to remove liblzma dependency.
    • Added GDB build for ARC64 architecture.

  • newlib:

    • Added ARCv3 support.

  • qemu:

    • Updated to QEMU 7.0 release.

  • openocd:

    • Updated OpenOCD to the commit 480d4e17727864f75dc60e22cb1a42e022cb1db3 (the latest version as of 11 June 2022).

Zephyr SDK 0.14.2

  • general:

    • Fixed minimal distribution bundle toolchain download failure on M1 Macs.

  • gcc:

    • Fixed incorrect newlib-nano include path specified by the nano.specs file.

  • newlib:

    • Enabled C99 format specifier support for the newlib-nano, which only had format specifier support up to that of the C89 standard.

  • qemu:

    • Updated ARC QEMU to 2022.04.26 relesae.

  • openocd:

    • Fixed Cyclone V SoC JTAG device order.

Zephyr SDK 0.14.1

  • 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:

    • Fixed Xtensa malloc failure issue reported in zephyrproject-rtos/zephyr#38258.

  • 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.