Miosix Toolchain: Difference between revisions

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== Latest version of the Miosix Toolchain ==
== Information on the Miosix Toolchain ==
 
The Miosix Toolchain is a patched version of the [https://gcc.gnu.org GCC] compiler, [https://www.sourceware.org/newlib Newlib] C library, and libstdc++ library. The [https://github.com/fedetft/miosix-kernel/tree/master/miosix/_tools/compiler patches] to the compiler and standard libraries are required to:
 
* Provide thread safety. Cooperation between the compiler and kernel is needed to make certain C/C++ standard library functions and certain C++ language constructs thread safe. For example throwing C++ exception, constructors of static objects, accessing the same FILE * handle from more threads. This cannot be done by the kernel alone and is the primary motivation for the patches.
* Improved speed of the pthread and C++11 thread APIs. For example, by modifying Newlib so that pthread_mutex_t is not a generic opaque pointer but the real struct containing the mutex implementation, a 7x speedup can be achieved for mutexes.
* Code size and RAM requirement reductions, such as reducing the size of large buffers found in the C stdio library.


Released '''08/06/2014'''. This version adds ''sys/ioctl.h'' and ''sys/termios.h'' to the C library. It is a mandatory release, newer kernels won't build with previous compiler. There are no bug fixes.
Some of the patches have been contributed upstream, but to date compiling Miosix still requires patches. Patches are updated from time to time, and users are required to upgrade to the latest version of the compiler when necessary. The build system will warn you when it's time to upgrade the compiler.


_MIOSIX_GCC_PATCH_VERSION is set to 1 in this release.


You can download it here
== Latest Stable version of the Miosix Toolchain ==
* [https://miosix.org/toolchain/MiosixToolchainInstaller.run Miosix Toolchain Linux] (sha1sum 6952ce2106e5a6f830a250b9b384e8dba0fe4100) This is self-installing shell script, run it with  
 
Released '''July 29th, 2024'''. This version:
* speed improvements in newlib ''fread'' function (up to 70% faster)
* support for more architectures (Cortex-M0+ and Cortex-M4 variant without FPU)
* GCC kept at version 9.2.0
 
_MIOSIX_GCC_PATCH_MAJOR is set to 3, and _MIOSIX_GCC_PATCH_MINOR is set to '''2''' in this release.
 
* [https://miosix.org/toolchain/MiosixToolchainInstaller9.2.0mp3.2.run Miosix Toolchain Linux] (sha256sum d71fdac28a6fc4a4c0b41e90fb46c3722805b04e1ddb355d0da2f1b67e50ef3e) This is self-installing shell script, run it with  
<source lang="bash">sh MiosixToolchainInstaller.run</source>
<source lang="bash">sh MiosixToolchainInstaller.run</source>
* [https://miosix.org/toolchain/MiosixToolchainInstaller.exe Miosix Toolchain Windows] (sha1sum 9750cef4593c5eb5df8fc497cdd888d33f1e006d) This is a self-installing .exe
* [https://miosix.org/toolchain/MiosixToolchainInstaller9.2.0mp3.2.exe Miosix Toolchain Windows] (sha256sum 4182788ccb27e42cd56afe65c7146c601aadcab0b758c9882e4a3cf394c6f622) This is a self-installing .exe
Both versions will automatically detect a previous version of the compiler and uninstall it, unless you are on Linux and you have installed the toolchain from sources. In such a case you should uninstall it manually using the ''uninstall.sh'' file in the ''miosix/_tools/compiler'' directory of the kernel git repository.
* [https://miosix.org/toolchain/MiosixToolchainInstaller9.2.0mp3.2_Intel.pkg Miosix Toolchain Mac OS (Intel)] (sha256sum 5420a4fdb7aee9337350a77bde4820d983d41c7e193cc7bc90612a58287c6010) Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (Intel).
* [https://miosix.org/toolchain/MiosixToolchainInstaller9.2.0mp3.2_ARM.pkg Miosix Toolchain Mac OS (ARM)] (sha256sum dca08d3aff33b06b5b848ca07d5f7d95a17a8ae0bde53f0a6e8fca4f181d4f16) Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (ARM).


== Previous version of the Miosix Toolchain ==
== Old Stable version of the Miosix Toolchain ==


Released '''06/04/2014.''' This is the first version of the Miosix Toolchain available as a binary self-installing package.
Released '''August 12th, 2020'''. This version:
* upgrades GCC to 9.2.0
* supports the C++11 thread API in Miosix (before only the POSIX one was supported)
* supports C++14
* reduces code size of printf-related functions
* provides many improvements and bug fixes to Miosix userspace processes
* provides more comprehensive atomic operation support through GCC's libatomic


_MIOSIX_GCC_PATCH_VERSION is not defined in this release.
_MIOSIX_GCC_PATCH_MAJOR is set to 3, and _MIOSIX_GCC_PATCH_MINOR is set to 1 in this release.


You can download it here
You can download it here
* [https://miosix.org/toolchain/v0/MiosixToolchainInstaller.run Miosix Toolchain Linux] (sha1sum 359878b78f2c462f0ce1d207b837d2313968b443) This is self-installing shell script.
* [https://miosix.org/toolchain/MiosixToolchainInstaller.run Miosix Toolchain Linux] (sha256sum 2b3b1d69a767d1bd3f8d8d21372fabc109b6be39d6524003f8324dce931a1267) This is self-installing shell script, run it with
* [https://miosix.org/toolchain/v0/MiosixToolchainInstaller.exe Miosix Toolchain Windows] (sha1sum a62cb3fa628f6ca47f1c8e248c0cf24d41bc28aa) This is a self-installing .exe
<source lang="bash">sh MiosixToolchainInstaller.run</source>
* [https://miosix.org/toolchain/MiosixToolchainInstaller.exe Miosix Toolchain Windows] (sha256sum 490c14f6fe53f5473c6e9c6af377f3890254cc72c6a34703d9c77d34b8644d41) This is a self-installing .exe
Updated July 5th, 2023 (fix GDB breakpoints not working due to missing expat). Contributed by Daniele Cattaneo.
* [https://miosix.org/toolchain/MiosixToolchainInstaller.pkg Miosix Toolchain Mac OS (Intel)] (sha256sum 94aad9dd5988810f535ad4f096ec47948a979a3c345d351d27623e01eed23532)
Updated February 9th, 2023 (fix GDB not working). Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (Intel).
* [https://miosix.org/toolchain/MiosixToolchainInstaller-arm64.pkg Miosix Toolchain Mac OS (ARM)] (sha256sum 691658db2c146d5f2981724c5799f1a22474bd6d7352367e48d58a495a63c883)
Updated July 9th, 2023. Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (ARM).


== Information on the Miosix Toolchain ==
Installers will automatically detect a previous version of the compiler and uninstall it.


The Miosix Toolchain is a specially patched version of the [https://gcc.gnu.org GCC] compiler, [https://www.sourceware.org/newlib Newlib] C library, and libstdc++ library. The patches to the compiler and standard libraries are required to:
== Previous version of the Miosix Toolchain ==


* Provide thread safety of the C and C++ libraries. A lot of potential race conditions that occur when GCC is built for an embedded platform (i.e: not to produce binaries for a mainstream OS such as Linux or Windows where thread safety issues are already dealt with) have been fixed, for exemple throwing C++ exception from more threads at the same time is now thread safe, constructors of static objects are now thread safe, accessing the same FILE * handle from more threads is now thread safe... This cannot be done by the compiler alone, nor by the kernel alone, cooperation of the two is required, and this is the number one reason for having patches.
Released '''June 8th, 2014'''. This version provides GCC 4.7.3.
* Improved speed of the pthread API. For example, pthread_mutex_t is no longer an opaque pointer type but the real struct containing the mutex implementation. This results in a 7x speed increase with respect to the previous pthread_mutex code.
* Some more code size and RAM requirement reductions, such as the redefinition of BUFSIZ from 1024 to 256 bytes which reduces the RAM used by the C stdio library.


Some of the patches, mainly those that increase performance and reduce code size in Newlib have also been contributed upstream, but to date compiling Miosix still requires patches.
_MIOSIX_GCC_PATCH_VERSION is set to 1 in this release.
 
In previous versions of the kernel, the user was required to download the compiler sources, patch it and compile it. Even though this was automated through a simple script, it took a long time to build the compiler, especially for older machines, and it was cumbersome to say the least to do it on Windows. Starting from Miosix 2.0, the compiler is also distributed as a self-installing precompiled package, for both Linux and Windows.


Also, due to the effort to achieve more POSIX compliance in Miosix 2.0, the compiler patches are updated from time to time, and users are required to upgrade to the latest version of the compiler when necessary.
No longer supported, if you need it you will have to rebuild this toolchain from sources.


[[Category:Installation and Configuration]]
[[Category:Installation and Configuration]]

Latest revision as of 21:44, 15 September 2024

Information on the Miosix Toolchain

The Miosix Toolchain is a patched version of the GCC compiler, Newlib C library, and libstdc++ library. The patches to the compiler and standard libraries are required to:

  • Provide thread safety. Cooperation between the compiler and kernel is needed to make certain C/C++ standard library functions and certain C++ language constructs thread safe. For example throwing C++ exception, constructors of static objects, accessing the same FILE * handle from more threads. This cannot be done by the kernel alone and is the primary motivation for the patches.
  • Improved speed of the pthread and C++11 thread APIs. For example, by modifying Newlib so that pthread_mutex_t is not a generic opaque pointer but the real struct containing the mutex implementation, a 7x speedup can be achieved for mutexes.
  • Code size and RAM requirement reductions, such as reducing the size of large buffers found in the C stdio library.

Some of the patches have been contributed upstream, but to date compiling Miosix still requires patches. Patches are updated from time to time, and users are required to upgrade to the latest version of the compiler when necessary. The build system will warn you when it's time to upgrade the compiler.


Latest Stable version of the Miosix Toolchain

Released July 29th, 2024. This version:

  • speed improvements in newlib fread function (up to 70% faster)
  • support for more architectures (Cortex-M0+ and Cortex-M4 variant without FPU)
  • GCC kept at version 9.2.0

_MIOSIX_GCC_PATCH_MAJOR is set to 3, and _MIOSIX_GCC_PATCH_MINOR is set to 2 in this release.

  • Miosix Toolchain Linux (sha256sum d71fdac28a6fc4a4c0b41e90fb46c3722805b04e1ddb355d0da2f1b67e50ef3e) This is self-installing shell script, run it with
sh MiosixToolchainInstaller.run
  • Miosix Toolchain Windows (sha256sum 4182788ccb27e42cd56afe65c7146c601aadcab0b758c9882e4a3cf394c6f622) This is a self-installing .exe
  • Miosix Toolchain Mac OS (Intel) (sha256sum 5420a4fdb7aee9337350a77bde4820d983d41c7e193cc7bc90612a58287c6010) Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (Intel).
  • Miosix Toolchain Mac OS (ARM) (sha256sum dca08d3aff33b06b5b848ca07d5f7d95a17a8ae0bde53f0a6e8fca4f181d4f16) Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (ARM).

Old Stable version of the Miosix Toolchain

Released August 12th, 2020. This version:

  • upgrades GCC to 9.2.0
  • supports the C++11 thread API in Miosix (before only the POSIX one was supported)
  • supports C++14
  • reduces code size of printf-related functions
  • provides many improvements and bug fixes to Miosix userspace processes
  • provides more comprehensive atomic operation support through GCC's libatomic

_MIOSIX_GCC_PATCH_MAJOR is set to 3, and _MIOSIX_GCC_PATCH_MINOR is set to 1 in this release.

You can download it here

  • Miosix Toolchain Linux (sha256sum 2b3b1d69a767d1bd3f8d8d21372fabc109b6be39d6524003f8324dce931a1267) This is self-installing shell script, run it with
sh MiosixToolchainInstaller.run
  • Miosix Toolchain Windows (sha256sum 490c14f6fe53f5473c6e9c6af377f3890254cc72c6a34703d9c77d34b8644d41) This is a self-installing .exe

Updated July 5th, 2023 (fix GDB breakpoints not working due to missing expat). Contributed by Daniele Cattaneo.

Updated February 9th, 2023 (fix GDB not working). Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (Intel).

Updated July 9th, 2023. Contributed by Daniele Cattaneo, it is a release build of the Miosix toolchain for Mac OS (ARM).

Installers will automatically detect a previous version of the compiler and uninstall it.

Previous version of the Miosix Toolchain

Released June 8th, 2014. This version provides GCC 4.7.3.

_MIOSIX_GCC_PATCH_VERSION is set to 1 in this release.

No longer supported, if you need it you will have to rebuild this toolchain from sources.

Retrieved from "https://miosix.org/wiki/index.php?title=Miosix_Toolchain&oldid=349"