https://github.com/espressif/esp-xtensaconfig-lib

GCC/binutils/GDB plugin for run-time loading of Xtensa CPU configuration
https://github.com/espressif/esp-xtensaconfig-lib

Last synced: 2 days ago
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GCC/binutils/GDB plugin for run-time loading of Xtensa CPU configuration

• Host: GitHub
• URL: https://github.com/espressif/esp-xtensaconfig-lib
• Owner: espressif
• License: gpl-3.0
• Fork: true (jcmvbkbc/xtensa-dynconfig)
• Created: 2022-08-02T16:19:50.000Z (about 2 years ago)
• Default Branch: based_on_gdb-12
• Last Pushed: 2023-10-23T19:19:14.000Z (11 months ago)
• Last Synced: 2024-09-18T16:00:06.221Z (8 days ago)
• Language: C
• Size: 139 KB
• Stars: 1
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README
  • License: COPYING

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README

        
This GCC/binutils/GDB plugin configures xtensa GCC, binutils and GDB for the

specific xtensa CPU. It will only load into GCC, binutils and GDB versions

that support such dynamic configuration. Without this plugin GCC and binutils

will produce code for the default xtensa core: the FSF one, or for the core

configured with the xtensa configuration overlay.

Building:

Fetch submodules

  git submodule update --init

Run to build libraries for all available configurations

  make lib

in the current directory.

The following parts of the toolchain still need to be configured statically:

- target gdbserver needs proper include/xtensa-config.h

  gdb/gdbserver/xtensa-config.c and gdb/gdbserver/xtensa-xtregs.c in the

  binutils-gdb.

Note:

the GCC Runtime Library Exception

(https://www.gnu.org/licenses/gcc-exception-3.1.en.html) has rules that apply

here. If you want to distribute the binary produced by GCC using this plugin,

the plugin code (including the xtensa configuration overlay) must be available

under a GPL-compatible license. The people to whom you distribute the binary

produced by GCC must be able to themselves build the plugin used to create

the binary.