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Travis Geiselbrecht ebdc1ea077 [lib][libcpp] move c++ specific shims out of libc and heap 
Consolidate into a single library. Also renames legacy new.h to
the more standard new.

Possible that some C++ code will need to get this added to their
MODULE_DEPS.
2021-04-02 19:28:58 -07:00
.github/workflows
[target][pico][ci] add pico-test to the build matrix
2021-02-15 21:07:00 -08:00
app
[app][mdebug] version 1.0
2021-02-01 17:46:33 -08:00
arch
[arch][riscv] spiff up the spinlock code a bit
2021-03-30 02:48:59 -07:00
dev
[arch][openrisc] fix up and get the OpenRISC port working again
2020-10-21 02:34:50 -07:00
external
[external][pico] import source from rpi pico sdk
2021-02-15 21:06:05 -08:00
kernel
[kernel][mutex] tweak a mutex routine to take a const
2021-04-02 19:28:58 -07:00
lib
[lib][libcpp] move c++ specific shims out of libc and heap
2021-04-02 19:28:58 -07:00
make
[make] encode the source file extension into the .o file
2021-01-14 18:43:18 -08:00
platform
[arch] have each arch define ARCH_HAS_MMU
2021-03-30 02:48:59 -07:00
project
[arch][test] add a new unittest for the arch mmu code
2021-03-30 02:48:59 -07:00
scripts
[github][actions] Add a new action to build LK, replacing travis-ci
2021-02-14 20:23:39 -08:00
target
[target][pico] switch the uart config to target driven
2021-02-15 21:06:05 -08:00
tools
[python] fix a few of the python tools to be python 2 and 3 compatible
2020-03-08 16:39:15 -07:00
top
[inc][compiler] update compiler.h with new bits from zircon
2021-04-02 19:28:58 -07:00
.gitignore
[qemu][cortex-m4] Support qemu-m4 target.
2015-12-07 12:27:29 -08:00
engine.mk
[make] print debug level on build
2021-02-14 20:08:35 -08:00
LICENSE
[LICENSE] Happy New Year :)
2015-01-29 20:38:19 -08:00
lk_inc.mk.example
[make] add a example lk_inc.mk file
2015-09-02 11:36:35 -07:00
makefile
[make] don't call build engine multiple times.
2016-09-30 10:41:23 -07:00
README.md
[readme] fix url
2016-05-01 23:36:17 -07:00

README.md

LK

The LK embedded kernel. An SMP-aware kernel designed for small systems.

See https://github.com/littlekernel/lk for the latest version.

See https://github.com/littlekernel/lk/wiki for documentation.

Builds

Build Status

To build and test for ARM on linux

  1. install or build qemu. v2.4 and above is recommended.
  2. install gcc for embedded arm (see note 1)
  3. run scripts/do-qemuarm (from the lk directory)
  4. you should see 'welcome to lk/MP'

This will get you a interactive prompt into LK which is running in qemu arm machine 'virt' emulation. type 'help' for commands.

note 1: for ubuntu: sudo apt-get install gcc-arm-none-eabi or fetch a prebuilt toolchain from http://newos.org/toolchains/arm-eabi-5.3.0-Linux-x86_64.tar.xz

Description
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Readme MIT 39 MiB
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C 80.6%
C++ 10.8%
Assembly 3.6%
Makefile 3.4%
Python 1%
Other 0.6%