22d676ac0f99c5a4e8e0eab72d0cea13245c5359
Split LK_INIT_FLAG_CPU_SUSPEND and LK_INIT_FLAG_CPU_RESUME into LK_INIT_FLAG_CPU_ENTER_IDLE/LK_INIT_FLAG_CPU_OFF and LK_INIT_FLAG_CPU_EXIT_IDLE/LK_INIT_FLAG_CPU_ON. Change-Id: I894ea945c31a17f0ab4b62c44a27203067b2f700
The Little Kernel Embedded Operating System
The LK kernel is an SMP-aware kernel designed for small systems ported to a variety of platforms and cpu architectures.
It is used in a variety of open source and closed source projects, notably the bootloader for a lot of Android phones of various make.
See https://github.com/littlekernel/lk for the latest version.
For comprehensive documentation, see Index.
High Level Features
- Fully-reentrant multi-threaded preemptive kernel
- Portable to many 32 and 64 bit architectures
- Support for wide variety of embedded and larger platforms
- Powerful modular build system
- Large number of utility components selectable at build time
Supported architectures
- ARM32
- Cortex-M class cores (armv6m - armv8m)
- ARMv7+ Cortex-A class cores
- ARM64
- ARMv8 and ARMv9 cores
- RISC-V 32 and 64bit bit in machine and supervisor mode
- x86-32 and x86-64
- Motorola 68000
- Microblaze
- MIPS
- OpenRISC 1000
- VAX (experimental)
Languages
C
80.6%
C++
10.8%
Assembly
3.6%
Makefile
3.4%
Python
1%
Other
0.6%