On Fri, 18 Apr 2025 16:09:28 +0200, Jerome Forissier wrote:
> This series introduces threads and uses them to improve the performance
> of the USB bus scanning code and to implement background jobs in the
> shell via two new commands: 'spawn' and 'wait'.
>
> The threading framework is called 'uthread' and is inspired from the
> barebox threads [2]. setjmp() and longjmp() are used to save and
> restore contexts, as well as a non-standard extension called initjmp().
> This new function is added in several patches, one for each
> architecture that supports HAVE_SETJMP. A new symbol is defined:
> HAVE_INITJMP. Two tests, one for initjmp() and one for the uthread
> scheduling, are added to the lib suite.
>
> [...]
Applied to u-boot/master, thanks!
[01/17] arch: introduce initjmp() and Kconfig symbol HAVE_INITJMP
commit: 1c8e166fb5eb5c58b79a09e80660a7ebfc7c94fa
[02/17] arm: add initjmp()
commit: 0245d2ab7d08cd360d44f131b20aa817799a4394
[03/17] riscv: add initjmp()
commit: 3691328ef69555148962654e7f834fd0b5273fcb
[04/17] sandbox: add initjmp()
commit: a27844cc9443341ffe1314ccc4c384a54ad1ae32
[05/17] test: lib: add initjmp() test
commit: b989f9ed9fe13be2cb168d2d45c235f011104f38
[06/17] uthread: add cooperative multi-tasking interface
commit: f9384796179abcc7e5796815c79b2137f5f83b12
[07/17] uthread: add uthread_mutex
commit: b01735b448bfdd39bb0b0f8f28db149d8a088e55
[08/17] cyclic: invoke uthread_schedule() from schedule()
commit: e831370af5102d8059d4f20d3317e2c39565e9af
[09/17] lib: time: hook uthread_schedule() into udelay()
commit: 2325621fff219ee3b80641f714545f8b33013c0c
[10/17] test: lib: add uthread test
commit: 67b1b1ae197f6ab12e2bcf7ab0b995f671779745
[11/17] test: lib: add uthread_mutex test
commit: dbb22f541a0a34d0e5889a03db180414aac90f9f
[12/17] dm: usb: move bus initialization into new static function usb_init_bus()
commit: 4634346e3eb8f3f4ea0505f4f0a14182b2ad60f3
[13/17] dm: usb: initialize and scan multiple buses simultaneously with uthread
commit: 1c0f6999b5589315201ebb5aa659eb6658079b8e
[14/17] cmd: add spawn and wait commands
commit: ec89a4f7a3cbdfe601a45c110b375e925190f095
[15/17] test: cmd: add test for spawn and wait commands
commit: 82bbd95fa92e4f3d75c9dbced3e1b07b11241e48
[16/17] MAINTAINERS: add UTHREAD
commit: 10536ca4f6eb7cb8968001142b2598e03f72f723
[17/17] configs: qemu: enable UTHREAD and CMD_SPAWN in various defconfigs
commit: 1717f46a1da7f15e749405da2178944c3a76fac0
--
Tom
