Current state of CONFIG_HAS_ARCH_SJLJ
[x] arm 32-bit (Ahmad)
[x] arm 64-bit (Sascha)
[x] mips (Sascha)
[x] powerpc (Sascha)
[x] riscv (Sascha)
[x] sandbox (Ahmad)
[-] nios2 (Removed; Sascha)
[x] x86 32-bit (Ahmad)
[x] x86 64-bit (Ahmad)
[x] openrisc (Stafford)
[x] kvx (Jules)
Legend: [-] arch removed, [x] implemented
Changes since v2:
- Reworked bthread_reschedule(): Threads now always schedule the next
thread in the runqueue. Simplifies code and saves context switch back
to scheduler
- Removed assert_command_context yield. Will need further rework until
it's usable, so just warn for now like with pollers
- Added resched() to collect the reschedule bits in one place
- Migrate LED poller as an example
- Rework bthread command to use API better
- Split up commits for shorter, reworked, commit messages
- Fixed poor English and copy-paste errors (Peter Korsgaard)
- Marked RISC-V and MIPS CONFIG_HAS_ARCH_SJLJ explicitly 32-bit only
(Peter Mamonov)
- Added x86 implementations (tested on EFI x86_64 and i386 sandbox)
Cheers,
Ahmad Fatoum (10):
common: introduce HAS_ARCH_SJLJ
ARM: asm: setjmp: annotate setjmp/longjmp for GCC
ARM: asm: setjmp: implement coroutine dependency initjmp()
sandbox: asm: implement setjmp/longjmp/initjmp
x86: implement setjmp/longjmp/initjmp
common: poller: replace explicit calls to poller_call() with resched()
console: unconditionally run resched() in ctrlc()
common: introduce bthreads, co-operative barebox threads
commands: add new bthread test command
RFC: led: migrate from poller to bthread
Sascha Hauer (6):
riscv: Add asm/asm.h
riscv: Add asm/linkage.h
riscv: Implement setjmp/longjmp/initjmp for RV32I
mips: Add linkage.h
mips: Implement setjmp/longjmp/initjmp for 32BIT
powerpc: Implement initjmp/setjmp/longjmp
Documentation/devel/background-execution.rst | 37 +++-
arch/arm/Kconfig | 1 +
arch/arm/include/asm/setjmp.h | 6 +-
arch/arm/lib32/setjmp.S | 8 +
arch/arm/lib64/setjmp.S | 9 +
arch/mips/Kconfig | 1 +
arch/mips/include/asm/linkage.h | 9 +
arch/mips/include/asm/setjmp.h | 32 +++
arch/mips/lib/Makefile | 1 +
arch/mips/lib/setjmp.S | 50 +++++
arch/powerpc/Kconfig | 1 +
arch/powerpc/include/asm/setjmp.h | 21 ++
arch/powerpc/lib/Makefile | 2 +-
arch/powerpc/lib/setjmp.S | 86 ++++++++
arch/riscv/Kconfig | 1 +
arch/riscv/include/asm/asm.h | 69 ++++++
arch/riscv/include/asm/linkage.h | 12 ++
arch/riscv/include/asm/setjmp.h | 27 +++
arch/riscv/lib/Makefile | 1 +
arch/riscv/lib/longjmp.S | 28 +++
arch/riscv/lib/setjmp.S | 35 +++
arch/sandbox/Kconfig | 1 +
arch/sandbox/Makefile | 5 +-
arch/sandbox/include/asm/setjmp.h | 17 ++
arch/sandbox/os/Makefile | 5 +-
arch/sandbox/os/setjmp.c | 180 ++++++++++++++++
arch/x86/Kconfig | 2 +
arch/x86/include/asm/setjmp.h | 44 ++++
arch/x86/lib/Makefile | 3 +
arch/x86/lib/setjmp_32.S | 60 ++++++
arch/x86/lib/setjmp_64.S | 60 ++++++
commands/Kconfig | 9 +
commands/Makefile | 1 +
commands/bthread.c | 195 +++++++++++++++++
common/Kconfig | 13 ++
common/Makefile | 1 +
common/bthread.c | 214 +++++++++++++++++++
common/clock.c | 4 +-
common/console.c | 6 +-
drivers/led/core.c | 52 ++---
include/bthread.h | 53 +++++
include/poller.h | 2 +
include/sched.h | 15 ++
include/slice.h | 17 +-
lib/readline.c | 4 +-
45 files changed, 1349 insertions(+), 51 deletions(-)
create mode 100644 arch/mips/include/asm/linkage.h
create mode 100644 arch/mips/include/asm/setjmp.h
create mode 100644 arch/mips/lib/setjmp.S
create mode 100644 arch/powerpc/include/asm/setjmp.h
create mode 100644 arch/powerpc/lib/setjmp.S
create mode 100644 arch/riscv/include/asm/asm.h
create mode 100644 arch/riscv/include/asm/linkage.h
create mode 100644 arch/riscv/include/asm/setjmp.h
create mode 100644 arch/riscv/lib/longjmp.S
create mode 100644 arch/riscv/lib/setjmp.S
create mode 100644 arch/sandbox/include/asm/setjmp.h
create mode 100644 arch/sandbox/os/setjmp.c
create mode 100644 arch/x86/include/asm/setjmp.h
create mode 100644 arch/x86/lib/setjmp_32.S
create mode 100644 arch/x86/lib/setjmp_64.S
create mode 100644 commands/bthread.c
create mode 100644 common/bthread.c
create mode 100644 include/bthread.h
create mode 100644 include/sched.h
--
2.29.2
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