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SubjectRe: [PATCH v5 0/3] m68k: system call table generation support
On Tue, Nov 13, 2018 at 7:01 AM Firoz Khan <firoz.khan@linaro.org> wrote:
> The purpose of this patch series is, we can easily
> add/modify/delete system call table support by cha-
> nging entry in syscall.tbl file instead of manually
> changing many files. The other goal is to unify the
> system call table generation support implementation
> across all the architectures.
>
> The system call tables are in different format in
> all architecture. It will be difficult to manually
> add, modify or delete the system calls in the resp-
> ective files manually. To make it easy by keeping a
> script and which'll generate uapi header file and
> syscall table file.
>
> syscall.tbl contains the list of available system
> calls along with system call number and correspond-
> ing entry point. Add a new system call in this arch-
> itecture will be possible by adding new entry in the
> syscall.tbl file.
>
> Adding a new table entry consisting of:
> - System call number.
> - ABI.
> - System call name.
> - Entry point name.
>
> ARM, s390 and x86 architecuture does exist the sim-
> ilar support. I leverage their implementation to
> come up with a generic solution.
>
> I have done the same support for work for alpha, ia64,
> microblaze, mips, parisc, powerpc, sh, sparc and xtensa.
> Below mentioned git repository contains more details
> about the workflow.
>
> https://github.com/frzkhn/system_call_table_generator/
>
> Finally, this is the ground work to solve the Y2038
> issue. We need to add two dozen of system calls to
> solve Y2038 issue. So this patch series will help to
> add new system calls easily by adding new entry in
> the syscall.tbl.
>
> changes since v4:
> - changed from generic-y to generated-y in Kbuild.
> - remove the patch "0001-m68k-rename-system-call-
> table-file-name.patch".
>
> changes since v3:
> - optimized/updated the syscall table generation
> scripts.
> - fixed all mixed indentation issues in syscall.tbl.
> - added "comments" in syscall_*.tbl.
>
> changes since v2:
> - removed __IGNORE entries which was added in v2
> to suppress the warning.
> - added missing new line.
>
> changes since v1:
> - enclosed __NR_sycalls macro with __KERNEL__.
>
> Firoz Khan (3):
> m68k: add __NR_syscalls along with NR_syscalls
> m68k: add system call table generation support
> m68k: generate uapi header and syscall table header files
>
> arch/m68k/Makefile | 3 +
> arch/m68k/include/asm/Kbuild | 1 +
> arch/m68k/include/asm/unistd.h | 3 +-
> arch/m68k/include/uapi/asm/Kbuild | 1 +
> arch/m68k/include/uapi/asm/unistd.h | 385 +------------------------------
> arch/m68k/kernel/syscalls/Makefile | 38 ++++
> arch/m68k/kernel/syscalls/syscall.tbl | 389 ++++++++++++++++++++++++++++++++
> arch/m68k/kernel/syscalls/syscallhdr.sh | 36 +++
> arch/m68k/kernel/syscalls/syscalltbl.sh | 32 +++
> arch/m68k/kernel/syscalltable.S | 387 +------------------------------
> 10 files changed, 507 insertions(+), 768 deletions(-)
> create mode 100644 arch/m68k/kernel/syscalls/Makefile
> create mode 100644 arch/m68k/kernel/syscalls/syscall.tbl
> create mode 100644 arch/m68k/kernel/syscalls/syscallhdr.sh
> create mode 100644 arch/m68k/kernel/syscalls/syscalltbl.sh

Thanks, applied and queued for v4.21 (with the missing newline added).

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds

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