On Tue, Nov 13, 2018 at 7:01 AM Firoz Khan <firoz.khan@xxxxxxxxxx> 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@xxxxxxxxxxxxxx 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
