On 14.11.2018 07:34, Firoz Khan 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, > m68k, microblaze, mips, 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 v6: > - changed from generic-y to generated-y in Kbuild. > > changes since v5: > - optimized/updated the syscall table generation > scripts. > - fixed all mixed indentation issues in syscall.tbl. > - added "comments" in syscall_*.tbl. > > changes since v4: > - optimized/updated the syscall table generation > scripts. > - removed __IGNORE entries which was added in v2 > to suppress the warning. > > changes since v3: > - optimized/updated the syscall table generation > scripts. > - added missing new line. > > changes since v2: > - updated the syscall.tbl file by including missed > entries. > > changes since v1: > - enclosed __NR_sycalls macro with __KERNEL__. > > Firoz Khan (5): > parisc: move __IGNORE* entries to non uapi header > parisc: add __NR_syscalls along with __NR_Linux_syscalls > parisc: add system call table generation support > parisc: generate uapi header and system call table files > parisc: syscalls: ignore nfsservctl for other architectures Firoz, you may add Acked-by: Helge Deller <deller@xxxxxx> to the whole parisc series. Thanks! Helge > arch/parisc/Makefile | 3 + > arch/parisc/include/asm/Kbuild | 3 + > arch/parisc/include/asm/unistd.h | 8 + > arch/parisc/include/uapi/asm/Kbuild | 2 + > arch/parisc/include/uapi/asm/unistd.h | 382 +------------------------ > arch/parisc/kernel/syscall.S | 11 +- > arch/parisc/kernel/syscall_table.S | 459 ------------------------------ > arch/parisc/kernel/syscalls/Makefile | 57 ++++ > arch/parisc/kernel/syscalls/syscall.tbl | 369 ++++++++++++++++++++++++ > arch/parisc/kernel/syscalls/syscallhdr.sh | 36 +++ > arch/parisc/kernel/syscalls/syscalltbl.sh | 36 +++ > scripts/checksyscalls.sh | 1 + > 12 files changed, 531 insertions(+), 836 deletions(-) > delete mode 100644 arch/parisc/kernel/syscall_table.S > create mode 100644 arch/parisc/kernel/syscalls/Makefile > create mode 100644 arch/parisc/kernel/syscalls/syscall.tbl > create mode 100644 arch/parisc/kernel/syscalls/syscallhdr.sh > create mode 100644 arch/parisc/kernel/syscalls/syscalltbl.sh >
