Hi, On 26. 10. 18 7:09, Firoz Khan wrote: > The purpose of this patch series is, we can easily add/modify/delete > system call table support by changing 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 respective 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 corresponding entry point. Add a new system > call in this architecture 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 similar support. I > leverage their implementation to come up with a generic solution. > > I have done the same support for work for alpha, ia64, m68k, mips, > parisc, powerpc, sh, sparc, and xtensa. Below mentioned git repos- > itory contains more details. > Git repo:- 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. > > Firoz Khan (3): > microblaze: move __NR_syscalls macro from asm/unistd.h > microblaze: add system call table generation support > microblaze: generate uapi header and system call table files > > arch/microblaze/Makefile | 3 + > arch/microblaze/include/asm/Kbuild | 1 + > arch/microblaze/include/asm/unistd.h | 2 - > arch/microblaze/include/uapi/asm/Kbuild | 1 + > arch/microblaze/include/uapi/asm/unistd.h | 407 +------------------------ > arch/microblaze/kernel/syscall_table.S | 406 +------------------------ > arch/microblaze/kernel/syscalls/Makefile | 38 +++ > arch/microblaze/kernel/syscalls/syscall.tbl | 410 ++++++++++++++++++++++++++ > arch/microblaze/kernel/syscalls/syscallhdr.sh | 36 +++ > arch/microblaze/kernel/syscalls/syscalltbl.sh | 32 ++ > 10 files changed, 526 insertions(+), 810 deletions(-) > create mode 100644 arch/microblaze/kernel/syscalls/Makefile > create mode 100644 arch/microblaze/kernel/syscalls/syscall.tbl > create mode 100644 arch/microblaze/kernel/syscalls/syscallhdr.sh > create mode 100644 arch/microblaze/kernel/syscalls/syscalltbl.sh > where is the changelog? Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP SoCs
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