io_setup on metag

create an asynchronous I/O context

sys_io_setup(unsigned nr_events, aio_context_t *ctxp)
number0 (0x0)
abicommon
kconfigCONFIG_AIO
familyaio see the whole family on metag
entry pointsys_io_setup
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pageio_setup(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re00, the syscall number
D1Ar1unsigned nr_events
D0Ar2aio_context_t *ctxp
D0Re0the return value

Then run SWITCH #0x440001 to enter the kernel.

Values wider than one register are packed into consecutive arguments.

This architecture was removed from the Linux kernel in Linux 4.17. The newest release with a syscall table here is Linux 4.16. The other removed architectures live on the historical architectures page.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/metag/io_setup?kernel=all