getcpu on metag

determine CPU and NUMA node on which the calling thread is running

sys_getcpu(unsigned *cpup, unsigned *nodep, struct getcpu_cache *unused)
number168 (0xa8)
abicommon
entry pointsys_getcpu
sinceLinux 3.9 or earlier (3.9 is the first release scanned for metag)
man pagegetcpu(2)
sourceelixir.bootlin.com

Registers

registervalue
D1Re0168, the syscall number
D1Ar1unsigned *cpup
D0Ar2unsigned *nodep
D1Ar3struct getcpu_cache *unused
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/getcpu?kernel=all