getcpu on m32r

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

sys_getcpu(unsigned *cpup, unsigned *nodep, struct getcpu_cache *unused)
number318 (0x13e)
abicommon
entry pointsys_getcpu
sinceLinux 3.3 or earlier (3.3 is the first release scanned for m32r)
man pagegetcpu(2)
sourceelixir.bootlin.com

Registers

registervalue
r7318, the syscall number
r0unsigned *cpup
r1unsigned *nodep
r2struct getcpu_cache *unused
r0the return value

Then run trap #2 to enter the kernel.

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/m32r/getcpu?kernel=all