syscall.sh / s390x / mknod

mknod

create a special or ordinary file

sys_mknod(const char *filename, umode_t mode, unsigned dev)
number14 (0xe)
abicommon
entry pointsys_mknod
sinceLinux 4.16
man pagemknod(2)
sourceelixir.bootlin.com

Registers

registervalue
r114, the syscall number
r2const char *filename
r3umode_t mode
r4unsigned dev
r2the return value

Then run svc 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/s390x/mknod