syscall.sh / csky / ioctl

ioctl

control device

sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
number29 (0x1d)
abicommon
entry pointsys_ioctl
sinceLinux 4.20
man pageioctl(2)
sourceelixir.bootlin.com

Registers

registervalue
r729, the syscall number
a0unsigned int fd
a1unsigned int cmd
a2unsigned long arg
a0the return value

Then run trap 0 to enter the kernel.

Same syscall on other architectures

Get this as JSON: https://api.syscall.sh/v2/syscalls/csky/ioctl