ioctl on blackfin

control device

sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
number54 (0x36)
abicommon
entry pointsys_ioctl
sinceLinux 3.3 or earlier (3.3 is the first release scanned for blackfin)
man pageioctl(2)
sourceelixir.bootlin.com

Registers

registervalue
P054, the syscall number
R0unsigned int fd
R1unsigned int cmd
R2unsigned long arg
R0the return value

Then run excpt 0 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/blackfin/ioctl?kernel=all