ioctl on frv

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 frv)
man pageioctl(2)
sourceelixir.bootlin.com

Registers

registervalue
gr754, the syscall number
gr8unsigned int fd
gr9unsigned int cmd
gr10unsigned long arg
gr8the return value

Then run tira gr0, 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/frv/ioctl?kernel=all