futex on cris

fast user-space locking

sys_futex(u32 *uaddr, int op, u32 val, struct timespec *utime, u32 *uaddr2, u32 val3)
number240 (0xf0)
abicommon
entry pointsys_futex
sinceLinux 3.3 or earlier (3.3 is the first release scanned for cris)
man pagefutex(2)
sourceelixir.bootlin.com

Registers

registervalue
r9240, the syscall number
r10u32 *uaddr
r11int op
r12u32 val
r13struct timespec *utime
mofu32 *uaddr2
srpu32 val3
r10the return value

Then run break 13 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/cris/futex?kernel=all