futex on mn10300

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 mn10300)
man pagefutex(2)
sourceelixir.bootlin.com

Registers

registervalue
d0240, the syscall number
a0u32 *uaddr
d1int op
a3u32 val
a2struct timespec *utime
d3u32 *uaddr2
d2u32 val3
d0the return value

Then run syscall 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/mn10300/futex?kernel=all