syscall.sh / arm64 / futex_wait

futex_wait

sys_futex_wait(void *uaddr, unsigned long val, unsigned long mask, unsigned int flags, struct __kernel_timespec *timespec, clockid_t clockid)

register	value
`x8`	455, the syscall number
`x0`	void *uaddr
`x1`	unsigned long val
`x2`	unsigned long mask
`x3`	unsigned int flags
`x4`	struct __kernel_timespec *timespec
`x5`	clockid_t clockid
`x0`	the return value

Then run svc #0 to enter the kernel.

Same syscall on other architectures