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
`g1`	455, the syscall number
`o0`	void *uaddr
`o1`	unsigned long val
`o2`	unsigned long mask
`o3`	unsigned int flags
`o4`	struct __kernel_timespec *timespec
`o5`	clockid_t clockid
`o0`	the return value

Then run t 0x6d to enter the kernel.

Same syscall on other architectures