Jamie Lokier wrote: ...
Interesting stuff ! > On noMMU, an alternative to using a vsyscall page is to put the > cmpxchg routine in userspace (in Glibc/uclibc), and tell the kernel > what addresses to check for, with a dedicated system call (just like > set_thread_area has a dedicated system call). The kernel will store > the address in per-task state. AFAIK, with NIOS2, on non-MMU designs, you can deactivate/activate the Interrupt in User space, so no problem here anyway. But I am planing for an MMU-enabled design. -Michael _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
