virtual int ioctl(ThreadContext *tc, unsigned req, Addr buf)=0
Abstract method, invoked when the user program calls ioctl() on the file descriptor returned by a pre...
virtual int open(ThreadContext *tc, int mode, int flags)=0
Abstract method, invoked when the user program calls open() on the device driver.
virtual Addr mmap(ThreadContext *tc, Addr start, uint64_t length, int prot, int tgtFlags, int tgtFd, off_t offset)
Virtual method, invoked when the user program calls mmap() on the file descriptor returned by a previ...
ThreadContext is the external interface to all thread state for anything outside of the CPU.